diff --git a/api/app/application/courses_repository.py b/api/app/application/courses_repository.py
index 0fd4494..69c9483 100644
--- a/api/app/application/courses_repository.py
+++ b/api/app/application/courses_repository.py
@@ -1,9 +1,10 @@
-from typing import List, Optional
+from typing import List, Optional, Sequence
 
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import selectinload
 
-from app.domain.models import Course
+from app.domain.models import Course, CourseTeacher, Enrollment
 
 
 class CoursesRepository:
@@ -11,14 +12,50 @@ class CoursesRepository:
         self.db = db
 
     async def get_all(self) -> List[Course]:
-        query = select(Course)
+        query = (
+            select(Course)
+            .options(
+                selectinload(Course.teachers),
+                selectinload(Course.enrollments)
+            )
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_all_for_teacher(self, user_id: int) -> Optional[Sequence[Course]]:
+        query = (
+            select(Course)
+            .options(
+                selectinload(Course.teachers),
+                selectinload(Course.enrollments)
+            )
+            .join(Course.teachers)
+            .filter(CourseTeacher.teacher_id == user_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_all_for_enrollment(self, user_id: int) -> Optional[Sequence[Course]]:
+        query = (
+            select(Course)
+            .options(
+                selectinload(Course.teachers),
+                selectinload(Course.enrollments)
+            )
+            .join(Course.enrollments)
+            .filter(Enrollment.student_id == user_id)
+        )
         result = await self.db.execute(query)
         return result.scalars().all()
 
     async def get_by_id(self, course_id: int) -> Optional[Course]:
         query = (
             select(Course)
-            .order_by(id=course_id)
+            .options(
+                selectinload(Course.teachers),
+                selectinload(Course.enrollments)
+            )
+            .filter_by(id=course_id)
         )
         result = await self.db.execute(query)
         return result.scalars().first()
diff --git a/api/app/application/lesson_files_repository.py b/api/app/application/lesson_files_repository.py
new file mode 100644
index 0000000..8891559
--- /dev/null
+++ b/api/app/application/lesson_files_repository.py
@@ -0,0 +1,38 @@
+from typing import Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import LessonFile
+
+
+class LessonFilesRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_id(self, file_id: int) -> Optional[LessonFile]:
+        query = (
+            select(LessonFile)
+            .filter_by(id=file_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def get_by_lesson_id(self, lesson_id: int) -> Optional[LessonFile]:
+        query = (
+            select(LessonFile)
+            .filter_by(lesson_id=lesson_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def create(self, lesson_file: LessonFile) -> LessonFile:
+        self.db.add(lesson_file)
+        await self.db.commit()
+        await self.db.refresh(lesson_file)
+        return lesson_file
+
+    async def delete(self, lesson_file: LessonFile) -> LessonFile:
+        await self.db.delete(lesson_file)
+        await self.db.commit()
+        return lesson_file
diff --git a/api/app/application/lessons_repository.py b/api/app/application/lessons_repository.py
new file mode 100644
index 0000000..5a87bb2
--- /dev/null
+++ b/api/app/application/lessons_repository.py
@@ -0,0 +1,45 @@
+from typing import List, Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import Lesson
+
+
+class LessonsRepository:
+    def __init__(self, db: AsyncSession) -> None:
+        self.db = db
+
+    async def get_all_by_course(self, course_id: int) -> List[Lesson]:
+        query = (
+            select(Lesson)
+            .filter_by(course_id=course_id)
+            .order_by(Lesson.number)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_by_id(self, lesson_id: int) -> Optional[Lesson]:
+        query = (
+            select(Lesson)
+            .filter_by(id=lesson_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def create(self, lesson: Lesson) -> Lesson:
+        self.db.add(lesson)
+        await self.db.commit()
+        await self.db.refresh(lesson)
+        return lesson
+
+    async def update(self, lesson: Lesson) -> Lesson:
+        await self.db.merge(lesson)
+        await self.db.commit()
+        await self.db.refresh(lesson)
+        return lesson
+
+    async def delete(self, lesson: Lesson) -> Lesson:
+        await self.db.delete(lesson)
+        await self.db.commit()
+        return lesson
diff --git a/api/app/application/solution_comments_repository.py b/api/app/application/solution_comments_repository.py
new file mode 100644
index 0000000..ad9d408
--- /dev/null
+++ b/api/app/application/solution_comments_repository.py
@@ -0,0 +1,39 @@
+from typing import Optional, List
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import SolutionComment
+
+
+class SolutionCommentsRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_id(self, comment_id: int) -> Optional[SolutionComment]:
+        query = (
+            select(SolutionComment)
+            .filter_by(id=comment_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def get_by_solution_id(self, solution_id: int) -> Optional[List[SolutionComment]]:
+        query = (
+            select(SolutionComment)
+            .filter_by(solution_id=solution_id)
+            .order_by(SolutionComment.created_at)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def create(self, comment: SolutionComment) -> SolutionComment:
+        self.db.add(comment)
+        await self.db.commit()
+        await self.db.refresh(comment)
+        return comment
+
+    async def delete(self, comment: SolutionComment) -> SolutionComment:
+        await self.db.delete(comment)
+        await self.db.commit()
+        return comment
diff --git a/api/app/application/solution_files_repository.py b/api/app/application/solution_files_repository.py
new file mode 100644
index 0000000..f62f26a
--- /dev/null
+++ b/api/app/application/solution_files_repository.py
@@ -0,0 +1,38 @@
+from typing import Optional, Sequence
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import SolutionFile
+
+
+class SolutionFilesRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_id(self, file_id: int) -> Optional[SolutionFile]:
+        query = (
+            select(SolutionFile)
+            .filter_by(id=file_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def get_by_solution_id(self, solution_id: int) -> Sequence[Optional[SolutionFile]]:
+        query = (
+            select(SolutionFile)
+            .filter_by(solution_id=solution_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def create(self, solution_file: SolutionFile) -> SolutionFile:
+        self.db.add(solution_file)
+        await self.db.commit()
+        await self.db.refresh(solution_file)
+        return solution_file
+
+    async def delete(self, solution_file: SolutionFile) -> SolutionFile:
+        await self.db.delete(solution_file)
+        await self.db.commit()
+        return solution_file
diff --git a/api/app/application/solutions_repository.py b/api/app/application/solutions_repository.py
new file mode 100644
index 0000000..c3f04ad
--- /dev/null
+++ b/api/app/application/solutions_repository.py
@@ -0,0 +1,76 @@
+from typing import Optional, List
+
+from sqlalchemy import select, func, distinct
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import selectinload
+
+from app.domain.models import Solution, Task
+
+
+class SolutionsRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_id(self, solution_id: int) -> Optional[Solution]:
+        query = (
+            select(Solution)
+            .filter_by(id=solution_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def get_completed_tasks_by_course_and_user(
+            self,
+            course_id: int,
+            user_id: int
+    ) -> List[int]:
+        query = (
+            select(distinct(Solution.task_id))
+            .join(Task, Solution.task_id == Task.id)
+            .where(
+                Solution.student_id == user_id,
+                Task.course_id == course_id
+            )
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_by_task_id(self, task_id: int) -> Optional[List[Solution]]:
+        query = (
+            select(Solution)
+            .filter_by(task_id=task_id)
+            .options(
+                selectinload(Solution.files),
+                selectinload(Solution.solution_comments),
+            )
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_by_task_id_and_student_id(self, task_id: int, student_id: int) -> Optional[List[Solution]]:
+        query = (
+            select(Solution)
+            .filter_by(task_id=task_id, student_id=student_id)
+            .options(
+                selectinload(Solution.files),
+                selectinload(Solution.solution_comments),
+            )
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def create(self, solution: Solution) -> Solution:
+        self.db.add(solution)
+        await self.db.commit()
+        await self.db.refresh(solution)
+        return solution
+
+    async def update(self, solution: Solution) -> Solution:
+        await self.db.merge(solution)
+        await self.db.commit()
+        return solution
+
+    async def delete(self, solution: Solution) -> Solution:
+        await self.db.delete(solution)
+        await self.db.commit()
+        return solution
diff --git a/api/app/application/task_files_repository.py b/api/app/application/task_files_repository.py
new file mode 100644
index 0000000..9028818
--- /dev/null
+++ b/api/app/application/task_files_repository.py
@@ -0,0 +1,38 @@
+from typing import Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import TaskFile
+
+
+class TaskFilesRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_id(self, file_id: int) -> Optional[TaskFile]:
+        query = (
+            select(TaskFile)
+            .filter_by(id=file_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def get_by_task_id(self, task_id: int) -> Optional[TaskFile]:
+        query = (
+            select(TaskFile)
+            .filter_by(task_id=task_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def create(self, task_file: TaskFile) -> TaskFile:
+        self.db.add(task_file)
+        await self.db.commit()
+        await self.db.refresh(task_file)
+        return task_file
+
+    async def delete(self, task_file: TaskFile) -> TaskFile:
+        await self.db.delete(task_file)
+        await self.db.commit()
+        return task_file
diff --git a/api/app/application/tasks_repository.py b/api/app/application/tasks_repository.py
new file mode 100644
index 0000000..caf8698
--- /dev/null
+++ b/api/app/application/tasks_repository.py
@@ -0,0 +1,45 @@
+from typing import List, Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import Task
+
+
+class TasksRepository:
+    def __init__(self, db: AsyncSession) -> None:
+        self.db = db
+
+    async def get_all_by_course(self, course_id: int) -> List[Task]:
+        query = (
+            select(Task)
+            .filter_by(course_id=course_id)
+            .order_by(Task.number)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_by_id(self, task_id: int) -> Optional[Task]:
+        query = (
+            select(Task)
+            .filter_by(id=task_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def create(self, task: Task) -> Task:
+        self.db.add(task)
+        await self.db.commit()
+        await self.db.refresh(task)
+        return task
+
+    async def update(self, task: Task) -> Task:
+        await self.db.merge(task)
+        await self.db.commit()
+        await self.db.refresh(task)
+        return task
+
+    async def delete(self, task: Task) -> Task:
+        await self.db.delete(task)
+        await self.db.commit()
+        return task
diff --git a/api/app/application/user_check_lessons_repository.py b/api/app/application/user_check_lessons_repository.py
new file mode 100644
index 0000000..edc027d
--- /dev/null
+++ b/api/app/application/user_check_lessons_repository.py
@@ -0,0 +1,36 @@
+from typing import Optional, List
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.domain.models import Lesson, UserCheckLessons
+
+
+class UserCheckLessonsRepository:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_by_course_id_and_user_id(self, course_id: int, user_id: int) -> Optional[List[UserCheckLessons]]:
+        query = (
+            select(UserCheckLessons)
+            .join(Lesson, UserCheckLessons.lesson_id == Lesson.id)  # связь с лекцией
+            .where(
+                Lesson.course_id == course_id,
+                UserCheckLessons.user_id == user_id
+            )
+        )
+        result = await self.db.execute(query)
+        return result.scalars().all()
+
+    async def get_by_user_id_and_lesson_id(self, user_id: int, lesson_id: int) -> Optional[UserCheckLessons]:
+        query = (
+            select(UserCheckLessons)
+            .filter_by(user_id=user_id, lesson_id=lesson_id)
+        )
+        result = await self.db.execute(query)
+        return result.scalars().first()
+
+    async def create(self, user_check_lessons: UserCheckLessons) -> UserCheckLessons:
+        self.db.add(user_check_lessons)
+        await self.db.commit()
+        return user_check_lessons
diff --git a/api/app/controllers/courses_router.py b/api/app/controllers/courses_router.py
index 8a416b6..49f55ea 100644
--- a/api/app/controllers/courses_router.py
+++ b/api/app/controllers/courses_router.py
@@ -5,12 +5,12 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.database.session import get_db
 from app.domain.entities.course_teachers import CourseTeacherRead, CourseTeacherCreate
-from app.domain.entities.courses import CourseRead, CourseCreate, CourseUpdate
+from app.domain.entities.courses import CourseRead, CourseCreate, CourseUpdate, CourseCreated
 from app.domain.entities.enrollments import EnrollmentRead, EnrollmentCreate
 from app.domain.models import User
 from app.infrastructure.course_teachers_service import CourseTeachersService
 from app.infrastructure.courses_service import CoursesService
-from app.infrastructure.dependencies import require_auth_user, require_teacher
+from app.infrastructure.dependencies import require_auth_user, require_teacher, require_admin
 from app.infrastructure.enrollments_service import EnrollmentsService
 
 courses_router = APIRouter()
@@ -24,15 +24,44 @@ courses_router = APIRouter()
 )
 async def get_all_courses(
         db: AsyncSession = Depends(get_db),
-        user: User = Depends(require_auth_user),
+        user: User = Depends(require_admin),
 ):
     courses_service = CoursesService(db)
     return await courses_service.get_all()
 
 
+@courses_router.get(
+    '/for-me/',
+    response_model=Optional[List[CourseRead]],
+    summary='Return all for current user',
+    description='Return all current user',
+)
+async def get_fors_for_teacher(
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    courses_service = CoursesService(db)
+    return await courses_service.get_all_for_me(user)
+
+
+@courses_router.get(
+    '/{course_id}/',
+    response_model=Optional[CourseRead],
+    summary='Return a specific course',
+    description='Return a specific course',
+)
+async def get_course(
+        course_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    courses_service = CoursesService(db)
+    return await courses_service.get_by_id(course_id)
+
+
 @courses_router.post(
     '/',
-    response_model=Optional[CourseRead],
+    response_model=Optional[CourseCreated],
     summary='Create a new course',
     description='Create a new course',
 )
diff --git a/api/app/controllers/lessons_router.py b/api/app/controllers/lessons_router.py
new file mode 100644
index 0000000..0562c65
--- /dev/null
+++ b/api/app/controllers/lessons_router.py
@@ -0,0 +1,151 @@
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, status, File, UploadFile
+from sqlalchemy.ext.asyncio import AsyncSession
+from starlette.responses import FileResponse
+
+from app.database.session import get_db
+from app.domain.entities.lesson_files import ReadLessonFile
+from app.domain.entities.lessons import LessonCreate, LessonUpdate, LessonRead
+from app.domain.models import User
+from app.infrastructure.dependencies import require_auth_user, require_teacher, require_admin
+from app.infrastructure.lesson_files_service import LessonFilesService
+from app.infrastructure.lessons_service import LessonsService
+
+lessons_router = APIRouter()
+
+
+@lessons_router.get(
+    '/course/{course_id}/',
+    response_model=Optional[List[LessonRead]],
+    summary='Get all lessons by course',
+    description='Get all lessons by course',
+)
+async def get_course_lessons(
+        course_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    lessons_service = LessonsService(db)
+    return await lessons_service.get_all_by_course(course_id)
+
+
+@lessons_router.get(
+    '/{lesson_id}/',
+    response_model=Optional[LessonRead],
+    summary='Get lesson by lesson ID',
+    description='Get lesson by lesson ID',
+)
+async def get_lesson(
+        lesson_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    lessons_service = LessonsService(db)
+    return await lessons_service.get_by_id(lesson_id)
+
+
+@lessons_router.post(
+    '/{course_id}/',
+    response_model=Optional[LessonRead],
+    summary='Create a new lesson',
+    description='Create a new lesson',
+)
+async def create_lesson(
+        course_id: int,
+        lesson_data: LessonCreate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    lessons_service = LessonsService(db)
+    return await lessons_service.create(lesson_data, current_user, course_id)
+
+
+@lessons_router.put(
+    '/{lesson_id}/',
+    response_model=Optional[LessonRead],
+    summary='Update a lesson',
+    description='Update a lesson',
+)
+async def update_lesson(
+        lesson_id: int,
+        lesson_data: LessonUpdate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    lessons_service = LessonsService(db)
+    return await lessons_service.update(lesson_id, lesson_data, current_user)
+
+
+@lessons_router.delete(
+    '/{lesson_id}/',
+    response_model=Optional[LessonRead],
+    summary='Delete a lesson',
+    description='Delete a lesson',
+)
+async def delete_lesson(
+        lesson_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    lessons_service = LessonsService(db)
+    return await lessons_service.delete(lesson_id, current_user)
+
+
+@lessons_router.get(
+    '/files/{lesson_id}/',
+    response_model=Optional[List[ReadLessonFile]],
+    summary='Get a files list by lesson ID',
+    description='Get a files list by lesson ID',
+)
+async def get_files(
+        lesson_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    lesson_files_service = LessonFilesService(db)
+    return await lesson_files_service.get_files_list_by_lesson(lesson_id)
+
+
+@lessons_router.get(
+    '/file/{file_id}/',
+    response_class=FileResponse,
+)
+async def get_file(
+        file_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    lesson_files_service = LessonFilesService(db)
+    return await lesson_files_service.get_file_by_id(file_id)
+
+
+@lessons_router.post(
+    '/files/{lesson_id}/upload/',
+    response_model=ReadLessonFile,
+    summary='Upload a file',
+    description='Upload a file',
+)
+async def upload_file(
+        lesson_id: int,
+        file: UploadFile = File(...),
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_teacher),
+):
+    lesson_files_service = LessonFilesService(db)
+    return await lesson_files_service.upload_file(lesson_id, file)
+
+
+@lessons_router.delete(
+    '/files/{file_id}/',
+    response_model=Optional[ReadLessonFile],
+    summary='Delete a file',
+    description='Delete a file',
+)
+async def delete_file(
+        file_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    lesson_files_service = LessonFilesService(db)
+    return await lesson_files_service.delete_file(file_id)
diff --git a/api/app/controllers/solution_comments_router.py b/api/app/controllers/solution_comments_router.py
new file mode 100644
index 0000000..7d2feb5
--- /dev/null
+++ b/api/app/controllers/solution_comments_router.py
@@ -0,0 +1,55 @@
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, status, Response
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.database.session import get_db
+from app.domain.entities.solutions import SolutionCommentRead, SolutionCommentCreate
+from app.domain.models import SolutionComment, User
+from app.infrastructure.dependencies import require_auth_user
+from app.infrastructure.solution_comments_service import SolutionCommentsService
+
+solution_comments_router = APIRouter()
+
+
+@solution_comments_router.get(
+    '/solution/{solution_id}/',
+    response_model=List[SolutionCommentRead],
+    summary='Returns all comments for solution',
+    description='Returns all comments for solution',
+)
+async def get_solution_comments(
+        solution_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    solution_comments_service = SolutionCommentsService(db)
+    return await solution_comments_service.get_by_solution_id(solution_id)
+
+@solution_comments_router.post(
+        '/solution/{solution_id}/',
+    response_model=SolutionCommentRead,
+    summary='Creates a new solution comment',
+    description='Creates a new solution comment',
+)
+async def create_solution_comment(
+        solution_id: int,
+        solution_comment: SolutionCommentCreate,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    solution_comments_service = SolutionCommentsService(db)
+    return await solution_comments_service.create(solution_comment, user, solution_id)
+
+@solution_comments_router.delete(
+    '/{comment_id}/',
+    summary='Deletes a solution comment',
+    description='Deletes a solution comment',
+)
+async def delete_solution_comment(
+        comment_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    solution_comments_service = SolutionCommentsService(db)
+    return await solution_comments_service.delete(comment_id)
diff --git a/api/app/controllers/solutions_router.py b/api/app/controllers/solutions_router.py
new file mode 100644
index 0000000..d1e1eb4
--- /dev/null
+++ b/api/app/controllers/solutions_router.py
@@ -0,0 +1,142 @@
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, HTTPException, status, Response, File, UploadFile
+from sqlalchemy.ext.asyncio import AsyncSession
+from starlette.responses import FileResponse
+
+from app.database.session import get_db
+from app.domain.entities.solution_files import ReadSolutionFile
+from app.domain.entities.solutions import SolutionCreate, SolutionRead, SolutionAfterCreate, AssessmentCreate
+from app.domain.models import User
+from app.infrastructure.dependencies import require_auth_user, require_teacher
+from app.infrastructure.solution_files_service import SolutionFilesService
+from app.infrastructure.solutions_service import SolutionsService
+
+solution_router = APIRouter()
+
+
+@solution_router.get(
+    '/task/{task_id}/',
+    response_model=List[SolutionRead],
+    summary='Get all solutions for task',
+    description='Get all solutions for task',
+)
+async def get_solutions_by_task(
+        task_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    service = SolutionsService(db)
+    solutions = await service.get_by_task_id(task_id)
+    return solutions
+
+
+@solution_router.get(
+    '/task/{task_id}/student/{student_id}/',
+    response_model=List[SolutionRead],
+    summary='Get all solutions for task',
+    description='Get all solutions for task',
+)
+async def get_solutions_by_task_and_student(
+        task_id: int,
+        student_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    service = SolutionsService(db)
+    solutions = await service.get_by_task_id_and_student_id(task_id, student_id)
+    return solutions
+
+
+@solution_router.post(
+    '/{task_id}/',
+    response_model=SolutionAfterCreate,
+    status_code=status.HTTP_201_CREATED,
+    summary='Send solution',
+    description='Send solution',
+)
+async def create_solution(
+        task_id: int,
+        solution_data: SolutionCreate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    service = SolutionsService(db)
+    return await service.create(solution_data, current_user, task_id)
+
+
+@solution_router.delete(
+    '/{solution_id}/',
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary='Delete my solution',
+    description='Delete my solution',
+)
+async def delete_solution(
+        solution_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    service = SolutionsService(db)
+    await service.delete(solution_id, current_user)
+    return Response(status_code=status.HTTP_204_NO_CONTENT)
+
+
+@solution_router.get(
+    '/file/{file_id}/',
+    response_class=FileResponse,
+)
+async def get_file(
+        file_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    task_files_service = SolutionFilesService(db)
+    return await task_files_service.get_file_by_id(file_id)
+
+
+@solution_router.get(
+    '/files/{solution_id}/',
+    response_model=Optional[List[ReadSolutionFile]],
+    summary='Get a files list by task ID',
+    description='Get a files list by task ID',
+)
+async def get_files(
+        solution_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    task_files_service = SolutionFilesService(db)
+    return await task_files_service.get_files_list_by_solution(solution_id)
+
+
+@solution_router.post(
+    '/files/{task_id}/upload/',
+    response_model=ReadSolutionFile,
+    summary='Upload a file',
+    description='Upload a file',
+)
+async def upload_file(
+        task_id: int,
+        file: UploadFile = File(...),
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    task_files_service = SolutionFilesService(db)
+    return await task_files_service.upload_file(task_id, file)
+
+
+@solution_router.post(
+    '/assessment/{solution_id}/',
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary='Set assessment for solution',
+    description='Set assessment for solution',
+)
+async def create_assessment(
+        solution_id: int,
+        assessment_data: AssessmentCreate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    solutions_service = SolutionsService(db)
+    await solutions_service.create_assessment(solution_id, assessment_data, current_user)
+    return Response(status_code=status.HTTP_204_NO_CONTENT)
diff --git a/api/app/controllers/tasks_router.py b/api/app/controllers/tasks_router.py
new file mode 100644
index 0000000..8a69320
--- /dev/null
+++ b/api/app/controllers/tasks_router.py
@@ -0,0 +1,151 @@
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, status, File, UploadFile
+from sqlalchemy.ext.asyncio import AsyncSession
+from starlette.responses import FileResponse
+
+from app.database.session import get_db
+from app.domain.entities.task_files import ReadTaskFile
+from app.domain.entities.tasks import TaskRead, TaskCreate
+from app.domain.models import User
+from app.infrastructure.dependencies import require_auth_user, require_teacher
+from app.infrastructure.task_files_service import TaskFilesService
+from app.infrastructure.tasks_service import TasksService
+
+tasks_router = APIRouter()
+
+
+@tasks_router.get(
+    '/course/{course_id}/',
+    response_model=Optional[List[TaskRead]],
+    summary='Get all tasks by course',
+    description='Get all tasks by course',
+)
+async def get_course_tasks(
+        course_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    tasks_service = TasksService(db)
+    return await tasks_service.get_all_by_course(course_id)
+
+
+@tasks_router.get(
+    '/{task_id}/',
+    response_model=Optional[TaskRead],
+    summary='Get task by task ID',
+    description='Get task by task ID',
+)
+async def get_task(
+        task_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    tasks_service = TasksService(db)
+    return await tasks_service.get_by_id(task_id)
+
+
+@tasks_router.post(
+    '/{course_id}/',
+    response_model=Optional[TaskRead],
+    summary='Create a new task',
+    description='Create a new task',
+)
+async def create_task(
+        course_id: int,
+        task_data: TaskCreate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    tasks_service = TasksService(db)
+    return await tasks_service.create(task_data, current_user, course_id)
+
+
+@tasks_router.put(
+    '/{task_id}/',
+    response_model=Optional[TaskRead],
+    summary='Update a task',
+    description='Update a task',
+)
+async def update_task(
+        task_id: int,
+        task_data: TaskCreate,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    tasks_service = TasksService(db)
+    return await tasks_service.update(task_id, task_data, current_user)
+
+
+@tasks_router.delete(
+    '/{task_id}/',
+    response_model=Optional[TaskRead],
+    summary='Delete a task',
+    description='Delete a task',
+)
+async def delete_task(
+        task_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    tasks_service = TasksService(db)
+    return await tasks_service.delete(task_id, current_user)
+
+
+@tasks_router.get(
+    '/files/{task_id}/',
+    response_model=Optional[List[ReadTaskFile]],
+    summary='Get a files list by task ID',
+    description='Get a files list by task ID',
+)
+async def get_files(
+        task_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    task_files_service = TaskFilesService(db)
+    return await task_files_service.get_files_list_by_task(task_id)
+
+
+@tasks_router.get(
+    '/file/{file_id}/',
+    response_class=FileResponse,
+)
+async def get_file(
+        file_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_auth_user),
+):
+    task_files_service = TaskFilesService(db)
+    return await task_files_service.get_file_by_id(file_id)
+
+
+@tasks_router.post(
+    '/files/{task_id}/upload/',
+    response_model=ReadTaskFile,
+    summary='Upload a file',
+    description='Upload a file',
+)
+async def upload_file(
+        task_id: int,
+        file: UploadFile = File(...),
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_teacher),
+):
+    task_files_service = TaskFilesService(db)
+    return await task_files_service.upload_file(task_id, file)
+
+
+@tasks_router.delete(
+    '/files/{file_id}/',
+    response_model=Optional[ReadTaskFile],
+    summary='Delete a file',
+    description='Delete a file',
+)
+async def delete_file(
+        file_id: int,
+        db: AsyncSession = Depends(get_db),
+        current_user: User = Depends(require_teacher),
+):
+    task_files_service = TaskFilesService(db)
+    return await task_files_service.delete_file(file_id)
diff --git a/api/app/controllers/users_router.py b/api/app/controllers/users_router.py
index dfa31ac..8b9a9ae 100644
--- a/api/app/controllers/users_router.py
+++ b/api/app/controllers/users_router.py
@@ -1,13 +1,14 @@
 from typing import List, Optional
 
