ASJServer/Model/models.py

from itertools import chain

from django.contrib.auth.models import BaseUserManager, AbstractBaseUser
from django.db import models
from django.utils import six
from django.utils.encoding import python_2_unicode_compatible
from imagekit.models import ProcessedImageField
from imagekit.processors import ResizeToFill

from Ansjer.config import SERVER_DOMAIN
from Service.CommonService import CommonService


class PermissionsManager(models.Manager):
    use_in_migrations = True

    def get_by_natural_key(self, permName):
        return self.get(
            permName=permName
        )


class RoleManager(models.Manager):
    """
    The manager for the auth's Role model.
    """
    use_in_migrations = True

    def get_by_natural_key(self, roleName):
        return self.get(roleName=roleName)


class UserManager(BaseUserManager):

    def create_user(self, username, password, userID, is_active,
                    user_isValid, **extra_fields):
        user = self.model(
            username=username,
            userID=userID,
            is_active=is_active,
            user_isValid=user_isValid,
            **extra_fields
        )
        user.set_password(password)
        user.save(using=self._db)

        role = Role.objects.get(rid=1)
        user.role.add(role)
        return user

    def create_superuser(self, username, password, userID, is_active,
                         user_isValid, **extra_fields):
        # extra_fields.setdefault('is_superuser', is_superuser)
        is_superuser = extra_fields.get('is_superuser', None)
        if is_superuser != 100 and is_superuser != 1:
            raise ValueError('Superuser must have is_superuser=1 or 100.')

        return self.create_user(username, password, userID, is_active,
                                user_isValid, **extra_fields)


@python_2_unicode_compatible
class Permissions(models.Model):
    permName = models.CharField(blank=True, null=True, max_length=32, unique=True, verbose_name=u'权限名称')
    description = models.CharField(blank=True, null=True, max_length=128, verbose_name=u'描述信息', default='')
    objects = PermissionsManager()

    def __str__(self):
        return "%s" % (
            six.text_type(self.description))

    class Meta:
        ordering = ['permName']
        db_table = 'permissions'
        verbose_name = u'role permission'
        verbose_name_plural = verbose_name
        unique_together = (('permName'),)

    def natural_key(self):
        return (self.permName)


class Role(models.Model):
    rid = models.SmallIntegerField(primary_key=True, unique=True, verbose_name=u'用户角色组ID')
    roleName = models.CharField(max_length=32, unique=True,
                                default='User', verbose_name=u'角色名称')
    permission = models.ManyToManyField(to='Permissions', blank=True, verbose_name=u'权限', db_table='role_permissions')
    Description = models.TextField(blank=True, default='', verbose_name=u'描述信息')

    objects = RoleManager()

    class Meta:
        ordering = ['roleName']
        db_table = 'role'
        verbose_name = u'用户角色'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.roleName

    def natural_key(self):
        return (self.roleName,)

    def get_all_permission(self):
        perms = self.permission.all()

        permslist = []
        if self.rid == 100:
            perms = Permissions.objects.all()
            for perm in perms:
                permslist.append(perm.permName)
            return permslist
        else:
            permlist_tmp = []
            for perm in perms:
                permlist_tmp.append(perm.permName)
            permSet = set(permlist_tmp)
            permslist = list(permSet)
            permslist.sort()
            return permslist


class Device_User(AbstractBaseUser):
    userID = models.CharField(blank=True, max_length=32, primary_key=True,
                              verbose_name=u'用户ID', unique=True)
    role = models.ManyToManyField(to='Role', blank=True, verbose_name=u'用户角色', db_table='user_role')

