ASJServer/Service/CommonService.py

import base64
import calendar
import datetime
import time
from base64 import encodebytes
from distutils.version import LooseVersion
from pathlib import Path
from random import Random

import OpenSSL.crypto as ct
import ipdb
import requests
import simplejson as json
from dateutil.relativedelta import relativedelta
from django.core import serializers
from django.db.models import F
from django.utils import timezone
from django.utils.crypto import constant_time_compare
from pyipip import IPIPDatabase

from Ansjer.config import BASE_DIR, SERVER_DOMAIN_SSL, CONFIG_INFO, CONFIG_TEST, CONFIG_CN, SERVER_DOMAIN_TEST, \
    SERVER_DOMAIN_CN, SERVER_DOMAIN_US, CONFIG_US, CONFIG_EUR, SERVER_DOMAIN_LIST, SERVER_DOMAIN_EUR
from Controller.CheckUserData import RandomStr
from Model.models import iotdeviceInfoModel, Device_Info, UIDModel, AppDeviceType, UIDCompanySerialModel, GatewayPush, \
    Device_User
from Object.ResponseObject import ResponseObject
from Object.TokenObject import TokenObject


class CommonService:
    # 高复用性函数类

    @staticmethod
    def get_kwargs(data=None):
        # 添加模糊搜索
        if data is None:
            data = {}
        kwargs = {}
        for (k, v) in data.items():
            if v is not None and v != u'':
                kwargs[k + '__icontains'] = v
        return kwargs

    @staticmethod
    def qs_to_dict(query_set):
        # 格式化query_set转dict
        sqlJSON = serializers.serialize('json', query_set)
        sqlList = json.loads(sqlJSON)
        sqlDict = dict(zip(["datas"], [sqlList]))
        return sqlDict

    # 格式化query_set转dict
    @staticmethod
    def request_dict_to_dict(request_dict):
        # 传参格式转换,键包含meta获取meta[]中的值,值'true'/'false'转为True,False
        key_list = []
        value_list = []
        for k, v in request_dict.items():
            key_list.append(k[k.index('[') + 1:k.index(']')] if 'meta' in k else k)
            if v == 'true':
                v = True
            elif v == 'false':
                v = False
            value_list.append(v)
        data_dict = dict(zip(key_list, value_list))
        print(data_dict)
        return data_dict

    # 获取文件大小
    @staticmethod
    def get_file_size(file_path='', suffix_type='', decimal_point=0):

        # for x in ['bytes', 'KB', 'MB', 'GB', 'TB']:
        # path = Path() / 'D:/TestServer/123444.mp4'
        path = Path() / file_path
        size = path.stat().st_size
        mb_size = 0.0
        if suffix_type == 'MB':
            mb_size = size / 1024.0 / 1024.0
        if decimal_point != 0:
            mb_size = round(mb_size, decimal_point)
        return mb_size

    @staticmethod
    def get_param_flag(data=None):
        # print(data)
        if data is None:
            data = []
        flag = True
        for v in data:
            if v is None:
                flag = False
                break
        return flag

    @staticmethod
    def get_ip_address(request):
        """
        获取ip地址
        :param request:
        :return:
        """
        try:
            real_ip = request.META['HTTP_X_FORWARDED_FOR']
            clientIP = real_ip.split(",")[0]
        except:
            try:
                clientIP = request.META['REMOTE_ADDR']
            except Exception as e:
                clientIP = ''
        return clientIP

    # @获取一天每个小时的datetime.datetime
    @staticmethod
    def getTimeDict(times):
        time_dict = {}
        t = 0
        for x in range(24):
            if x < 10:
                x = '0' + str(x)
            else:
                x = str(x)
            a = times.strftime("%Y-%m-%d") + " " + x + ":00:00"
            time_dict[t] = timezone.datetime.strptime(a, '%Y-%m-%d %H:%M:%S')
            t += 1
        return time_dict

