Files
SST/PythonProject/dao/employment_dao.py
2026-09-22 15:36:24 +08:00

81 lines
3.0 KiB
Python

from fastapi import HTTPException
from model.all_model import Employment_info, ClassManagement, Student_Model
from datetime import datetime
def get_emp_dao(db,stu_id=None,class_id=None,company_name=None,min_salary=None,max_salary=None):
q = db.query(Employment_info.emp_id
,Employment_info.stu_id
,Student_Model.stu_name
,Student_Model.class_id
,Employment_info.email
,Employment_info.employment_opening_date
,Employment_info.offer_issuance_date
,Employment_info.company_name
,Employment_info.company_address
,Employment_info.salary)\
.join(Student_Model,Employment_info.stu_id == Student_Model.stu_id)\
.join(ClassManagement,Student_Model.class_id == ClassManagement.class_id)\
.filter(Employment_info.delete_status == 0)\
.filter(Student_Model.delete_status == 0)\
.filter(ClassManagement.delete_status == 0)
if stu_id:
q = q.filter(Employment_info.stu_id == stu_id)
if class_id:
q = q.filter(ClassManagement.class_id == class_id)
if company_name:
q = q.filter(Employment_info.company_name == company_name)
if min_salary:
q = q.filter(Employment_info.salary >= min_salary)
if max_salary:
q = q.filter(Employment_info.salary <= max_salary)
r = q.all()
return r
def add_emp_dao(o,db):
try:
stu = db.query(Student_Model).filter(Student_Model.stu_id == o['stu_id']
, Student_Model.delete_status == 0).first()
if not stu:
raise HTTPException(status_code=404, detail='该学生不存在,无法添加就业信息')
exist = (db.query(Employment_info).filter(Employment_info.stu_id == o['stu_id']
,Employment_info.delete_status == 0).first())
if exist:
raise HTTPException(status_code=409, detail='该学生已有就业信息,请勿重复增加!')
e1 = Employment_info(**o)
db.add(e1)
db.commit()
return e1
except Exception as e:
db.rollback()
raise HTTPException(status_code=500, detail=f'新增就业信息失败: {e}')
def update_emp_dao(emp_id,emp,db):
try:
rows = db.query(Employment_info)\
.filter(Employment_info.emp_id == emp_id,Employment_info.delete_status == 0)\
.update(emp)
db.commit()
return rows
except:
db.rollback()
raise HTTPException(status_code=404,detail='该就业记录已存在')
def delete_emp_dao(emp_id:int,db):
try:
rows = db.query(Employment_info)\
.filter(Employment_info.emp_id == emp_id
,Employment_info.delete_status == 0)\
.update({'delete_status':1,'delete_time': datetime.now()})
db.commit()
except:
db.rollback()
rows = 0
finally:
return rows