from OAPro import db
from datetime import datetime

class BaseModel(db.Model):
    """模型基类"""
    __abstract__ = True
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)

    def save(self):
        session = db.session()
        session.add(self)
        session.commit()

    def delete(self):
        session = db.session()
        session.delete(self)
        session.commit()

    def update(self):
        session = db.session()
        session.commit()

class Department(BaseModel):
    """部门表"""
    __tablename__ = ‘department‘
    dep_name = db.Column(db.String(32),unique=True)
    dep_description = db.Column(db.Text)
    d_e = db.relationship(‘Employee‘, backref=‘e_d‘)
    d_p = db.relationship(‘Position‘, backref=‘p_d‘)

class Position(BaseModel):
    """职位表"""
    __tablename__ = ‘position‘
    p_name = db.Column(db.String(32))
    level = db.Column(db.String(6))  # 职级
    description = db.Column(db.Text)  # 描述
    p_department = db.Column(db.Integer, db.ForeignKey(‘department.id‘),comment=‘职位的部门‘)
    p_e = db.relationship(‘Employee‘, backref=‘e_p‘)
    p_power = db.relationship(‘Power‘,backref = ‘power_p‘,secondary=‘position_power‘)

class Account(BaseModel):
    """账户表"""
    __tablename__=‘account‘
    username = db.Column(db.String(32),unique=True)
    password = db.Column(db.String(16) ,nullable=False)
    is_activate = db.Column(db.SmallInteger, server_default=db.text(‘0‘))  # 是否激活


class Employee(BaseModel):
    """职员表"""
    __tablename__ = ‘employee‘
    name = db.Column(db.String(32))
    gender = db.Column(db.String(4))
    age = db.Column(db.SmallInteger)
    nation = db.Column(db.String(16))
    education = db.Column(db.String(16))
    phone = db.Column(db.String(11))
    email = db.Column(db.String(32))
    photo = db.Column(db.String(32))
    join_time = db.Column(db.DATE)  # 入职时间
    emp_position = db.Column(db.Integer, db.ForeignKey(‘position.id‘))
    emp_department = db.Column(db.Integer, db.ForeignKey(‘department.id‘))
    account_id = db.Column(db.Integer, db.ForeignKey(‘account.id‘))
    e_n = db.relationship(‘Notice‘, backref=‘n_e‘)
    e_s = db.relationship(‘Salary‘, backref=‘s_e‘)
    e_l = db.relationship(‘Leave‘, backref=‘l_e‘)
    e_a = db.relationship(‘Account‘, backref=‘a_e‘, uselist=False) #一对一反向关系映射
    e_power=db.relationship(‘Power‘,backref=‘power_e‘,secondary=‘employee_power‘)

class Notice(BaseModel):
    """通告表"""
    __tablename__ = ‘notice‘
    title = db.Column(db.String(60),comment=‘标题‘)
    notice_type = db.Column(db.String(32))  # 通告的类型
    public_time = db.Column(db.DateTime,comment=‘发布时间‘,default=datetime.now)
    content = db.Column(db.Text)
    publisher = db.Column(db.Integer, db.ForeignKey(‘employee.id‘),comment=‘发布人‘)

class Leave(BaseModel):
    """假条表"""
    __tablename__ = ‘leave‘
    check_person = db.Column(db.String(32))  # 审核人
    check_person_id = db.Column(db.Integer)  # 审核人的id
    leave_time = db.Column(db.Date)  # 请假时间
    leave_type = db.Column(db.String(32))  # 请假类型
    leave_cause = db.Column(db.String(255))  # 请假原因
    leave_long = db.Column(db.SmallInteger)  # 请假时长
    leave_status = db.Column(db.String(16))  # 请假状态
    leave_employee = db.Column(db.Integer, db.ForeignKey(‘employee.id‘))  # 请假的员工

class Power(BaseModel):
    """权限表"""
    __tablename__ = ‘power‘
    power_name = db.Column(db.String(32))  # 权限名称
    power_obj = db.Column(db.String(32))  # 权限对象
    power_description = db.Column(db.Text)  # 权限描述

class Salary(BaseModel):
    """工资表"""
    __tablename__ = ‘salary‘
    give_time = db.Column(db.Date)  # 发放时间
    actual_amount = db.Column(db.DECIMAL(10,2))  # 实发金额
    welfare_deduction = db.Column(db.DECIMAL(10,2))   # 福利扣除
    tax_deduction = db.Column(db.DECIMAL(10,2))   # 个税扣除
    disc_deduction = db.Column(db.DECIMAL(10,2))   # 违纪扣除
    total = db.Column(db.DECIMAL(10,2))   # 总金额
    subsidy = db.Column(db.DECIMAL(10,2))   # 补助
    awards = db.Column(db.DECIMAL(10,2))  # 年终奖
    employee_id = db.Column(db.Integer, db.ForeignKey(‘employee.id‘))

# 职位权限关系表
position_power = db.Table(
    ‘position_power‘,#关系表名
    db.Column(‘position_id‘,db.Integer, db.ForeignKey(‘position.id‘)),
    db.Column(‘power_id‘,db.Integer, db.ForeignKey(‘power.id‘))
)

#员工权限关系表
employee_power = db.Table(
    ‘employee_power‘,#关系表名
    db.Column(‘employee_id‘,db.Integer,db.ForeignKey(‘employee.id‘)),
    db.Column(‘power_id‘,db.Integer,db.ForeignKey(‘power.id‘))
)