    # 根据ip获取地址
    @staticmethod
    def getAddr(ip):
        print('start_time=' + str(time.time()))
        base_dir = BASE_DIR
        # ip数据库
        db = IPIPDatabase(base_dir + '/DB/17monipdb.dat')
        addr = db.lookup(ip)
        # ModelService.add_tmp_log(addr)
        ts = addr.split('\t')[0]
        print('end_time=' + str(time.time()))
        return ts

    # 通过ip检索ipip指定信息 lang为CN或EN
    @staticmethod
    def getIpIpInfo(ip, lang, update=False):
        ipbd_dir = BASE_DIR + "/DB/mydata4vipday2.ipdb"
        db = ipdb.City(ipbd_dir)
        if update:
            rr = db.reload(ipbd_dir)
        info = db.find_map(ip, lang)
        return info

    @staticmethod
    def getUserID(userPhone='13800138000', getUser=True, setOTAID=False, μs=True):
        if μs == True:
            if getUser == True:
                timeID = str(round(time.time() * 1000000))
                userID = timeID + userPhone

                return userID
            else:
                if setOTAID == False:
                    timeID = str(round(time.time() * 1000000))
                    ID = userPhone + timeID

                    return ID
                else:
                    timeID = str(round(time.time() * 1000000))
                    eID = '13800' + timeID + '138000'
                    return eID
        else:
            if getUser == True:
                timeID = str(round(time.time() * 1000))
                userID = timeID + userPhone

                return userID
            else:
                if setOTAID == False:
                    timeID = str(round(time.time() * 1000))
                    ID = userPhone + timeID

                    return ID
                else:
                    timeID = str(round(time.time() * 1000))
                    eID = '13800' + timeID + '138000'
                    return eID

    @staticmethod
    def get_username(userID):
        """
        根据用户id获取用户名/邮箱/电话
        @param userID: 用户id
        @return:
        """
        if userID:
            device_user_qs = Device_User.objects.filter(userID=userID).values('username', 'userEmail', 'phone')
            if device_user_qs.exists():
                if device_user_qs[0]['username']:
                    return device_user_qs[0]['username']
                elif device_user_qs[0]['userEmail']:
                    return device_user_qs[0]['userEmail']
                elif device_user_qs[0]['phone']:
                    return device_user_qs[0]['phone']
        return ''

    # 生成随机数
    @staticmethod
    def RandomStr(randomlength=8, number=True):
        str = ''
        if number == False:
            characterSet = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsT' \
                           'tUuVvWwXxYyZz0123456789'
        else:
            characterSet = '0123456789'

        length = len(characterSet) - 1

        random = Random()
        for index in range(randomlength):
            str += characterSet[random.randint(0, length)]
        return str

    # 生成订单好
    @staticmethod
    def createOrderID():
        random_id = CommonService.RandomStr(6, True)
        order_id = datetime.datetime.now().strftime('%Y%m%d%H%M%S') + str(random_id)
        print('orderID:')
        print(order_id)
        return order_id

    # qs转换list datetime处理
    @staticmethod
    def qs_to_list(qs):
        res = []
        # print(qs)
        for ps in qs:
            try:
                if 'time' in ps:
                    ps['time'] = ps['time'].strftime("%Y-%m-%d %H:%M:%S")
                if 'add_time' in ps:
                    ps['add_time'] = ps['add_time'].strftime("%Y-%m-%d %H:%M:%S")
                if 'update_time' in ps:
                    ps['update_time'] = ps['update_time'].strftime("%Y-%m-%d %H:%M:%S")
                if 'end_time' in ps:
                    ps['end_time'] = ps['end_time'].strftime("%Y-%m-%d %H:%M:%S")
                if 'data_joined' in ps:
                    if ps['data_joined']:
                        ps['data_joined'] = ps['data_joined'].strftime("%Y-%m-%d %H:%M:%S")
                    else:
                        ps['data_joined'] = ''
                if 'userID__data_joined' in ps:
                    if ps['userID__data_joined']:
                        ps['userID__data_joined'] = ps['userID__data_joined'].strftime("%Y-%m-%d %H:%M:%S")
                    else:
                        ps['userID__data_joined'] = ''
            except Exception as e:
                pass
            res.append(ps)
        return res