-from fastapi import APIRouter, Depends, Response
+from fastapi import APIRouter, Depends, status, Response
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.database.session import get_db
-from app.domain.entities.users import UserRead, UserUpdate, PasswordChangeRequest, UserCreate
+from app.domain.entities.users import UserRead, UserUpdate, PasswordChangeRequest, UserCreate, UserCheckLessonRead
 from app.domain.models import User
 from app.infrastructure.dependencies import require_auth_user, require_admin
 from app.infrastructure.register_service import RegisterService
+from app.infrastructure.user_check_lessons_service import UserCheckLessonsService
 from app.infrastructure.users_service import UsersService
 
 users_router = APIRouter()
@@ -101,3 +102,47 @@ async def get_users_by_role_name(
 ):
     users_service = UsersService(db)
     return await users_service.get_by_role_name(role_name)
+
+
+@users_router.get(
+    '/check-my-lessons/{course_id}/',
+    response_model=Optional[List[UserCheckLessonRead]],
+    summary='Return all users with given lessons',
+    description='Return all users with given lessons',
+)
+async def get_all_users_in_lessons(
+        course_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user)
+):
+    user_check_lessons_service = UserCheckLessonsService(db)
+    return await user_check_lessons_service.get_by_course_id_and_user_id(course_id, user.id)
+
+
+@users_router.post(
+    '/check-lesson/{lesson_id}/',
+    status_code=status.HTTP_201_CREATED,
+    summary='Mark lesson as checked',
+    description='Mark lesson as checked',
+)
+async def mark_lesson_checked(
+        lesson_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user)
+):
+    user_check_lessons_service = UserCheckLessonsService(db)
+    await user_check_lessons_service.create(lesson_id, user.id)
+
+
+@users_router.get(
+    '/my-progress/{course_id}/',
+    summary='Return user progress',
+    description='Return user progress',
+)
+async def get_user_progress(
+        course_id: int,
+        db: AsyncSession = Depends(get_db),
+        user: User = Depends(require_auth_user),
+):
+    user_check_lessons_service = UserCheckLessonsService(db)
+    return await user_check_lessons_service.calculate_user_progress(course_id, user.id)
diff --git a/api/app/database/alembic/versions/33d77ac5ed79_0002_сделал_поле_с_фото_необязательным.py b/api/app/database/alembic/versions/33d77ac5ed79_0002_сделал_поле_с_фото_необязательным.py
new file mode 100644
index 0000000..a13123e
--- /dev/null
+++ b/api/app/database/alembic/versions/33d77ac5ed79_0002_сделал_поле_с_фото_необязательным.py
@@ -0,0 +1,106 @@
+"""0002 сделал поле с фото необязательным
+
+Revision ID: 33d77ac5ed79
+Revises: 6241a16321b4
+Create Date: 2025-11-28 19:23:15.655318
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '33d77ac5ed79'
+down_revision: Union[str, Sequence[str], None] = '6241a16321b4'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.drop_constraint(op.f('course_teachers_course_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.create_foreign_key(None, 'course_teachers', 'users', ['teacher_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'course_teachers', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.alter_column('courses', 'photo_filename',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.alter_column('courses', 'photo_path',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.drop_constraint(op.f('enrollments_student_id_fkey'), 'enrollments', type_='foreignkey')
+    op.drop_constraint(op.f('enrollments_course_id_fkey'), 'enrollments', type_='foreignkey')
+    op.create_foreign_key(None, 'enrollments', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'enrollments', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', type_='foreignkey')
+    op.create_foreign_key(None, 'lesson_files', 'lessons', ['lesson_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lessons_course_id_fkey'), 'lessons', type_='foreignkey')
+    op.drop_constraint(op.f('lessons_creator_id_fkey'), 'lessons', type_='foreignkey')
+    op.create_foreign_key(None, 'lessons', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'lessons', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solution_files_solution_id_fkey'), 'solution_files', type_='foreignkey')
+    op.create_foreign_key(None, 'solution_files', 'solutions', ['solution_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solutions_task_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_assessment_autor_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_student_id_fkey'), 'solutions', type_='foreignkey')
+    op.create_foreign_key(None, 'solutions', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'users', ['assessment_autor_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('task_files_task_id_fkey'), 'task_files', type_='foreignkey')
+    op.create_foreign_key(None, 'task_files', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('tasks_creator_id_fkey'), 'tasks', type_='foreignkey')
+    op.drop_constraint(op.f('tasks_course_id_fkey'), 'tasks', type_='foreignkey')
+    op.create_foreign_key(None, 'tasks', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'tasks', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('users_role_id_fkey'), 'users', type_='foreignkey')
+    op.drop_constraint(op.f('users_status_id_fkey'), 'users', type_='foreignkey')
+    op.create_foreign_key(None, 'users', 'statuses', ['status_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'users', 'roles', ['role_id'], ['id'], source_schema='public', referent_schema='public')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('users_status_id_fkey'), 'users', 'statuses', ['status_id'], ['id'])
+    op.create_foreign_key(op.f('users_role_id_fkey'), 'users', 'roles', ['role_id'], ['id'])
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('tasks_course_id_fkey'), 'tasks', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('tasks_creator_id_fkey'), 'tasks', 'users', ['creator_id'], ['id'])
+    op.drop_constraint(None, 'task_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('task_files_task_id_fkey'), 'task_files', 'tasks', ['task_id'], ['id'])
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solutions_student_id_fkey'), 'solutions', 'users', ['student_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_assessment_autor_id_fkey'), 'solutions', 'users', ['assessment_autor_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_task_id_fkey'), 'solutions', 'tasks', ['task_id'], ['id'])
+    op.drop_constraint(None, 'solution_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solution_files_solution_id_fkey'), 'solution_files', 'solutions', ['solution_id'], ['id'])
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lessons_creator_id_fkey'), 'lessons', 'users', ['creator_id'], ['id'])
+    op.create_foreign_key(op.f('lessons_course_id_fkey'), 'lessons', 'courses', ['course_id'], ['id'])
+    op.drop_constraint(None, 'lesson_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', 'lessons', ['lesson_id'], ['id'])
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('enrollments_course_id_fkey'), 'enrollments', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('enrollments_student_id_fkey'), 'enrollments', 'users', ['student_id'], ['id'])
+    op.alter_column('courses', 'photo_path',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('courses', 'photo_filename',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('course_teachers_course_id_fkey'), 'course_teachers', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', 'users', ['teacher_id'], ['id'])
+    # ### end Alembic commands ###
diff --git a/api/app/database/alembic/versions/5664875e4492_0004_добавил_таблицу_для_отслеживания_.py b/api/app/database/alembic/versions/5664875e4492_0004_добавил_таблицу_для_отслеживания_.py
new file mode 100644
index 0000000..60db064
--- /dev/null
+++ b/api/app/database/alembic/versions/5664875e4492_0004_добавил_таблицу_для_отслеживания_.py
@@ -0,0 +1,114 @@
+"""0004 добавил таблицу для отслеживания прохождения лекций
+
+Revision ID: 5664875e4492
+Revises: f8fd9a27eaa7
+Create Date: 2025-11-29 19:49:20.397877
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '5664875e4492'
+down_revision: Union[str, Sequence[str], None] = 'f8fd9a27eaa7'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('user_check_lessons',
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('lesson_id', sa.Integer(), nullable=False),
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.ForeignKeyConstraint(['lesson_id'], ['public.lessons.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['public.users.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    schema='public'
+    )
+    op.drop_constraint(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.drop_constraint(op.f('course_teachers_course_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.create_foreign_key(None, 'course_teachers', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'course_teachers', 'users', ['teacher_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('enrollments_student_id_fkey'), 'enrollments', type_='foreignkey')
+    op.drop_constraint(op.f('enrollments_course_id_fkey'), 'enrollments', type_='foreignkey')
+    op.create_foreign_key(None, 'enrollments', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'enrollments', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', type_='foreignkey')
+    op.create_foreign_key(None, 'lesson_files', 'lessons', ['lesson_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lessons_creator_id_fkey'), 'lessons', type_='foreignkey')
+    op.drop_constraint(op.f('lessons_course_id_fkey'), 'lessons', type_='foreignkey')
+    op.create_foreign_key(None, 'lessons', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'lessons', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solution_comments_solution_id_fkey'), 'solution_comments', type_='foreignkey')
+    op.drop_constraint(op.f('solution_comments_comment_autor_id_fkey'), 'solution_comments', type_='foreignkey')
+    op.create_foreign_key(None, 'solution_comments', 'solutions', ['solution_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solution_comments', 'users', ['comment_autor_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solution_files_solution_id_fkey'), 'solution_files', type_='foreignkey')
+    op.create_foreign_key(None, 'solution_files', 'solutions', ['solution_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solutions_task_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_assessment_autor_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_student_id_fkey'), 'solutions', type_='foreignkey')
+    op.create_foreign_key(None, 'solutions', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'users', ['assessment_autor_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('task_files_task_id_fkey'), 'task_files', type_='foreignkey')
+    op.create_foreign_key(None, 'task_files', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('tasks_course_id_fkey'), 'tasks', type_='foreignkey')
+    op.drop_constraint(op.f('tasks_creator_id_fkey'), 'tasks', type_='foreignkey')
+    op.create_foreign_key(None, 'tasks', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'tasks', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('users_role_id_fkey'), 'users', type_='foreignkey')
+    op.drop_constraint(op.f('users_status_id_fkey'), 'users', type_='foreignkey')
+    op.create_foreign_key(None, 'users', 'statuses', ['status_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'users', 'roles', ['role_id'], ['id'], source_schema='public', referent_schema='public')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('users_status_id_fkey'), 'users', 'statuses', ['status_id'], ['id'])
+    op.create_foreign_key(op.f('users_role_id_fkey'), 'users', 'roles', ['role_id'], ['id'])
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('tasks_creator_id_fkey'), 'tasks', 'users', ['creator_id'], ['id'])
+    op.create_foreign_key(op.f('tasks_course_id_fkey'), 'tasks', 'courses', ['course_id'], ['id'])
+    op.drop_constraint(None, 'task_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('task_files_task_id_fkey'), 'task_files', 'tasks', ['task_id'], ['id'])
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solutions_student_id_fkey'), 'solutions', 'users', ['student_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_assessment_autor_id_fkey'), 'solutions', 'users', ['assessment_autor_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_task_id_fkey'), 'solutions', 'tasks', ['task_id'], ['id'])
+    op.drop_constraint(None, 'solution_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solution_files_solution_id_fkey'), 'solution_files', 'solutions', ['solution_id'], ['id'])
+    op.drop_constraint(None, 'solution_comments', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solution_comments', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solution_comments_comment_autor_id_fkey'), 'solution_comments', 'users', ['comment_autor_id'], ['id'])
+    op.create_foreign_key(op.f('solution_comments_solution_id_fkey'), 'solution_comments', 'solutions', ['solution_id'], ['id'])
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lessons_course_id_fkey'), 'lessons', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('lessons_creator_id_fkey'), 'lessons', 'users', ['creator_id'], ['id'])
+    op.drop_constraint(None, 'lesson_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', 'lessons', ['lesson_id'], ['id'])
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('enrollments_course_id_fkey'), 'enrollments', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('enrollments_student_id_fkey'), 'enrollments', 'users', ['student_id'], ['id'])
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('course_teachers_course_id_fkey'), 'course_teachers', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', 'users', ['teacher_id'], ['id'])
+    op.drop_table('user_check_lessons', schema='public')
+    # ### end Alembic commands ###
diff --git a/api/app/database/alembic/versions/f8fd9a27eaa7_0003_добавил_таблицу_с_комментариями_к_.py b/api/app/database/alembic/versions/f8fd9a27eaa7_0003_добавил_таблицу_с_комментариями_к_.py
new file mode 100644
index 0000000..d6ba196
--- /dev/null
+++ b/api/app/database/alembic/versions/f8fd9a27eaa7_0003_добавил_таблицу_с_комментариями_к_.py
@@ -0,0 +1,107 @@
+"""0003 добавил таблицу с комментариями к решению
+
+Revision ID: f8fd9a27eaa7
+Revises: 33d77ac5ed79
+Create Date: 2025-11-29 16:43:22.620248
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'f8fd9a27eaa7'
+down_revision: Union[str, Sequence[str], None] = '33d77ac5ed79'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('solution_comments',
+    sa.Column('comment_text', sa.String(), nullable=False),
+    sa.Column('comment_autor_id', sa.Integer(), nullable=False),
+    sa.Column('solution_id', sa.Integer(), nullable=False),
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.ForeignKeyConstraint(['comment_autor_id'], ['public.users.id'], ),
+    sa.ForeignKeyConstraint(['solution_id'], ['public.solutions.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    schema='public'
+    )
+    op.drop_constraint(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.drop_constraint(op.f('course_teachers_course_id_fkey'), 'course_teachers', type_='foreignkey')
+    op.create_foreign_key(None, 'course_teachers', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'course_teachers', 'users', ['teacher_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('enrollments_student_id_fkey'), 'enrollments', type_='foreignkey')
+    op.drop_constraint(op.f('enrollments_course_id_fkey'), 'enrollments', type_='foreignkey')
+    op.create_foreign_key(None, 'enrollments', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'enrollments', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', type_='foreignkey')
+    op.create_foreign_key(None, 'lesson_files', 'lessons', ['lesson_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('lessons_creator_id_fkey'), 'lessons', type_='foreignkey')
+    op.drop_constraint(op.f('lessons_course_id_fkey'), 'lessons', type_='foreignkey')
+    op.create_foreign_key(None, 'lessons', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'lessons', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solution_files_solution_id_fkey'), 'solution_files', type_='foreignkey')
+    op.create_foreign_key(None, 'solution_files', 'solutions', ['solution_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('solutions_student_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_task_id_fkey'), 'solutions', type_='foreignkey')
+    op.drop_constraint(op.f('solutions_assessment_autor_id_fkey'), 'solutions', type_='foreignkey')
+    op.create_foreign_key(None, 'solutions', 'users', ['assessment_autor_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'solutions', 'users', ['student_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('task_files_task_id_fkey'), 'task_files', type_='foreignkey')
+    op.create_foreign_key(None, 'task_files', 'tasks', ['task_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('tasks_course_id_fkey'), 'tasks', type_='foreignkey')
+    op.drop_constraint(op.f('tasks_creator_id_fkey'), 'tasks', type_='foreignkey')
+    op.create_foreign_key(None, 'tasks', 'users', ['creator_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'tasks', 'courses', ['course_id'], ['id'], source_schema='public', referent_schema='public')
+    op.drop_constraint(op.f('users_role_id_fkey'), 'users', type_='foreignkey')
+    op.drop_constraint(op.f('users_status_id_fkey'), 'users', type_='foreignkey')
+    op.create_foreign_key(None, 'users', 'roles', ['role_id'], ['id'], source_schema='public', referent_schema='public')
+    op.create_foreign_key(None, 'users', 'statuses', ['status_id'], ['id'], source_schema='public', referent_schema='public')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'users', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('users_status_id_fkey'), 'users', 'statuses', ['status_id'], ['id'])
+    op.create_foreign_key(op.f('users_role_id_fkey'), 'users', 'roles', ['role_id'], ['id'])
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'tasks', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('tasks_creator_id_fkey'), 'tasks', 'users', ['creator_id'], ['id'])
+    op.create_foreign_key(op.f('tasks_course_id_fkey'), 'tasks', 'courses', ['course_id'], ['id'])
+    op.drop_constraint(None, 'task_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('task_files_task_id_fkey'), 'task_files', 'tasks', ['task_id'], ['id'])
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'solutions', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solutions_assessment_autor_id_fkey'), 'solutions', 'users', ['assessment_autor_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_task_id_fkey'), 'solutions', 'tasks', ['task_id'], ['id'])
+    op.create_foreign_key(op.f('solutions_student_id_fkey'), 'solutions', 'users', ['student_id'], ['id'])
+    op.drop_constraint(None, 'solution_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('solution_files_solution_id_fkey'), 'solution_files', 'solutions', ['solution_id'], ['id'])
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'lessons', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lessons_course_id_fkey'), 'lessons', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('lessons_creator_id_fkey'), 'lessons', 'users', ['creator_id'], ['id'])
+    op.drop_constraint(None, 'lesson_files', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('lesson_files_lesson_id_fkey'), 'lesson_files', 'lessons', ['lesson_id'], ['id'])
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'enrollments', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('enrollments_course_id_fkey'), 'enrollments', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('enrollments_student_id_fkey'), 'enrollments', 'users', ['student_id'], ['id'])
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.drop_constraint(None, 'course_teachers', schema='public', type_='foreignkey')
+    op.create_foreign_key(op.f('course_teachers_course_id_fkey'), 'course_teachers', 'courses', ['course_id'], ['id'])
+    op.create_foreign_key(op.f('course_teachers_teacher_id_fkey'), 'course_teachers', 'users', ['teacher_id'], ['id'])
+    op.drop_table('solution_comments', schema='public')
+    # ### end Alembic commands ###
diff --git a/api/app/domain/entities/course_teachers.py b/api/app/domain/entities/course_teachers.py
index 17cfeee..e2e9c6d 100644
--- a/api/app/domain/entities/course_teachers.py
+++ b/api/app/domain/entities/course_teachers.py
@@ -2,7 +2,6 @@ from pydantic import BaseModel, EmailStr, Field
 
 
 class CourseTeacherCreate(BaseModel):
-    course_id: int = Field()
     teacher_id: int = Field()
 
 
diff --git a/api/app/domain/entities/courses.py b/api/app/domain/entities/courses.py
index 47934f9..477a778 100644
--- a/api/app/domain/entities/courses.py
+++ b/api/app/domain/entities/courses.py
@@ -6,6 +6,17 @@ from app.domain.entities.course_teachers import CourseTeacherRead
 from app.domain.entities.enrollments import EnrollmentRead
 
 
+class CourseBase(BaseModel):
+    id: int
+    title: str
+    description: Optional[str] = None
+    photo_filename: Optional[str] = None
+    photo_path: Optional[str] = None
+
+    class Config:
+        from_attributes = True
+
+
 class CourseCreate(BaseModel):
     title: str = Field(max_length=250)
     description: Optional[str] = Field(default=None, max_length=1000)
@@ -15,13 +26,14 @@ class CourseUpdate(CourseCreate):
     pass
 
 
-class CourseRead(BaseModel):
-    id: int
-    title: str
-    description: str
-
-    teachers: List[CourseTeacherRead]
-    enrollments: List[EnrollmentRead]
+class CourseRead(CourseBase):
+    teachers: List[CourseTeacherRead] = []
+    enrollments: List[EnrollmentRead] = []
 
     class Config:
         from_attributes = True
+
+
+class CourseCreated(CourseBase):
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/enrollments.py b/api/app/domain/entities/enrollments.py
index 343ba20..ded455e 100644
--- a/api/app/domain/entities/enrollments.py
+++ b/api/app/domain/entities/enrollments.py
@@ -1,10 +1,10 @@
 from datetime import datetime
+from typing import Optional
 
 from pydantic import BaseModel, EmailStr, Field
 
 
 class EnrollmentCreate(BaseModel):
-    course_id: int = Field()
     student_id: int = Field()
 
 
@@ -12,7 +12,7 @@ class EnrollmentRead(BaseModel):
     id: int
     course_id: int
     student_id: int
-    enrollment_date: datetime
+    enrollment_date: Optional[datetime] = None
 
     class Config:
         from_attributes = True
diff --git a/api/app/domain/entities/lesson_files.py b/api/app/domain/entities/lesson_files.py
new file mode 100644
index 0000000..e563be4
--- /dev/null
+++ b/api/app/domain/entities/lesson_files.py
@@ -0,0 +1,11 @@
+from pydantic import BaseModel
+
+
+class ReadLessonFile(BaseModel):
+    id: int
+    filename: str
+    file_path: str
+    lesson_id: int
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/lessons.py b/api/app/domain/entities/lessons.py
new file mode 100644
index 0000000..fe5de9f
--- /dev/null
+++ b/api/app/domain/entities/lessons.py
@@ -0,0 +1,33 @@
+from typing import Optional
+from pydantic import BaseModel, Field
+
+from app.domain.entities.users import UserRead
+
+
+class LessonBase(BaseModel):
+    title: str = Field(..., max_length=250)
+    description: Optional[str] = None
+    text: Optional[str] = None
+    number: int = Field(..., ge=1)
+
+
+class LessonCreate(LessonBase):
+    pass
+
+
+class LessonUpdate(BaseModel):
+    title: Optional[str] = Field(None, max_length=250)
+    description: Optional[str] = None
+    text: Optional[str] = None
+    number: Optional[int] = Field(None, ge=1)
+
+
+class LessonRead(LessonBase):
+    id: int
+    course_id: int
+    creator_id: int
+
+    creator: UserRead
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/solution_files.py b/api/app/domain/entities/solution_files.py
new file mode 100644
index 0000000..a311028
--- /dev/null
+++ b/api/app/domain/entities/solution_files.py
@@ -0,0 +1,11 @@
+from pydantic import BaseModel
+
+
+class ReadSolutionFile(BaseModel):
+    id: int
+    filename: str
+    file_path: str
+    solution_id: int
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/solutions.py b/api/app/domain/entities/solutions.py
new file mode 100644
index 0000000..e85e7e0
--- /dev/null
+++ b/api/app/domain/entities/solutions.py
@@ -0,0 +1,59 @@
+from datetime import datetime
+from typing import Optional, List
+from pydantic import BaseModel, Field
+
+from app.domain.entities.solution_files import ReadSolutionFile
+from app.domain.entities.users import UserRead
+
+
+class SolutionBase(BaseModel):
+    answer_text: str = Field(...)
+    assessment: Optional[int] = Field(default=None)
+
+
+class SolutionCreate(SolutionBase):
+    pass
+
+
+class SolutionAfterCreate(SolutionBase):
+    id: int
+
+    assessment_autor_id: Optional[int] = None
+    assessment_autor: Optional[UserRead] = None
+    student_id: int
+    task_id: int = Field(...)
+
+    class Config:
+        from_attributes = True
+
+
+class AssessmentCreate(BaseModel):
+    assessment: int = Field(...)
+
+
+class SolutionCommentBase(BaseModel):
+    comment_text: str = Field(...)
+
+
+class SolutionCommentCreate(SolutionCommentBase):
+    pass
+
+
+class SolutionCommentRead(SolutionCommentBase):
+    comment_autor_id: int
+    solution_id: int
+
+    comment_autor: UserRead
+
+    class Config:
+        from_attributes = True
+
+
+class SolutionRead(SolutionAfterCreate):
+    created_at: datetime
+
+    files: Optional[List[ReadSolutionFile]] = []
+    solution_comments: Optional[List[SolutionCommentRead]] = []
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/task_files.py b/api/app/domain/entities/task_files.py
new file mode 100644
index 0000000..5102024
--- /dev/null
+++ b/api/app/domain/entities/task_files.py
@@ -0,0 +1,11 @@
+from pydantic import BaseModel
+
+
+class ReadTaskFile(BaseModel):
+    id: int
+    filename: str
+    file_path: str
+    task_id: int
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/tasks.py b/api/app/domain/entities/tasks.py
new file mode 100644
index 0000000..64da1f5
--- /dev/null
+++ b/api/app/domain/entities/tasks.py
@@ -0,0 +1,30 @@
+from typing import Optional
+from pydantic import BaseModel, Field
+
+from app.domain.entities.users import UserRead
+
+
+class TaskBase(BaseModel):
+    title: str = Field(..., max_length=250)
+    description: Optional[str] = None
+    text: Optional[str] = None
+    number: int = Field(..., ge=1)
+
+
+class TaskCreate(TaskBase):
+    pass
+
+
+class TaskUpdate(TaskBase):
+    pass
+
+
+class TaskRead(TaskBase):
+    id: int
+    course_id: int
+    creator_id: int
+
+    creator: UserRead
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/entities/users.py b/api/app/domain/entities/users.py
index 5e5d910..8242e94 100644
--- a/api/app/domain/entities/users.py
+++ b/api/app/domain/entities/users.py
@@ -62,3 +62,19 @@ class UserRead(BaseModel):
 
     class Config:
         from_attributes = True
+
+
+class UserCheckLessonBase(BaseModel):
+    lesson_id: int
+    user_id: int
+
+
+class UserCheckLessonCreate(UserCheckLessonBase):
+    pass
+
+
+class UserCheckLessonRead(UserCheckLessonBase):
+    id: int
+
+    class Config:
+        from_attributes = True
diff --git a/api/app/domain/models/__init__.py b/api/app/domain/models/__init__.py
index 9fc41d2..6880dbd 100644
--- a/api/app/domain/models/__init__.py
+++ b/api/app/domain/models/__init__.py
@@ -15,9 +15,11 @@ from app.domain.models.enrollments import Enrollment
 from app.domain.models.lesson_files import LessonFile
 from app.domain.models.lessons import Lesson
 from app.domain.models.roles import Role
+from app.domain.models.solution_comments import SolutionComment
 from app.domain.models.solution_files import SolutionFile
 from app.domain.models.solutions import Solution
 from app.domain.models.statuses import Status
 from app.domain.models.task_files import TaskFile
 from app.domain.models.tasks import Task
+from app.domain.models.user_check_lessons import UserCheckLessons
 from app.domain.models.users import User
diff --git a/api/app/domain/models/base.py b/api/app/domain/models/base.py
index 33b76b9..dea194c 100644
--- a/api/app/domain/models/base.py
+++ b/api/app/domain/models/base.py
@@ -17,8 +17,8 @@ class RootTable(Base):
 class PhotoAbstract(RootTable):
     __abstract__ = True
 
-    photo_filename: Mapped[str] = mapped_column()
-    photo_path: Mapped[str] = mapped_column()
+    photo_filename: Mapped[str] = mapped_column(nullable=True)
+    photo_path: Mapped[str] = mapped_column(nullable=True)
 
 
 class FileAbstract(RootTable):
diff --git a/api/app/domain/models/enrollments.py b/api/app/domain/models/enrollments.py
index 9eb8393..1609a04 100644
--- a/api/app/domain/models/enrollments.py
+++ b/api/app/domain/models/enrollments.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 
-from sqlalchemy import ForeignKey
+from sqlalchemy import ForeignKey, func
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.domain.models.base import RootTable
diff --git a/api/app/domain/models/lessons.py b/api/app/domain/models/lessons.py
index 2393bb1..fb7ca89 100644
--- a/api/app/domain/models/lessons.py
+++ b/api/app/domain/models/lessons.py
@@ -18,6 +18,7 @@ class Lesson(RootTable):
     creator_id: Mapped[int] = mapped_column(ForeignKey('users.id'), nullable=False)
 
     course: Mapped['Course'] = relationship('Course', back_populates='lessons')
-    creator: Mapped['User'] = relationship('User', back_populates='created_lessons')
+    creator: Mapped['User'] = relationship('User', back_populates='created_lessons', lazy='joined')
 
     files: Mapped[List['LessonFile']] = relationship('LessonFile', back_populates='lesson')
+    user_check_lessons: Mapped[List['UserCheckLessons']] = relationship('UserCheckLessons', back_populates='lesson')
diff --git a/api/app/domain/models/solution_comments.py b/api/app/domain/models/solution_comments.py
new file mode 100644
index 0000000..377cd9f
--- /dev/null
+++ b/api/app/domain/models/solution_comments.py
@@ -0,0 +1,16 @@
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.domain.models.base import RootTable
+
+
+class SolutionComment(RootTable):
+    __tablename__ = 'solution_comments'
+
+    comment_text: Mapped[str] = mapped_column(nullable=False)
+
+    comment_autor_id: Mapped[int] = mapped_column(ForeignKey('users.id'), nullable=False)
+    solution_id: Mapped[int] = mapped_column(ForeignKey('solutions.id'), nullable=False)
+
+    comment_autor: Mapped['User'] = relationship('User', back_populates='solution_comments', lazy='joined')
+    solution: Mapped['Solution'] = relationship('Solution', back_populates='solution_comments')
\ No newline at end of file
diff --git a/api/app/domain/models/solutions.py b/api/app/domain/models/solutions.py
index 6dbafe8..85f44f6 100644
--- a/api/app/domain/models/solutions.py
+++ b/api/app/domain/models/solutions.py
@@ -10,14 +10,18 @@ class Solution(RootTable):
     __tablename__ = 'solutions'
 
     answer_text: Mapped[str] = mapped_column(nullable=True)
-    assessment_text: Mapped[str] = mapped_column(String(50), nullable=True)
+    assessment: Mapped[int] = mapped_column(nullable=True)
 
     assessment_autor_id: Mapped[int] = mapped_column(ForeignKey('users.id'), nullable=True)
     task_id: Mapped[int] = mapped_column(ForeignKey('tasks.id'), nullable=False)
     student_id: Mapped[int] = mapped_column(ForeignKey('users.id'), nullable=False)
 
     assessment_autor: Mapped['User'] = relationship('User', back_populates='assessments',
-                                                    foreign_keys=[assessment_autor_id])
+                                                    foreign_keys=[assessment_autor_id], lazy='joined')
     student: Mapped['User'] = relationship('User', back_populates='my_solutions', foreign_keys=[student_id])
 
     files: Mapped[List['SolutionFile']] = relationship('SolutionFile', back_populates='solution')
+    solution_comments: Mapped[List['SolutionComment']] = relationship(
+        'SolutionComment',
+        back_populates='solution',
+    )
diff --git a/api/app/domain/models/tasks.py b/api/app/domain/models/tasks.py
index 7f1446d..cefca2c 100644
--- a/api/app/domain/models/tasks.py
+++ b/api/app/domain/models/tasks.py
@@ -18,6 +18,6 @@ class Task(RootTable):
     creator_id: Mapped[int] = mapped_column(ForeignKey('users.id'), nullable=False)
 
     course: Mapped['Course'] = relationship('Course', back_populates='tasks')
-    creator: Mapped['User'] = relationship('User', back_populates='created_tasks')
+    creator: Mapped['User'] = relationship('User', back_populates='created_tasks', lazy='joined')
 
     files: Mapped[List['TaskFile']] = relationship('TaskFile', back_populates='task')
diff --git a/api/app/domain/models/user_check_lessons.py b/api/app/domain/models/user_check_lessons.py
new file mode 100644
index 0000000..5505195
--- /dev/null
+++ b/api/app/domain/models/user_check_lessons.py
@@ -0,0 +1,14 @@
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.domain.models.base import RootTable
+
+
+class UserCheckLessons(RootTable):
+    __tablename__ = 'user_check_lessons'
+
+    user_id: Mapped[int] = mapped_column(ForeignKey('users.id'))
+    lesson_id: Mapped[int] = mapped_column(ForeignKey('lessons.id'))
+
+    user: Mapped['User'] = relationship('User', back_populates='user_check_lessons')
+    lesson: Mapped['Lesson'] = relationship('Lesson', back_populates='user_check_lessons')
diff --git a/api/app/domain/models/users.py b/api/app/domain/models/users.py
index d80214c..464e3a0 100644
--- a/api/app/domain/models/users.py
+++ b/api/app/domain/models/users.py
@@ -46,6 +46,16 @@ class User(PhotoAbstract):
         back_populates='student',
         foreign_keys=[Solution.student_id],
     )
+    from app.domain.models.solution_comments import SolutionComment
+    solution_comments: Mapped[List['SolutionComment']] = relationship(
+        'SolutionComment',
+        back_populates='comment_autor',
+    )
+    from app.domain.models.user_check_lessons import UserCheckLessons
+    user_check_lessons: Mapped[List['UserCheckLessons']] = relationship(
+        'UserCheckLessons',
+        back_populates='user',
+    )
 
     def check_password(self, password):
         return check_password_hash(self.password_hash, password)
diff --git a/api/app/infrastructure/courses_service.py b/api/app/infrastructure/courses_service.py
index db7fffd..dff2e92 100644
--- a/api/app/infrastructure/courses_service.py
+++ b/api/app/infrastructure/courses_service.py
@@ -4,13 +4,16 @@ from fastapi import HTTPException, status
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.application.courses_repository import CoursesRepository
-from app.domain.entities.courses import CourseRead, CourseCreate
-from app.domain.models import Course
+from app.core.constants import UserRoles
+from app.domain.entities.courses import CourseRead, CourseCreate, CourseCreated
+from app.domain.models import Course, User
+from app.settings import Settings
 
 
 class CoursesService:
     def __init__(self, db: AsyncSession):
         self.courses_repository = CoursesRepository(db)
+        self.settings = Settings()
 
     async def get_all(self) -> List[CourseRead]:
         courses = await self.courses_repository.get_all()
@@ -22,7 +25,35 @@ class CoursesService:
 
         return response
 
-    async def create(self, course: CourseCreate) -> Optional[CourseRead]:
+    async def get_all_for_me(self, user: User) -> Optional[List[CourseRead]]:
+        if user.role.title == self.settings.root_role_name:
+            courses = await self.courses_repository.get_all()
+
+        elif user.role.title == UserRoles.TEACHER:
+            courses = await self.courses_repository.get_all_for_teacher(user.id)
+
+        elif user.role.title == UserRoles.STUDENT:
+            courses = await self.courses_repository.get_all_for_enrollment(user.id)
+
+        else:
+            courses = []
+
+        response = []
+        for course in courses:
+            response.append(
+                CourseRead.model_validate(course)
+            )
+
+        return response
+
+    async def get_by_id(self, course_id: int) -> Optional[CourseRead]:
+        course = await self.courses_repository.get_by_id(course_id)
+        if course is None:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail='Курс с таким Id не найден')
+
+        return CourseRead.model_validate(course)
+
+    async def create(self, course: CourseCreate) -> CourseCreated:  # ← возвращаем CourseCreated
         course_model = Course(
             title=course.title,
             description=course.description,
@@ -30,7 +61,7 @@ class CoursesService:
 
         course_model = await self.courses_repository.create(course_model)
 
