сделал миграции для базы данных

API/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+# Use forward slashes (/) also on windows to provide an os agnostic path
+script_location = app/database/migrations
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python>=3.9 or backports.zoneinfo library and tzdata library.
+# Any required deps can installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to ZoneInfo()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; This defaults
+# to app/database/migrations/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "version_path_separator" below.
+# version_locations = %(here)s/bar:%(here)s/bat:app/database/migrations/versions
+
+# version path separator; As mentioned above, this is the character used to split
+# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
+# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
+# Valid values for version_path_separator are:
+#
+# version_path_separator = :
+# version_path_separator = ;
+# version_path_separator = space
+# version_path_separator = newline
+#
+# Use os.pathsep. Default configuration used for new projects.
+version_path_separator = os
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = driver://user:pass@localhost/dbname
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the exec runner, execute a binary
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = %(here)s/.venv/bin/ruff
+# ruff.options = --fix REVISION_SCRIPT_FILENAME
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARNING
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARNING
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

API/app/database/migrations/README

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+Generic single-database configuration.

API/app/database/migrations/env.py

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+from logging.config import fileConfig
+from sqlalchemy import create_engine, pool
+from alembic import context
+
+from app.domain.models import Base
+from app.settings import settings
+
+config = context.config
+target_metadata = Base.metadata
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+
+def get_url():
+    return settings.DATABASE_URL
+
+
+def run_migrations_offline() -> None:
+    context.configure(
+        url=get_url(),
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    connectable = create_engine(get_url(), poolclass=pool.NullPool)
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

API/app/database/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

API/app/database/migrations/versions/d7d8af88f58b_initial_migration.py

@@ -0,0 +1,222 @@
+"""initial migration
+
+Revision ID: d7d8af88f58b
+Revises: 
+Create Date: 2025-02-09 12:52:46.145611
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'd7d8af88f58b'
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('appeals_topics',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=500), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('categories',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('notification_types',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=100), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('roles',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=100), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('step_types',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('task_types',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('users',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('first_name', sa.VARCHAR(length=150), nullable=False),
+    sa.Column('last_name', sa.VARCHAR(length=150), nullable=False),
+    sa.Column('patronymic', sa.VARCHAR(length=150), nullable=True),
+    sa.Column('gender', sa.Enum('MALE', 'FEMALE', 'NOTHING', name='usergenderenum'), nullable=False),
+    sa.Column('birthday', sa.Date(), nullable=False),
+    sa.Column('registration_date', sa.DateTime(), nullable=False),
+    sa.Column('login', sa.VARCHAR(length=150), nullable=False),
+    sa.Column('password', sa.String(), nullable=False),
+    sa.Column('email', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('role_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['role_id'], ['roles.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('login')
+    )
+    op.create_table('appeals',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('message', sa.String(), nullable=False),
+    sa.Column('created_date', sa.DateTime(), nullable=False),
+    sa.Column('status', sa.Enum('NEW', 'IN_PROGRESS', 'WAITING_FOR_USER_RESPONSE', 'WAITING_FOR_SPECIALIST_RESPONSE', 'RESOLVED', 'CLOSED', 'REJECTED', name='appealstatusenum'), nullable=False),
+    sa.Column('topic_id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['topic_id'], ['appeals_topics.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('courses',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.Column('category_id', sa.Integer(), nullable=False),
+    sa.Column('owner_user_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['category_id'], ['categories.id'], ),
+    sa.ForeignKeyConstraint(['owner_user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('course_students',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('enrollment_date', sa.Date(), nullable=False),
+    sa.Column('is_finished', sa.Boolean(), nullable=False),
+    sa.Column('course_id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('lessons',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.Column('course_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('notifications',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('text', sa.String(), nullable=False),
+    sa.Column('datetime_notification', sa.DateTime(), nullable=False),
+    sa.Column('is_read', sa.Boolean(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('type_id', sa.Integer(), nullable=False),
+    sa.Column('course_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['course_id'], ['courses.id'], ),
+    sa.ForeignKeyConstraint(['type_id'], ['notification_types.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('steps',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.VARCHAR(length=200), nullable=True),
+    sa.Column('lesson_id', sa.Integer(), nullable=False),
+    sa.Column('type_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['lesson_id'], ['lessons.id'], ),
+    sa.ForeignKeyConstraint(['type_id'], ['step_types.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('lectures',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('text', sa.String(), nullable=False),
+    sa.Column('image', sa.String(), nullable=True),
+    sa.Column('number', sa.Integer(), nullable=False),
+    sa.Column('step_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['step_id'], ['steps.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('step_tasks',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('text', sa.String(), nullable=False),
+    sa.Column('step_id', sa.Integer(), nullable=False),
+    sa.Column('type_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['step_id'], ['steps.id'], ),
+    sa.ForeignKeyConstraint(['type_id'], ['task_types.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('answer_options',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('answer', sa.String(), nullable=False),
+    sa.Column('is_current', sa.Boolean(), nullable=False),
+    sa.Column('task_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['task_id'], ['step_tasks.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('task_answers',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('answer_date', sa.DateTime(), nullable=False),
+    sa.Column('text', sa.String(), nullable=False),
+    sa.Column('is_current', sa.Boolean(), nullable=True),
+    sa.Column('comment', sa.String(), nullable=True),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('task_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['task_id'], ['step_tasks.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('task_files',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('file_path', sa.String(), nullable=False),
+    sa.Column('file_title', sa.String(), nullable=False),
+    sa.Column('task_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['task_id'], ['step_tasks.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('answer_files',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('file_path', sa.String(), nullable=False),
+    sa.Column('file_title', sa.String(), nullable=False),
+    sa.Column('answer_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['answer_id'], ['task_answers.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('test_answers',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('answer_date', sa.DateTime(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('answer_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['answer_id'], ['answer_options.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('test_answers')
+    op.drop_table('answer_files')
+    op.drop_table('task_files')
+    op.drop_table('task_answers')
+    op.drop_table('answer_options')
+    op.drop_table('step_tasks')
+    op.drop_table('lectures')
+    op.drop_table('steps')
+    op.drop_table('notifications')
+    op.drop_table('lessons')
+    op.drop_table('course_students')
+    op.drop_table('courses')
+    op.drop_table('appeals')
+    op.drop_table('users')
+    op.drop_table('task_types')
+    op.drop_table('step_types')
+    op.drop_table('roles')
+    op.drop_table('notification_types')
+    op.drop_table('categories')
+    op.drop_table('appeals_topics')
+    # ### end Alembic commands ###

API/app/domain/models/__init__.py

@@ -1,3 +1,24 @@
 from sqlalchemy.ext.declarative import declarative_base
 
-Base = declarative_base()
+Base = declarative_base()
+
+import app.domain.models.answer_files
+import app.domain.models.answer_options
+import app.domain.models.appeals
+import app.domain.models.appeals_topics
+import app.domain.models.categories
+import app.domain.models.courses
+import app.domain.models.course_students
+import app.domain.models.lectures
+import app.domain.models.lessons
+import app.domain.models.notification_types
+import app.domain.models.notifications
+import app.domain.models.roles
+import app.domain.models.steps
+import app.domain.models.step_tasks
+import app.domain.models.step_types
+import app.domain.models.task_answers
+import app.domain.models.task_files
+import app.domain.models.task_types
+import app.domain.models.test_answers
+import app.domain.models.users