    # 获取当前时间
    @staticmethod
    def get_now_time_str(n_time, tz, lang):
        print(n_time)
        print(tz)
        print(lang)
        n_time = int(n_time) + 3600 * float(tz)
        if lang == 'cn':
            return time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(int(n_time)))
        else:
            return time.strftime('%m-%d-%Y %H:%M:%S', time.gmtime(int(n_time)))

    # 生成随机数
    @staticmethod
    def encrypt_data(randomlength=8, number=False):
        str = ''
        if number == False:
            characterSet = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsT' \
                           'tUuVvWwXxYyZz0123456789'
        else:
            characterSet = '0123456789'

        length = len(characterSet) - 1

        random = Random()
        for index in range(randomlength):
            str += characterSet[random.randint(0, length)]
        return str

    @staticmethod
    def encode_data(content, start=1, end=4):
        """
        数据加密
        @param content: 数据内容
        @param start: 起始长度
        @param end: 结束长度
        @return content: 加密的数据
        """
        if not content:
            return ''
        for i in range(start, end):
            length = end - i
            content = RandomStr(length, False) + content + RandomStr(length, False)
            content = base64.b64encode(str(content).encode('utf-8')).decode('utf8')
        return content

    @staticmethod
    def decode_data(content, start=1, end=4):
        """
        数据解密
        @param content: 数据内容
        @param start: 起始长度
        @param end: 结束长度
        @return content: 解密的数据
        """
        if not content:
            return ''
        for i in range(start, end):
            content = base64.b64decode(content)
            content = content.decode('utf-8')
            content = content[i:-i]
        return content

    # 把格式化时间转换成时间戳
    @staticmethod
    def str_to_timestamp(str_time=None, format='%Y-%m-%d %H:%M:%S'):
        if str_time:
            time_tuple = time.strptime(str_time, format)  # 把格式化好的时间转换成元祖
            result = time.mktime(time_tuple)  # 把时间元祖转换成时间戳
            return int(result)
        return int(time.time())

    # 把时间戳转换成格式化
    @staticmethod
    def timestamp_to_str(timestamp=None, format='%Y-%m-%d %H:%M:%S'):
        if timestamp:
            time_tuple = time.localtime(timestamp)  # 把时间戳转换成时间元祖
            result = time.strftime(format, time_tuple)  # 把时间元祖转换成格式化好的时间
            return result
        else:
            return time.strptime(format)

    @staticmethod
    def get_date_from_timestamp(timestamp, timezone_offset):
        # 创建时区对象
        tz = datetime.timezone(datetime.timedelta(hours=timezone_offset))
        # 使用时间戳创建 datetime 对象
        dt = datetime.datetime.fromtimestamp(timestamp, tz)
        # 格式化成 '%Y-%m-%d'
        formatted_date = dt.strftime('%Y-%m-%d %H:%M:%S')
        return formatted_date

    # 计算N个月后的时间戳
    @staticmethod
    def calcMonthLater(addMonth, unix_timestamp=None):
        if unix_timestamp:
            now_year = time.localtime(unix_timestamp).tm_year
            now_month = time.localtime(unix_timestamp).tm_mon
            now_day = time.localtime(unix_timestamp).tm_mday
            now_hour = time.localtime(unix_timestamp).tm_hour
            now_min = time.localtime(unix_timestamp).tm_min
            now_second = time.localtime(unix_timestamp).tm_sec
        else:
            now_year = datetime.datetime.now().year
            now_month = datetime.datetime.now().month
            now_day = datetime.datetime.now().day
            now_hour = datetime.datetime.now().hour
            now_min = datetime.datetime.now().minute
            now_second = datetime.datetime.now().second
        for add in range(addMonth):
            if now_month == 12:
                now_year += 1
                now_month = 1
            else:
                now_month += 1

        timestamps = 0
        for is_format in range(4):
            try:
                date_format = '{now_year}-{now_month}-{now_day} {now_hour}:{now_min}:{now_second}' \
                    .format(now_year=now_year, now_month=now_month, now_day=now_day, now_hour=now_hour,
                            now_min=now_min, now_second=now_second)
                timestamps = CommonService.str_to_timestamp(date_format)
            except Exception as e:
                if str(e) == 'day is out of range for month':
                    now_day = now_day - 1
        return timestamps