-        return CourseRead.model_validate(course_model)
+        return CourseCreated.model_validate(course_model)
 
     async def update(self, course_id: int, course: CourseCreate) -> Optional[CourseRead]:
         course_model = await self.courses_repository.get_by_id(course_id)
diff --git a/api/app/infrastructure/enrollments_service.py b/api/app/infrastructure/enrollments_service.py
index a835f42..981ddf4 100644
--- a/api/app/infrastructure/enrollments_service.py
+++ b/api/app/infrastructure/enrollments_service.py
@@ -1,3 +1,4 @@
+import datetime
 from typing import Optional, List
 from fastapi import HTTPException, status
 
@@ -52,7 +53,7 @@ class EnrollmentsService:
             enrollments_models.append(Enrollment(
                 course_id=course_id,
                 student_id=enrollment.student_id,
-                enrollment_date=enrollment.enrollment_date,
+                enrollment_date=datetime.datetime.now(),
             ))
 
         enrollments_models = await self.enrollments_repository.create_list(enrollments_models)
diff --git a/api/app/infrastructure/lesson_files_service.py b/api/app/infrastructure/lesson_files_service.py
new file mode 100644
index 0000000..2069ed2
--- /dev/null
+++ b/api/app/infrastructure/lesson_files_service.py
@@ -0,0 +1,118 @@
+import os
+import uuid
+from typing import List
+
+import aiofiles
+from fastapi import UploadFile, HTTPException
+from starlette.responses import FileResponse
+from sqlalchemy.ext.asyncio import AsyncSession
+from werkzeug.utils import secure_filename
+
+from app.application.lesson_files_repository import LessonFilesRepository
+from app.application.lessons_repository import LessonsRepository
+from app.domain.entities.lesson_files import ReadLessonFile
+from app.domain.models import LessonFile
+
+
+class LessonFilesService:
+    def __init__(self, db: AsyncSession):
+        self.lesson_files_repository = LessonFilesRepository(db)
+        self.lessons_repository = LessonsRepository(db)
+
+    async def get_file_by_id(self, file_id: int) -> FileResponse:
+        lesson_file = await self.lesson_files_repository.get_by_id(file_id)
+
+        if not lesson_file:
+            raise HTTPException(404, "Файл с таким ID не найден")
+
+        return FileResponse(
+            lesson_file.file_path,
+            media_type=self.get_media_type(lesson_file.filename),
+            filename=os.path.basename(lesson_file.filename),
+        )
+
+    async def get_files_list_by_lesson(self, lesson_id: int) -> List[ReadLessonFile]:
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+
+        if lesson is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        lesson_files = await self.lesson_files_repository.get_by_lesson_id(lesson_id)
+
+        response = []
+        for lesson_file in lesson_files:
+            response.append(
+                ReadLessonFile.model_validate(
+                    lesson_file
+                )
+            )
+
+        return response
+
+    async def upload_file(self, lesson_id: int, file: UploadFile) -> ReadLessonFile:
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+
+        if lesson is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        file_path = await self.save_file(file, f'uploads/lessons/{lesson.id}')
+
+        lesson_file_model = LessonFile(
+            filename=file.filename,
+            file_path=file_path,
+            lesson_id=lesson.id,
+        )
+
+        lesson_file_model = await self.lesson_files_repository.create(lesson_file_model)
+
+        return ReadLessonFile.model_validate(lesson_file_model)
+
+    async def delete_file(self, file_id: int) -> ReadLessonFile:
+        lesson_file = await self.lesson_files_repository.get_by_id(file_id)
+
+        if lesson_file is None:
+            raise HTTPException(404, "Файл не найден")
+
+        if not os.path.exists(lesson_file.file_path):
+            raise HTTPException(404, "Файл не найден на диске")
+
+        if os.path.exists(lesson_file.file_path):
+            os.remove(lesson_file.file_path)
+
+        lesson_file = await self.lesson_files_repository.delete(lesson_file)
+
+        return ReadLessonFile.model_validate(lesson_file)
+
+    async def save_file(self, file: UploadFile, upload_dir: str = 'uploads/lessons') -> str:
+        os.makedirs(upload_dir, exist_ok=True)
+        filename = self.generate_filename(file)
+        file_path = os.path.join(upload_dir, filename)
+
+        async with aiofiles.open(file_path, 'wb') as out_file:
+            content = await file.read()
+            await out_file.write(content)
+        return file_path
+
+    @staticmethod
+    def generate_filename(file: UploadFile) -> str:
+        return secure_filename(f"{uuid.uuid4()}_{file.filename}")
+
+    @staticmethod
+    def get_media_type(filename: str) -> str:
+        extension = filename.split('.')[-1].lower()
+        if extension in ['jpeg', 'jpg', 'png']:
+            return f"image/{extension}"
+        if extension == 'pdf':
+            return "application/pdf"
+        if extension in ['zip']:
+            return "application/zip"
+        if extension in ['doc', 'docx']:
+            return "application/msword"
+        if extension in ['xls', 'xlsx']:
+            return "application/vnd.ms-excel"
+        if extension in ['ppt', 'pptx']:
+            return "application/vnd.ms-powerpoint"
+        if extension in ['txt']:
+            return "text/plain"
+
+        return "application/octet-stream"
diff --git a/api/app/infrastructure/lessons_service.py b/api/app/infrastructure/lessons_service.py
new file mode 100644
index 0000000..b8e47f8
--- /dev/null
+++ b/api/app/infrastructure/lessons_service.py
@@ -0,0 +1,114 @@
+import os
+
+from fastapi import HTTPException, status
+from typing import List, Optional
+
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.application.courses_repository import CoursesRepository
+from app.application.lesson_files_repository import LessonFilesRepository
+from app.application.lessons_repository import LessonsRepository
+from app.domain.entities.lessons import LessonCreate, LessonUpdate, LessonRead
+from app.domain.models import Lesson, User
+from app.infrastructure.lesson_files_service import LessonFilesService
+from app.settings import Settings
+
+
+class LessonsService:
+    def __init__(self, db: AsyncSession):
+        self.lessons_repository = LessonsRepository(db)
+        self.courses_repository = CoursesRepository(db)
+        self.lesson_files_repository = LessonFilesRepository(db)
+        self.settings = Settings()
+
+    async def get_all_by_course(self, course_id: int) -> List[LessonRead]:
+        lessons = await self.lessons_repository.get_all_by_course(course_id)
+        response = []
+
+        for lesson in lessons:
+            response.append(LessonRead.model_validate(lesson))
+
+        return response
+
+    async def get_by_id(self, lesson_id: int) -> LessonRead:
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+        if not lesson:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Урок не найден"
+            )
+        return LessonRead.model_validate(lesson)
+
+    async def create(self, lesson_data: LessonCreate, creator: User, course_id) -> LessonRead:
+        course_model = await self.courses_repository.get_by_id(course_id)
+        if not course_model:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Курс не найден"
+            )
+
+        lesson = Lesson(
+            title=lesson_data.title,
+            description=lesson_data.description,
+            text=lesson_data.text,
+            number=lesson_data.number,
+            course_id=course_id,
+            creator_id=creator.id
+        )
+
+        created_lesson = await self.lessons_repository.create(lesson)
+        return LessonRead.model_validate(created_lesson)
+
+    async def update(self, lesson_id: int, lesson_data: LessonUpdate, current_user: User) -> Optional[LessonRead]:
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+        if not lesson:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Урок не найден"
+            )
+
+        is_admin = current_user.role.title == self.settings.root_role_name
+        if lesson.creator_id != current_user.id and not is_admin:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Доступ запрещён"
+            )
+
+        update_dict = lesson_data.dict(exclude_unset=True)
+        for key, value in update_dict.items():
+            setattr(lesson, key, value)
+
+        updated_lesson = await self.lessons_repository.update(lesson)
+        return LessonRead.model_validate(updated_lesson)
+
+    async def delete(self, lesson_id: int, current_user: User) -> None:
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+        if not lesson:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Урок не найден"
+            )
+
+        is_admin = current_user.role.title == self.settings.root_role_name
+        if lesson.creator_id != current_user.id and not is_admin:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Доступ запрещён"
+            )
+
+        lesson_files = await self.lesson_files_repository.get_by_lesson_id(lesson_id)
+        for file in lesson_files:
+            lesson_file = await self.lesson_files_repository.get_by_id(file.id)
+
+            if lesson_file is None:
+                raise HTTPException(404, "Файл не найден")
+
+            if not os.path.exists(lesson_file.file_path):
+                raise HTTPException(404, "Файл не найден на диске")
+
+            if os.path.exists(lesson_file.file_path):
+                os.remove(lesson_file.file_path)
+
+            await self.lesson_files_repository.delete(lesson_file)
+
+        await self.lessons_repository.delete(lesson)
diff --git a/api/app/infrastructure/solution_comments_service.py b/api/app/infrastructure/solution_comments_service.py
new file mode 100644
index 0000000..85fb08f
--- /dev/null
+++ b/api/app/infrastructure/solution_comments_service.py
@@ -0,0 +1,75 @@
+from http.client import HTTPException
+from typing import Optional, List
+
+from fastapi import HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.application.solution_comments_repository import SolutionCommentsRepository
+from app.application.solutions_repository import SolutionsRepository
+from app.domain.entities.solutions import SolutionCommentRead, SolutionCommentCreate
+from app.domain.models import User, SolutionComment
+
+
+class SolutionCommentsService:
+    def __init__(self, db: AsyncSession):
+        self.solution_comments_repository = SolutionCommentsRepository(db)
+        self.solutions_repository = SolutionsRepository(db)
+
+    async def get_by_id(self, comment_id) -> Optional[SolutionCommentRead]:
+        comment_model = await self.solution_comments_repository.get_by_id(comment_id)
+
+        if comment_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Комментарий не найден"
+            )
+
+        return SolutionCommentRead.model_validate(comment_model)
+
+    async def get_by_solution_id(self, solution_id) -> Optional[List[SolutionCommentRead]]:
+        solution_model = await self.solutions_repository.get_by_id(solution_id)
+
+        if solution_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Решение не найдено"
+            )
+
+        comments = await self.solution_comments_repository.get_by_solution_id(solution_id)
+        response = []
+        for comment in comments:
+            response.append(SolutionCommentRead.model_validate(comment))
+
+        return response
+
+    async def create(
+            self, comment: SolutionCommentCreate, user: User, solution_id: int
+    ) -> Optional[SolutionCommentRead]:
+        solution_model = await self.solutions_repository.get_by_id(solution_id)
+
+        if solution_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Решение не найдено"
+            )
+
+        comment_model = SolutionComment(
+            comment_text=comment.comment_text,
+            comment_autor_id=user.id,
+            solution_id=solution_model.id,
+        )
+
+        comment_model = await self.solution_comments_repository.create(comment_model)
+
+        return SolutionCommentRead.model_validate(comment_model)
+
+    async def delete(self, comment_id: int) -> None:
+        comment_model = await self.solution_comments_repository.get_by_id(comment_id)
+
+        if comment_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Комментарий не найден"
+            )
+
+        await self.solution_comments_repository.delete(comment_model)
diff --git a/api/app/infrastructure/solution_files_service.py b/api/app/infrastructure/solution_files_service.py
new file mode 100644
index 0000000..0452ff2
--- /dev/null
+++ b/api/app/infrastructure/solution_files_service.py
@@ -0,0 +1,118 @@
+import os
+import uuid
+from typing import List
+
+import aiofiles
+from fastapi import UploadFile, HTTPException
+from starlette.responses import FileResponse
+from sqlalchemy.ext.asyncio import AsyncSession
+from werkzeug.utils import secure_filename
+
+from app.application.solution_files_repository import SolutionFilesRepository
+from app.application.solutions_repository import SolutionsRepository
+from app.domain.entities.solution_files import ReadSolutionFile
+from app.domain.models import SolutionFile
+
+
+class SolutionFilesService:
+    def __init__(self, db: AsyncSession):
+        self.solution_files_repository = SolutionFilesRepository(db)
+        self.solutions_repository = SolutionsRepository(db)
+
+    async def get_file_by_id(self, file_id: int) -> FileResponse:
+        solution_file = await self.solution_files_repository.get_by_id(file_id)
+
+        if not solution_file:
+            raise HTTPException(404, "Файл с таким ID не найден")
+
+        return FileResponse(
+            solution_file.file_path,
+            media_type=self.get_media_type(solution_file.filename),
+            filename=os.path.basename(solution_file.filename),
+        )
+
+    async def get_files_list_by_solution(self, solution_id: int) -> List[ReadSolutionFile]:
+        solution = await self.solutions_repository.get_by_id(solution_id)
+
+        if solution is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        solution_files = await self.solution_files_repository.get_by_solution_id(solution_id)
+
+        response = []
+        for solution_file in solution_files:
+            response.append(
+                ReadSolutionFile.model_validate(
+                    solution_file
+                )
+            )
+
+        return response
+
+    async def upload_file(self, solution_id: int, file: UploadFile) -> ReadSolutionFile:
+        solution = await self.solutions_repository.get_by_id(solution_id)
+
+        if solution is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        file_path = await self.save_file(file, f'uploads/solutions/{solution.id}')
+
+        solution_file_model = SolutionFile(
+            filename=file.filename,
+            file_path=file_path,
+            solution_id=solution.id,
+        )
+
+        solution_file_model = await self.solution_files_repository.create(solution_file_model)
+
+        return ReadSolutionFile.model_validate(solution_file_model)
+
+    async def delete_file(self, file_id: int) -> ReadSolutionFile:
+        solution_file = await self.solution_files_repository.get_by_id(file_id)
+
+        if solution_file is None:
+            raise HTTPException(404, "Файл не найден")
+
+        if not os.path.exists(solution_file.file_path):
+            raise HTTPException(404, "Файл не найден на диске")
+
+        if os.path.exists(solution_file.file_path):
+            os.remove(solution_file.file_path)
+
+        solution_file = await self.solution_files_repository.delete(solution_file)
+
+        return ReadSolutionFile.model_validate(solution_file)
+
+    async def save_file(self, file: UploadFile, upload_dir: str = 'uploads/solutions') -> str:
+        os.makedirs(upload_dir, exist_ok=True)
+        filename = self.generate_filename(file)
+        file_path = os.path.join(upload_dir, filename)
+
+        async with aiofiles.open(file_path, 'wb') as out_file:
+            content = await file.read()
+            await out_file.write(content)
+        return file_path
+
+    @staticmethod
+    def generate_filename(file: UploadFile) -> str:
+        return secure_filename(f"{uuid.uuid4()}_{file.filename}")
+
+    @staticmethod
+    def get_media_type(filename: str) -> str:
+        extension = filename.split('.')[-1].lower()
+        if extension in ['jpeg', 'jpg', 'png']:
+            return f"image/{extension}"
+        if extension == 'pdf':
+            return "application/pdf"
+        if extension in ['zip']:
+            return "application/zip"
+        if extension in ['doc', 'docx']:
+            return "application/msword"
+        if extension in ['xls', 'xlsx']:
+            return "application/vnd.ms-excel"
+        if extension in ['ppt', 'pptx']:
+            return "application/vnd.ms-powerpoint"
+        if extension in ['txt']:
+            return "text/plain"
+
+        return "application/octet-stream"
diff --git a/api/app/infrastructure/solutions_service.py b/api/app/infrastructure/solutions_service.py
new file mode 100644
index 0000000..7a2c9f8
--- /dev/null
+++ b/api/app/infrastructure/solutions_service.py
@@ -0,0 +1,132 @@
+import os
+from typing import Optional, List
+
+from fastapi import HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.application.solution_files_repository import SolutionFilesRepository
+from app.application.solutions_repository import SolutionsRepository
+from app.application.tasks_repository import TasksRepository
+from app.application.users_repository import UsersRepository
+from app.domain.entities.solutions import SolutionRead, SolutionCreate, SolutionAfterCreate, AssessmentCreate
+from app.domain.models import User, Solution
+from app.settings import Settings
+
+
+class SolutionsService:
+    def __init__(self, db: AsyncSession):
+        self.solutions_repository = SolutionsRepository(db)
+        self.tasks_repository = TasksRepository(db)
+        self.users_repository = UsersRepository(db)
+        self.solution_files_repository = SolutionFilesRepository(db)
+        self.settings = Settings()
+
+    async def get_by_task_id(self, task_id: int) -> Optional[List[SolutionRead]]:
+        task_model = await self.tasks_repository.get_by_id(task_id)
+
+        if task_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+
+        solutions = await self.solutions_repository.get_by_task_id(task_id)
+
+        response = []
+        for solution in solutions:
+            response.append(
+                SolutionRead.model_validate(solution)
+            )
+
+        return response
+
+    async def get_by_task_id_and_student_id(self, task_id: int, student_id: int) -> Optional[List[SolutionRead]]:
+        task_model = await self.tasks_repository.get_by_id(task_id)
+
+        if task_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+
+        student_model = await self.users_repository.get_by_id(student_id)
+
+        if student_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Такой пользователь не найден"
+            )
+
+        solutions = await self.solutions_repository.get_by_task_id_and_student_id(task_id, student_id)
+
+        response = []
+        for solution in solutions:
+            response.append(
+                SolutionRead.model_validate(solution)
+            )
+
+        return response
+
+    async def create_assessment(self, solution_id: int, assessment: AssessmentCreate, user: User) -> None:
+        solution_model = await self.solutions_repository.get_by_id(solution_id)
+
+        if solution_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Такого решения не найдено"
+            )
+
+        solution_model.assessment = assessment.assessment
+        solution_model.assessment_autor_id = user.id
+
+        await self.solutions_repository.update(solution_model)
+
+    async def create(self, solution: SolutionCreate, creator: User, task_id: int) -> SolutionAfterCreate:
+        task_model = await self.tasks_repository.get_by_id(task_id)
+
+        if task_model is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+
+        model_solution = Solution(
+            answer_text=solution.answer_text,
+            assessment=solution.assessment,
+            task_id=task_id,
+            student_id=creator.id,
+        )
+        created_solution = await self.solutions_repository.create(model_solution)
+        return SolutionAfterCreate.model_validate(created_solution)
+
+    async def delete(self, solution_id: int, current_user: User) -> Optional[SolutionRead]:
+        solution = await self.solutions_repository.get_by_id(solution_id)
+        if solution is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail='Такое решение не найдено'
+            )
+
+        is_admin = current_user.role.title == self.settings.root_role_name
+        if solution.student_id != current_user.id and not is_admin:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Доступ запрещён"
+            )
+
+        solution_files = await self.solution_files_repository.get_by_solution_id(solution.id)
+        for file in solution_files:
+            solution_file = await self.solution_files_repository.get_by_id(file.id)
+
+            if solution_file is None:
+                raise HTTPException(404, "Файл не найден")
+
+            if not os.path.exists(solution_file.file_path):
+                raise HTTPException(404, "Файл не найден на диске")
+
+            if os.path.exists(solution_file.file_path):
+                os.remove(solution_file.file_path)
+
+            await self.solution_files_repository.delete(solution_file)
+
+        await self.solutions_repository.delete(solution)
diff --git a/api/app/infrastructure/task_files_service.py b/api/app/infrastructure/task_files_service.py
new file mode 100644
index 0000000..a8d2466
--- /dev/null
+++ b/api/app/infrastructure/task_files_service.py
@@ -0,0 +1,118 @@
+import os
+import uuid
+from typing import List
+
+import aiofiles
+from fastapi import UploadFile, HTTPException
+from starlette.responses import FileResponse
+from sqlalchemy.ext.asyncio import AsyncSession
+from werkzeug.utils import secure_filename
+
+from app.application.task_files_repository import TaskFilesRepository
+from app.application.tasks_repository import TasksRepository
+from app.domain.entities.task_files import ReadTaskFile
+from app.domain.models import TaskFile
+
+
+class TaskFilesService:
+    def __init__(self, db: AsyncSession):
+        self.task_files_repository = TaskFilesRepository(db)
+        self.tasks_repository = TasksRepository(db)
+
+    async def get_file_by_id(self, file_id: int) -> FileResponse:
+        task_file = await self.task_files_repository.get_by_id(file_id)
+
+        if not task_file:
+            raise HTTPException(404, "Файл с таким ID не найден")
+
+        return FileResponse(
+            task_file.file_path,
+            media_type=self.get_media_type(task_file.filename),
+            filename=os.path.basename(task_file.filename),
+        )
+
+    async def get_files_list_by_task(self, task_id: int) -> List[ReadTaskFile]:
+        task = await self.tasks_repository.get_by_id(task_id)
+
+        if task is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        task_files = await self.task_files_repository.get_by_task_id(task_id)
+
+        response = []
+        for task_file in task_files:
+            response.append(
+                ReadTaskFile.model_validate(
+                    task_file
+                )
+            )
+
+        return response
+
+    async def upload_file(self, task_id: int, file: UploadFile) -> ReadTaskFile:
+        task = await self.tasks_repository.get_by_id(task_id)
+
+        if task is None:
+            raise HTTPException(404, "Лекционный материал не найден")
+
+        file_path = await self.save_file(file, f'uploads/tasks/{task.id}')
+
+        task_file_model = TaskFile(
+            filename=file.filename,
+            file_path=file_path,
+            task_id=task.id,
+        )
+
+        task_file_model = await self.task_files_repository.create(task_file_model)
+
+        return ReadTaskFile.model_validate(task_file_model)
+
+    async def delete_file(self, file_id: int) -> ReadTaskFile:
+        task_file = await self.task_files_repository.get_by_id(file_id)
+
+        if task_file is None:
+            raise HTTPException(404, "Файл не найден")
+
+        if not os.path.exists(task_file.file_path):
+            raise HTTPException(404, "Файл не найден на диске")
+
+        if os.path.exists(task_file.file_path):
+            os.remove(task_file.file_path)
+
+        task_file = await self.task_files_repository.delete(task_file)
+
+        return ReadTaskFile.model_validate(task_file)
+
+    async def save_file(self, file: UploadFile, upload_dir: str = 'uploads/tasks') -> str:
+        os.makedirs(upload_dir, exist_ok=True)
+        filename = self.generate_filename(file)
+        file_path = os.path.join(upload_dir, filename)
+
+        async with aiofiles.open(file_path, 'wb') as out_file:
+            content = await file.read()
+            await out_file.write(content)
+        return file_path
+
+    @staticmethod
+    def generate_filename(file: UploadFile) -> str:
+        return secure_filename(f"{uuid.uuid4()}_{file.filename}")
+
+    @staticmethod
+    def get_media_type(filename: str) -> str:
+        extension = filename.split('.')[-1].lower()
+        if extension in ['jpeg', 'jpg', 'png']:
+            return f"image/{extension}"
+        if extension == 'pdf':
+            return "application/pdf"
+        if extension in ['zip']:
+            return "application/zip"
+        if extension in ['doc', 'docx']:
+            return "application/msword"
+        if extension in ['xls', 'xlsx']:
+            return "application/vnd.ms-excel"
+        if extension in ['ppt', 'pptx']:
+            return "application/vnd.ms-powerpoint"
+        if extension in ['txt']:
+            return "text/plain"
+
+        return "application/octet-stream"
diff --git a/api/app/infrastructure/tasks_service.py b/api/app/infrastructure/tasks_service.py
new file mode 100644
index 0000000..160071c
--- /dev/null
+++ b/api/app/infrastructure/tasks_service.py
@@ -0,0 +1,113 @@
+import os
+from typing import List, Optional
+
+from fastapi import HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.application.courses_repository import CoursesRepository
+from app.application.task_files_repository import TaskFilesRepository
+from app.application.tasks_repository import TasksRepository
+from app.domain.entities.tasks import TaskCreate, TaskUpdate
+from app.domain.entities.tasks import TaskRead
+from app.domain.models import User, Task
+from app.settings import Settings
+
+
+class TasksService:
+    def __init__(self, db: AsyncSession):
+        self.tasks_repository = TasksRepository(db)
+        self.courses_repository = CoursesRepository(db)
+        self.task_files_repository = TaskFilesRepository(db)
+        self.settings = Settings()
+
+    async def get_all_by_course(self, course_id: int) -> List[TaskRead]:
+        tasks = await self.tasks_repository.get_all_by_course(course_id)
+        response = []
+
+        for task in tasks:
+            response.append(TaskRead.model_validate(task))
+
+        return response
+
+    async def get_by_id(self, task_id: int) -> TaskRead:
+        task = await self.tasks_repository.get_by_id(task_id)
+        if not task:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+        return TaskRead.model_validate(task)
+
+    async def create(self, task_data: TaskCreate, creator: User, course_id) -> TaskRead:
+        course_model = await self.courses_repository.get_by_id(course_id)
+        if not course_model:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Курс не найден"
+            )
+
+        task = Task(
+            title=task_data.title,
+            description=task_data.description,
+            text=task_data.text,
+            number=task_data.number,
+            course_id=course_id,
+            creator_id=creator.id
+        )
+
+        created_task = await self.tasks_repository.create(task)
+        return TaskRead.model_validate(created_task)
+
+    async def update(self, task_id: int, task_data: TaskUpdate, current_user: User) -> Optional[TaskRead]:
+        task = await self.tasks_repository.get_by_id(task_id)
+        if not task:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+
+        is_admin = current_user.role.title == self.settings.root_role_name
+        if task.creator_id != current_user.id and not is_admin:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Доступ запрещён"
+            )
+
+        update_dict = task_data.dict(exclude_unset=True)
+        for key, value in update_dict.items():
+            setattr(task, key, value)
+
+        updated_task = await self.tasks_repository.update(task)
+        return TaskRead.model_validate(updated_task)
+
+    async def delete(self, task_id: int, current_user: User) -> None:
+        task = await self.tasks_repository.get_by_id(task_id)
+        if not task:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Задание не найдено"
+            )
+
+        is_admin = current_user.role.title == self.settings.root_role_name
+        if task.creator_id != current_user.id and not is_admin:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Доступ запрещён"
+            )
+
+        task_files = await self.task_files_repository.get_by_task_id(task_id)
+        for file in task_files:
+            task_file = await self.task_files_repository.get_by_id(file.id)
+
+            if task_file is None:
+                raise HTTPException(404, "Файл не найден")
+
+            if not os.path.exists(task_file.file_path):
+                raise HTTPException(404, "Файл не найден на диске")
+
+            if os.path.exists(task_file.file_path):
+                os.remove(task_file.file_path)
+
+            await self.task_files_repository.delete(task_file)
+
+        await self.tasks_repository.delete(task)
diff --git a/api/app/infrastructure/user_check_lessons_service.py b/api/app/infrastructure/user_check_lessons_service.py
new file mode 100644
index 0000000..6050547
--- /dev/null
+++ b/api/app/infrastructure/user_check_lessons_service.py
@@ -0,0 +1,102 @@
+from typing import Optional, List
+
+from fastapi import HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.application.courses_repository import CoursesRepository
+from app.application.lessons_repository import LessonsRepository
+from app.application.solutions_repository import SolutionsRepository
+from app.application.tasks_repository import TasksRepository
+from app.application.user_check_lessons_repository import UserCheckLessonsRepository
+from app.application.users_repository import UsersRepository
+from app.domain.entities.users import UserCheckLessonRead, UserCheckLessonCreate
+from app.domain.models import UserCheckLessons
+
+
+class UserCheckLessonsService:
+    def __init__(self, db: AsyncSession):
+        self.user_check_lessons_repository = UserCheckLessonsRepository(db)
+        self.users_repository = UsersRepository(db)
+        self.lessons_repository = LessonsRepository(db)
+        self.courses_repository = CoursesRepository(db)
+        self.tasks_repository = TasksRepository(db)
+        self.lessons_repository = LessonsRepository(db)
+        self.solutions_repository = SolutionsRepository(db)
+
+    async def get_by_course_id_and_user_id(self, course_id: int, user_id: int) -> Optional[List[UserCheckLessonRead]]:
+        user = await self.users_repository.get_by_id(user_id)
+        if user is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Пользователь не найден"
+            )
+
+        course = await self.courses_repository.get_by_id(course_id)
+        if course is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Курс не найден"
+            )
+
+        checks = await self.user_check_lessons_repository.get_by_course_id_and_user_id(course_id, user_id)
+        response = []
+        for check in checks:
+            response.append(
+                UserCheckLessonRead.model_validate(check)
+            )
+
+        return response
+
+    async def create(self, lesson_id: int, user_id: int) -> None:
+        user = await self.users_repository.get_by_id(user_id)
+        if user is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Пользователь не найден"
+            )
+
+        lesson = await self.lessons_repository.get_by_id(lesson_id)
+        if lesson is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Лекция не найдена"
+            )
+
+        user_check = await self.user_check_lessons_repository.get_by_user_id_and_lesson_id(
+            user_id,
+            lesson_id
+        )
+
+        if user_check is not None:
+            return
+
+        user_check_model = UserCheckLessons(
+            lesson_id=lesson_id,
+            user_id=user_id,
+        )
+        user_check_model = await self.user_check_lessons_repository.create(user_check_model)
+
+    async def calculate_user_progress(self, course_id: int, user_id: int) -> float:
+        total_lessons = await self.lessons_repository.get_all_by_course(course_id)
+        total_tasks = await self.tasks_repository.get_all_by_course(course_id)
+
+        total_content = len(total_lessons) + len(total_tasks)
+        if total_content == 0:
+            return 100.0
+
+        passed_lessons = await self.user_check_lessons_repository.get_by_course_id_and_user_id(
+            course_id=course_id,
+            user_id=user_id
+        )
+        passed_lessons_count = len(passed_lessons)
+
+        completed_tasks = await self.solutions_repository.get_completed_tasks_by_course_and_user(
+            course_id=course_id,
+            user_id=user_id
+        )
+        completed_tasks_count = len(completed_tasks)
+
+        completed_total = passed_lessons_count + completed_tasks_count
+        progress = (completed_total / total_content) * 100
+
+        return round(progress, 2)
\ No newline at end of file
diff --git a/api/app/main.py b/api/app/main.py
index 1b238a9..57b5862 100644
--- a/api/app/main.py
+++ b/api/app/main.py
@@ -3,9 +3,13 @@ from starlette.middleware.cors import CORSMiddleware
 
 from app.controllers.auth_router import auth_router
 from app.controllers.courses_router import courses_router
+from app.controllers.lessons_router import lessons_router
 from app.controllers.register_router import register_router
 from app.controllers.roles_router import roles_router
+from app.controllers.solution_comments_router import solution_comments_router
+from app.controllers.solutions_router import solution_router
 from app.controllers.statuses_router import statuses_router
+from app.controllers.tasks_router import tasks_router
 from app.controllers.users_router import users_router
 from app.settings import Settings
 
