52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from typing import Optional, List, Sequence
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.domain.models import CourseTeacher
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class CourseTeachersRepository:
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def __init__(self, db: AsyncSession):
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self.db = db
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async def get_by_course_id(self, course_id: int) -> Sequence[CourseTeacher]:
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query = (
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select(CourseTeacher)
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.filter_by(course_id=course_id)
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)
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results = await self.db.execute(query)
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return results.scalars().all()
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async def get_by_teacher_id(self, teacher_id: int) -> Sequence[CourseTeacher]:
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query = (
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select(CourseTeacher)
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.filter_by(teacher_id=teacher_id)
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)
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results = await self.db.execute(query)
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return results.scalars().all()
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async def get_by_id(self, course_teacher_id: int) -> Optional[CourseTeacher]:
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query = (
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select(CourseTeacher)
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.filter_by(id=course_teacher_id)
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)
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results = await self.db.execute(query)
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return results.scalars().first()
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async def create_list(self, course_teachers: List[CourseTeacher]) -> List[CourseTeacher]:
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self.db.add_all(course_teachers)
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await self.db.commit()
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for course_teacher in course_teachers:
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await self.db.refresh(course_teacher)
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return course_teachers
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async def delete_list(self, course_teachers: List[CourseTeacher] | Sequence[CourseTeacher]) -> List[CourseTeacher]:
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for course_teacher in course_teachers:
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await self.db.delete(course_teacher)
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await self.db.commit()
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return course_teachers
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