    username = models.CharField(max_length=64, verbose_name=u'用户名', default='', blank=True)
    password = models.CharField(max_length=128, verbose_name=u'密码')
    userEmail = models.EmailField(max_length=64, verbose_name=u'邮箱', default='', blank=True)
    # 实际的路径就是 MEDIA_ROOT/Image/filename,所以可用upload_to来指定文件存放的前缀路径
    userIconPath = ProcessedImageField(blank=True, upload_to='User/Images/', default='static/User/default.png',
                                       verbose_name=u'头像',
                                       # 图片将处理成85x85的尺寸
                                       processors=[ResizeToFill(85, 85)], )
    userIconUrl = models.URLField(blank=True, max_length=128, default=SERVER_DOMAIN
                                                                      + 'account/getAvatar/User/defaultUser.png')
    NickName = models.CharField(blank=True, max_length=64, default='', verbose_name=u'用户昵称')
    is_superuser = models.IntegerField(blank=True, default=0, verbose_name=u'用户类型')
    is_active = models.BooleanField(blank=True, default=False, verbose_name=u'用户活动状态')
    data_joined = models.DateTimeField(blank=True, verbose_name=u'加入时间', auto_now_add=True)
    last_login = models.DateTimeField(blank=True, verbose_name='u最后登录时间', auto_now=True)
    user_isValid = models.BooleanField(blank=True, default=False, verbose_name=u'用户有效性', help_text=u'是否是认证通过的用户')
    online = models.BooleanField(blank=True, default=False, verbose_name=u'用户登录状态')
    machine_code = models.CharField(blank=True, max_length=128, default='', verbose_name=u'机械码')

    language = models.CharField(blank=True, max_length=16, default='en', verbose_name=u'语言地区')
    # 手机注册增加字段
    phone = models.CharField(max_length=16, verbose_name=u'手机号', default='', blank=True)

    objects = UserManager()

    USERNAME_FIELD = 'userID'  # 必须有一个唯一标识
    REQUIRED_FIELDS = ['is_superuser']  # 创建superuser时的必须字段

    class Meta:
        ordering = ('-data_joined',)
        verbose_name = u'用户信息'
        db_table = 'device_user'
        get_latest_by = 'last_login'

    def __str__(self):
        return self.username

    def get_role_id(self):
        rids = []
        roles = self.role.all()
        for role in roles:
            rids.append(role.rid)
        return rids

    def get_all_permission(self):
        roles = self.role.all()
        perms = self.permission.all()

        permslist = []
        for role in roles:
            if role.rid == 100:
                perms = Permissions.objects.all()
                for perm in perms:
                    permslist.append(perm.permName)
                return permslist

        for perm in perms:
            permslist.append(perm.permName)

        permSet = set(permslist)
        for role in roles:
            permlist_tmp = []
            for perm in role.permission.all():
                permlist_tmp.append(perm.permName)

            permSet_tmp = set(permlist_tmp)
            permSet = permSet.union(permSet_tmp)
            permslist = list(permSet)
            permslist.sort()
            return permslist

    @property
    def is_staff(self):
        return self.is_superuser


# 设备表是建项目开发者设计的,自己看着办
class Device_Info(models.Model):
    id = models.CharField(blank=True, max_length=32, primary_key=True)
    userID = models.ForeignKey(Device_User, blank=True, to_field='userID', on_delete=models.CASCADE)
    NickName = models.CharField(blank=True, max_length=32, verbose_name=u'设备名称')
    UID = models.CharField(blank=True, max_length=32, verbose_name=u'设备UID',default='')
    SID = models.CharField(blank=True, max_length=32, verbose_name=u'服务器ID',default='')
    View_Account = models.CharField(blank=True, max_length=32, verbose_name=u'设备用户名称',default='')
    View_Password = models.CharField(blank=True, max_length=32, verbose_name=u'设备密码',default='')
    AudioFormat = models.IntegerField(blank=True, default=1, verbose_name=u'初始化影像')
    EventNotification = models.IntegerField(blank=True, verbose_name=u'报警类型',default=0)
    ChannelIndex = models.IntegerField(blank=True, verbose_name=u'通道号',default=0)
    Online = models.BooleanField(blank=True, default=False, verbose_name=u'设备是否在线')
    mMonitorIndex = models.IntegerField(blank=True, default=-1)
    Type = models.IntegerField(blank=True,verbose_name='设备类型')
    DebugMode = models.IntegerField(blank=True, verbose_name=u'调试模式',default=0)
    NotificationMode = models.IntegerField(blank=True, verbose_name=u'是否报警',default=0)
    qvgaLevel = models.BooleanField(blank=True, verbose_name=u'SD与HD画面', default=0,
                                    help_text=u'0代表：SD、1代表：HD')
    isShare = models.BooleanField(blank=True, verbose_name=u'共享设备',
                                  help_text=u'是否为共享获取的设备', default=False)
    primaryUserID = models.CharField(blank=True, verbose_name='主用户id', max_length=32, default='')
    primaryMaster = models.CharField(max_length=64, verbose_name=u'主用户名', default='')
    data_joined = models.DateTimeField(blank=True, verbose_name=u'设备添加时间', auto_now_add=True)
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True, null=True)

