97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
from class_management.model.class_management_model import ClassInfo
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from sqlalchemy.orm import Session
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#查询
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def get_class_dao(c:dict,db:Session) :
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q = db.query(ClassInfo).filter(ClassInfo.is_delete == 0)#is_delete=0代表未删除
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if c.get('id'):
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q = q.filter(ClassInfo.id == c.get('id'))
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if c.get('num'):
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q = q.filter(ClassInfo.num == c.get('num'))
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if c.get('name'):
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q = q.filter(ClassInfo.name == c.get('name'))
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if c.get('head_teacher_id'):
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q = q.filter(ClassInfo.head_teacher_id == c.get('head_teacher_id'))
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if c.get('coach_teacher_id'):
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q = q.filter(ClassInfo.coach_teacher_id == c.get('coach_teacher_id'))
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if c.get('tutor_teacher_id'):
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q = q.filter(ClassInfo.tutor_teacher_id == c.get('tutor_teacher_id'))
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if c.get('class_start_time'):
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q = q.filter(ClassInfo.class_start_time == c.get('class_start_time'))
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if c.get('class_end_time'):
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q = q.filter(ClassInfo.class_end_time == c.get('class_end_time'))
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res = q.all()
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if not res:
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return []
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return[
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{'id':i.id
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,'num':i.num
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,'name':i.name
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,'head_teacher_id':i.head_teacher_id
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,'coach_teacher_id':i.coach_teacher_id
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,'tutor_teacher_id':i.tutor_teacher_id
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,'class_start_time':i.class_start_time
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,'class_end_time':i.class_end_time
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,"is_delete": i.is_delete
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,"create_time": i.create_time
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,"update_time": i.update_time
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} for i in res
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]
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#新增班级
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def add_class_dao(c:dict,db:Session):
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try:
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exist_class = db.query(ClassInfo)\
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.filter(ClassInfo.name == c['name']
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,ClassInfo.is_delete == 0)\
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.first()
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if exist_class:
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msg = '班级名称已存在'
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print(msg)
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return (False,msg)
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c1 = ClassInfo(**c)
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db.add(c1)
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db.commit()
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db.refresh(c1)
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return (True,None)
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except Exception as e:
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db.rollback()
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err_msg = f'数据库异常：{str(e)}'
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print(err_msg)
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return (False,err_msg)
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#修改
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def update_class_dao(cid:int,update_data,db):
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try:
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rows = db.query(ClassInfo)\
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.filter(ClassInfo.id == cid
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,ClassInfo.is_delete==0)\
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.update(update_data)
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db.commit()
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return rows
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except Exception as e:
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db.rollback()
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print(f"update_class_dao异常:{e}")
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return 0
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#删除(逻辑删除)
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def delete_class_dao(cid,db):
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try:
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rows = db.query(ClassInfo)\
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.filter(ClassInfo.id == cid,ClassInfo.is_delete==0)\
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.update({'is_delete':1})
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db.commit()
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return rows
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except Exception as e:
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db.rollback()
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print(f"delete_class_dao异常:{e}")
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rows = 0
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