from pydantic import BaseModel,Field
from datetime import date,datetime
from typing import Optional,List

#基础班级请求体
class ClassBase(BaseModel):
    class_teacher:str|None = Field(None,description='班主任')
    class_lecturer:str|None = Field(None,description='授课老师')
    class_start_time:date|None = Field(None,description='开班日期')
    class_end_time:date|None = Field(None,description='结课日期')

#新增班级请求体模型
class ClassCreate(ClassBase):
    class_name:str = Field(..., description='班级名称')

#修改班级请求体模型
class ClassUpdate(ClassBase):
    class_name:str = Field(None,description='班级名称')


class ClassInfoResp(BaseModel):
    class_id:int
    class_name:str
    class_teacher:str
    class_lecturer:str
    class_start_time:date
    class_end_time:date
    create_time:datetime
    update_time:datetime

    class Config:
        from_attributes = True


class ClassResponse(BaseModel):
    code:int = 200
    detail:str = 'OK'
    totals:int = 0
    data:str|dict|tuple|list
    msg:str = 'OK'