@@ -24,9 +28,13 @@ def start_app():
 
     api_app.include_router(auth_router, prefix=f'{settings.prefix}/auth', tags=['auth'])
     api_app.include_router(courses_router, prefix=f'{settings.prefix}/courses', tags=['courses'])
+    api_app.include_router(lessons_router, prefix=f'{settings.prefix}/lessons', tags=['lessons'])
     api_app.include_router(register_router, prefix=f'{settings.prefix}/register', tags=['register'])
     api_app.include_router(roles_router, prefix=f'{settings.prefix}/roles', tags=['roles'])
+    api_app.include_router(solution_comments_router, prefix=f'{settings.prefix}/comments', tags=['comments'])
+    api_app.include_router(solution_router, prefix=f'{settings.prefix}/solutions', tags=['solutions'])
     api_app.include_router(statuses_router, prefix=f'{settings.prefix}/statuses', tags=['statuses'])
+    api_app.include_router(tasks_router, prefix=f'{settings.prefix}/tasks', tags=['tasks'])
     api_app.include_router(users_router, prefix=f'{settings.prefix}/users', tags=['users'])
 
     return api_app
diff --git a/api/req.txt b/api/req.txt
index 1529607..d3a8463 100644
--- a/api/req.txt
+++ b/api/req.txt
@@ -6,4 +6,5 @@ greenlet==3.2.4
 werkzeug==3.1.3
 pyjwt==2.9.0
 fastapi==0.115.0
-pydantic[email]==2.11.4
\ No newline at end of file
+pydantic[email]==2.11.4
+aiofiles==25.1.0
\ No newline at end of file
diff --git a/web/index.html b/web/index.html
index 9c049fa..4a6752d 100644
--- a/web/index.html
+++ b/web/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" href="/rounded_logo.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>web</title>
+    <title>Система обучения lectio</title>
   </head>
   <body>
     <div id="root"></div>
diff --git a/web/package-lock.json b/web/package-lock.json
index 7a0ccda..2c167a6 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -12,6 +12,7 @@
         "@reduxjs/toolkit": "^2.11.0",
         "antd": "^6.0.0",
         "dayjs": "^1.11.19",
+        "jodit-react": "^5.2.38",
         "react": "^19.2.0",
         "react-dom": "^19.2.0",
         "react-redux": "^9.2.0",
@@ -3134,6 +3135,25 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/jodit": {
+      "version": "4.7.9",
+      "resolved": "https://registry.npmjs.org/jodit/-/jodit-4.7.9.tgz",
+      "integrity": "sha512-dPlewnu2+vVXELh9BEJTNQoSBL3Cf2E0fNh30yjSEgUtJHYSUYToDjMDEqr0T/L9iNpqPTODy2b4pzyGpPRUog==",
+      "license": "MIT"
+    },
+    "node_modules/jodit-react": {
+      "version": "5.2.38",
+      "resolved": "https://registry.npmjs.org/jodit-react/-/jodit-react-5.2.38.tgz",
+      "integrity": "sha512-k98vjch0JWX13Dlf7tWv3wPo6dgO9bpi0NUBC6YrpGLYtRJx8d5Ttz5TLWuydEReedWWyNKobSGIGYQDihP8Vw==",
+      "license": "MIT",
+      "dependencies": {
+        "jodit": "^4.7.9"
+      },
+      "peerDependencies": {
+        "react": "~0.14 || ^15 || ^16 || ^17 || ^18 || ^19",
+        "react-dom": "~0.14 || ^15 || ^16 || ^17 || ^18 || ^19"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
diff --git a/web/package.json b/web/package.json
index abadb48..66962ca 100644
--- a/web/package.json
+++ b/web/package.json
@@ -14,6 +14,7 @@
     "@reduxjs/toolkit": "^2.11.0",
     "antd": "^6.0.0",
     "dayjs": "^1.11.19",
+    "jodit-react": "^5.2.38",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-redux": "^9.2.0",
diff --git a/web/src/Api/commentsApi.js b/web/src/Api/commentsApi.js
new file mode 100644
index 0000000..8e27398
--- /dev/null
+++ b/web/src/Api/commentsApi.js
@@ -0,0 +1,39 @@
+import {createApi} from "@reduxjs/toolkit/query/react";
+import {baseQueryWithAuth} from "./baseQuery.js";
+
+
+export const commentsApi = createApi({
+    reducerPath: "commentsApi",
+    baseQuery: baseQueryWithAuth,
+    tagTypes: ["comments"],
+    endpoints: (builder) => ({
+        getAllCommentsBySolutionId: builder.query({
+            query: (solutionId) => ({
+                url: `/comments/solution/${solutionId}/`,
+                method: "GET"
+            }),
+            providesTags: ["comments"],
+        }),
+        createComment: builder.mutation({
+            query: ({solutionId, comment}) => ({
+                url: `/comments/solution/${solutionId}/`,
+                method: "POST",
+                body: comment,
+            }),
+            invalidatesTags: ["comments"],
+        }),
+        deleteComment: builder.mutation({
+            query: (commentId) => ({
+                url: `/comments/${commentId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["comments"],
+        }),
+    })
+});
+
+export const {
+    useGetAllCommentsBySolutionIdQuery,
+    useCreateCommentMutation,
+    useDeleteCommentMutation,
+} = commentsApi;
\ No newline at end of file
diff --git a/web/src/Api/coursesApi.js b/web/src/Api/coursesApi.js
index c526836..91d57da 100644
--- a/web/src/Api/coursesApi.js
+++ b/web/src/Api/coursesApi.js
@@ -14,6 +14,20 @@ export const coursesApi = createApi({
             }),
             providesTags: ['course'],
         }),
+        getAllMyCourses: builder.query({
+            query: () => ({
+                url: "/courses/for-me/",
+                method: "GET",
+            }),
+            providesTags: ['course'],
+        }),
+        getCourseById: builder.query({
+            query: (courseId) => ({
+                url: `/courses/${courseId}/`,
+                method: "GET",
+            }),
+            providesTags: ['course'],
+        }),
         createCourse: builder.mutation({
             query: (data) => ({
                 url: "/courses/",
@@ -38,10 +52,10 @@ export const coursesApi = createApi({
             providesTags: ['teacher'],
         }),
         replaceCourseTeachers: builder.mutation({
-            query: ({courseId, ...data}) => ({
+            query: ({courseId, teachers}) => ({
                 url: `/courses/${courseId}/teachers/`,
                 method: "PUT",
-                body: data,
+                body: teachers,
             }),
             invalidatesTags: ['teacher'],
         }),
@@ -53,10 +67,10 @@ export const coursesApi = createApi({
             providesTags: ['student'],
         }),
         replaceCourseStudents: builder.mutation({
-            query: ({courseId, ...data}) => ({
+            query: ({courseId, students}) => ({
                 url: `/courses/${courseId}/students/`,
                 method: "PUT",
-                body: data,
+                body: students,
             }),
             invalidatesTags: ['student'],
         }),
@@ -65,6 +79,8 @@ export const coursesApi = createApi({
 
 export const {
     useGetAllCoursesQuery,
+    useGetAllMyCoursesQuery,
+    useGetCourseByIdQuery,
     useCreateCourseMutation,
     useUpdateCourseMutation,
     useGetCourseTeachersQuery,
diff --git a/web/src/Api/lessonsApi.js b/web/src/Api/lessonsApi.js
new file mode 100644
index 0000000..b7daeb8
--- /dev/null
+++ b/web/src/Api/lessonsApi.js
@@ -0,0 +1,104 @@
+import {createApi} from "@reduxjs/toolkit/query/react";
+import {baseQueryWithAuth} from "./baseQuery.js";
+
+
+export const lessonsApi = createApi({
+    reducerPath: "lessonsApi",
+    baseQuery: baseQueryWithAuth,
+    tagTypes: ["lesson"],
+    endpoints: (builder) => ({
+        getLessonsByCourseId: builder.query({
+            query: (courseId) => ({
+                url: `/lessons/course/${courseId}/`,
+                method: "GET",
+            }),
+            providesTags: ["lesson"],
+            transformResponse: (response) => {
+                return response.map(lesson => ({
+                    ...lesson,
+                    contentType: "lesson",
+                    __typename: "Lesson"
+                }));
+            },
+        }),
+        getLessonById: builder.query({
+            query: (lessonId) => ({
+                url: `/lessons/${lessonId}/`,
+                method: "GET",
+            }),
+            providesTags: ["lesson"],
+        }),
+        createLesson: builder.mutation({
+            query: ({courseId, lessonData}) => ({
+                url: `/lessons/${courseId}/`,
+                method: "POST",
+                body: lessonData,
+            }),
+            invalidatesTags: ["lesson"],
+        }),
+        updateLesson: builder.mutation({
+            query: ({lessonId, lessonData}) => ({
+                url: `/lessons/${lessonId}/`,
+                method: "PUT",
+                body: lessonData,
+            }),
+            invalidatesTags: ["lesson"],
+        }),
+        deleteLesson: builder.mutation({
+            query: (lessonId) => ({
+                url: `/lessons/${lessonId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["lesson"],
+        }),
+        getLessonFilesList: builder.query({
+            query: (lessonId) => ({
+                url: `/lessons/files/${lessonId}/`,
+                method: "GET",
+            }),
+            providesTags: ["lesson"],
+        }),
+        getDownloadFile: builder.query({
+            query: (fileId) => ({
+                url: `/lessons/file/${fileId}/`,
+                method: "GET",
+            }),
+            providesTags: ["lesson"],
+        }),
+        uploadFile: builder.mutation({
+            query: ({lesson_id, fileData}) => {
+                if (!(fileData instanceof File)) {
+                    throw new Error('Invalid file object');
+                }
+                const formData = new FormData();
+                formData.append('file', fileData);
+                return {
+                    url: `/lessons/files/${lesson_id}/upload/`,
+                    method: 'POST',
+                    formData: true,
+                    body: formData,
+                };
+            },
+            invalidatesTags: ["lesson"],
+        }),
+        deleteFile: builder.mutation({
+            query: (fileId) => ({
+                url: `/lessons/files/${fileId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["lesson"],
+        }),
+    }),
+});
+
+export const {
+    useGetLessonsByCourseIdQuery,
+    useGetLessonByIdQuery,
+    useCreateLessonMutation,
+    useUpdateLessonMutation,
+    useDeleteLessonMutation,
+    useGetLessonFilesListQuery,
+    useGetDownloadFileQuery,
+    useUploadFileMutation,
+    useDeleteFileMutation,
+} = lessonsApi;
diff --git a/web/src/Api/solutionsApi.js b/web/src/Api/solutionsApi.js
new file mode 100644
index 0000000..93cdc95
--- /dev/null
+++ b/web/src/Api/solutionsApi.js
@@ -0,0 +1,82 @@
+import {createApi} from "@reduxjs/toolkit/query/react";
+import {baseQueryWithAuth} from "./baseQuery.js";
+
+
+export const solutionsApi = createApi({
+    reducerPath: "solutionsApi",
+    baseQuery: baseQueryWithAuth,
+    tagTypes: ["solution"],
+    endpoints: (builder) => ({
+        getTaskSolutions: builder.query({
+            query: (taskId) => ({
+                url: `/solutions/task/${taskId}/`,
+                method: "GET"
+            }),
+            providesTags: ["solution"],
+        }),
+        getTaskStudentSolutions: builder.query({
+            query: ({taskId, studentId}) => ({
+                url: `/solutions/task/${taskId}/student/${studentId}/`,
+                method: "GET"
+            }),
+            providesTags: ["solution"],
+        }),
+        createSolution: builder.mutation({
+            query: ({taskId, solution}) => ({
+                url: `/solutions/${taskId}/`,
+                method: "POST",
+                body: solution,
+            }),
+            invalidatesTags: ["solution"],
+        }),
+        deleteSolution: builder.mutation({
+            query: (solutionId) => ({
+                url: `/solutions/${solutionId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["solution"],
+        }),
+        getSolutionFilesList: builder.query({
+            query: (solutionId) => ({
+                url: `/solutions/files/${solutionId}/`,
+                method: "GET"
+            }),
+            providesTags: ["solution"],
+        }),
+        uploadFile: builder.mutation({
+            query: ({solutionId, fileData}) => {
+                if (!(fileData instanceof File)) {
+                    throw new Error('Invalid file object');
+                }
+                const formData = new FormData();
+                formData.append('file', fileData);
+                return {
+                    url: `/solutions/files/${solutionId}/upload/`,
+                    method: 'POST',
+                    formData: true,
+                    body: formData,
+                };
+            },
+            invalidatesTags: ["solution"],
+        }),
+        createAssessment: builder.mutation({
+            query: ({solutionId, assessment}) => ({
+                url: `/solutions/assessment/${solutionId}/`,
+                method: "POST",
+                body: assessment,
+            }),
+            invalidatesTags: ["solution"],
+        }),
+    }),
+});
+
+export const {
+    useGetTaskSolutionsQuery,
+    useGetTaskStudentSolutionsQuery,
+    useCreateSolutionMutation,
+    useDeleteSolutionMutation,
+    useGetSolutionFilesListQuery,
+    useUploadFileMutation,
+    useCreateAssessmentMutation,
+} = solutionsApi;
+
diff --git a/web/src/Api/tasksApi.js b/web/src/Api/tasksApi.js
new file mode 100644
index 0000000..2080683
--- /dev/null
+++ b/web/src/Api/tasksApi.js
@@ -0,0 +1,104 @@
+import {createApi} from "@reduxjs/toolkit/query/react";
+import {baseQueryWithAuth} from "./baseQuery.js";
+
+
+export const tasksApi = createApi({
+    reducerPath: "tasksApi",
+    baseQuery: baseQueryWithAuth,
+    tagTypes: ["task"],
+    endpoints: (builder) => ({
+        getTasksByCourseId: builder.query({
+            query: (courseId) => ({
+                url: `/tasks/course/${courseId}/`,
+                method: "GET",
+            }),
+            providesTags: ["task"],
+            transformResponse: (response) => {
+                return response.map(task => ({
+                    ...task,
+                    contentType: "task",
+                    __typename: "Task"
+                }));
+            },
+        }),
+        getTaskById: builder.query({
+            query: (taskId) => ({
+                url: `/tasks/${taskId}/`,
+                method: "GET",
+            }),
+            providesTags: ["task"],
+        }),
+        createTask: builder.mutation({
+            query: ({courseId, taskData}) => ({
+                url: `/tasks/${courseId}/`,
+                method: "POST",
+                body: taskData,
+            }),
+            invalidatesTags: ["task"],
+        }),
+        updateTask: builder.mutation({
+            query: ({taskId, taskData}) => ({
+                url: `/tasks/${taskId}/`,
+                method: "PUT",
+                body: taskData,
+            }),
+            invalidatesTags: ["task"],
+        }),
+        deleteTask: builder.mutation({
+            query: (taskId) => ({
+                url: `/tasks/${taskId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["task"],
+        }),
+        getTaskFilesList: builder.query({
+            query: (taskId) => ({
+                url: `/tasks/files/${taskId}/`,
+                method: "GET",
+            }),
+            providesTags: ["task"],
+        }),
+        getDownloadFile: builder.query({
+            query: (fileId) => ({
+                url: `/tasks/file/${fileId}/`,
+                method: "GET",
+            }),
+            providesTags: ["task"],
+        }),
+        uploadFile: builder.mutation({
+            query: ({task_id, fileData}) => {
+                if (!(fileData instanceof File)) {
+                    throw new Error('Invalid file object');
+                }
+                const formData = new FormData();
+                formData.append('file', fileData);
+                return {
+                    url: `/tasks/files/${task_id}/upload/`,
+                    method: 'POST',
+                    formData: true,
+                    body: formData,
+                };
+            },
+            invalidatesTags: ["task"],
+        }),
+        deleteFile: builder.mutation({
+            query: (fileId) => ({
+                url: `/tasks/files/${fileId}/`,
+                method: "DELETE",
+            }),
+            invalidatesTags: ["task"],
+        }),
+    }),
+});
+
+export const {
+    useGetTasksByCourseIdQuery,
+    useGetTaskByIdQuery,
+    useCreateTaskMutation,
+    useUpdateTaskMutation,
+    useDeleteTaskMutation,
+    useGetTaskFilesListQuery,
+    useGetDownloadFileQuery,
+    useUploadFileMutation,
+    useDeleteFileMutation,
+} = tasksApi;
diff --git a/web/src/Api/usersApi.js b/web/src/Api/usersApi.js
index e1a2333..807f8b8 100644
--- a/web/src/Api/usersApi.js
+++ b/web/src/Api/usersApi.js
@@ -46,6 +46,27 @@ export const usersApi = createApi({
             }),
             providesTags: ["user"],
         }),
+        getReadedLessonsByCourse: builder.query({
+            query: (courseId) => ({
+                url: `/users/check-my-lessons/${courseId}/`,
+                method: "GET",
+            }),
+            providesTags: ["user"],
+        }),
+        setLessonAsReaded: builder.mutation({
+            query: (lessonId) => ({
+                url: `/users/check-lesson/${lessonId}/`,
+                method: "POST",
+            }),
+            invalidatesTags: ["user"],
+        }),
+        getMyCourseProgress: builder.query({
+            query: (courseId) => ({
+                url: `/users/my-progress/${courseId}/`,
+                method: "GET",
+            }),
+            providesTags: ["user"],
+        }),
     }),
 });
 
@@ -56,4 +77,7 @@ export const {
     useUpdateUserPasswordMutation,
     useCreateUserMutation,
     useGetUsersByRoleNameQuery,
+    useGetReadedLessonsByCourseQuery,
+    useSetLessonAsReadedMutation,
+    useGetMyCourseProgressQuery,
 } = usersApi;
\ No newline at end of file
diff --git a/web/src/App/AppRouter.jsx b/web/src/App/AppRouter.jsx
index f063a10..440a011 100644
--- a/web/src/App/AppRouter.jsx
+++ b/web/src/App/AppRouter.jsx
@@ -7,6 +7,7 @@ import CoursesPage from "../Components/Pages/Courses/CoursesPage.jsx";
 import MainLayout from "../Components/Layouts/MainLayout.jsx";
 import ProfilePage from "../Components/Pages/ProfilePage/ProfilePage.jsx";
 import AdminPage from "../Components/Pages/AdminPage/AdminPage.jsx";
+import CourseDetailPage from "../Components/Pages/CourseDetailPage/CourseDetailPage.jsx";
 
 
 const AppRouter = () => (
@@ -18,6 +19,7 @@ const AppRouter = () => (
             <Route element={<MainLayout/>}>
                 <Route path={"/courses"} element={<CoursesPage/>}/>
                 <Route path={"/profile"} element={<ProfilePage/>}/>
+                <Route path="/courses/:courseId" element={<CourseDetailPage />} />
                 <Route path={"*"} element={<Navigate to={"/courses"}/>}/>
             </Route>
         </Route>
diff --git a/web/src/Components/Layouts/MainLayout.jsx b/web/src/Components/Layouts/MainLayout.jsx
index 8b399a6..96dff20 100644
--- a/web/src/Components/Layouts/MainLayout.jsx
+++ b/web/src/Components/Layouts/MainLayout.jsx
@@ -1,6 +1,6 @@
 import useMainLayout from "./useMainLayout.js";
 import {Layout, Menu} from "antd";
-import CoursesPage from "../Pages/Courses/CoursesPage.jsx";
+import CoursesPage from "../Pages/CoursesPage/CoursesPage.jsx";
 import LoadingIndicator from "../Widgets/LoadingIndicator/LoadingIndicator.jsx";
 import {Outlet} from "react-router-dom";
 import {BookOutlined, ControlOutlined, LogoutOutlined, UserOutlined} from "@ant-design/icons";
@@ -79,7 +79,7 @@ const MainLayout = () => {
                         <Outlet/>
                     )}
                 </Content>
-                <Footer style={{textAlign: "center"}}>{new Date().getFullYear()}</Footer>
+                <Footer style={{textAlign: "center"}}>lectio © {new Date().getFullYear()}</Footer>
             </Layout>
         </Layout>
     )
diff --git a/web/src/Components/Pages/AdminPage/useAdminPage.js b/web/src/Components/Pages/AdminPage/useAdminPage.js
index c84335c..c38d3fc 100644
--- a/web/src/Components/Pages/AdminPage/useAdminPage.js
+++ b/web/src/Components/Pages/AdminPage/useAdminPage.js
@@ -1,6 +1,6 @@
 import {useGetAllUsersQuery, useGetAuthenticatedUserDataQuery} from "../../../Api/usersApi.js";
 import {useGetAllRolesQuery} from "../../../Api/rolesApi.js";
-import {useMemo, useState} from "react";
+import {useEffect, useMemo, useState} from "react";
 import {useDispatch} from "react-redux";
 import {setOpenModalCreateUser, setSelectedUserToUpdate} from "../../../Redux/Slices/usersSlice.js";
 
@@ -18,6 +18,10 @@ const useAdminPage = () => {
         setSearchString,
     ] = useState("");
 
