from sqlalchemy import (Column, Integer,VARCHAR,DateTime
                        )
from sqlalchemy.dialects.mssql import TINYINT

from core.database import Base
from datetime import datetime

# teachers 老师表 ORM 模型
#字段包括id,teacher_no,teacher_name,phone,email,remark,created_at,updated_at,is_deleted
class Teacher(Base):
    __tablename__ = 'teacher_info_detail'
    id = Column(
         Integer
        , primary_key=True
        ,autoincrement=True
        ,comment='老师主键')
    teacher_no = Column(
        VARCHAR(50)
        ,nullable=False
        ,unique=True
        ,comment='老师编号'
    )
    teacher_name = Column(
        VARCHAR(50)
        ,nullable=False
        ,comment='老师名字'
    )
    phone = Column(
        VARCHAR(20)
        ,nullable=True
        ,comment='老师电话'
    )
    email = Column(
        VARCHAR(100)
        ,nullable=True
        ,comment='邮箱'
    )
    remark = Column(
        VARCHAR(2550)
        ,nullable=True
        ,comment='备注'
    )
    created_at = Column(
        DateTime
        ,nullable=False
        ,default=datetime.now
        ,comment='创建时间'
    )
    updated_at = Column(
        DateTime
        ,nullable=False
        ,default=datetime.now
        ,comment='更新时间'
    )
    is_deleted = Column(
        TINYINT
        ,nullable=False
        ,default=0
        ,comment='逻辑删除'
    )