    ip = models.CharField(blank=True, max_length=20, default='', verbose_name=u'设备区域ip')
    area = models.CharField(blank=True, max_length=100, default='', verbose_name=u'设备区域area')
    # ios要求新增字段
    version = models.CharField(blank=True, max_length=20, default='', verbose_name=u'版本号')
    SpaceUsable = models.CharField(blank=True, max_length=20, default='', verbose_name=u'可用空间')
    SpaceSum = models.CharField(blank=True, max_length=20, default='', verbose_name=u'总空间')
    WIFIName = models.CharField(blank=True, max_length=50, default='', verbose_name=u'无线名称')
    WIFIIP = models.CharField(blank=True, max_length=20, default='', verbose_name=u'无线ip')
    WIFIPwd = models.CharField(blank=True, max_length=50, default='', verbose_name=u'无线密码')
    isDetector = models.BooleanField(blank=True, verbose_name=u'侦测开关0:关闭,1:开启)', default=False)
    DetectorRank = models.IntegerField(blank=True, default=0, verbose_name=u'侦测灵敏度 1:低,2:中,3:高4:最高')
    iSNotification = models.BooleanField(blank=True, verbose_name=u'报警通知 0:关闭,1:开启)', default=False)
    MirrorType = models.IntegerField(blank=True, default=0, verbose_name=u'镜像类型 0:关闭镜像,1：上下镜像，2:左右镜像，3：上下左右镜像')
    RecordType = models.IntegerField(blank=True, default=0, verbose_name=u'录像模式(0:关闭,1:全是录像,3:报警录像)')
    TimeZone = models.CharField(blank=True, max_length=50, default='', verbose_name=u'时区')
    isVod = models.SmallIntegerField(blank=True, default=0, verbose_name='是否支持云存')  # 是否支持云存设备
    isExist = models.SmallIntegerField(blank=True, default=1, verbose_name='是否被删除')  # 是否被删除了(需主用户交互) 1存在，0不存在
    ###
    REQUIRED_FIELDS = []

    def __str__(self):
        return self.NickName

    def model_to_dict(self, fields=None, exclude=None):
        opts = self._meta
        data = {}
        for f in chain(opts.concrete_fields, opts.private_fields, opts.many_to_many):
            if not getattr(f, 'editable', False):
                continue
            if fields and f.name not in fields:
                continue
            if exclude and f.name in exclude:
                continue
            data[f.name] = f.value_from_object(self)
        return data

    class Meta:
        db_table = 'device_info'
        ordering = ('-data_joined',)
        verbose_name = u'用户设备信息表'
        verbose_name_plural = verbose_name


class Access_Log(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    user = models.CharField(max_length=100, default='', db_index=True, blank=True, verbose_name=u'用户')
    operation = models.CharField(max_length=100, db_index=True, default='', blank=True, verbose_name=u'操作')
    ip = models.CharField(max_length=100, default='', db_index=True, blank=True, verbose_name=u'访问ip地址')
    url = models.CharField(max_length=150, default='', blank=True, verbose_name=u'访问路径')
    status = models.IntegerField(default=0, blank=True, verbose_name=u'状态')
    time = models.DateTimeField(null=True, blank=True, db_index=True, verbose_name=u'访问时间')
    content = models.TextField(blank=True, default='', verbose_name=u'参数内容')