+    useEffect(() => {
+        window.document.title = "Система обучения lectio - Панель администратора";
+    }, []);
+
     const {
         data: usersData = [],
         isLoading: usersIsLoading,
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/CreateLessonModalForm.jsx b/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/CreateLessonModalForm.jsx
new file mode 100644
index 0000000..52fa09a
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/CreateLessonModalForm.jsx
@@ -0,0 +1,86 @@
+import useCreateLessonModalForm from "./useCreateLessonModalForm.js";
+import {Button, Form, Input, InputNumber, Modal, Upload} from "antd";
+import JoditEditor from "jodit-react";
+import {UploadOutlined} from "@ant-design/icons";
+
+const {TextArea} = Input;
+
+const CreateLessonModalForm = ({courseId}) => {
+    const {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading,
+        handleAddFile,
+        handleRemoveFile,
+        draftFiles,
+    } = useCreateLessonModalForm({courseId});
+
+    return (
+        <Modal
+            title="Создание лекционного материала"
+            open={isModalOpen}
+            onCancel={handleCancel}
+            width={1000}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button
+                    key="submit"
+                    type="primary"
+                    loading={isLoading}
+                    onClick={handleOk}
+                >
+                    Создать лекцию
+                </Button>,
+            ]}
+            destroyOnHidden
+        >
+            <Form form={form} layout="vertical" preserve={false}>
+                <Form.Item
+                    name="title"
+                    label="Название лекции"
+                    rules={[{required: true, message: "Введите название лекции"}]}
+                >
+                    <Input size="large"/>
+                </Form.Item>
+
+                <Form.Item name="description" label="Краткое описание">
+                    <TextArea rows={2} placeholder="О чём эта лекция..."/>
+                </Form.Item>
+
+                <Form.Item name="number" label="Порядковый номер" initialValue={1}>
+                    <InputNumber min={1} style={{width: "100%"}}/>
+                </Form.Item>
+
+                <Form.Item label="Содержание лекции">
+                    <div style={{border: "1px solid #d9d9d9", borderRadius: 6}}>
+                        <JoditEditor
+                            ref={editorRef}
+                            config={joditConfig}
+                        />
+                    </div>
+                </Form.Item>
+
+                <Form.Item name="files" label="Прикрепить файлы">
+                    <Upload
+                        fileList={draftFiles}
+                        beforeUpload={(file) => {
+                            handleAddFile(file);
+                            return false;
+                        }}
+                        onRemove={(file) => handleRemoveFile(file)}
+                        multiple
+                    >
+                        <Button icon={<UploadOutlined/>}>Выбрать файлы</Button>
+                    </Upload>
+                </Form.Item>
+            </Form>
+        </Modal>
+    );
+};
+export default CreateLessonModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/useCreateLessonModalForm.js b/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/useCreateLessonModalForm.js
new file mode 100644
index 0000000..942bf6e
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/CreateLessonModalForm/useCreateLessonModalForm.js
@@ -0,0 +1,178 @@
+import {useDispatch, useSelector} from "react-redux";
+import {setOpenModalCreateLesson} from "../../../../../Redux/Slices/lessonsSlice.js";
+import {Form, notification} from "antd";
+import {useMemo, useRef, useState} from "react";
+import {useCreateLessonMutation, useUploadFileMutation} from "../../../../../Api/lessonsApi.js";
+
+
+const useCreateLessonModalForm = ({courseId}) => {
+    const dispatch = useDispatch();
+    const {
+        openModalCreateLesson
+    } = useSelector((state) => state.lessons);
+    const [form] = Form.useForm();
+
+    const [createLesson, {isLoading}] = useCreateLessonMutation();
+    const [draftFiles, setDraftFiles] = useState([]);
+    const [uploadFile] = useUploadFileMutation();
+
+    const isModalOpen = openModalCreateLesson;
+    const editorRef = useRef(null);
+
+    const handleCancel = () => {
+        form.resetFields();
+        if (editorRef.current) {
+            editorRef.current.value = "";
+        }
+        dispatch(setOpenModalCreateLesson(false));
+    };
+
+    const handleAddFile = (file) => {
+        const maxSize = 50 * 1024 * 1024; // 50 мегабайт
+        if (file.size > maxSize) {
+            notification.error({
+                message: "Ошибка вставки",
+                description: "Файл слишком большой.",
+                placement: "topRight",
+            });
+            return false;
+        }
+        setDraftFiles((prev) => [...prev, file]);
+        return false;
+    };
+
+    const handleRemoveFile = (file) => {
+        setDraftFiles((prev) => prev.filter((f) => f.uid !== file.uid));
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+            const content = editorRef.current?.value || "";
+
+            const lessonData = {
+                title: values.title,
+                description: values.description || null,
+                text: content,
+                number: values.number || 1,
+            };
+
+             const response = await createLesson({
+                courseId,
+                lessonData,
+            }).unwrap();
+
+            for (const file of draftFiles) {
+                try {
+                    await uploadFile({
+                        lesson_id: response.id,
+                        fileData: file,
+                    }).unwrap();
+                } catch (error) {
+                    console.error(`Error uploading file ${file.name}:`, error);
+                    const errorMessage = error.data?.detail
+                        ? JSON.stringify(error.data.detail, null, 2)
+                        : JSON.stringify(error.data || error.message || "Неизвестная ошибка", null, 2);
+                    notification.error({
+                        title: "Ошибка загрузки файла",
+                        description: `Не удалось загрузить файл ${file.name}: ${errorMessage}`,
+                        placement: "topRight",
+                    });
+                }
+            }
+
+            notification.success({
+                title: "Успех",
+                description: "Лекция успешно создана!",
+                placement: "topRight",
+            });
+
+            handleCancel();
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось создать лекцию",
+                placement: "topRight",
+            });
+        }
+    };
+
+    const joditConfig = useMemo(
+        () => ({
+            readonly: false,
+            height: 150,
+            toolbarAdaptive: false,
+            buttons: [
+                "bold", "italic", "underline", "strikethrough", "|",
+                "superscript", "subscript", "|",
+                "ul", "ol", "outdent", "indent", "|",
+                "font", "fontsize", "brush", "paragraph", "|",
+                "align", "hr", "|",
+                "table", "link", "image", "video", "symbols", "|",
+                "undo", "redo", "cut", "copy", "paste", "selectall", "eraser", "|",
+                "find", "source", "fullsize", "print", "preview",
+            ],
+            autofocus: false,
+            preserveSelection: true,
+            askBeforePasteHTML: false,
+            askBeforePasteFromWord: false,
+            defaultActionOnPaste: "insert_clear_html",
+            spellcheck: true,
+            placeholder: "Заполните содержимое лекционного материала",
+            showCharsCounter: true,
+            showWordsCounter: true,
+            showXPathInStatusbar: false,
+            toolbarSticky: true,
+            toolbarButtonSize: "middle",
+            cleanHTML: {
+                removeEmptyElements: true,
+                replaceNBSP: false,
+            },
+            hotkeys: {
+                "ctrl + shift + f": "find",
+                "ctrl + b": "bold",
+                "ctrl + i": "italic",
+                "ctrl + u": "underline",
+            },
+            image: {
+                editSrc: true,
+                editTitle: true,
+                editAlt: true,
+                openOnDblClick: false,
+            },
+            video: {
+                allowedSources: ["youtube", "vimeo"],
+            },
+            uploader: {
+                insertImageAsBase64URI: true,
+            },
+            paste: {
+                insertAsBase64: true,
+                mimeTypes: ["image/png", "image/jpeg", "image/gif"],
+                maxFileSize: 5 * 1024 * 1024,
+                error: () => {
+                    notification.error({
+                        title: "Ошибка вставки",
+                        description: "Файл слишком большой или неподдерживаемый формат.",
+                        placement: "topRight",
+                    });
+                },
+            },
+        }),
+        []
+    );
+
+    return {
+        isModalOpen,
+        handleCancel,
+        form,
+        joditConfig,
+        editorRef,
+        handleOk,
+        handleAddFile,
+        handleRemoveFile,
+        draftFiles,
+    }
+};
+
+export default useCreateLessonModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/CreateTaskModalForm.jsx b/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/CreateTaskModalForm.jsx
new file mode 100644
index 0000000..114b6a4
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/CreateTaskModalForm.jsx
@@ -0,0 +1,86 @@
+import useCreateTaskModalForm from "./useCreateTaskModalForm.js";
+import {Button, Form, Input, InputNumber, Modal, Upload} from "antd";
+import JoditEditor from "jodit-react";
+import {UploadOutlined} from "@ant-design/icons";
+
+const {TextArea} = Input;
+
+const CreateTaskModalForm = ({courseId}) => {
+    const {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading,
+        handleAddFile,
+        handleRemoveFile,
+        draftFiles,
+    } = useCreateTaskModalForm({courseId});
+
+    return (
+        <Modal
+            title="Создание задания"
+            open={isModalOpen}
+            onCancel={handleCancel}
+            width={1000}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button
+                    key="submit"
+                    type="primary"
+                    loading={isLoading}
+                    onClick={handleOk}
+                >
+                    Создать задание
+                </Button>,
+            ]}
+            destroyOnHidden
+        >
+            <Form form={form} layout="vertical" preserve={false}>
+                <Form.Item
+                    name="title"
+                    label="Название задания"
+                    rules={[{required: true, message: "Введите название задания"}]}
+                >
+                    <Input size="large"/>
+                </Form.Item>
+
+                <Form.Item name="description" label="Краткое описание заачи">
+                    <TextArea rows={2} placeholder="Что нужно будет сделать..."/>
+                </Form.Item>
+
+                <Form.Item name="number" label="Порядковый номер" initialValue={1}>
+                    <InputNumber min={1} style={{width: "100%"}}/>
+                </Form.Item>
+
+                <Form.Item label="Содержание задания">
+                    <div style={{border: "1px solid #d9d9d9", borderRadius: 6}}>
+                        <JoditEditor
+                            ref={editorRef}
+                            config={joditConfig}
+                        />
+                    </div>
+                </Form.Item>
+
+                <Form.Item name="files" label="Прикрепить файлы">
+                    <Upload
+                        fileList={draftFiles}
+                        beforeUpload={(file) => {
+                            handleAddFile(file);
+                            return false;
+                        }}
+                        onRemove={(file) => handleRemoveFile(file)}
+                        multiple
+                    >
+                        <Button icon={<UploadOutlined/>}>Выбрать файлы</Button>
+                    </Upload>
+                </Form.Item>
+            </Form>
+        </Modal>
+    );
+};
+export default CreateTaskModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/useCreateTaskModalForm.js b/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/useCreateTaskModalForm.js
new file mode 100644
index 0000000..d627473
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/CreateTaskModalForm/useCreateTaskModalForm.js
@@ -0,0 +1,178 @@
+import {useDispatch, useSelector} from "react-redux";
+import {Form, notification} from "antd";
+import {useMemo, useRef, useState} from "react";
+import {setOpenModalCreateTask} from "../../../../../Redux/Slices/tasksSlice.js";
+import {useCreateTaskMutation, useUploadFileMutation} from "../../../../../Api/tasksApi.js";
+
+
+const useCreateTaskModalForm = ({courseId}) => {
+    const dispatch = useDispatch();
+    const {
+        openModalCreateTask
+    } = useSelector((state) => state.tasks);
+    const [form] = Form.useForm();
+
+    const [createTask, {isLoading}] = useCreateTaskMutation();
+    const [draftFiles, setDraftFiles] = useState([]);
+    const [uploadFile] = useUploadFileMutation();
+
+    const isModalOpen = openModalCreateTask;
+    const editorRef = useRef(null);
+
+    const handleCancel = () => {
+        form.resetFields();
+        if (editorRef.current) {
+            editorRef.current.value = "";
+        }
+        dispatch(setOpenModalCreateTask(false));
+    };
+
+    const handleAddFile = (file) => {
+        const maxSize = 50 * 1024 * 1024; // 50 мегабайт
+        if (file.size > maxSize) {
+            notification.error({
+                message: "Ошибка вставки",
+                description: "Файл слишком большой.",
+                placement: "topRight",
+            });
+            return false;
+        }
+        setDraftFiles((prev) => [...prev, file]);
+        return false;
+    };
+
+    const handleRemoveFile = (file) => {
+        setDraftFiles((prev) => prev.filter((f) => f.uid !== file.uid));
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+            const content = editorRef.current?.value || "";
+
+            const taskData = {
+                title: values.title,
+                description: values.description || null,
+                text: content,
+                number: values.number || 1,
+            };
+
+             const response = await createTask({
+                courseId,
+                taskData,
+            }).unwrap();
+
+            for (const file of draftFiles) {
+                try {
+                    await uploadFile({
+                        task_id: response.id,
+                        fileData: file,
+                    }).unwrap();
+                } catch (error) {
+                    console.error(`Error uploading file ${file.name}:`, error);
+                    const errorMessage = error.data?.detail
+                        ? JSON.stringify(error.data.detail, null, 2)
+                        : JSON.stringify(error.data || error.message || "Неизвестная ошибка", null, 2);
+                    notification.error({
+                        title: "Ошибка загрузки файла",
+                        description: `Не удалось загрузить файл ${file.name}: ${errorMessage}`,
+                        placement: "topRight",
+                    });
+                }
+            }
+
+            notification.success({
+                title: "Успех",
+                description: "Задание успешно создано!",
+                placement: "topRight",
+            });
+
+            handleCancel();
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось создать задание",
+                placement: "topRight",
+            });
+        }
+    };
+
+    const joditConfig = useMemo(
+        () => ({
+            readonly: false,
+            height: 150,
+            toolbarAdaptive: false,
+            buttons: [
+                "bold", "italic", "underline", "strikethrough", "|",
+                "superscript", "subscript", "|",
+                "ul", "ol", "outdent", "indent", "|",
+                "font", "fontsize", "brush", "paragraph", "|",
+                "align", "hr", "|",
+                "table", "link", "image", "video", "symbols", "|",
+                "undo", "redo", "cut", "copy", "paste", "selectall", "eraser", "|",
+                "find", "source", "fullsize", "print", "preview",
+            ],
+            autofocus: false,
+            preserveSelection: true,
+            askBeforePasteHTML: false,
+            askBeforePasteFromWord: false,
+            defaultActionOnPaste: "insert_clear_html",
+            spellcheck: true,
+            placeholder: "Заполните содержимое задания",
+            showCharsCounter: true,
+            showWordsCounter: true,
+            showXPathInStatusbar: false,
+            toolbarSticky: true,
+            toolbarButtonSize: "middle",
+            cleanHTML: {
+                removeEmptyElements: true,
+                replaceNBSP: false,
+            },
+            hotkeys: {
+                "ctrl + shift + f": "find",
+                "ctrl + b": "bold",
+                "ctrl + i": "italic",
+                "ctrl + u": "underline",
+            },
+            image: {
+                editSrc: true,
+                editTitle: true,
+                editAlt: true,
+                openOnDblClick: false,
+            },
+            video: {
+                allowedSources: ["youtube", "vimeo"],
+            },
+            uploader: {
+                insertImageAsBase64URI: true,
+            },
+            paste: {
+                insertAsBase64: true,
+                mimeTypes: ["image/png", "image/jpeg", "image/gif"],
+                maxFileSize: 5 * 1024 * 1024,
+                error: () => {
+                    notification.error({
+                        title: "Ошибка вставки",
+                        description: "Файл слишком большой или неподдерживаемый формат.",
+                        placement: "topRight",
+                    });
+                },
+            },
+        }),
+        []
+    );
+
+    return {
+        isModalOpen,
+        handleCancel,
+        form,
+        joditConfig,
+        editorRef,
+        handleOk,
+        handleAddFile,
+        handleRemoveFile,
+        draftFiles,
+    }
+};
+
+export default useCreateTaskModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/UpdateLessonModalForm.jsx b/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/UpdateLessonModalForm.jsx
new file mode 100644
index 0000000..a465ad9
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/UpdateLessonModalForm.jsx
@@ -0,0 +1,139 @@
+import useUpdateLessonModalForm from "./useUpdateLessonModalForm.js";
+import {Button, Divider, Form, Input, InputNumber, Modal, Popconfirm, Row, Spin, Upload} from "antd";
+import JoditEditor from "jodit-react";
+import LoadingIndicator from "../../../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
+import {UploadOutlined} from "@ant-design/icons";
+
+const {TextArea} = Input;
+
+const UpdateLessonModalForm = ({courseId}) => {
+    const {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading,
+        initialContent,
+        currentLesson,
+        isFilesLoading,
+        downloadFile,
+        files,
+        downloadingFiles,
+        deletingFiles,
+        deleteFile,
+        draftFiles,
+        handleAddFile,
+        handleRemoveFile,
+    } = useUpdateLessonModalForm({courseId});
+
+    if (isLoading) {
+        return <Modal>
+            <LoadingIndicator/>
+        </Modal>
+    }
+
+    return (
+        <Modal
+            title="Редактирование лекции"
+            open={isModalOpen}
+            onCancel={handleCancel}
+            width={1000}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button
+                    key="submit"
+                    type="primary"
+                    loading={isLoading}
+                    onClick={handleOk}
+                >
+                    Сохранить изменения
+                </Button>,
+            ]}
+            maskClosable={false}
+            keyboard={false}
+        >
+            <Form form={form} layout="vertical">
+                <Form.Item
+                    name="title"
+                    label="Название лекции"
+                    rules={[{ required: true, message: "Введите название лекции" }]}
+                >
+                    <Input size="large" />
+                </Form.Item>
+
+                <Form.Item name="description" label="Краткое описание">
+                    <TextArea rows={2} placeholder="О чём эта лекция..." />
+                </Form.Item>
+
+                <Form.Item name="number" label="Порядковый номер">
+                    <InputNumber min={1} style={{ width: "100%" }} />
+                </Form.Item>
+
+                <Form.Item label="Содержание лекции">
+                    <div style={{ border: "1px solid #d9d9d9", borderRadius: 8, overflow: "hidden" }}>
+                        <JoditEditor
+                            ref={editorRef}
+                            config={joditConfig}
+                        />
+                    </div>
+                </Form.Item>
+
+                {isFilesLoading ? (
+                    <Spin/>
+                ) : files.length > 0 ? (
+                    files.map((file) => (
+                        <Row key={file.id} align="middle" justify="space-between">
+                            <span>{file.filename || "Не указан"}</span>
+                            <div>
+                                <Button
+                                    onClick={() => downloadFile(file.id, file.filename)}
+                                    loading={downloadingFiles[file.id] || false}
+                                    disabled={downloadingFiles[file.id] || deletingFiles[file.id] || false}
+                                    type={"dashed"}
+                                    style={{marginRight: 8}}
+                                >
+                                    {downloadingFiles[file.id] ? "Загрузка..." : "Скачать"}
+                                </Button>
+                                <Popconfirm
+                                    title={"Вы уверены, что хотите удалить файл?"}
+                                    onConfirm={() => deleteFile(file.id, file.filename)}
+                                >
+                                    <Button
+                                        loading={deletingFiles[file.id] || false}
+                                        disabled={deletingFiles[file.id] || downloadingFiles[file.id] || false}
+                                        type={"dashed"}
+                                        danger
+                                    >
+                                        {deletingFiles[file.id] ? "Удаление..." : "Удалить"}
+                                    </Button>
+                                </Popconfirm>
+                            </div>
+                            <Divider/>
+                        </Row>
+                    ))
+                ) : (
+                    <p>Файлы отсутствуют</p>
+                )}
+                <Form.Item name="files" label="Прикрепить файлы">
+                    <Upload
+                        fileList={draftFiles}
+                        beforeUpload={(file) => {
+                            handleAddFile(file);
+                            return false;
+                        }}
+                        onRemove={(file) => handleRemoveFile(file)}
+                        multiple
+                    >
+                        <Button icon={<UploadOutlined/>}>Выбрать файлы</Button>
+                    </Upload>
+                </Form.Item>
+            </Form>
+        </Modal>
+    );
+};
+
+export default UpdateLessonModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/useUpdateLessonModalForm.js b/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/useUpdateLessonModalForm.js
new file mode 100644
index 0000000..ee749cb
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/UpdateLessonModalForm/useUpdateLessonModalForm.js
@@ -0,0 +1,318 @@
+import {useDispatch, useSelector} from "react-redux";
+import {Form, notification} from "antd";
+import {useEffect, useMemo, useRef, useState} from "react";
+import {
+    useDeleteFileMutation,
+    useGetLessonFilesListQuery,
+    useUpdateLessonMutation,
+    useUploadFileMutation
+} from "../../../../../Api/lessonsApi.js";
+import {setSelectedLessonToUpdate} from "../../../../../Redux/Slices/lessonsSlice.js";
+import CONFIG from "../../../../../Core/сonfig.js";
+
+
+const useUpdateLessonModalForm = () => {
+    const dispatch = useDispatch();
+    const [form] = Form.useForm();
+    const editorRef = useRef(null);
+
+    const {selectedLessonToUpdate} = useSelector((state) => state.lessons);
+    const [updateLesson, {isLoading: isLoadingUpdateLesson}] = useUpdateLessonMutation();
+
+    const isModalOpen = selectedLessonToUpdate !== null;
+    const [draftFiles, setDraftFiles] = useState([]);
+    const [uploadFile] = useUploadFileMutation();
+    const [deleteFileMut] = useDeleteFileMutation();
+    const [downloadingFiles, setDownloadingFiles] = useState({});
+    const [deletingFiles, setDeletingFiles] = useState({});
+
+    const {
+        data: currentLessonFiles = [],
+        isLoading: isCurrentLessonFilesLoading,
+        isError: isCurrentLessonFilesError
+    } = useGetLessonFilesListQuery(selectedLessonToUpdate?.id, {
+        skip: !selectedLessonToUpdate?.id
+    });
+
+    const downloadFile = async (fileId, fileName) => {
+        try {
+            setDownloadingFiles((prev) => ({ ...prev, [fileId]: true }));
+
+            const token = localStorage.getItem('access_token');
+            if (!token) {
+                notification.error({
+                    title: "Ошибка",
+                    description: "Токен не найден",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const response = await fetch(`${CONFIG.BASE_URL}/lessons/file/${fileId}/`, {
+                method: 'GET',
+                headers: {
+                    'Authorization': `Bearer ${token}`,
+                },
+            });
+
+
+            if (!response.ok) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const contentType = response.headers.get('content-type');
+            if (!contentType || contentType.includes('text/html')) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            let safeFileName = fileName || "file";
+            if (!safeFileName.match(/\.[a-zA-Z0-9]+$/)) {
+                if (contentType.includes('application/pdf')) {
+                    safeFileName += '.pdf';
+                } else if (contentType.includes('image/jpeg')) {
+                    safeFileName += '.jpg';
+                } else if (contentType.includes('image/png')) {
+                    safeFileName += '.png';
+                } else {
+                    safeFileName += '.bin';
+                }
+            }
+
+            const blob = await response.blob();
+            const downloadUrl = window.URL.createObjectURL(blob);
+            const link = document.createElement("a");
+            link.href = downloadUrl;
+            link.setAttribute("download", safeFileName);
+            document.body.appendChild(link);
+            link.click();
+            link.remove();
+            window.URL.revokeObjectURL(downloadUrl);
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error.message || "Не удалось скачать файл",
+                placement: "topRight",
+            });
+        } finally {
+            setDownloadingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+    const deleteFile = async (fileId, fileName) => {
+        try {
+            setDeletingFiles((prev) => ({...prev, [fileId]: true}));
+            await deleteFileMut(fileId).unwrap();
+            notification.success({
+                title: "Файл удален",
+                description: `Файл ${fileName || "неизвестный"} успешно удален.`,
+                placement: "topRight",
+            });
+        } catch (error) {
+            console.error("Error deleting file:", error);
+            notification.error({
+                title: "Ошибка при удалении файла",
+                description: `Не удалось удалить файл ${fileName || "неизвестный"}: ${error.data?.detail || error.message}`,
+                placement: "topRight",
+            });
+        } finally {
+            setDeletingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+    useEffect(() => {
+        if (selectedLessonToUpdate && isModalOpen) {
+            form.setFieldsValue({
+                title: selectedLessonToUpdate.title || "",
+                description: selectedLessonToUpdate.description || "",
+                number: selectedLessonToUpdate.number || 1,
+            });
+
+            setTimeout(() => {
+                if (editorRef.current) {
+                    editorRef.current.value = selectedLessonToUpdate.text || "";
+                }
+            }, 0);
+        }
+    }, [selectedLessonToUpdate, isModalOpen, form]);
+
+    const handleCancel = () => {
+        form.resetFields();
+        if (editorRef.current) {
+            editorRef.current.value = "";
+        }
+        dispatch(setSelectedLessonToUpdate(null));
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+            const content = editorRef.current?.value || "";
+
+            const lessonData = {
+                title: values.title,
+                description: values.description || null,
+                text: content,
+                number: values.number,
+            };
+
+            await updateLesson({
+                lessonId: selectedLessonToUpdate.id,
+                lessonData,
+            }).unwrap();
+
+            for (const file of draftFiles) {
+                try {
+                    await uploadFile({
+                        lesson_id: selectedLessonToUpdate.id,
+                        fileData: file,
+                    }).unwrap();
+                } catch (error) {
+                    console.error(`Error uploading file ${file.name}:`, error);
+                    const errorMessage = error.data?.detail
+                        ? JSON.stringify(error.data.detail, null, 2)
+                        : JSON.stringify(error.data || error.message || "Неизвестная ошибка", null, 2);
+                    notification.error({
+                        title: "Ошибка загрузки файла",
+                        description: `Не удалось загрузить файл ${file.name}: ${errorMessage}`,
+                        placement: "topRight",
+                    });
+                }
+            }
+
+            setDraftFiles([]);
+
+            notification.success({
+                title: "Успех",
+                description: "Лекция успешно обновлена!",
+            });
+
+            handleCancel();
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось обновить лекцию",
+            });
+        }
+    };
+
+    const joditConfig = useMemo(
+        () => ({
+            readonly: false,
+            height: 150,
+            toolbarAdaptive: false,
+            buttons: [
+                "bold", "italic", "underline", "strikethrough", "|",
+                "superscript", "subscript", "|",
+                "ul", "ol", "outdent", "indent", "|",
+                "font", "fontsize", "brush", "paragraph", "|",
+                "align", "hr", "|",
+                "table", "link", "image", "video", "symbols", "|",
+                "undo", "redo", "cut", "copy", "paste", "selectall", "eraser", "|",
+                "find", "source", "fullsize", "print", "preview",
+            ],
+            autofocus: false,
+            preserveSelection: true,
+            askBeforePasteHTML: false,
+            askBeforePasteFromWord: false,
+            defaultActionOnPaste: "insert_clear_html",
+            spellcheck: true,
+            placeholder: "Заполните содержимое лекционного материала",
+            showCharsCounter: true,
+            showWordsCounter: true,
+            showXPathInStatusbar: false,
+            toolbarSticky: true,
+            toolbarButtonSize: "middle",
+            cleanHTML: {
+                removeEmptyElements: true,
+                replaceNBSP: false,
+            },
+            hotkeys: {
+                "ctrl + shift + f": "find",
+                "ctrl + b": "bold",
+                "ctrl + i": "italic",
+                "ctrl + u": "underline",
+            },
+            image: {
+                editSrc: true,
+                editTitle: true,
+                editAlt: true,
+                openOnDblClick: false,
+            },
+            video: {
+                allowedSources: ["youtube", "vimeo"],
+            },
+            uploader: {
+                insertImageAsBase64URI: true,
+            },
+            paste: {
+                insertAsBase64: true,
+                mimeTypes: ["image/png", "image/jpeg", "image/gif"],
+                maxFileSize: 5 * 1024 * 1024,
+                error: () => {
+                    notification.error({
+                        title: "Ошибка вставки",
+                        description: "Файл слишком большой или неподдерживаемый формат.",
+                        placement: "topRight",
+                    });
+                },
+            },
+        }),
+        []
+    );
+
+    const handleAddFile = (file) => {
+        const maxSize = 50 * 1024 * 1024; // 50 мегабайт
+        if (file.size > maxSize) {
+            notification.error({
+                message: "Ошибка вставки",
+                description: "Файл слишком большой.",
+                placement: "topRight",
+            });
+            return false;
+        }
+        setDraftFiles((prev) => [...prev, file]);
+        return false;
+    };
+
+    const handleRemoveFile = (file) => {
+        setDraftFiles((prev) => prev.filter((f) => f.uid !== file.uid));
+    };
+
+    const initialContent = selectedLessonToUpdate?.text || "";
+
+    return {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading: isLoadingUpdateLesson,
+        initialContent,
+        currentLesson: selectedLessonToUpdate,
+        currentLessonFiles,
+        isFilesLoading: isCurrentLessonFilesLoading,
+        downloadFile,
+        files: currentLessonFiles,
+        downloadingFiles,
+        deletingFiles,
+        deleteFile,
+        draftFiles,
+        handleAddFile,
+        handleRemoveFile,
+    };
+};
+
+export default useUpdateLessonModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/UpdateTaskModalForm.jsx b/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/UpdateTaskModalForm.jsx
new file mode 100644
index 0000000..2b6289b
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/UpdateTaskModalForm.jsx
@@ -0,0 +1,139 @@
+import useUpdateTaskModalForm from "./useUpdateTaskModalForm.js";
+import {Button, Divider, Form, Input, InputNumber, Modal, Popconfirm, Row, Spin, Upload} from "antd";
+import JoditEditor from "jodit-react";
+import LoadingIndicator from "../../../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
+import {UploadOutlined} from "@ant-design/icons";
+
+const {TextArea} = Input;
+
+const UpdateTaskModalForm = ({courseId}) => {
+    const {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading,
+        initialContent,
+        currentLesson,
+        isFilesLoading,
+        downloadFile,
+        files,
+        downloadingFiles,
+        deletingFiles,
+        deleteFile,
+        draftFiles,
+        handleAddFile,
+        handleRemoveFile,
+    } = useUpdateTaskModalForm({courseId});
+
+    if (isLoading) {
+        return <Modal>
+            <LoadingIndicator/>
+        </Modal>
+    }
+
+    return (
+        <Modal
+            title="Редактирование задания"
+            open={isModalOpen}
+            onCancel={handleCancel}
+            width={1000}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button
+                    key="submit"
+                    type="primary"
+                    loading={isLoading}
+                    onClick={handleOk}
+                >
+                    Сохранить изменения
+                </Button>,
+            ]}
+            maskClosable={false}
+            keyboard={false}
+        >
+            <Form form={form} layout="vertical">
+                <Form.Item
+                    name="title"
+                    label="Название задания"
+                    rules={[{required: true, message: "Введите название задания"}]}
+                >
+                    <Input size="large"/>
+                </Form.Item>
+
+                <Form.Item name="description" label="Краткое описание заачи">
+                    <TextArea rows={2} placeholder="Что нужно будет сделать..."/>
+                </Form.Item>
+
+                <Form.Item name="number" label="Порядковый номер" initialValue={1}>
+                    <InputNumber min={1} style={{width: "100%"}}/>
+                </Form.Item>
+
+                <Form.Item label="Содержание задания">
+                    <div style={{border: "1px solid #d9d9d9", borderRadius: 6}}>
+                        <JoditEditor
+                            ref={editorRef}
+                            config={joditConfig}
+                        />
+                    </div>
+                </Form.Item>
+
+                {isFilesLoading ? (
+                    <Spin/>
+                ) : files.length > 0 ? (
+                    files.map((file) => (
+                        <Row key={file.id} align="middle" justify="space-between">
+                            <span>{file.filename || "Не указан"}</span>
+                            <div>
+                                <Button
+                                    onClick={() => downloadFile(file.id, file.filename)}
+                                    loading={downloadingFiles[file.id] || false}
+                                    disabled={downloadingFiles[file.id] || deletingFiles[file.id] || false}
+                                    type={"dashed"}
+                                    style={{marginRight: 8}}
+                                >
+                                    {downloadingFiles[file.id] ? "Загрузка..." : "Скачать"}
+                                </Button>
+                                <Popconfirm
+                                    title={"Вы уверены, что хотите удалить файл?"}
+                                    onConfirm={() => deleteFile(file.id, file.filename)}
+                                >
+                                    <Button
+                                        loading={deletingFiles[file.id] || false}
+                                        disabled={deletingFiles[file.id] || downloadingFiles[file.id] || false}
+                                        type={"dashed"}
+                                        danger
+                                    >
+                                        {deletingFiles[file.id] ? "Удаление..." : "Удалить"}
+                                    </Button>
+                                </Popconfirm>
+                            </div>
+                            <Divider/>
+                        </Row>
+                    ))
+                ) : (
+                    <p>Файлы отсутствуют</p>
+                )}
+                <Form.Item name="files" label="Прикрепить файлы">
+                    <Upload
+                        fileList={draftFiles}
+                        beforeUpload={(file) => {
+                            handleAddFile(file);
+                            return false;
+                        }}
+                        onRemove={(file) => handleRemoveFile(file)}
+                        multiple
+                    >
+                        <Button icon={<UploadOutlined/>}>Выбрать файлы</Button>
+                    </Upload>
+                </Form.Item>
+            </Form>
+        </Modal>
+    );
+};
+
+export default UpdateTaskModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/useUpdateTaskModalForm.js b/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/useUpdateTaskModalForm.js
new file mode 100644
index 0000000..feed2f7
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/UpdateTaskModalForm/useUpdateTaskModalForm.js
@@ -0,0 +1,318 @@
+import {useDispatch, useSelector} from "react-redux";
+import {Form, notification} from "antd";
+import {useEffect, useMemo, useRef, useState} from "react";
+import CONFIG from "../../../../../Core/сonfig.js";
+import {
+    useDeleteFileMutation,
+    useGetTaskFilesListQuery,
+    useUpdateTaskMutation,
+    useUploadFileMutation
+} from "../../../../../Api/tasksApi.js";
+import {setSelectedTaskToUpdate} from "../../../../../Redux/Slices/tasksSlice.js";
+
+
+const useUpdateTaskModalForm = () => {
+    const dispatch = useDispatch();
+    const [form] = Form.useForm();
+    const editorRef = useRef(null);
+
+    const {selectedTaskToUpdate} = useSelector((state) => state.tasks);
+    const [updateTask, {isLoading: isLoadingUpdateTask}] = useUpdateTaskMutation();
+
+    const isModalOpen = selectedTaskToUpdate !== null;
+    const [draftFiles, setDraftFiles] = useState([]);
+    const [uploadFile] = useUploadFileMutation();
+    const [deleteFileMut] = useDeleteFileMutation();
+    const [downloadingFiles, setDownloadingFiles] = useState({});
+    const [deletingFiles, setDeletingFiles] = useState({});
+
+    const {
+        data: currentTaskFiles = [],
+        isLoading: isCurrentTaskFilesLoading,
+        isError: isCurrentTaskFilesError
+    } = useGetTaskFilesListQuery(selectedTaskToUpdate?.id, {
+        skip: !selectedTaskToUpdate?.id
+    });
+
+    const downloadFile = async (fileId, fileName) => {
+        try {
+            setDownloadingFiles((prev) => ({ ...prev, [fileId]: true }));
+
+            const token = localStorage.getItem('access_token');
+            if (!token) {
+                notification.error({
+                    title: "Ошибка",
+                    description: "Токен не найден",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const response = await fetch(`${CONFIG.BASE_URL}/tasks/file/${fileId}/`, {
+                method: 'GET',
+                headers: {
+                    'Authorization': `Bearer ${token}`,
+                },
+            });
+
+
+            if (!response.ok) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const contentType = response.headers.get('content-type');
+            if (!contentType || contentType.includes('text/html')) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            let safeFileName = fileName || "file";
+            if (!safeFileName.match(/\.[a-zA-Z0-9]+$/)) {
+                if (contentType.includes('application/pdf')) {
+                    safeFileName += '.pdf';
+                } else if (contentType.includes('image/jpeg')) {
+                    safeFileName += '.jpg';
+                } else if (contentType.includes('image/png')) {
+                    safeFileName += '.png';
+                } else {
+                    safeFileName += '.bin';
+                }
+            }
+
+            const blob = await response.blob();
+            const downloadUrl = window.URL.createObjectURL(blob);
+            const link = document.createElement("a");
+            link.href = downloadUrl;
+            link.setAttribute("download", safeFileName);
+            document.body.appendChild(link);
+            link.click();
+            link.remove();
+            window.URL.revokeObjectURL(downloadUrl);
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error.message || "Не удалось скачать файл",
+                placement: "topRight",
+            });
+        } finally {
+            setDownloadingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+    const deleteFile = async (fileId, fileName) => {
+        try {
+            setDeletingFiles((prev) => ({...prev, [fileId]: true}));
+            await deleteFileMut(fileId).unwrap();
+            notification.success({
+                title: "Файл удален",
+                description: `Файл ${fileName || "неизвестный"} успешно удален.`,
+                placement: "topRight",
+            });
+        } catch (error) {
+            console.error("Error deleting file:", error);
+            notification.error({
+                title: "Ошибка при удалении файла",
+                description: `Не удалось удалить файл ${fileName || "неизвестный"}: ${error.data?.detail || error.message}`,
+                placement: "topRight",
+            });
+        } finally {
+            setDeletingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+    useEffect(() => {
+        if (selectedTaskToUpdate && isModalOpen) {
+            form.setFieldsValue({
+                title: selectedTaskToUpdate.title || "",
+                description: selectedTaskToUpdate.description || "",
+                number: selectedTaskToUpdate.number || 1,
+            });
+
+            setTimeout(() => {
+                if (editorRef.current) {
+                    editorRef.current.value = selectedTaskToUpdate.text || "";
+                }
+            }, 0);
+        }
+    }, [selectedTaskToUpdate, isModalOpen, form]);
+
+    const handleCancel = () => {
+        form.resetFields();
+        if (editorRef.current) {
+            editorRef.current.value = "";
+        }
+        dispatch(setSelectedTaskToUpdate(null));
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+            const content = editorRef.current?.value || "";
+
+            const taskData = {
+                title: values.title,
+                description: values.description || null,
+                text: content,
+                number: values.number,
+            };
+
+            await updateTask({
+                taskId: selectedTaskToUpdate.id,
+                taskData,
+            }).unwrap();
+
+            for (const file of draftFiles) {
+                try {
+                    await uploadFile({
+                        task_id: selectedTaskToUpdate.id,
+                        fileData: file,
+                    }).unwrap();
+                } catch (error) {
+                    console.error(`Error uploading file ${file.name}:`, error);
+                    const errorMessage = error.data?.detail
+                        ? JSON.stringify(error.data.detail, null, 2)
+                        : JSON.stringify(error.data || error.message || "Неизвестная ошибка", null, 2);
+                    notification.error({
+                        title: "Ошибка загрузки файла",
+                        description: `Не удалось загрузить файл ${file.name}: ${errorMessage}`,
+                        placement: "topRight",
+                    });
+                }
+            }
+
+            setDraftFiles([]);
+
+            notification.success({
+                title: "Успех",
+                description: "Лекция успешно обновлена!",
+            });
+
+            handleCancel();
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось обновить лекцию",
+            });
+        }
+    };
+
+    const joditConfig = useMemo(
+        () => ({
+            readonly: false,
+            height: 150,
+            toolbarAdaptive: false,
+            buttons: [
+                "bold", "italic", "underline", "strikethrough", "|",
+                "superscript", "subscript", "|",
+                "ul", "ol", "outdent", "indent", "|",
+                "font", "fontsize", "brush", "paragraph", "|",
+                "align", "hr", "|",
+                "table", "link", "image", "video", "symbols", "|",
+                "undo", "redo", "cut", "copy", "paste", "selectall", "eraser", "|",
+                "find", "source", "fullsize", "print", "preview",
+            ],
+            autofocus: false,
+            preserveSelection: true,
+            askBeforePasteHTML: false,
+            askBeforePasteFromWord: false,
+            defaultActionOnPaste: "insert_clear_html",
+            spellcheck: true,
+            placeholder: "Заполните содержимое лекционного материала",
+            showCharsCounter: true,
+            showWordsCounter: true,
+            showXPathInStatusbar: false,
+            toolbarSticky: true,
+            toolbarButtonSize: "middle",
+            cleanHTML: {
+                removeEmptyElements: true,
+                replaceNBSP: false,
+            },
+            hotkeys: {
+                "ctrl + shift + f": "find",
+                "ctrl + b": "bold",
+                "ctrl + i": "italic",
+                "ctrl + u": "underline",
+            },
+            image: {
+                editSrc: true,
+                editTitle: true,
+                editAlt: true,
+                openOnDblClick: false,
+            },
+            video: {
+                allowedSources: ["youtube", "vimeo"],
+            },
+            uploader: {
+                insertImageAsBase64URI: true,
+            },
+            paste: {
+                insertAsBase64: true,
+                mimeTypes: ["image/png", "image/jpeg", "image/gif"],
+                maxFileSize: 5 * 1024 * 1024,
+                error: () => {
+                    notification.error({
+                        title: "Ошибка вставки",
+                        description: "Файл слишком большой или неподдерживаемый формат.",
+                        placement: "topRight",
+                    });
+                },
+            },
+        }),
+        []
+    );
+
+    const handleAddFile = (file) => {
+        const maxSize = 50 * 1024 * 1024; // 50 мегабайт
+        if (file.size > maxSize) {
+            notification.error({
+                message: "Ошибка вставки",
+                description: "Файл слишком большой.",
+                placement: "topRight",
+            });
+            return false;
+        }
+        setDraftFiles((prev) => [...prev, file]);
+        return false;
+    };
+
+    const handleRemoveFile = (file) => {
+        setDraftFiles((prev) => prev.filter((f) => f.uid !== file.uid));
+    };
+
+    const initialContent = selectedTaskToUpdate?.text || "";
+
+    return {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        joditConfig,
+        editorRef,
+        isLoading: isLoadingUpdateTask,
+        initialContent,
+        currenttask: selectedTaskToUpdate,
+        currentTaskFiles,
+        isFilesLoading: isCurrentTaskFilesLoading,
+        downloadFile,
+        files: currentTaskFiles,
+        downloadingFiles,
+        deletingFiles,
+        deleteFile,
+        draftFiles,
+        handleAddFile,
+        handleRemoveFile,
+    };
+};
+
+export default useUpdateTaskModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/ViewLessonModal.jsx b/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/ViewLessonModal.jsx
new file mode 100644
index 0000000..fab86ba
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/ViewLessonModal.jsx
@@ -0,0 +1,114 @@
+import useViewLessonModal from "./useViewLessonModal.js";
+import {Avatar, Button, Col, Divider, Modal, Popconfirm, Row, Space, Spin, Typography} from "antd";
+import {CloseOutlined, UserOutlined} from "@ant-design/icons";
+
+
+const {Title, Text, Paragraph} = Typography;
+
+const ViewLessonModal = () => {
+    const {
+        selectedLessonToView,
+        modalIsOpen,
+        handleClose,
+        currentLessonFiles,
+        isCurrentLessonFilesLoading,
+        isCurrentLessonFilesError,
+        downloadFile,
+        downloadingFiles
+    } = useViewLessonModal();
+
+    return (
+        <Modal
+            open={modalIsOpen}
+            onCancel={handleClose}
+            footer={null}
+            width={1000}
+            closeIcon={<CloseOutlined style={{fontSize: 20}}/>}
+            title={null}
+            centered
+            destroyOnHidden
+        >
+            <Space align="start" style={{marginBottom: 16}}>
+                <Col>
+                    <Title level={2} style={{margin: 0, flex: 1}}>
+                        {selectedLessonToView?.title}
+                    </Title>
+                    <Avatar
+                        size="small"
+                        icon={<UserOutlined/>}
+                        style={{backgroundColor: "#1890ff"}}
+                    >
+                        {selectedLessonToView?.creator?.first_name?.[0] || "У"}
+                    </Avatar>
+                    <Text type="secondary">
+                        Создал: <strong>{selectedLessonToView?.creator?.first_name} {selectedLessonToView?.creator?.last_name}</strong>
+                        {selectedLessonToView?.creator?.patronymic && ` ${selectedLessonToView?.creator.patronymic}`}
+                    </Text>
+                </Col>
+
+            </Space>
+
+            {selectedLessonToView?.description && (
+                <>
+                    <Title level={4} style={{margin: "16px 0 8px"}}>
+                        Описание
+                    </Title>
+                    <Paragraph type="secondary" style={{fontSize: 16, marginBottom: 24}}>
+                        {selectedLessonToView?.description}
+                    </Paragraph>
+                    <Divider style={{margin: "24px 0"}}/>
+                </>
+            )}
+
+            {selectedLessonToView?.text ? (
+                <div
+                    className="lesson-content"
+                    dangerouslySetInnerHTML={{__html: selectedLessonToView?.text}}
+                    style={{
+                        fontSize: "16px",
+                        lineHeight: "1.7",
+                        color: "#333",
+                    }}
+                />
+            ) : (
+                <Paragraph italic type="secondary">
+                    Текстовый материал отсутствует
+                </Paragraph>
+            )}
+
+            <Divider/>
+            <Title level={3}>Прикрепленные файлы</Title>
+            {isCurrentLessonFilesLoading ? (
+                <Spin/>
+            ) : currentLessonFiles.length > 0 ? (
+                currentLessonFiles.map((file) => (
+                    <Row key={file.id} align="middle" justify="space-between">
+                        <span>{file.filename || "Не указан"}</span>
+                        <div>
+                            <Button
+                                onClick={() => downloadFile(file.id, file.filename)}
+                                loading={downloadingFiles[file.id] || false}
+                                disabled={downloadingFiles[file.id] || false}
+                                type={"dashed"}
+                                style={{marginRight: 8}}
+                            >
+                                {downloadingFiles[file.id] ? "Загрузка..." : "Скачать"}
+                            </Button>
+                        </div>
+                        <Divider/>
+                    </Row>
+                ))
+            ) : (
+                <p>Файлы отсутствуют</p>
+            )}
+
+            <div style={{textAlign: "right"}}>
+                <Button onClick={handleClose}>
+                    Закрыть
+                </Button>
+            </div>
+        </Modal>
+    );
+};
+
+export default ViewLessonModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/useViewLessonModal.js b/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/useViewLessonModal.js
new file mode 100644
index 0000000..18557b1
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/ViewLessonModalForm/useViewLessonModal.js
@@ -0,0 +1,121 @@
+import {useDispatch, useSelector} from "react-redux";
+import {setSelectedLessonToView} from "../../../../../Redux/Slices/lessonsSlice.js";
+import {useGetLessonFilesListQuery} from "../../../../../Api/lessonsApi.js";
+import {notification} from "antd";
+import CONFIG from "../../../../../Core/сonfig.js";
+import {useState} from "react";
+
+
+const useViewLessonModal = () => {
+    const dispatch = useDispatch();
+
+    const {
+        selectedLessonToView
+    } = useSelector((state) => state.lessons);
+
+    const modalIsOpen = selectedLessonToView !== null;
+
+    const handleClose = () => {
+        dispatch(setSelectedLessonToView(null));
+    };
+
+    const {
+        data: currentLessonFiles = [],
+        isLoading: isCurrentLessonFilesLoading,
+        isError: isCurrentLessonFilesError
+    } = useGetLessonFilesListQuery(selectedLessonToView?.id, {
+        skip: !selectedLessonToView?.id
+    });
+
+    const [downloadingFiles, setDownloadingFiles] = useState({});
+
+    const downloadFile = async (fileId, fileName) => {
+        try {
+            setDownloadingFiles((prev) => ({ ...prev, [fileId]: true }));
+
+            const token = localStorage.getItem('access_token');
+            if (!token) {
+                notification.error({
+                    title: "Ошибка",
+                    description: "Токен не найден",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const response = await fetch(`${CONFIG.BASE_URL}/lessons/file/${fileId}/`, {
+                method: 'GET',
+                headers: {
+                    'Authorization': `Bearer ${token}`,
+                },
+            });
+
+
+            if (!response.ok) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            const contentType = response.headers.get('content-type');
+            if (!contentType || contentType.includes('text/html')) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            let safeFileName = fileName || "file";
+            if (!safeFileName.match(/\.[a-zA-Z0-9]+$/)) {
+                if (contentType.includes('application/pdf')) {
+                    safeFileName += '.pdf';
+                } else if (contentType.includes('image/jpeg')) {
+                    safeFileName += '.jpg';
+                } else if (contentType.includes('image/png')) {
+                    safeFileName += '.png';
+                } else {
+                    safeFileName += '.bin';
+                }
+            }
+
+            const blob = await response.blob();
+            const downloadUrl = window.URL.createObjectURL(blob);
+            const link = document.createElement("a");
+            link.href = downloadUrl;
+            link.setAttribute("download", safeFileName);
+            document.body.appendChild(link);
+            link.click();
+            link.remove();
+            window.URL.revokeObjectURL(downloadUrl);
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error.message || "Не удалось скачать файл",
+                placement: "topRight",
+            });
+        } finally {
+            setDownloadingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+
+    return {
+        selectedLessonToView,
+        modalIsOpen,
+        handleClose,
+        currentLessonFiles,
+        isCurrentLessonFilesLoading,
+        isCurrentLessonFilesError,
+        downloadFile,
+        downloadingFiles
+    }
+};
+
+export default useViewLessonModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/ViewTaskModal.jsx b/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/ViewTaskModal.jsx
new file mode 100644
index 0000000..545949c
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/ViewTaskModal.jsx
@@ -0,0 +1,556 @@
+import {
+    Avatar,
+    Button,
+    Col, Collapse,
+    Divider,
+    Empty, Flex,
+    Form, Input, InputNumber, List,
+    Modal,
+    Popconfirm,
+    Row,
+    Space,
+    Spin,
+    Tag,
+    Typography,
+    Upload
+} from "antd";
+import {
+    CloseOutlined, DeleteOutlined,
+    DownloadOutlined,
+    FileOutlined,
+    PlusOutlined,
+    UploadOutlined,
+    UserOutlined
+} from "@ant-design/icons";
+import useViewTaskModal from "./useTaskLessonModal.js";
+import {ROLES} from "../../../../../Core/constants.js";
+import JoditEditor from "jodit-react";
+
+const {Panel} = Collapse;
+const {Title, Text, Paragraph} = Typography;
+
+const ViewTaskModal = () => {
+    const {
+        selectedTaskToView,
+        modalIsOpen,
+        handleClose,
+        currentTaskFiles,
+        isCurrentTaskFilesLoading,
+        isCurrentTaskFilesError,
+        downloadFile,
+        downloadingFiles,
+        currentUser,
+        mySolutions,
+        editorRef,
+        joditConfig,
+        handleAddFile,
+        handleRemoveFile,
+        handleOk,
+        draftFiles,
+        handleDeleSolution,
+        allSolutions,
+        onAssessmentFinish,
+        assessmentForm,
+        onCommentSubmit,
+        commentForm
+    } = useViewTaskModal();
+
+    return (
+        <Modal
+            open={modalIsOpen}
+            onCancel={handleClose}
+            footer={null}
+            width={1000}
+            closeIcon={<CloseOutlined style={{fontSize: 20}}/>}
+            title={null}
+            centered
+            destroyOnHidden
+        >
+            <Space align="start" style={{marginBottom: 16}}>
+                <Col>
+                    <Title level={2} style={{margin: 0, flex: 1}}>
+                        {selectedTaskToView?.title}
+                    </Title>
+                    <Avatar
+                        size="small"
+                        icon={<UserOutlined/>}
+                        style={{backgroundColor: "#1890ff"}}
+                    >
+                        {selectedTaskToView?.creator?.first_name?.[0] || "У"}
+                    </Avatar>
+                    <Text type="secondary">
+                        Создал: <strong>{selectedTaskToView?.creator?.first_name} {selectedTaskToView?.creator?.last_name}</strong>
+                        {selectedTaskToView?.creator?.patronymic && ` ${selectedTaskToView?.creator.patronymic}`}
+                    </Text>
+                </Col>
+
+            </Space>
+
+            {selectedTaskToView?.description && (
+                <>
+                    <Title level={4} style={{margin: "16px 0 8px"}}>
+                        Описание
+                    </Title>
+                    <Paragraph type="secondary" style={{fontSize: 16, marginBottom: 24}}>
+                        {selectedTaskToView?.description}
+                    </Paragraph>
+                    <Divider style={{margin: "24px 0"}}/>
+                </>
+            )}
+
+            {selectedTaskToView?.text ? (
+                <div
+                    className="Task-content"
+                    dangerouslySetInnerHTML={{__html: selectedTaskToView?.text}}
+                    style={{
+                        fontSize: "16px",
+                        lineHeight: "1.7",
+                        color: "#333",
+                    }}
+                />
+            ) : (
+                <Paragraph italic type="secondary">
+                    Текстовый материал отсутствует
+                </Paragraph>
+            )}
+
+            <Divider/>
+            <Title level={3}>Прикрепленные файлы</Title>
+            {isCurrentTaskFilesLoading ? (
+                <Spin/>
+            ) : currentTaskFiles.length > 0 ? (
+                currentTaskFiles.map((file) => (
+                    <Row key={file.id} align="middle" justify="space-between">
+                        <span>{file.filename || "Не указан"}</span>
+                        <div>
+                            <Button
+                                onClick={() => downloadFile(file.id, file.filename)}
+                                loading={downloadingFiles[file.id] || false}
+                                disabled={downloadingFiles[file.id] || false}
+                                type={"dashed"}
+                                style={{marginRight: 8}}
+                            >
+                                {downloadingFiles[file.id] ? "Загрузка..." : "Скачать"}
+                            </Button>
+                        </div>
+                        <Divider/>
+                    </Row>
+                ))
+            ) : (
+                <p>Файлы отсутствуют</p>
+            )}
+
+            {currentUser?.role?.title === ROLES.STUDENT ? (
+                <Col>
+                    <Title level={3}>Ваши решения</Title>
+                    {mySolutions.length > 0 ? (
+                        <Collapse accordion>
+                            {mySolutions.map((solution) => (
+                                <Panel
+                                    key={solution.id}
+                                    header={
+                                        <Flex justify="space-between" align="center">
+                                            <Text strong>Решение
+                                                от {new Date(solution.created_at).toLocaleString("ru-RU")}</Text>
+                                            {solution.assessment !== null ? (
+                                                <Tag
+                                                    color={solution.assessment >= 80 ? "green" : solution.assessment >= 60 ? "orange" : "red"}>
+                                                    Оценка: {solution.assessment} / 100
+                                                </Tag>
+                                            ) : (
+                                                <Tag color="blue">На проверке</Tag>
+                                            )}
+
+                                            <Popconfirm
+                                                title={`Удалить ответ на задание?`}
+                                                description="Это действие нельзя отменить"
+                                                onConfirm={(e) => {
+                                                    handleDeleSolution(solution.id)
+                                                }}
+                                                okText="Удалить"
+                                                cancelText="Отмена"
+                                            >
+                                                <Button
+                                                    type="text"
+                                                    danger
+                                                    icon={<DeleteOutlined/>}
+                                                />
+                                            </Popconfirm>
+                                        </Flex>
+                                    }
+                                    extra={