    @staticmethod
    def updateMac(mac: str):
        macArray = mac.split(':')

        macArray[0] = int(macArray[0], 16)
        macArray[1] = int(macArray[1], 16)
        macArray[2] = int(macArray[2], 16)
        first = int(macArray[5], 16)
        second = int(macArray[4], 16)
        three = int(macArray[3], 16)

        if first == 255 and second == 255 and three == 255:
            return None

        first += 1

        if first / 256 == 1:
            second += 1
            first = first % 256

        if second / 256 == 1:
            three += 1
            second = second % 256

        macArray[3] = three
        macArray[4] = second
        macArray[5] = first

        tmp = ':'.join(map(lambda x: "%02x" % x, macArray))
        return tmp.upper()

    @staticmethod
    def encode_data_without_salt(content):
        return base64.b64encode(str(content).encode("utf-8")).decode('utf8')

    @staticmethod
    def check_time_stamp_token(token, time_stamp):
        # 时间戳token校验
        if not all([token, time_stamp]):
            return False
        try:
            token = int(CommonService.decode_data(token))
            time_stamp = int(time_stamp)
            now_time = int(time.time())
            distance = now_time - time_stamp
            if token != time_stamp or distance > 60000 or distance < -60000:  # 为了全球化时间控制在一天内
                return False
            return True
        except Exception as e:
            print(e)
            return False

    @staticmethod
    def check_time_stamp_token_without_distance(time_stamp_token, time_stamp):
        """
        用于没有RTC设备的时间戳token校验
        @param time_stamp: 时间戳
        @param time_stamp_token: 时间戳token
        @return: boolean True/False
        """

        if not all([time_stamp_token, time_stamp]):
            return False
        try:
            token = CommonService.decode_data(time_stamp_token)
            if token != time_stamp:
                return False
            return True
        except Exception as e:
            print(e)
            return False

    @staticmethod
    def req_publish_mqtt_msg(identification_code, topic_name, msg, qos=1):
        """
        通用发布MQTT消息函数
        @param identification_code: 标识码
        @param topic_name: 主题名
        @param msg: 消息内容
        @param qos: mqtt qos等级
        @return: boolean
        """
        if not all([identification_code, topic_name]):
            return False

        if identification_code.endswith('11L'):
            thing_name = 'LC_' + identification_code
        else:
            thing_name = 'Ansjer_Device_' + identification_code

        try:
            # 获取数据组织将要请求的url
            iot = iotdeviceInfoModel.objects.filter(
                thing_name=thing_name).values(
                'endpoint', 'token_iot_number')
            if not iot.exists():
                return False
            endpoint = iot[0]['endpoint']
            Token = iot[0]['token_iot_number']

            # api doc: https://docs.aws.amazon.com/zh_cn/iot/latest/developerguide/http.html
            # url: https://IoT_data_endpoint/topics/url_encoded_topic_name?qos=1
            # post请求url发布MQTT消息
            url = 'https://{}/topics/{}?qos={}'.format(endpoint, topic_name, qos)
            authorizer_name = 'Ansjer_Iot_Auth'
            signature = CommonService.rsa_sign(Token)  # Token签名
            headers = {
                'x-amz-customauthorizer-name': authorizer_name,
                'Token': Token,
                'x-amz-customauthorizer-signature': signature}
            r = requests.post(url=url, headers=headers, json=msg, timeout=2)
            if r.status_code == 200:
                res = r.json()
                if res['message'] == 'OK':
                    return True
                return False
            else:
                return False
        except Exception as e:
            return False

