#!/usr/bin/env python
# -*- encoding: utf-8 -*-
'''
@Date:2022/07/18 16:44:57
'''

from sqlalchemy import and_, or_, desc
from db_logic.db_base import Repository
from models.user_models import EntityUser
from common.utils import Utils

#用户操作业务逻辑类
class BllUser(Repository):
    #_instance_lock = threading.Lock()
    ##实现单例模式
    #def __new__(cls, *args, **kwargs):
    #    if not hasattr(BllUser, "_instance"):
    #        with BllUser._instance_lock:
    #            if not hasattr(BllUser, "_instance"):
    #                BllUser._instance = object.__new__(cls)
    #    return BllUser._instance

    def __init__(self, entityType=EntityUser):
        return super().__init__(entityType)

    #用户账号密码登录
    def login(self, userAccount, userPwd):
        d = Utils.MD5(userPwd)
        print(d)
        return self.findEntity(and_(EntityUser.Account == userAccount, EntityUser.Password == Utils.MD5(userPwd)))

    #根据条码获取用户
    def getUserByBarCode(self, barCode):
        return self.findEntity(EntityUser.BarCode == barCode)

    #获取用户列表
    def getUserList(self, customerId, pageParam, keyWord=''):
        keyWord = '%' + keyWord + '%'
        orm_query = self.findList().filter(EntityUser.CustomerId == customerId
                                           ).filter(or_(EntityUser.UserCode.like(keyWord), EntityUser.RealName.like(keyWord))).order_by(desc(EntityUser.CreateDate))
        return self.queryPage(orm_query, pageParam)

    #获取用户详情信息
    def getUserInfo(self, userId):
        return self.findEntity(userId)