+                                        solution.assessment !== null && (
+                                            <Tag color="purple">
+                                                Проверено: {solution.assessment_autor?.first_name} {solution.assessment_autor?.last_name}
+                                            </Tag>
+                                        )
+                                    }
+                                >
+                                    <div style={{marginBottom: 16}}>
+                                        <Text strong>Ответ:</Text>
+                                        <div
+                                            style={{
+                                                background: "#f9f9f9",
+                                                padding: 16,
+                                                borderRadius: 8,
+                                                margin: "12px 0",
+                                                border: "1px solid #f0f0f0",
+                                                minHeight: 60,
+                                            }}
+                                            dangerouslySetInnerHTML={{__html: solution.answer_text || "<em>Текст ответа отсутствует</em>"}}
+                                        />
+                                    </div>
+
+                                    {solution.files && solution.files.length > 0 ? (
+                                        <div>
+                                            <Text strong>Прикреплённые файлы:</Text>
+                                            <div style={{
+                                                marginTop: 8,
+                                                display: "flex",
+                                                flexDirection: "column",
+                                                gap: 8
+                                            }}>
+                                                {solution.files.map((file) => (
+                                                    <Button
+                                                        key={file.id}
+                                                        type="dashed"
+                                                        icon={<FileOutlined/>}
+                                                        style={{textAlign: "left"}}
+                                                        onClick={() => downloadFile(file.id, file.filename)}
+                                                        loading={downloadingFiles[file.id]}
+                                                    >
+                                                          <span style={{marginLeft: 8}}>
+                                                            {file.filename}
+                                                          </span>
+                                                        <DownloadOutlined style={{marginLeft: 8, color: "#1890ff"}}/>
+                                                    </Button>
+                                                ))}
+                                            </div>
+                                        </div>
+                                    ) : (
+                                        <Text type="secondary">Файлы не прикреплены</Text>
+                                    )}
+                                    <div style={{ marginTop: 32 }}>
+                                        <Title level={4}>Комментарии к решению</Title>
+
+                                        <div
+                                            style={{
+                                                maxHeight: 400,
+                                                overflowY: "auto",
+                                                padding: "8px 0",
+                                                border: "1px solid #f0f0f0",
+                                                borderRadius: 8,
+                                                background: "#fafafa",
+                                            }}
+                                        >
+                                            {solution.solution_comments && solution.solution_comments.length > 0 ? (
+                                                <List
+                                                    dataSource={solution.solution_comments}
+                                                    renderItem={(comment) => (
+                                                        <List.Item style={{ padding: "12px 16px", borderBottom: "1px solid #f0f0f0" }}>
+                                                            <List.Item.Meta
+                                                                avatar={
+                                                                    <Avatar style={{ backgroundColor: "#1890ff" }}>
+                                                                        {comment.comment_autor.first_name[0]}
+                                                                        {comment.comment_autor.last_name[0]}
+                                                                    </Avatar>
+                                                                }
+                                                                title={
+                                                                    <Space>
+                                                                        <Text strong>
+                                                                            {comment.comment_autor.first_name} {comment.comment_autor.last_name}
+                                                                        </Text>
+                                                                        {comment.comment_autor.role?.title === "teacher" && (
+                                                                            <Tag color="gold" size="small">Преподаватель</Tag>
+                                                                        )}
+                                                                    </Space>
+                                                                }
+                                                                description={
+                                                                    <Text type="secondary" style={{ fontSize: 12 }}>
+                                                                        {new Date(comment.created_at || Date.now()).toLocaleString("ru-RU")}
+                                                                    </Text>
+                                                                }
+                                                            />
+                                                            <div
+                                                                style={{
+                                                                    marginTop: 8,
+                                                                    paddingLeft: 56,
+                                                                    whiteSpace: "pre-wrap",
+                                                                    wordBreak: "break-word",
+                                                                }}
+                                                                dangerouslySetInnerHTML={{ __html: comment.comment_text}}
+                                                            />
+                                                        </List.Item>
+                                                    )}
+                                                />
+                                            ) : (
+                                                <Empty
+                                                    image={Empty.PRESENTED_IMAGE_SIMPLE}
+                                                    description="Пока нет комментариев"
+                                                    style={{ margin: "20px 0" }}
+                                                />
+                                            )}
+                                        </div>
+
+                                        <Form
+                                            onFinish={(values) => onCommentSubmit(solution.id, values.comment)}
+                                            style={{ marginTop: 16 }}
+                                            form={commentForm}
+                                        >
+                                            <Form.Item
+                                                name="comment"
+                                                rules={[{ required: true, message: "Напишите комментарий" }]}
+                                            >
+                                                <Input.TextArea
+                                                    rows={3}
+                                                    placeholder="Напишите комментарий к решению..."
+                                                    allowClear
+                                                />
+                                            </Form.Item>
+
+                                            <Form.Item style={{ marginBottom: 0 }}>
+                                                <Button type="primary" htmlType="submit">
+                                                    Отправить комментарий
+                                                </Button>
+                                            </Form.Item>
+                                        </Form>
+                                    </div>
+                                </Panel>
+                            ))}
+                        </Collapse>
+                    ) : (
+                        <Empty
+                            image={Empty.PRESENTED_IMAGE_SIMPLE}
+                            description="Решений пока нет"
+                        />
+                    )}
+                    <Title level={3}>Добавить решение</Title>
+                    <div style={{border: "1px solid #d9d9d9", borderRadius: 8, overflow: "hidden"}}>
+                        <JoditEditor
+                            ref={editorRef}
+                            config={joditConfig}
+                        />
+                    </div>
+                    <Divider/>
+                    <Upload
+                        fileList={draftFiles}
+                        beforeUpload={(file) => {
+                            handleAddFile(file);
+                            return false;
+                        }}
+                        onRemove={(file) => handleRemoveFile(file)}
+                        multiple
+                    >
+                        <Button icon={<UploadOutlined/>}>Выбрать файлы</Button>
+                    </Upload>
+                    <Divider/>
+                    <Button type="primary" onClick={handleOk}>
+                        Сохранить решение
+                    </Button>
+                </Col>
+            ) : [ROLES.ADMIN, ROLES.TEACHER].includes(currentUser?.role?.title) && (
+                <Col>
+                    <Title level={3}>Присланные решения</Title>
+                    {allSolutions.length > 0 ? (
+                        <Collapse accordion>
+                            {allSolutions.map((solution) => (
+                                <Panel
+                                    key={solution.id}
+                                    header={
+                                        <Flex justify="space-between" align="center">
+                                            <Text strong>Решение
+                                                от {new Date(solution.created_at).toLocaleString("ru-RU")}</Text>
+                                            {solution.assessment !== null ? (
+                                                <Tag
+                                                    color={solution.assessment >= 80 ? "green" : solution.assessment >= 60 ? "orange" : "red"}>
+                                                    Оценка: {solution.assessment} / 100
+                                                </Tag>
+                                            ) : (
+                                                <Tag color="red">Ждет проверки</Tag>
+                                            )}
+                                        </Flex>
+                                    }
+                                    extra={
+                                        solution.assessment !== null && (
+                                            <Tag color="purple">
+                                                Проверено: {solution.assessment_autor?.first_name} {solution.assessment_autor?.last_name}
+                                            </Tag>
+                                        )
+                                    }
+                                >
+                                    <div style={{marginBottom: 16}}>
+                                        <Text strong>Ответ:</Text>
+                                        <div
+                                            style={{
+                                                background: "#f9f9f9",
+                                                padding: 16,
+                                                borderRadius: 8,
+                                                margin: "12px 0",
+                                                border: "1px solid #f0f0f0",
+                                                minHeight: 60,
+                                            }}
+                                            dangerouslySetInnerHTML={{__html: solution.answer_text || "<em>Текст ответа отсутствует</em>"}}
+                                        />
+                                    </div>
+
+                                    {solution.files && solution.files.length > 0 ? (
+                                        <div>
+                                            <Text strong>Прикреплённые файлы:</Text>
+                                            <div style={{
+                                                marginTop: 8,
+                                                display: "flex",
+                                                flexDirection: "column",
+                                                gap: 8
+                                            }}>
+                                                {solution.files.map((file) => (
+                                                    <Button
+                                                        key={file.id}
+                                                        type="dashed"
+                                                        icon={<FileOutlined/>}
+                                                        style={{textAlign: "left"}}
+                                                        onClick={() => downloadFile(file.id, file.filename)}
+                                                        loading={downloadingFiles[file.id]}
+                                                    >
+                  <span style={{marginLeft: 8}}>
+                    {file.filename}
+                  </span>
+                                                        <DownloadOutlined style={{marginLeft: 8, color: "#1890ff"}}/>
+                                                    </Button>
+                                                ))}
+                                            </div>
+                                        </div>
+                                    ) : (
+                                        <Text type="secondary">Файлы не прикреплены</Text>
+                                    )}
+                                    <Title level={3}>Оценка</Title>
+                                    <Form form={assessmentForm} onFinish={() => {
+                                        onAssessmentFinish(solution.id)
+                                    }}>
+                                        <Form.Item
+                                            name={"assessment"}
+                                            rules={[{required: true, message: "Укажите оценку"}]}
+                                        >
+                                            <InputNumber
+                                                min={1}
+                                                max={100}
+                                                placeholder={"Выставите балл от 1 до 100"}
+                                                style={{
+                                                    minWidth: "230px"
+                                                }}
+                                                defaultValue={solution.assessment || null}
+                                                required
+                                            />
+                                        </Form.Item>
+                                        <Form.Item>
+                                            <Button type={"primary"} htmlType={"submit"}>
+                                                Выставить оценку
+                                            </Button>
+                                        </Form.Item>
+                                    </Form>
+                                    <div style={{ marginTop: 32 }}>
+                                        <Title level={4}>Комментарии к решению</Title>
+
+                                        <div
+                                            style={{
+                                                maxHeight: 400,
+                                                overflowY: "auto",
+                                                padding: "8px 0",
+                                                border: "1px solid #f0f0f0",
+                                                borderRadius: 8,
+                                                background: "#fafafa",
+                                            }}
+                                        >
+                                            {solution.solution_comments && solution.solution_comments.length > 0 ? (
+                                                <List
+                                                    dataSource={solution.solution_comments}
+                                                    renderItem={(comment) => (
+                                                        <List.Item style={{ padding: "12px 16px", borderBottom: "1px solid #f0f0f0" }}>
+                                                            <List.Item.Meta
+                                                                avatar={
+                                                                    <Avatar style={{ backgroundColor: "#1890ff" }}>
+                                                                        {comment.comment_autor.first_name[0]}
+                                                                        {comment.comment_autor.last_name[0]}
+                                                                    </Avatar>
+                                                                }
+                                                                title={
+                                                                    <Space>
+                                                                        <Text strong>
+                                                                            {comment.comment_autor.first_name} {comment.comment_autor.last_name}
+                                                                        </Text>
+                                                                        {comment.comment_autor.role?.title === "teacher" && (
+                                                                            <Tag color="gold" size="small">Преподаватель</Tag>
+                                                                        )}
+                                                                    </Space>
+                                                                }
+                                                                description={
+                                                                    <Text type="secondary" style={{ fontSize: 12 }}>
+                                                                        {new Date(comment.created_at || Date.now()).toLocaleString("ru-RU")}
+                                                                    </Text>
+                                                                }
+                                                            />
+                                                            <div
+                                                                style={{
+                                                                    marginTop: 8,
+                                                                    paddingLeft: 56,
+                                                                    whiteSpace: "pre-wrap",
+                                                                    wordBreak: "break-word",
+                                                                }}
+                                                                dangerouslySetInnerHTML={{ __html: comment.comment_text}}
+                                                            />
+                                                        </List.Item>
+                                                    )}
+                                                />
+                                            ) : (
+                                                <Empty
+                                                    image={Empty.PRESENTED_IMAGE_SIMPLE}
+                                                    description="Пока нет комментариев"
+                                                    style={{ margin: "20px 0" }}
+                                                />
+                                            )}
+                                        </div>
+
+                                        <Form
+                                            onFinish={(values) => onCommentSubmit(solution.id, values.comment)}
+                                            style={{ marginTop: 16 }}
+                                            form={commentForm}
+                                        >
+                                            <Form.Item
+                                                name="comment"
+                                                rules={[{ required: true, message: "Напишите комментарий" }]}
+                                            >
+                                                <Input.TextArea
+                                                    rows={3}
+                                                    placeholder="Напишите комментарий к решению..."
+                                                    allowClear
+                                                />
+                                            </Form.Item>
+
+                                            <Form.Item style={{ marginBottom: 0 }}>
+                                                <Button type="primary" htmlType="submit">
+                                                    Отправить комментарий
+                                                </Button>
+                                            </Form.Item>
+                                        </Form>
+                                    </div>
+                                </Panel>
+                            ))}
+                        </Collapse>
+                    ) : (
+                        <Empty
+                            image={Empty.PRESENTED_IMAGE_SIMPLE}
+                            description="Решений пока нет"
+                        />
+                    )}
+                </Col>
+            )}
+            <Divider/>
+            <div style={{textAlign: "right"}}>
+                <Button onClick={handleClose}>
+                    Закрыть
+                </Button>
+            </div>
+        </Modal>
+    );
+};
+
+export default ViewTaskModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/useTaskLessonModal.js b/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/useTaskLessonModal.js
new file mode 100644
index 0000000..40e18a2
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/Components/ViewTaskModalForm/useTaskLessonModal.js
@@ -0,0 +1,393 @@
+import {useDispatch, useSelector} from "react-redux";
+import {setSelectedTaskToView} from "../../../../../Redux/Slices/tasksSlice.js";
+import {Form, notification} from "antd";
+import CONFIG from "../../../../../Core/сonfig.js";
+import {useMemo, useRef, useState} from "react";
+import {useGetTaskFilesListQuery} from "../../../../../Api/tasksApi.js";
+import {useGetAuthenticatedUserDataQuery} from "../../../../../Api/usersApi.js";
+import {
+    useCreateAssessmentMutation,
+    useCreateSolutionMutation, useDeleteSolutionMutation, useGetTaskSolutionsQuery,
+    useGetTaskStudentSolutionsQuery,
+    useUploadFileMutation
+} from "../../../../../Api/solutionsApi.js";
+import {ROLES} from "../../../../../Core/constants.js";
+import {useCreateCommentMutation} from "../../../../../Api/commentsApi.js";
+
+
+const useViewTaskModal = () => {
+    const dispatch = useDispatch();
+
+    const {
+        selectedTaskToView
+    } = useSelector((state) => state.tasks);
+
+    const [assessmentForm] = Form.useForm();
+
+    const [
+        createSolution,
+        {
+            isLoading: isCreatingSolution,
+            isError: isErrorCreatingSoltion
+        }
+    ] = useCreateSolutionMutation();
+
+    const modalIsOpen = selectedTaskToView !== null;
+
+    const [draftFiles, setDraftFiles] = useState([]);
+    const [uploadFile] = useUploadFileMutation();
+    const [deleteSolution] = useDeleteSolutionMutation();
+
+    const [createComment, {
+        isLoading: isCreatingComment,
+        isError: isErrorCreatingComment
+    }] = useCreateCommentMutation();
+
+    const onCommentSubmit = async (solutionId, commentText) => {
+        if (!commentText?.trim()) return;
+
+        try {
+            await createComment({
+                solutionId: solutionId,
+                comment: {
+                    comment_text: commentText.trim()
+                }
+            }).unwrap();
+            commentForm.resetFields();
+            notification.success({
+                message: "Комментарий отправлен",
+                description: "Ваш комментарий успешно добавлен",
+            });
+        } catch (error) {
+            notification.error({
+                message: "Ошибка",
+                description: error?.data?.detail || "Не удалось отправить комментарий",
+            });
+        }
+    };
+
+    const handleAddFile = (file) => {
+        const maxSize = 50 * 1024 * 1024; // 50 мегабайт
+        if (file.size > maxSize) {
+            notification.error({
+                message: "Ошибка вставки",
+                description: "Файл слишком большой.",
+                placement: "topRight",
+            });
+            return false;
+        }
+        setDraftFiles((prev) => [...prev, file]);
+        return false;
+    };
+
+    const handleDeleSolution = async (solutionId) => {
+        try {
+            await deleteSolution(solutionId);
+
+            notification.success({
+                title: "Успех",
+                description: "Задание успешно удалено!",
+                placement: "topRight",
+            })
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось удалить задание",
+                placement: "topRight",
+            })
+        }
+    };
+
+    const handleRemoveFile = (file) => {
+        setDraftFiles((prev) => prev.filter((f) => f.uid !== file.uid));
+    };
+
+    const editorRef = useRef(null);
+
+    const handleOk = async () => {
+        try {
+            const content = editorRef.current?.value || "";
+
+            const solutionData = {
+                answer_text: content,
+            };
+
+            const response = await createSolution({
+                taskId: selectedTaskToView?.id,
+                solution: solutionData,
+            }).unwrap();
+
+            for (const file of draftFiles) {
+                try {
+                    await uploadFile({
+                        solutionId: response.id,
+                        fileData: file,
+                    }).unwrap();
+                } catch (error) {
+                    console.error(`Error uploading file ${file.name}:`, error);
+                    const errorMessage = error.data?.detail
+                        ? JSON.stringify(error.data.detail, null, 2)
+                        : JSON.stringify(error.data || error.message || "Неизвестная ошибка", null, 2);
+                    notification.error({
+                        title: "Ошибка загрузки файла",
+                        description: `Не удалось загрузить файл ${file.name}: ${errorMessage}`,
+                        placement: "topRight",
+                    });
+                }
+            }
+            setDraftFiles([]);
+            notification.success({
+                title: "Успех",
+                description: "Задание успешно создано!",
+                placement: "topRight",
+            });
+
+            if (editorRef.current) {
+                editorRef.current.value = "";
+            }
+        } catch (error) {
+            console.error(error)
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось создать задание",
+                placement: "topRight",
+            });
+        }
+    };
+
+    const handleClose = () => {
+        dispatch(setSelectedTaskToView(null));
+    };
+
+
+    const {
+        data: currentTaskFiles = [],
+        isLoading: isCurrentTaskFilesLoading,
+        isError: isCurrentTaskFilesError
+    } = useGetTaskFilesListQuery(selectedTaskToView?.id, {
+        skip: !selectedTaskToView?.id
+    });
+
+    const {
+        data: currentUser = {},
+        isLoading: isCurrentUserLoading,
+        isError: isCurrentUserError,
+    } = useGetAuthenticatedUserDataQuery();
+
+    const {
+        data: mySolutions = [],
+        isLoading: isMySolutionsLoading,
+        isError: isMySolutionsError
+    } = useGetTaskStudentSolutionsQuery({
+        taskId: selectedTaskToView?.id,
+        studentId: currentUser?.id
+    }, {
+        skip: !selectedTaskToView?.id || currentUser?.role?.title !== ROLES.STUDENT,
+        pollingInterval: 5000,
+    });
+
+    const {
+        data: allSolutions = [],
+        isLoading: isAllSolutionsLoading,
+    } = useGetTaskSolutionsQuery(selectedTaskToView?.id, {
+        skip: !selectedTaskToView?.id || ![ROLES.TEACHER, ROLES.ADMIN].includes(currentUser?.role?.title),
+        pollingInterval: 5000,
+    })
+
+    const [commentForm] = Form.useForm();
+    const [downloadingFiles, setDownloadingFiles] = useState({});
+
+    const downloadFile = async (fileId, fileName) => {
+        try {
+            setDownloadingFiles((prev) => ({...prev, [fileId]: true}));
+
+            const token = localStorage.getItem('access_token');
+            if (!token) {
+                notification.error({
+                    title: "Ошибка",
+                    description: "Токен не найден",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+
+            const response = await fetch(`${CONFIG.BASE_URL}/solutions/file/${fileId}/`, {
+                method: 'GET',
+                headers: {
+                    'Authorization': `Bearer ${token}`,
+                },
+            });
+
+            if (!response.ok) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+
+            const contentType = response.headers.get('content-type');
+            if (!contentType || contentType.includes('text/html')) {
+                const errorText = await response.text();
+                notification.error({
+                    title: "Ошибка",
+                    description: errorText || "Не удалось скачать файл",
+                    placement: "topRight",
+                });
+                return;
+            }
+
+            let safeFileName = fileName || "file";
+            if (!safeFileName.match(/\.[a-zA-Z0-9]+$/)) {
+                if (contentType.includes('application/pdf')) {
+                    safeFileName += '.pdf';
+                } else if (contentType.includes('image/jpeg')) {
+                    safeFileName += '.jpg';
+                } else if (contentType.includes('image/png')) {
+                    safeFileName += '.png';
+                } else {
+                    safeFileName += '.bin';
+                }
+            }
+
+            const blob = await response.blob();
+            const downloadUrl = window.URL.createObjectURL(blob);
+            const link = document.createElement("a");
+            link.href = downloadUrl;
+            link.setAttribute("download", safeFileName);
+            document.body.appendChild(link);
+            link.click();
+            link.remove();
+            window.URL.revokeObjectURL(downloadUrl);
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error.message || "Не удалось скачать файл",
+                placement: "topRight",
+            });
+        } finally {
+            setDownloadingFiles((prev) => ({...prev, [fileId]: false}));
+        }
+    };
+
+    const [
+        createAssessment,
+    ] = useCreateAssessmentMutation();
+
+    const onAssessmentFinish = async (solutionId) => {
+        const values = await assessmentForm.validateFields();
+        try {
+            await createAssessment({
+                solutionId,
+                assessment: values,
+            });
+
+            notification.success({
+                title: "Успех",
+                description: "Оценка выставлена",
+                placement: "topRight",
+            });
+        } catch (e) {
+            notification.error({
+                title: "Ошибка",
+                description: e.message || "Не удалось выставить оценку",
+                placement: "topRight",
+            });
+        }
+    };
+
+    const joditConfig = useMemo(
+        () => ({
+            readonly: false,
+            height: 150,
+            toolbarAdaptive: false,
+            buttons: [
+                "bold", "italic", "underline", "strikethrough", "|",
+                "superscript", "subscript", "|",
+                "ul", "ol", "outdent", "indent", "|",
+                "font", "fontsize", "brush", "paragraph", "|",
+                "align", "hr", "|",
+                "table", "link", "image", "video", "symbols", "|",
+                "undo", "redo", "cut", "copy", "paste", "selectall", "eraser", "|",
+                "find", "source", "fullsize", "print", "preview",
+            ],
+            autofocus: false,
+            preserveSelection: true,
+            askBeforePasteHTML: false,
+            askBeforePasteFromWord: false,
+            defaultActionOnPaste: "insert_clear_html",
+            spellcheck: true,
+            placeholder: "Заполните содержимое задания",
+            showCharsCounter: true,
+            showWordsCounter: true,
+            showXPathInStatusbar: false,
+            toolbarSticky: true,
+            toolbarButtonSize: "middle",
+            cleanHTML: {
+                removeEmptyElements: true,
+                replaceNBSP: false,
+            },
+            hotkeys: {
+                "ctrl + shift + f": "find",
+                "ctrl + b": "bold",
+                "ctrl + i": "italic",
+                "ctrl + u": "underline",
+            },
+            image: {
+                editSrc: true,
+                editTitle: true,
+                editAlt: true,
+                openOnDblClick: false,
+            },
+            video: {
+                allowedSources: ["youtube", "vimeo"],
+            },
+            uploader: {
+                insertImageAsBase64URI: true,
+            },
+            paste: {
+                insertAsBase64: true,
+                mimeTypes: ["image/png", "image/jpeg", "image/gif"],
+                maxFileSize: 5 * 1024 * 1024,
+                error: () => {
+                    notification.error({
+                        title: "Ошибка вставки",
+                        description: "Файл слишком большой или неподдерживаемый формат.",
+                        placement: "topRight",
+                    });
+                },
+            },
+        }),
+        []
+    );
+
+    return {
+        selectedTaskToView,
+        modalIsOpen,
+        handleClose,
+        currentTaskFiles,
+        isCurrentTaskFilesLoading,
+        isCurrentTaskFilesError,
+        downloadFile,
+        downloadingFiles,
+        currentUser,
+        mySolutions,
+        editorRef,
+        joditConfig,
+        handleAddFile,
+        handleRemoveFile,
+        handleOk,
+        draftFiles,
+        handleDeleSolution,
+        allSolutions,
+        onAssessmentFinish,
+        assessmentForm,
+        onCommentSubmit,
+    }
+};
+
+export default useViewTaskModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/CourseDetailPage.jsx b/web/src/Components/Pages/CourseDetailPage/CourseDetailPage.jsx
new file mode 100644
index 0000000..15de2b7
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/CourseDetailPage.jsx
@@ -0,0 +1,270 @@
+import useCourseDetailPage from "./useCourseDetailPage.js";
+import {
+    Avatar,
+    Button,
+    Card,
+    Col,
+    Empty,
+    FloatButton,
+    Popconfirm,
+    Result,
+    Row,
+    Space,
+    Tag,
+    Tooltip,
+    Typography
+} from "antd";
+import {
+    ArrowLeftOutlined,
+    BookOutlined, CheckCircleFilled, ClockCircleOutlined,
+    DeleteOutlined,
+    EditOutlined,
+    FormOutlined,
+    PlusOutlined
+} from "@ant-design/icons";
+import {useNavigate, useParams} from "react-router-dom";
+import {ROLES} from "../../../Core/constants.js";
+import CONFIG from "../../../Core/сonfig.js";
+import LoadingIndicator from "../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
+import CreateLessonModalForm from "./Components/CreateLessonModalForm/CreateLessonModalForm.jsx";
+import ViewLessonModal from "./Components/ViewLessonModalForm/ViewLessonModal.jsx";
+import UpdateLessonModalForm from "./Components/UpdateLessonModalForm/UpdateLessonModalForm.jsx";
+import CreateTaskModalForm from "./Components/CreateTaskModalForm/CreateTaskModalForm.jsx";
+import UpdateTaskModalForm from "./Components/UpdateTaskModalForm/UpdateTaskModalForm.jsx";
+import ViewTaskModal from "./Components/ViewTaskModalForm/ViewTaskModal.jsx";
+
+
+const {Title, Text} = Typography;
+
+const CourseDetailPage = () => {
+    const navigate = useNavigate();
+    const {courseId} = useParams();
+    const {
+        tasksData,
+        isTeacherOrAdmin,
+        lessonsData,
+        userData,
+        courseData,
+        isLoading,
+        isError,
+        handleCreateLesson,
+        handleOpenLesson,
+        handleEditLesson,
+        handleDeleteLesson,
+        handleCreateTask,
+        handleOpenTask,
+        handleEditTask,
+        handleDeleteTask,
+        listReadLessonsIds,
+    } = useCourseDetailPage(courseId);
+
+    if (isLoading) {
+        return <LoadingIndicator/>;
+    }
+
+    if (isError) {
+        return <Result status="500" title="500" subTitle="Произошла ошибка при загрузке курса"/>;
+    }
+
+    return (
+        <div style={{minHeight: "100vh"}}>
+            <Row justify="space-between" align="middle" style={{marginBottom: 24}}>
+                <Col>
+                    <Button
+                        icon={<ArrowLeftOutlined/>}
+                        onClick={() => navigate(-1)}
+                        style={{marginBottom: 16}}
+                    >
+                        Назад
+                    </Button>
+                    <Title level={2} style={{margin: 0}}>
+                        <BookOutlined/> Курс - {courseData.title}
+                    </Title>
+                </Col>
+            </Row>
+
+            {lessonsData.length === 0 ? (
+                <Empty
+                    description="Пока нет лекций"
+                    image={Empty.PRESENTED_IMAGE_SIMPLE}
+                    style={{margin: "60px 0"}}
+                >
+                    {isTeacherOrAdmin && (
+                        <Button type="primary" size="large" onClick={handleCreateLesson}>
+                            Добавить первую лекцию
+                        </Button>
+                    )}
+                </Empty>
+            ) : (
+                <Row gutter={[24, 24]}>
+                    {[...lessonsData, ...tasksData]
+                        .sort((a, b) => a.number - b.number)
+                        .map((item) => {
+                            const isLesson = item.__typename === "Lesson";
+                            const isTask = item.__typename === "Task";
+
+                            return (
+                                <Col xs={24} sm={12} lg={8} xl={6} key={item.id}>
+                                    <Card
+                                        hoverable
+                                        style={{height: "100%", cursor: "pointer"}}
+                                        onClick={() =>
+                                            isLesson ? handleOpenLesson(item) : handleOpenTask(item)
+                                        }
+                                        title={
+                                            <Space>
+                                                <Text strong>
+                                                    {item.title}
+                                                </Text>
+                                            </Space>
+                                        }
+                                        extra={
+                                            isTeacherOrAdmin && (
+                                                <Space onClick={(e) => e.stopPropagation()}>
+                                                    <Button
+                                                        type="text"
+                                                        icon={<EditOutlined/>}
+                                                        onClick={(e) => {
+                                                            e.stopPropagation();
+                                                            isLesson
+                                                                ? handleEditLesson(item)
+                                                                : handleEditTask(item);
+                                                        }}
+                                                    />
+                                                    <Popconfirm
+                                                        title={`Удалить ${isLesson ? "лекцию" : "задание"}?`}
+                                                        description="Это действие нельзя отменить"
+                                                        onConfirm={(e) => {
+                                                            e?.stopPropagation();
+                                                            isLesson
+                                                                ? handleDeleteLesson(item.id)
+                                                                : handleDeleteTask(item.id);
+                                                        }}
+                                                        okText="Удалить"
+                                                        cancelText="Отмена"
+                                                    >
+                                                        <Button
+                                                            type="text"
+                                                            danger
+                                                            icon={<DeleteOutlined/>}
+                                                            onClick={(e) => e.stopPropagation()}
+                                                        />
+                                                    </Popconfirm>
+                                                </Space>
+                                            )
+                                        }
+                                    >
+                                        <div style={{marginBottom: 16}}>
+                                            <Space vertical>
+                                                {isTask && (
+                                                    <Tag color="orange" size="small">
+                                                        Задание
+                                                    </Tag>
+                                                )}
+                                                {isLesson && (
+                                                    <Tag color="blue" size="small">
+                                                        Лекция
+                                                    </Tag>
+                                                )}
+                                                {item.description ? (
+                                                    <Text type="secondary">
+                                                        {item.description.slice(0, 100)}
+                                                        {item.description.length > 100 && "..."}
+                                                    </Text>
+                                                ) : (
+                                                    <Text type="secondary" italic>
+                                                        Описание отсутствует
+                                                    </Text>
+                                                )}
+                                            </Space>
+                                        </div>
+                                        <div style={{
+                                            display: "flex",
+                                            justifyContent: "space-between",
+                                            alignItems: "center"
+                                        }}>
+                                            <Text>
+                                                {isLesson ? "Лекционный материал" : "Задание"}
+                                            </Text>
+
+                                            {isLesson && (
+                                                listReadLessonsIds.includes(item.id) ? (
+                                                    <Space style={{color: "#52c41a", fontWeight: 500}}>
+                                                        <CheckCircleFilled style={{fontSize: 18}}/>
+                                                        <span>Пройдено</span>
+                                                    </Space>
+                                                ) : (
+                                                    <Space style={{color: "#999"}}>
+                                                        <ClockCircleOutlined style={{fontSize: 16}}/>
+                                                        <span>Не прочитано</span>
+                                                    </Space>
+                                                )
+                                            )}
+                                        </div>
+
+                                        <div
+                                            style={{
+                                                marginTop: 16,
+                                                display: "flex",
+                                                alignItems: "center",
+                                                gap: 8,
+                                            }}
+                                        >
+                                            <Avatar
+                                                size="small"
+                                                style={{backgroundColor: "#1890ff"}}
+                                            >
+                                                {item.creator?.first_name?.[0] || "У"}
+                                            </Avatar>
+                                            <Text type="secondary" style={{fontSize: 12}}>
+                                                Создал: {item.creator?.first_name}{" "}
+                                                {item.creator?.last_name}
+                                            </Text>
+                                        </div>
+                                    </Card>
+                                </Col>
+                            );
+                        })}
+                </Row>
+            )}
+
+            <CreateLessonModalForm
+                courseId={courseId}
+            />
+            <ViewLessonModal
+                courseId={courseId}
+            />
+            <UpdateLessonModalForm/>
+
+            <CreateTaskModalForm
+                courseId={courseId}
+            />
+            <ViewTaskModal
+                courseId={courseId}
+            />
+            <UpdateTaskModalForm/>
+            {[CONFIG.ROOT_ROLE_NAME, ROLES.TEACHER].includes(userData.role.title) && (
+                <FloatButton.Group
+                    placement={"left"}
+                    trigger="hover"
+                    type="primary"
+                    icon={<PlusOutlined/>}
+                    tooltip="Добавить элемент курса"
+                >
+                    <FloatButton
+                        icon={<PlusOutlined/>}
+                        tooltip="Лекционный материал"
+                        onClick={handleCreateLesson}
+                    />
+                    <FloatButton
+                        icon={<FormOutlined/>}
+                        tooltip="Задание"
+                        onClick={handleCreateTask}
+                    />
+                </FloatButton.Group>
+            )}
+        </div>
+    )
+};
+
+export default CourseDetailPage;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CourseDetailPage/useCourseDetailPage.js b/web/src/Components/Pages/CourseDetailPage/useCourseDetailPage.js
new file mode 100644
index 0000000..9f4ad58
--- /dev/null
+++ b/web/src/Components/Pages/CourseDetailPage/useCourseDetailPage.js
@@ -0,0 +1,180 @@
+import {
+    useGetAuthenticatedUserDataQuery,
+    useGetReadedLessonsByCourseQuery,
+    useSetLessonAsReadedMutation
+} from "../../../Api/usersApi.js";
+import {useGetCourseByIdQuery} from "../../../Api/coursesApi.js";
+import {useEffect} from "react";
+import {useDispatch} from "react-redux";
+import {
+    setOpenModalCreateLesson,
+    setSelectedLessonToUpdate,
+    setSelectedLessonToView
+} from "../../../Redux/Slices/lessonsSlice.js";
+import {useDeleteLessonMutation, useGetLessonsByCourseIdQuery} from "../../../Api/lessonsApi.js";
+import {ROLES} from "../../../Core/constants.js";
+import CONFIG from "../../../Core/сonfig.js";
+import {notification} from "antd";
+import {
+    setOpenModalCreateTask,
+    setSelectedTaskToUpdate,
+    setSelectedTaskToView
+} from "../../../Redux/Slices/tasksSlice.js";
+import {useDeleteTaskMutation, useGetTasksByCourseIdQuery} from "../../../Api/tasksApi.js";
+
+
+const useCourseDetailPage = (courseId) => {
+    const dispatch = useDispatch();
+
+    const {
+        data: userData,
+        isLoading: isUserLoading,
+        isError: isUserError,
+    } = useGetAuthenticatedUserDataQuery(undefined, {
+        pollingInterval: 10000,
+    });
+
+    const {
+        data: courseData,
+        isLoading: isCourseLoading,
+        isError: isCourseError,
+    } = useGetCourseByIdQuery(courseId, {
+        pollingInterval: 10000,
+    });
+
+    const {
+        data: lessonsData = [],
+        isLoading: isLessonsLoading,
+        isError: isLessonsError,
+    } = useGetLessonsByCourseIdQuery(courseId, {
+        pollingInterval: 10000,
+    });
+
+    const {
+        data: tasksData = [],
+        isLoading: isTasksLoading,
+        isError: isTasksError
+    } = useGetTasksByCourseIdQuery(courseId, {
+        pollingInterval: 10000,
+    });
+
+    const [
+        deleteLesson,
+    ] = useDeleteLessonMutation();
+
+    const [
+        deleteTask,
+    ] = useDeleteTaskMutation();
+
+    const handleDeleteLesson = async (lessonId) => {
+        try {
+            await deleteLesson(lessonId);
+
+            notification.success({
+                title: "Успешно",
+                description: "Лекция удалена",
+                placement: "topRight",
+            });
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Произошла ошибка при удалении лекции",
+                placement: "topRight",
+            })
+        }
+    };
+
+    const handleDeleteTask = async (taskId) => {
+        try {
+            await deleteTask(taskId);
+            notification.success({
+                title: "Успешно",
+                description: "Задание удалено",
+                placement: "topRight",
+            });
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Произошла ошибка при удалении задания",
+                placement: "topRight",
+            })
+        }
+    };
+
+    useEffect(() => {
+        window.document.title = `Система обучения lectio - Курс: ${courseData?.title}`;
+    }, [courseData]);
+
+    const handleCreateLesson = () => {
+        dispatch(setOpenModalCreateLesson(true))
+    };
+
+    const isTeacherOrAdmin = [CONFIG.ROOT_ROLE_NAME, ROLES.TEACHER].includes(userData?.role?.title);
+
+    const [
+        markLessonAsRead
+    ] = useSetLessonAsReadedMutation();
+
+    const markLesson = async (lessonId) => {
+        try {
+            await markLessonAsRead(lessonId);
+        } catch {
+            notification.error({
+                title: "Ошибка",
+                description: "Не удалось отметить лекцию как прочитанную",
+                placement: "topRight",
+            })
+        }
+    };
+
+    const handleOpenLesson = async (lesson) => {
+        await markLesson(lesson.id)
+        dispatch(setSelectedLessonToView(lesson))
+    };
+
+    const handleEditLesson = (lesson) => {
+        dispatch(setSelectedLessonToUpdate(lesson))
+    };
+
+    const handleCreateTask = () => {
+        dispatch(setOpenModalCreateTask(true))
+    };
+
+    const handleOpenTask = (task) => {
+        dispatch(setSelectedTaskToView(task))
+    };
+
+    const handleEditTask = (task) => {
+        dispatch(setSelectedTaskToUpdate(task))
+    };
+
+    const {
+        data: readedLessons = []
+    } = useGetReadedLessonsByCourseQuery(courseData?.id, {
+        pollingInterval: 10000,
+        skip: courseData?.id === null || courseData?.id === undefined
+    });
+
+    const listReadLessonsIds = readedLessons.map((data) => data.lesson_id);
+
+    return {
+        tasksData,
+        isTeacherOrAdmin,
+        lessonsData,
+        userData,
+        courseData,
+        isLoading: isUserLoading || isCourseLoading || isLessonsLoading || isTasksLoading,
+        isError: isUserError || isCourseError || isLessonsError || isTasksError,
+        handleCreateLesson,
+        handleOpenLesson,
+        handleEditLesson,
+        handleDeleteLesson,
+        handleCreateTask,
+        handleOpenTask,
+        handleEditTask,
+        handleDeleteTask,
+        listReadLessonsIds,
+    }
+};
+
+export default useCourseDetailPage;
\ No newline at end of file
diff --git a/web/src/Components/Pages/Courses/Components/CreateCourseModalForm/CreateCourseModalForm.jsx b/web/src/Components/Pages/Courses/Components/CreateCourseModalForm/CreateCourseModalForm.jsx
deleted file mode 100644
index 87a2f32..0000000
--- a/web/src/Components/Pages/Courses/Components/CreateCourseModalForm/CreateCourseModalForm.jsx
+++ /dev/null
@@ -1,98 +0,0 @@
-import useCreateCourseModalForm from "./useCreateCourseModalForm.js";
-import {Button, Col, Form, Input, Modal, Result, Row, Select} from "antd";
-import TextArea from "antd/es/input/TextArea.js";
-import LoadingIndicator from "../../../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
-
-
-const CreateCourseModal = () => {
-    const {
-        openCreateCourseModal,
-        handleCancel,
-        form,
-        isLoadinging,
-        isError,
-        teachers,
-        students
-    } = useCreateCourseModalForm();
-
-    if (isLoadinging) {
-        return (
-            <LoadingIndicator/>
-        );
-    }
-
-    if (isError) {
-        return (
-            <Result status="500" title="500" subTitle="Произошла ошибка при загрузке данных пользователя"/>
-        );
-    }
-
-    return (
-        <Modal
-            title={"Создание курса"}
-            open={openCreateCourseModal}
-            onCancel={handleCancel}
-            footer={[
-                <Button key="cancel" onClick={handleCancel}>
-                    Отмена
-                </Button>,
-                <Button
-                    key="submit"
-                    type="primary"
-                    loading={isLoadinging}
-                    // onClick={handleOk}
-                >
-                    Создать
-                </Button>,
-            ]}
-            width={800}
-        >
-            <Form form={form} layout="vertical">
-                <Form.Item
-                    name="title"
-                    label="Название курса"
-                    rules={[{required: true, message: "Введите название"}]}
-                >
-                    <Input size="large" placeholder="Введение в Python"/>
-                </Form.Item>
-
-                <Form.Item name="description" label="Описание">
-                    <TextArea rows={4} placeholder="Курс для начинающих..."/>
-                </Form.Item>
-
-                <Row gutter={16}>
-                    <Col span={12}>
-                        <Form.Item name="teacher_ids" label="Преподаватели">
-                            <Select
-                                mode="multiple"
-                                placeholder="Выберите преподавателей"
-                                loading={isLoadinging}
-                            >
-                                {teachers.map((teacher) => (
-                                    <Select.Option key={teacher.id}
-                                                   value={teacher.id}>{teacher.last_name} {teacher.first_name} - {teacher.login}</Select.Option>
-                                ))}
-                            </Select>
-                        </Form.Item>
-                    </Col>
-                    <Col span={12}>
-                        <Form.Item name="student_ids" label="Студенты">
-                            <Select
-                                mode="multiple"
-                                placeholder="Выберите студентов"
-                                loading={isLoadinging}
-                            >
-                                {students.map((student) => (
-                                    <Select.Option key={student.id}
-                                                   value={student.id}>{student.last_name} {student.first_name} - {student.login}</Select.Option>
-                                ))}
-                            </Select>
-                        </Form.Item>
-                    </Col>
-                </Row>
-            </Form>
-        </Modal>
-    );
-}
-
-export default CreateCourseModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/CreateCourseModalForm.jsx b/web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/CreateCourseModalForm.jsx
new file mode 100644
index 0000000..de924ee
--- /dev/null
+++ b/web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/CreateCourseModalForm.jsx
@@ -0,0 +1,110 @@
+import {Button, Col, Form, Input, Modal, Result, Row, Select, Spin} from "antd";
+import useCreateCourseModalForm from "./useCreateCourseModalForm.js";
+import LoadingIndicator from "../../../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
+
+const {Option} = Select;
+const {TextArea} = Input;
+
+const CreateCourseModal = () => {
+    const {
+        openCreateCourseModal,
+        handleCancel,
+        handleOk,
+        form,
+        teachers,
+        students,
+        isLoading,
+        isError,
+    } = useCreateCourseModalForm();
+
+    if (isError) {
+        return <Modal visible={openCreateCourseModal} footer={null}>
+            <Result status="500" title="Ошибка загрузки"/>
+        </Modal>;
+    }
+
+    const filterOption = (input, option) =>
+        option.children.toString().toLowerCase().includes(input.toLowerCase());
+
+    return (
+        <Modal
+            title="Создание курса"
+            open={openCreateCourseModal}
+            onCancel={handleCancel}
+            width={900}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button
+                    key="submit"
+                    type="primary"
+                    loading={isLoading}
+                    onClick={handleOk}
+                >
+                    Создать курс
+                </Button>,
+            ]}
+        >
+            {isLoading ? (
+                <LoadingIndicator/>
+            ) : (
+                <Form form={form} layout="vertical">
+                    <Form.Item
+                        name="title"
+                        label="Название курса"
+                        rules={[{required: true, message: "Введите название курса"}]}
+                    >
+                        <Input size="large" placeholder="Введение в React"/>
+                    </Form.Item>
+
+                    <Form.Item name="description" label="Описание (необязательно)">
+                        <TextArea rows={4} placeholder="Курс для начинающих разработчиков..."/>
+                    </Form.Item>
+
+                    <Row gutter={16}>
+                        <Col span={12}>
+                            <Form.Item name="teacher_ids" label="Преподаватели">
+                                <Select
+                                    mode="multiple"
+                                    placeholder="Начните вводить ФИО или логин..."
+                                    loading={isLoading}
+                                    showSearch={{filterOption: filterOption}}
+                                    notFoundContent="Преподаватели не найдены"
+                                >
+                                    {teachers.map((teacher) => (
+                                        <Option key={teacher.id} value={teacher.id}>
+                                            {teacher.last_name} {teacher.first_name} ({teacher.login})
+                                        </Option>
+                                    ))}
+                                </Select>
+                            </Form.Item>
+                        </Col>
+
+                        <Col span={12}>
+                            <Form.Item name="student_ids" label="Студенты">
+                                <Select
+                                    mode="multiple"
+                                    showSearch
+                                    placeholder="Начните вводить ФИО или логин..."
+                                    loading={isLoading}
+                                    filterOption={filterOption}
+                                    optionFilterProp="children"
+                                    notFoundContent="Студенты не найдены"
+                                >
+                                    {students.map((student) => (
+                                        <Option key={student.id} value={student.id}>
+                                            {student.last_name} {student.first_name} ({student.login})
+                                        </Option>
+                                    ))}
+                                </Select>
+                            </Form.Item>
+                        </Col>
+                    </Row>
+                </Form>
+            )}
+        </Modal>
+    );
+};
+
+export default CreateCourseModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/Courses/Components/CreateCourseModalForm/useCreateCourseModalForm.js b/web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/useCreateCourseModalForm.js
similarity index 52%
rename from web/src/Components/Pages/Courses/Components/CreateCourseModalForm/useCreateCourseModalForm.js
rename to web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/useCreateCourseModalForm.js
index 2f9798f..8aa59ce 100644
--- a/web/src/Components/Pages/Courses/Components/CreateCourseModalForm/useCreateCourseModalForm.js
+++ b/web/src/Components/Pages/CoursesPage/Components/CreateCourseModalForm/useCreateCourseModalForm.js
@@ -1,6 +1,6 @@
 import {useDispatch, useSelector} from "react-redux";
 import {setOpenCreateCourseModal} from "../../../../../Redux/Slices/coursesSlice.js";
-import {Form} from "antd";
+import {Form, notification} from "antd";
 import {useGetUsersByRoleNameQuery} from "../../../../../Api/usersApi.js";
 import {
     useCreateCourseMutation,
@@ -43,7 +43,54 @@ const useCreateCourseModalForm = () => {
     const handleCancel = () => {
         form.resetFields();
         dispatch(setOpenCreateCourseModal(false));
-    }
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+
+            const newCourse = await createCourse({
+                title: values.title,
+                description: values.description || null,
+            }).unwrap();
+
+            if (values.teacher_ids?.length > 0) {
+                const teachersPayload = values.teacher_ids.map(id => ({
+                    teacher_id: id
+                }));
+
+                await replaceTeachers({
+                    courseId: newCourse.id,
+                    teachers: teachersPayload
+                }).unwrap();
+            }
+
+            if (values.student_ids?.length > 0) {
+                const studentsPayload = values.student_ids.map(id => ({
+                    student_id: id,
+                }));
+                await replaceStudents({
+                    courseId: newCourse.id,
+                    students: studentsPayload
+                }).unwrap();
+            }
+
+            notification.success({
+                title: "Успешно",
+                description: "Курс успешно создан!",
+                placement: "topRight",
+            });
+
+            form.resetFields();
+            dispatch(setOpenCreateCourseModal(false));
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось создать курс.",
+                placement: "topRight",
+            });
+        }
+    };
 