    @staticmethod
    def rsa_sign(Token):
        # 私钥签名Token
        if not Token:
            return ''
        private_key_file = '''-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----'''
        # 使用密钥文件方式
        # private_key_file_path = os.path.join(BASE_DIR, 'static/iotCore/private.pem')#.replace('\\', '/')
        # private_key_file = open(private_key_file_path, 'r')
        private_key = ct.load_privatekey(ct.FILETYPE_PEM, private_key_file)
        signature = ct.sign(private_key, Token.encode('utf8'), 'sha256')
        signature = encodebytes(signature).decode('utf8').replace('\n', '')
        # print('signature:', signature)
        return signature

    @staticmethod
    def get_payment_status_url(lang, payment_status):
        # 返回相应的支付状态url
        if lang == 'cn':
            file_name = 'success.html' if payment_status == 'success' else 'fail.html'
        else:
            file_name = 'en_success.html' if payment_status == 'success' else 'en_fail.html'
        pay_failed_url = "{}web/paid2/{}".format(SERVER_DOMAIN_SSL, file_name)
        return pay_failed_url

    # 根据uid查询序列号,存在则返回序列号,否则返uid
    @staticmethod
    def query_serial_with_uid(uid):
        device_info_qs = Device_Info.objects.filter(UID=uid).values('serial_number')
        if device_info_qs.exists():
            serial_number = device_info_qs[0]['serial_number']
            if serial_number:
                return serial_number
        return uid

    # 根据序列号查询uid,存在则返回uid,否则返回序列号
    @staticmethod
    def query_uid_with_serial(serial_number):
        device_info_qs = Device_Info.objects.filter(serial_number=serial_number).values('UID')
        if device_info_qs.exists():
            uid = device_info_qs[0]['UID']
            if uid:
                return uid
        return serial_number

    @staticmethod
    def get_full_serial_number(uid, serial_number, device_type):
        """
        根据uid查询返回完整序列号
        @param uid: uid
        @param serial_number: 9位序列号
        @param device_type: 设备类型
        @return: full_serial_number
        """
        p2p_type = str(UIDModel.objects.filter(uid=uid).values('p2p_type')[0]['p2p_type'])
        # 设备类型转为16进制并补齐4位
        device_type = hex(device_type)[2:]
        device_type = (4 - len(device_type)) * '0' + device_type
        full_serial_number = serial_number + p2p_type + device_type
        return full_serial_number

    # 根据企业标识返回物品名
    @staticmethod
    def get_thing_name(company_mark, thing_name_suffix):
        if company_mark == '11A':
            return 'Ansjer_Device_' + thing_name_suffix
        elif company_mark == '11L':
            return 'LC_' + thing_name_suffix
        else:
            return thing_name_suffix

    @staticmethod
    def confirm_region_id():
        """
        根据配置信息确定region_id
        @return: region_id
        """
        region_id = 3
        if CONFIG_INFO == CONFIG_US:  # 美洲
            region_id = 3
        elif CONFIG_INFO == CONFIG_EUR:  # 欧洲
            region_id = 4
        elif CONFIG_INFO == CONFIG_CN:  # 中国
            region_id = 1
        elif CONFIG_INFO == CONFIG_TEST:  # 测试
            region_id = 5
        return region_id

    @staticmethod
    def verify_token_get_user_id(request_dict, request):
        """
        认证token,获取user id
        @param request_dict: 请求参数
        @param request: 请求体
        @return: token_obj.code, token_obj.userID, response
        """
        try:
            token_obj = TokenObject(request.META.get('HTTP_AUTHORIZATION'))
            lang = request_dict.get('lang', None)
            response = ResponseObject(lang if lang else token_obj.lang)
            return token_obj.code, token_obj.userID, response
        except Exception as e:
            print(e)
            return 309, None, None

