Files
2026-09-21 17:11:35 +08:00

89 lines
3.0 KiB
Python

from typing import Optional
from fastapi import APIRouter
from pydantic import create_model, BaseModel, Field
from tortoise.contrib.pydantic import pydantic_model_creator
from common.exception_handler import CustomException
from common.result import Result, PageInfo
from models import Clazz
router = APIRouter(prefix="/clazz",tags=["班级管理"])
ClazzPydantic = pydantic_model_creator(Clazz)
ClazzCreatePydantic = create_model(
"ClazzCreatePydantic",
**{
name: (Optional[field.annotation], None)
for name, field in ClazzPydantic.model_fields.items()
},
major_id=(Optional[int], Field(None, alias="majorId"))
)
# 新增
@router.post("/add")
async def add(clazz_create_pydantic: ClazzCreatePydantic):
db_clazz = await Clazz.get_or_none(no=clazz_create_pydantic.no)
if db_clazz is not None:
raise CustomException("班级编号重复")
# 将参数转换成 字典数据
create_data = clazz_create_pydantic.model_dump(exclude_unset=True, exclude={"id"})
await Clazz.create(**create_data) # no=xxx,name=xxx,college=xxx
return Result.success()
# 更新
@router.put("/update")
async def add(clazz_create_pydantic: ClazzCreatePydantic):
if clazz_create_pydantic.id is None:
raise CustomException("缺少参数ID")
# 将参数转换成 字典数据
update_data = clazz_create_pydantic.model_dump(exclude_unset=True, exclude={"id"})
await Clazz.filter(id=clazz_create_pydantic.id).update(**update_data) # no=xxx,name=xxx,college=xxx where id = xxx
return Result.success()
# 删除
@router.delete('/delete/{clazz_id}')
async def delete(clazz_id: int):
await Clazz.filter(id=clazz_id).delete()
return Result.success()
# 单个查询
@router.get('/selectById/{clazz_id}')
async def select_by_id(clazz_id: int):
clazz = await Clazz.get_or_none(id=clazz_id)
return Result.success(clazz)
# 查询所有数据
@router.get('/selectAll')
async def select_all(name: str = ""):
clazz_list = await Clazz.filter(name__contains=name) # name__contains表示根据name进行模糊查询
return Result.success(clazz_list)
# 分页查询数据
@router.get('/selectPage')
async def select_page(name: str = "", pageNum: int = 1, pageSize: int = 10):
# name__contains表示根据name进行模糊查询 prefetch_related 关联查询到 major模块的数据
query = Clazz.filter(name__contains=name).prefetch_related("major")
clazz_list = await query.order_by("-id").offset((pageNum - 1) * pageSize).limit(pageSize)
total = await query.count()
# clazz_list 转成字典数据
# majorName 怎么返回??
# {id=xxx, name=xxx, no=xxx}
clazz_dict_list = [
{
**ClazzPydantic.model_validate(clazz).model_dump(), # id=xxx,no=xxx,name=xxx
"majorId": clazz.major.id if clazz.major else None,
"majorName": clazz.major.name if clazz.major else None
}
for clazz in clazz_list
]
page_info = PageInfo(list=clazz_dict_list, total=total)
return Result.success(page_info)