     return {
         openCreateCourseModal,
diff --git a/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/UpdateCourseModalForm.jsx b/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/UpdateCourseModalForm.jsx
new file mode 100644
index 0000000..0c00f17
--- /dev/null
+++ b/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/UpdateCourseModalForm.jsx
@@ -0,0 +1,106 @@
+import {Button, Col, Form, Input, Modal, Result, Row, Select, Spin} from "antd";
+import useUpdateCourseModalForm from "./useUpdateCourseModalForm.js";
+import LoadingIndicator from "../../../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
+
+const {Option} = Select;
+const {TextArea} = Input;
+
+const UpdateCourseModal = () => {
+    const {
+        isModalOpen,
+        openUpdateCourseModal,
+        handleCancel,
+        handleOk,
+        form,
+        teachers,
+        students,
+        isLoading,
+        isError,
+    } = useUpdateCourseModalForm();
+
+    if (isError) {
+        return (
+            <Modal open={openUpdateCourseModal} footer={null} onCancel={handleCancel}>
+                <Result status="500" title="Ошибка загрузки"/>
+            </Modal>
+        );
+    }
+
+    const filterOption = (input, option) =>
+        option.children.toString().toLowerCase().includes(input.toLowerCase());
+
+    return (
+        <Modal
+            title="Редактирование курса"
+            open={isModalOpen}
+            onCancel={handleCancel}
+            width={900}
+            footer={[
+                <Button key="cancel" onClick={handleCancel}>
+                    Отмена
+                </Button>,
+                <Button key="submit" type="primary" loading={isLoading} onClick={handleOk}>
+                    Сохранить изменения
+                </Button>,
+            ]}
+        >
+            {isLoading ? (
+                <LoadingIndicator />
+            ) : (
+                <Form form={form} layout="vertical">
+                    <Form.Item
+                        name="title"
+                        label="Название курса"
+                        rules={[{ required: true, message: "Введите название курса" }]}
+                    >
+                        <Input size="large" />
+                    </Form.Item>
+
+                    <Form.Item name="description" label="Описание">
+                        <TextArea rows={4} placeholder="Описание курса..." />
+                    </Form.Item>
+
+                    <Row gutter={16}>
+                        <Col span={12}>
+                            <Form.Item name="teacher_ids" label="Преподаватели">
+                                <Select
+                                    mode="multiple"
+                                    placeholder="Выберите преподавателей"
+                                    showSearch
+                                    filterOption={filterOption}
+                                    notFoundContent="Преподаватели не найдены"
+                                >
+                                    {teachers.map((teacher) => (
+                                        <Option key={teacher.id} value={teacher.id}>
+                                            {teacher.last_name} {teacher.first_name} ({teacher.login})
+                                        </Option>
+                                    ))}
+                                </Select>
+                            </Form.Item>
+                        </Col>
+
+                        <Col span={12}>
+                            <Form.Item name="student_ids" label="Студенты">
+                                <Select
+                                    mode="multiple"
+                                    placeholder="Выберите студентов"
+                                    showSearch
+                                    filterOption={filterOption}
+                                    notFoundContent="Студенты не найдены"
+                                >
+                                    {students.map((student) => (
+                                        <Option key={student.id} value={student.id}>
+                                            {student.last_name} {student.first_name} ({student.login})
+                                        </Option>
+                                    ))}
+                                </Select>
+                            </Form.Item>
+                        </Col>
+                    </Row>
+                </Form>
+            )}
+        </Modal>
+    );
+};
+
+export default UpdateCourseModal;
\ No newline at end of file
diff --git a/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/useUpdateCourseModalForm.js b/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/useUpdateCourseModalForm.js
new file mode 100644
index 0000000..b70e375
--- /dev/null
+++ b/web/src/Components/Pages/CoursesPage/Components/UpdateCourseModalForm/useUpdateCourseModalForm.js
@@ -0,0 +1,116 @@
+import {useDispatch, useSelector} from "react-redux";
+import {setSelectedCourseToUpdate} from "../../../../../Redux/Slices/coursesSlice.js";
+import {Form, notification} from "antd";
+import {useGetUsersByRoleNameQuery} from "../../../../../Api/usersApi.js";
+import {
+    useGetCourseStudentsQuery, useGetCourseTeachersQuery,
+    useReplaceCourseStudentsMutation,
+    useReplaceCourseTeachersMutation, useUpdateCourseMutation
+} from "../../../../../Api/coursesApi.js";
+import {useEffect} from "react";
+import {ROLES} from "../../../../../Core/constants.js";
+
+
+const useUpdateCourseModalForm = () => {
+    const dispatch = useDispatch();
+    const [form] = Form.useForm();
+
+    const {selectedCourseToUpdate} = useSelector((state) => state.courses);
+    const courseId = selectedCourseToUpdate?.id;
+
+    const isModalOpen = selectedCourseToUpdate !== null;
+
+    const {
+        data: allTeachers = [],
+        isLoading: teachersLoading,
+        isError: teachersError,
+    } = useGetUsersByRoleNameQuery(ROLES.TEACHER);
+
+    const {
+        data: allStudents = [],
+        isLoading: studentsLoading,
+        isError: studentsError,
+    } = useGetUsersByRoleNameQuery(ROLES.STUDENT);
+
+    const {
+        data: currentTeachers = [],
+        isLoading: currentTeachersLoading,
+    } = useGetCourseTeachersQuery(courseId, {skip: !courseId});
+
+    const {
+        data: currentStudents = [],
+        isLoading: currentStudentsLoading,
+    } = useGetCourseStudentsQuery(courseId, {skip: !courseId});
+
+    const [updateCourse, {isLoading: updating}] = useUpdateCourseMutation();
+    const [replaceTeachers] = useReplaceCourseTeachersMutation();
+    const [replaceStudents] = useReplaceCourseStudentsMutation();
+
+    const isLoading = teachersLoading || studentsLoading || updating || currentTeachersLoading || currentStudentsLoading;
+    const isError = teachersError || studentsError;
+
+    useEffect(() => {
+        if (selectedCourseToUpdate) {
+            form.setFieldsValue({
+                title: selectedCourseToUpdate.title,
+                description: selectedCourseToUpdate.description || "",
+                teacher_ids: currentTeachers.map(t => t.teacher_id),
+                student_ids: currentStudents.map(s => s.student_id),
+            });
+        }
+    }, [selectedCourseToUpdate, currentTeachers, currentStudents, form]);
+
+    const handleCancel = () => {
+        form.resetFields();
+        dispatch(setSelectedCourseToUpdate(null));
+    };
+
+    const handleOk = async () => {
+        try {
+            const values = await form.validateFields();
+
+            await updateCourse({
+                courseId: courseId,
+                title: values.title,
+                description: values.description || null,
+            }).unwrap();
+
+            const teachersPayload = (values.teacher_ids || []).map(id => ({teacher_id: id}));
+            await replaceTeachers({
+                courseId,
+                teachers: teachersPayload,
+            }).unwrap();
+
+            const studentsPayload = (values.student_ids || []).map(id => ({student_id: id}));
+            await replaceStudents({
+                courseId,
+                students: studentsPayload,
+            }).unwrap();
+
+            notification.success({
+                title: "Успех",
+                description: "Курс успешно обновлён!",
+            });
+
+            handleCancel();
+        } catch (error) {
+            notification.error({
+                title: "Ошибка",
+                description: error?.data?.detail || "Не удалось обновить курс",
+            });
+        }
+    };
+
+    return {
+        isModalOpen,
+        handleCancel,
+        handleOk,
+        form,
+        teachers: allTeachers,
+        students: allStudents,
+        isLoading,
+        isError,
+    };
+};
+
+export default useUpdateCourseModalForm;
\ No newline at end of file
diff --git a/web/src/Components/Pages/Courses/CoursesPage.jsx b/web/src/Components/Pages/CoursesPage/CoursesPage.jsx
similarity index 71%
rename from web/src/Components/Pages/Courses/CoursesPage.jsx
rename to web/src/Components/Pages/CoursesPage/CoursesPage.jsx
index f327676..ce02fd4 100644
--- a/web/src/Components/Pages/Courses/CoursesPage.jsx
+++ b/web/src/Components/Pages/CoursesPage/CoursesPage.jsx
@@ -8,7 +8,7 @@ import {
     Spin,
     Tag,
     Typography,
-    Avatar, Result, FloatButton, Tooltip,
+    Avatar, Result, FloatButton, Tooltip, Progress, Divider,
 } from "antd";
 import {
     PlusOutlined,
@@ -18,10 +18,15 @@ import {
 import useCoursesPage from "./useCoursesPage.js";
 import LoadingIndicator from "../../Widgets/LoadingIndicator/LoadingIndicator.jsx";
 import CreateCourseModalForm from "./Components/CreateCourseModalForm/CreateCourseModalForm.jsx";
+import UpdateCourseModalForm from "./Components/UpdateCourseModalForm/UpdateCourseModalForm.jsx";
+import {useNavigate} from "react-router-dom";
+import {useEffect, useState} from "react";
+import CONFIG from "../../../Core/сonfig.js";
 