    class Meta:
        db_table = 'access_log'
        verbose_name = u'访问日志表'
        verbose_name_plural = verbose_name


class Equipment_Stream(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    userID = models.CharField(blank=True, max_length=32, verbose_name=u'用户ID')
    status = models.IntegerField(null=True, blank=True, verbose_name=u'状态')
    uid = models.CharField(null=True, blank=True, max_length=32, verbose_name=u'设备ID')
    channel = models.IntegerField(null=True, blank=True, verbose_name=u'设备通道')
    access_token = models.CharField(blank=True, max_length=128, verbose_name=u'设备推流验证令牌')
    total_flow = models.FloatField(null=True, blank=True, verbose_name=u'传输总容量')
    add_time = models.DateTimeField(blank=True, null=True, verbose_name=u'加入时间', auto_now_add=True)
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True)
    rank = models.IntegerField(null=True, blank=True, verbose_name=u'推流套餐类型')

    class Meta:
        db_table = 'equipment_stream'
        verbose_name = u'用户设备推流表'
        verbose_name_plural = verbose_name


class Equipment_Sensor(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    status = models.IntegerField(null=True, blank=True, verbose_name=u'状态')
    type = models.IntegerField(null=True, blank=True, verbose_name=u'类型')
    name = models.CharField(null=True, blank=True, max_length=128, verbose_name=u'传感器名称')
    add_time = models.DateTimeField(blank=True, null=True, verbose_name=u'加入时间', auto_now_add=True)
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True)
    uid = models.CharField(null=True, blank=True, max_length=32, verbose_name=u'设备ID')

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'equipment_sensor'
        verbose_name = u'设备传感器表'
        verbose_name_plural = verbose_name
        ordering = ('id',)


class Equipment_Info(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    devUid = models.CharField(default='', blank=True, max_length=32, verbose_name=u'设备ID')
    devNickName = models.CharField(blank=True, max_length=32, default='', verbose_name=u'设备昵称')
    Channel = models.IntegerField(default=1, blank=True, verbose_name=u'设备通道')
    eventType = models.IntegerField(default=0, blank=True, verbose_name=u'事件类型')
    status = models.BooleanField(blank=True, default=False, verbose_name=u'事件状态')
    alarm = models.CharField(blank=True, max_length=256, verbose_name=u'报警信息')
    eventTime = models.CharField(blank=True, default='', max_length=16, verbose_name=u'设备报警时间')
    receiveTime = models.CharField(blank=True, default='', max_length=16, verbose_name=u'接收到报警时间')
    userID = models.ForeignKey(Device_User, null=True, blank=True, to_field='userID', on_delete=models.CASCADE)

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'equipment_info'
        verbose_name = u'设备信息推送表'
        verbose_name_plural = verbose_name
        ordering = ('-id',)


class Feedback_Info(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    userID = models.CharField(blank=True, max_length=32, verbose_name=u'用户ID')
    status = models.BooleanField(blank=True, default=False, verbose_name=u'状态:0未解决/解决')
    content = models.TextField(blank=True, null=True, verbose_name=u'反馈描述')
    add_time = models.DateTimeField(blank=True, null=True, verbose_name=u'加入时间/反馈时间', auto_now_add=True)
    update_time = models.DateTimeField(blank=True, null=True, verbose_name=u'更新时间', auto_now=True)

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'feedback_info'
        verbose_name = u'用户反馈信息表'
        verbose_name_plural = verbose_name
        ordering = ('id',)


