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51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
# app/crud/crud_source.py
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"""
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信息源 CRUD：对 InfoSource 的增删改查，供 API 与爬虫使用
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"""
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from sqlite3 import IntegrityError
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from sqlalchemy.orm import Session
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from typing import List, Optional
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from app.models.models import InfoSource
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from app.schemas.source_schema import InfoSourceCreate, InfoSourceUpdate
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def get(db: Session, source_id: int) -> Optional[InfoSource]:
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"""通过 ID 获取单条信息源"""
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return db.query(InfoSource).filter(InfoSource.id == source_id).first()
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def get_multi(db: Session, skip: int = 0, limit: int = 100) -> List[InfoSource]:
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"""获取所有信息源列表（支持分页）"""
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return db.query(InfoSource).offset(skip).limit(limit).all()
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def create(db: Session, obj_in: InfoSourceCreate) -> InfoSource:
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"""创建新的信息源"""
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db_obj = InfoSource(**obj_in.model_dump())
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try:
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db.add(db_obj)
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db.commit()
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db.refresh(db_obj)
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return db_obj
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except IntegrityError:
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db.rollback()
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finally:
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db.close()
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return db_obj
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def update(db: Session, db_obj: InfoSource, obj_in: InfoSourceUpdate) -> InfoSource:
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"""更新信息源，仅更新前端传入的字段（exclude_unset=True）"""
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update_data = obj_in.model_dump(exclude_unset=True)
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# 遍历更新模型对象的属性
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for field, value in update_data.items():
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setattr(db_obj, field, value)
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db.add(db_obj)
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db.commit()
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db.refresh(db_obj)
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return db_obj
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