 const {Title, Text} = Typography;
 
 const CoursesPage = () => {
+    const navigate = useNavigate();
     const {
         courses,
         isLoading,
@@ -32,6 +37,38 @@ const CoursesPage = () => {
         openEditModal,
     } = useCoursesPage();
 
+
+    const [courseProgress, setCourseProgress] = useState({});
+
+    useEffect(() => {
+        if (courses.length === 0) return;
+
+        const token = localStorage.getItem("access_token");
+        if (!token) return;
+
+        const fetchProgress = async () => {
+            const progress = {};
+            for (const course of courses) {
+                try {
+                    const res = await fetch(`${CONFIG.BASE_URL}/users/my-progress/${course.id}/`, {
+                        headers: {
+                            Authorization: `Bearer ${token}`,
+                        },
+                    });
+                    if (res.ok) {
+                        const data = await res.json();
+                        progress[course.id] = data; // data — это число, например 87.5
+                    }
+                } catch (err) {
+                    console.error("Progress fetch error for course", course.id);
+                }
+            }
+            setCourseProgress(progress);
+        };
+
+        fetchProgress();
+    }, [courses]);
+
     if (isLoading) {
         return (
             <LoadingIndicator/>
@@ -80,6 +117,7 @@ const CoursesPage = () => {
                                             color: "white",
                                             fontSize: 48,
                                         }}
+                                        onClick={() => navigate(`/courses/${course.id}`)}
                                     >
                                         {course.title[0].toUpperCase()}
                                     </div>
@@ -98,38 +136,28 @@ const CoursesPage = () => {
                                 }
                             >
                                 <Card.Meta
+                                    onClick={() => navigate(`/courses/${course.id}`)}
                                     title={<Title level={4}>{course.title}</Title>}
                                     description={
                                         course.description || <Text type="secondary">Без описания</Text>
                                     }
                                 />
-                                <Space direction="vertical" style={{width: "100%", marginTop: 16}}>
-                                    <Space>
-                                        <TeamOutlined/>
-                                        <Text>
-                                            {course.teachers?.length || 0} учител
-                                            {course.teachers?.length === 1 ? "ь" : "ей"}
-                                        </Text>
-                                    </Space>
-                                    <Space>
-                                        <UserOutlined/>
-                                        <Text>
-                                            {course.enrollments?.length || 0} студент
-                                            {course.enrollments?.length === 1 ? "" : "ов"}
-                                        </Text>
-                                    </Space>
-                                </Space>
 
                                 {course.teachers?.length > 0 && (
                                     <div style={{marginTop: 16}}>
                                         <Text type="secondary">Преподаватели:</Text>
-                                        <Avatar.Group maxCount={3} style={{marginTop: 8}}>
+                                        <Avatar.Group max={{count: 3}} style={{marginTop: 8}}>
                                             {course.teachers.map((t) => (
                                                 <Avatar key={t.teacher_id} style={{backgroundColor: "#1890ff"}}>
                                                     {t.teacher?.first_name?.[0] || "У"}
                                                 </Avatar>
                                             ))}
                                         </Avatar.Group>
+                                        <Divider/>
+                                        <Text type="secondary">Прогресс:</Text>
+                                        {courseProgress[course.id] !== undefined && (
+                                            <Progress percent={courseProgress[course.id]} size={[300, 20]}/>
+                                        )}
                                     </div>
                                 )}
                             </Card>
@@ -147,6 +175,7 @@ const CoursesPage = () => {
             </Tooltip>
 
             <CreateCourseModalForm/>
+            <UpdateCourseModalForm/>
         </div>
     );
 };
diff --git a/web/src/Components/Pages/Courses/useCoursesPage.js b/web/src/Components/Pages/CoursesPage/useCoursesPage.js
similarity index 56%
rename from web/src/Components/Pages/Courses/useCoursesPage.js
rename to web/src/Components/Pages/CoursesPage/useCoursesPage.js
index 75084bf..e9d45af 100644
--- a/web/src/Components/Pages/Courses/useCoursesPage.js
+++ b/web/src/Components/Pages/CoursesPage/useCoursesPage.js
@@ -1,16 +1,19 @@
-import {useGetAuthenticatedUserDataQuery} from "../../../Api/usersApi.js";
-import {useGetAllCoursesQuery} from "../../../Api/coursesApi.js";
+import {useGetAuthenticatedUserDataQuery, useGetMyCourseProgressQuery} from "../../../Api/usersApi.js";
+import {useGetAllCoursesQuery, useGetAllMyCoursesQuery} from "../../../Api/coursesApi.js";
 import CONFIG from "../../../Core/сonfig.js";
 import {ROLES} from "../../../Core/constants.js";
 import {useDispatch} from "react-redux";
-import {setOpenCreateCourseModal} from "../../../Redux/Slices/coursesSlice.js";
+import {setOpenCreateCourseModal, setSelectedCourseToUpdate} from "../../../Redux/Slices/coursesSlice.js";
+import {useEffect} from "react";
 
 
 const useCoursesPage = () => {
     const dispatch = useDispatch();
 
     const {data: userData, isLoading: isUserLoading} = useGetAuthenticatedUserDataQuery();
-    const {data: courses = [], isLoading, isCoursesLoading, isError} = useGetAllCoursesQuery();
+    const {data: courses = [], isLoading, isCoursesLoading, isError} = useGetAllMyCoursesQuery(undefined, {
+        pollingInterval: 20000,
+    });
 
     const isAdmin = userData?.role?.title === CONFIG.ROOT_ROLE_NAME;
     const isTeacher = [CONFIG.ROOT_ROLE_NAME, ROLES.TEACHER].includes(userData?.role?.title);
@@ -19,10 +22,14 @@ const useCoursesPage = () => {
         dispatch(setOpenCreateCourseModal(true));
     };
 
-    const closeCreateModal = () => {
-        dispatch(setOpenCreateCourseModal(false));
+    const openEditModal = (course) => {
+        dispatch(setSelectedCourseToUpdate(course));
     };
 
+    useEffect(() => {
+        window.document.title = "Система обучения lectio - Курсы";
+    }, []);
+
     return {
         courses,
         isLoading: isCoursesLoading || isUserLoading || isLoading,
@@ -30,7 +37,7 @@ const useCoursesPage = () => {
         isAdmin,
         isTeacher,
         openCreateModal,
-        closeModal: closeCreateModal,
+        openEditModal,
     };
 };
 
diff --git a/web/src/Components/Pages/LoginPage/useLoginPage.js b/web/src/Components/Pages/LoginPage/useLoginPage.js
index 455e734..e50011a 100644
--- a/web/src/Components/Pages/LoginPage/useLoginPage.js
+++ b/web/src/Components/Pages/LoginPage/useLoginPage.js
@@ -26,7 +26,7 @@ const LoginPage = () => {
             hasRedirected.current = true;
             navigate("/");
         }
-        document.title = "Аутентификация";
+        document.title = "Система обучения lectio - Аутентификация";
     }, [user, userData, isLoading, navigate]);
 
     const onFinish = async (loginData) => {
diff --git a/web/src/Components/Pages/ProfilePage/useProfilePage.js b/web/src/Components/Pages/ProfilePage/useProfilePage.js
index 9fe83fa..c13c514 100644
--- a/web/src/Components/Pages/ProfilePage/useProfilePage.js
+++ b/web/src/Components/Pages/ProfilePage/useProfilePage.js
@@ -13,7 +13,7 @@ const useProfilePage = () => {
     const [passwordForm] = Form.useForm();
 
     useEffect(() => {
-        window.document.title = "Профиль";
+        window.document.title = "Система обучения lectio - Профиль";
     }, []);
 
     const {
diff --git a/web/src/Redux/Slices/lessonsSlice.js b/web/src/Redux/Slices/lessonsSlice.js
new file mode 100644
index 0000000..edcf3b3
--- /dev/null
+++ b/web/src/Redux/Slices/lessonsSlice.js
@@ -0,0 +1,32 @@
+import {createSlice} from "@reduxjs/toolkit";
+
+
+const initialState = {
+    selectedLessonToUpdate: null,
+    openModalCreateLesson: false,
+    selectedLessonToView: null,
+};
+
+const lessonSlice = createSlice({
+    name: "lessons",
+    initialState,
+    reducers: {
+        setSelectedLessonToUpdate(state, action) {
+            state.selectedLessonToUpdate = action.payload;
+        },
+        setOpenModalCreateLesson(state, action) {
+            state.openModalCreateLesson = action.payload;
+        },
+        setSelectedLessonToView(state, action) {
+            state.selectedLessonToView = action.payload;
+        }
+    },
+});
+
+export const {
+    setSelectedLessonToUpdate,
+    setOpenModalCreateLesson,
+    setSelectedLessonToView,
+} = lessonSlice.actions;
+
+export default lessonSlice.reducer;
\ No newline at end of file
diff --git a/web/src/Redux/Slices/tasksSlice.js b/web/src/Redux/Slices/tasksSlice.js
new file mode 100644
index 0000000..eebe53d
--- /dev/null
+++ b/web/src/Redux/Slices/tasksSlice.js
@@ -0,0 +1,32 @@
+import {createSlice} from "@reduxjs/toolkit";
+
+
+const initialState = {
+    selectedTaskToUpdate: null,
+    openModalCreateTask: false,
+    selectedTaskToView: null,
+}
+
+const tasksSlice = createSlice({
+    name: "tasks",
+    initialState,
+    reducers: {
+        setSelectedTaskToUpdate: (state, action) => {
+            state.selectedTaskToUpdate = action.payload;
+        },
+        setOpenModalCreateTask: (state, action) => {
+            state.openModalCreateTask = action.payload;
+        },
+        setSelectedTaskToView: (state, action) => {
+            state.selectedTaskToView = action.payload;
+        },
+    },
+});
+
+export const {
+    setSelectedTaskToUpdate,
+    setOpenModalCreateTask,
+    setSelectedTaskToView,
+} = tasksSlice.actions;
+
+export default tasksSlice.reducer;
\ No newline at end of file
diff --git a/web/src/Redux/store.js b/web/src/Redux/store.js
index 068eec4..b3c023a 100644
--- a/web/src/Redux/store.js
+++ b/web/src/Redux/store.js
@@ -2,11 +2,17 @@ import {configureStore} from "@reduxjs/toolkit";
 import authReducer from "./Slices/authSlice.js";
 import usersReducer from "./Slices/usersSlice.js";
 import coursesReducer from "./Slices/coursesSlice.js";
+import lessonReducer from "./Slices/lessonsSlice.js";
+import tasksReducer from "./Slices/tasksSlice.js";
 import {authApi} from "../Api/authApi.js";
 import {usersApi} from "../Api/usersApi.js";
 import {rolesApi} from "../Api/rolesApi.js";
 import {statusesApi} from "../Api/statusesApi.js";
 import {coursesApi} from "../Api/coursesApi.js";
+import {lessonsApi} from "../Api/lessonsApi.js";
+import {tasksApi} from "../Api/tasksApi.js";
+import {solutionsApi} from "../Api/solutionsApi.js";
+import {commentsApi} from "../Api/commentsApi.js";
 
 export const store = configureStore({
     reducer: {
@@ -21,7 +27,17 @@ export const store = configureStore({
         [statusesApi.reducerPath]: statusesApi.reducer,
 
         courses: coursesReducer,
-        [coursesApi.reducerPath]: coursesApi.reducer
+        [coursesApi.reducerPath]: coursesApi.reducer,
+
+        lessons: lessonReducer,
+        [lessonsApi.reducerPath]: lessonsApi.reducer,
+
+        tasks: tasksReducer,
+        [tasksApi.reducerPath]: tasksApi.reducer,
+
+        [solutionsApi.reducerPath]: solutionsApi.reducer,
+
+        [commentsApi.reducerPath]: commentsApi.reducer,
     },
     middleware: (getDefaultMiddleware) => (
         getDefaultMiddleware().concat(
@@ -29,7 +45,11 @@ export const store = configureStore({
             usersApi.middleware,
             rolesApi.middleware,
             statusesApi.middleware,
-            coursesApi.middleware
+            coursesApi.middleware,
+            lessonsApi.middleware,
+            tasksApi.middleware,
+            solutionsApi.middleware,
+            commentsApi.middleware,
         )
     ),
 });