88 lines
2.3 KiB
Python
88 lines
2.3 KiB
Python
from sqlalchemy import select, desc, func
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from sqlalchemy.orm import Session, selectinload
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from models.family import Records, Comments
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from schemas.record import RecordCreate, RecordUpdate, RecordResponse, RecordPageResponse
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def get_all_records(db: Session, skip: int = 0, limit: int = 20) -> list[RecordResponse]:
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result = db.execute(
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select(Records)
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.options(
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selectinload(Records.user),
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selectinload(Records.comments).selectinload(Comments.user),
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)
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.order_by(desc(Records.create_time))
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.offset(skip)
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.limit(limit)
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)
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records = result.scalars().all()
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return [RecordResponse.model_validate(r) for r in records]
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def get_all_records_by_page(db: Session, page: int = 1, size: int = 20) -> RecordPageResponse:
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base_query = select(Records).options(
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selectinload(Records.user),
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selectinload(Records.comments).selectinload(Comments.user),
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)
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# 总数
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total = db.scalar(
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select(func.count()).select_from(base_query.subquery())
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)
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# 分页数据
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records = db.execute(
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base_query
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.order_by(Records.create_time.desc())
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.offset((page - 1) * size)
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.limit(size)
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).scalars().all()
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return RecordPageResponse(
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records=[RecordResponse.model_validate(r) for r in records],
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total=total,
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page=page,
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size=size,
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pages=(total + size - 1) // size,
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)
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def create_record(db: Session, record_dto: RecordCreate) -> bool:
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data = record_dto.model_dump()
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record = Records(**data)
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db.add(record)
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db.commit()
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db.refresh(record)
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return True
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def get_record_by_id(db: Session, record_id: int) -> Records | None:
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result = db.execute(select(Records).where(Records.id == record_id))
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return result.scalar_one_or_none()
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def update_record(db: Session, record_id: int, record_dto: RecordUpdate) -> bool:
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record = get_record_by_id(db, record_id)
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if not record:
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return False
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for field, value in record_dto.model_dump(exclude_unset=True).items():
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setattr(record, field, value)
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db.commit()
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db.refresh(record)
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return True
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def delete_record(db: Session, record_id: int) -> bool:
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record = get_record_by_id(db, record_id)
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if not record:
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return False
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db.delete(record)
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db.commit()
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return True
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