    @staticmethod
    def cutting_time(start_time, end_time, time_unit):
        """
        按时间单位切割时间段
        @param start_time: 开始时间
        @param end_time: 结束时间
        @param time_unit: 时间单位
        @return: time_list 切割后的时间列表
        """

        time_list = []
        while True:
            if time_unit == 'day':
                temp_time = start_time + relativedelta(days=1)
            elif time_unit == 'week':
                temp_time = start_time + relativedelta(days=7)
            elif time_unit == 'month':
                temp_time = start_time + relativedelta(months=1)
            elif time_unit == 'quarter':
                temp_time = start_time + relativedelta(months=3)
            elif time_unit == 'year':
                temp_time = start_time + relativedelta(years=1)
            else:
                break
            if temp_time < end_time:
                time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                              CommonService.str_to_timestamp(temp_time.strftime('%Y-%m-%d %H:%M:%S')))
                time_list.append(time_tuple)
                start_time = temp_time
            else:
                time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                              CommonService.str_to_timestamp(end_time.strftime('%Y-%m-%d %H:%M:%S')))
                if time_tuple not in time_list:
                    time_list.append(time_tuple)
                break
        if not time_list:
            time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                          CommonService.str_to_timestamp(end_time.strftime('%Y-%m-%d %H:%M:%S')))
            time_list = [time_tuple]
        return time_list

    @staticmethod
    def cutting_time_stamp(start_time, end_time):
        """
        按天切割时间段
        @param start_time: 开始时间
        @param end_time: 结束时间
        @return: time_list 切割后的时间列表
        """

        time_list = []
        while True:
            mid_time = datetime.datetime(start_time.year, start_time.month, start_time.day) + relativedelta(days=1)
            if mid_time < end_time:
                time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                              CommonService.str_to_timestamp(mid_time.strftime('%Y-%m-%d %H:%M:%S')))
                time_list.append(time_tuple)
                start_time = mid_time
            else:
                time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                              CommonService.str_to_timestamp(end_time.strftime('%Y-%m-%d %H:%M:%S')))
                if time_tuple not in time_list:
                    time_list.append(time_tuple)
                break
        if not time_list:
            time_tuple = (CommonService.str_to_timestamp(start_time.strftime('%Y-%m-%d %H:%M:%S')),
                          CommonService.str_to_timestamp(end_time.strftime('%Y-%m-%d %H:%M:%S')))
            time_list = [time_tuple]
        return time_list

    @staticmethod
    def get_domain_name():
        """
        获取域名
        @return: domain_name_list 域名列表
        """

        if CONFIG_INFO == CONFIG_TEST:
            domain_name_list = [SERVER_DOMAIN_TEST[:-1]]
        elif CONFIG_INFO == CONFIG_CN or CONFIG_INFO == CONFIG_US or CONFIG_INFO == CONFIG_EUR:
            domain_name_list = [SERVER_DOMAIN_US[:-1], SERVER_DOMAIN_CN[:-1], SERVER_DOMAIN_EUR[:-1]]
        else:
            domain_name_list = []
        return domain_name_list

    @staticmethod
    def get_orders_domain_name_list():
        """
        获取其他服务器域名列表
        @return: orders_domain_name_list 其他服务器域名列表
        """
        orders_domain_name_list = SERVER_DOMAIN_LIST
        if CONFIG_INFO == CONFIG_TEST:
            orders_domain_name_list = [SERVER_DOMAIN_CN, SERVER_DOMAIN_US, SERVER_DOMAIN_EUR]
        elif CONFIG_INFO == CONFIG_CN:
            orders_domain_name_list = [SERVER_DOMAIN_TEST, SERVER_DOMAIN_US, SERVER_DOMAIN_EUR]
        elif CONFIG_INFO == CONFIG_US:
            orders_domain_name_list = [SERVER_DOMAIN_TEST, SERVER_DOMAIN_CN, SERVER_DOMAIN_EUR]
        elif CONFIG_INFO == CONFIG_EUR:
            orders_domain_name_list = [SERVER_DOMAIN_TEST, SERVER_DOMAIN_CN, SERVER_DOMAIN_US]
        return orders_domain_name_list

    @staticmethod
    def list_sort(e):
        """
        列表排序
        @param e: 列表元素
        """
        return sorted(e, key=lambda item: -item['count'])

    @staticmethod
    def list_sort_v2(e, order_by):
        """
        列表排序
        @param e: 列表元素
        @param order_by: 排序对象
        """
        return sorted(e, key=lambda item: item[order_by], reverse=True)

