#!/usr/bin/env python
# -*- encoding: utf-8 -*-
'''
@Date:2022/07/13 17:07:42
'''
import threading
from sqlalchemy import or_, desc

from DataEntity.WarningModels import EntityWarning
from Business.Repository import Repository

# 功能模块


class BllWarning(Repository):
    _instance_lock = threading.Lock()
    # #实现单例模式
    # def __new__(cls, *args, **kwargs):
    #     if not hasattr(BllWarning, "_instance"):
    #         with BllWarning._instance_lock:
    #             if not hasattr(BllWarning, "_instance"):
    #                 BllWarning._instance = object.__new__(cls)
    #     return BllWarning._instance

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

    # 定义通过搜索预警对象进行模糊查询
    def like_warning_list(self, searchValue, page, limi):
        if len(str(page)) == 0 and len(str(limi)) == 0:
            return self.findList(or_(EntityWarning.object_name.like('%' + searchValue + '%'), EntityWarning.warning_content.like('%' + searchValue + '%'))).order_by(desc(EntityWarning.warning_date), desc(EntityWarning.is_solve)).all()
        return self.findList(or_(EntityWarning.object_name.like('%' + searchValue + '%'), EntityWarning.warning_content.like('%' + searchValue + '%'))).order_by(desc(EntityWarning.warning_date), desc(EntityWarning.is_solve)).offset((page-1)*limi).limit(limi).all()