    @staticmethod
    def Package_Type(order_type, content):
        """
        套餐类型
        """
        if order_type == 0:
            content = content + '(' + '云存' + ')'
            return content
        elif order_type == 1:
            content = content + '(' + 'AI' + ')'
            return content
        elif order_type == 2:
            pass
        elif order_type == 4:
            content = content + '(' + '云盘' + ')'
            return content

    @staticmethod
    def is_cloud_device(ucode, device_type):
        """
        设备是否支持云存
        @param ucode: 设备版本
        @param device_type: 设备类型
        """
        if len(ucode) > 4:
            number = ucode[-4]
        else:
            return False
        device_type_qs = AppDeviceType.objects.filter(type=device_type).values('model')
        model = device_type_qs[0]['model'] if device_type_qs.exists() else ''
        #  判断设备是否为ipc设备和是否支持云存
        if model == 2 and number in ['4', '5']:
            return True
        return False

    @staticmethod
    def negative_number_judgment(number_list):
        """
        判断正负数
        @param number_list: float或int类型列表
        """
        if any(i < 0 for i in number_list):
            return False
        else:
            return True

    @staticmethod
    def check_password(password1, password2):
        """
        比较密码
        @param 返回True or False
        """
        return constant_time_compare(password1, password2)

    @staticmethod
    def compare_version_number(version_number, version_number_list):
        """
        比对版本号大小
        @param version_number: 版本号
        @param version_number_list: 版本号列表
        """
        version_list = []
        input_version = LooseVersion(version_number)
        for version in version_number_list:
            version = LooseVersion(version)
            if input_version >= version:
                version_list.append(version)
            else:
                continue
        return version_list

    @staticmethod
    def convert_to_timestamp(timezone_offset, time_string):
        """
        时间字符串转为时间戳
        @param timezone_offset: 时区
        @param time_string: 时间字符串
        @return: timestamp
        """
        datetime_obj = datetime.datetime.strptime(time_string, '%Y-%m-%d %H:%M:%S')

        # 创建一个表示指定时区的timedelta对象
        utc_offset = datetime.timedelta(hours=timezone_offset)

        # 调整时区
        datetime_obj = datetime_obj - utc_offset

        # datetime.datetime对象 -> str
        time_str_utc = datetime_obj.strftime("%Y-%m-%d %H:%M:%S")
        timestamp = calendar.timegm(time.strptime(time_str_utc, '%Y-%m-%d %H:%M:%S'))

        return timestamp

    @staticmethod
    def get_uid_by_serial_number(serial_number):
        """
        根据序列号获取绑定uid
        @param serial_number: 9位序列号
        @return: uid信息
        """
        c_serial_qs = UIDCompanySerialModel.objects.filter(company_serial__serial_number=serial_number[0:6])
        if not c_serial_qs.exists():
            return serial_number
        c_serial_info = c_serial_qs.values('uid__uid')
        return c_serial_info[0]['uid__uid']

    @staticmethod
    def get_serial_number_by_uid(uid):
        """
        根据序列号获取绑定uid
        @param uid: uid
        @return: uid信息
        """
        c_serial_qs = UIDCompanySerialModel.objects.filter(uid__uid=uid)
        if not c_serial_qs.exists():
            return uid
        c_serial_qs = c_serial_qs.annotate(mark=F('company_serial__company__mark'),
                                           serial_number=F('company_serial__serial_number'))
        c_serial_info = c_serial_qs.values('mark', 'serial_number')
        return c_serial_info[0]['serial_number'] + c_serial_info[0]['mark']

    @staticmethod
    def get_user_tz(user_id):
        """
        获取用户时区
        @param user_id: 用户id
        @return: tz
        """
        # 从gateway_push表查询时区
        gateway_push_qs = GatewayPush.objects.filter(user_id=user_id).order_by('-id').first()
        if gateway_push_qs is None:
            tz = 0.00
        else:
            # 截掉.00然后转为浮点型
            tz = float(gateway_push_qs.tz[:-3])
        return tz