# 存储通表
class VodBucketModel(models.Model):
    id = models.AutoField(primary_key=True, verbose_name='主键')
    bucket = models.CharField(max_length=30, verbose_name='设备UID')
    storeDay = models.IntegerField(default=0, verbose_name='存储生命周期(天)')
    content = models.TextField(verbose_name='描述')
    endpoint = models.CharField(max_length=125, default='', verbose_name='存储节点')
    area = models.CharField(max_length=16, default='', verbose_name='区域')
    region = models.CharField(max_length=16, default='', verbose_name='regionID')
    addTime = models.IntegerField(verbose_name='添加时间', default=0)
    updTime = models.IntegerField(verbose_name='更新时间', default=0)

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'vod_bucket'
        verbose_name = u'存储通信息'
        verbose_name_plural = verbose_name
        ordering = ('-id',)


class Store_Meal(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增ID')
    title = models.CharField(blank=True, max_length=32, verbose_name=u'标题')
    currency = models.CharField(blank=True, default='USD', max_length=32, verbose_name=u'货币')
    price = models.CharField(blank=True, max_length=32, verbose_name=u'价格')
    day = models.IntegerField(default=0, blank=True, verbose_name=u'套餐天数')
    content = models.TextField(blank=True, null=True, verbose_name=u'描述')
    add_time = models.DateTimeField(blank=True, null=True, verbose_name=u'加入时间', auto_now_add=True)
    type = models.SmallIntegerField(default=0,verbose_name='付款类型') # 0 是paypal,1为支付宝
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True)
    bucket = models.ForeignKey(VodBucketModel, blank=True, to_field='id', on_delete=models.CASCADE, default=1,
                               verbose_name='存储空间')

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'store_meal'
        verbose_name = u'存储套餐'
        verbose_name_plural = verbose_name
        ordering = ('id',)



class Equipment_Version(models.Model):
    eid = models.CharField(blank=True, max_length=32, primary_key=True)
    ESN = models.CharField(blank=True, max_length=32, verbose_name=u'设备规格名称')
    code = models.CharField(blank=True, max_length=64, verbose_name=u'设备规格代码')
    version = models.CharField(blank=True, max_length=64, verbose_name=u'设备版本')
    softwareVersion = models.CharField(blank=True, max_length=32, verbose_name=u'软件版本')
    chipModelList2Code = models.CharField(max_length=32, blank=True, verbose_name=u'主芯片码')
    channel = models.IntegerField(blank=True, verbose_name=u'通道数')
    resolutionRatio = models.IntegerField(blank=True, verbose_name=u'分辨率')
    type = models.CharField(blank=True, max_length=16, verbose_name=u'设备机型')
    companyCode = models.CharField(blank=True, max_length=128, verbose_name=u'用户公司名称')
    data_joined = models.DateTimeField(blank=True, verbose_name=u'加入时间', auto_now_add=True)
    fileSize = models.IntegerField(blank=True, verbose_name=u'文件总大小')
    filePath = models.CharField(blank=True, max_length=256, verbose_name=u'升级文件路径')
    Description = models.TextField(blank=True, default='', verbose_name=u'描述信息')
    fileMd5 = models.CharField(blank=True, max_length=32, default='', verbose_name=u'上传文件MD5加密')
    status = models.BooleanField(blank=True, default=True, verbose_name=u'是否开启更新状态')
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True)
    lang = models.CharField(blank=True, default='en', max_length=32, verbose_name=u'ota包内置语言')
    mci = models.CharField(default='', blank=True, max_length=10, verbose_name='设备类型')

    def __str__(self):
        return self.eid

    class Meta:
        verbose_name = '设备版本信息'
        ordering = ('-data_joined',)
        db_table = 'equipment_version'


class App_Info(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    appBundleId = models.CharField(blank=True, max_length=32, verbose_name=u'appID')
    appName = models.CharField(blank=True, max_length=32, verbose_name=u'app名称')
    systemLanguage = models.CharField(blank=True, max_length=32, verbose_name=u'系统语言')
    newAppversion = models.CharField(blank=True, max_length=12, verbose_name=u'系统版本')
    bundleVersion = models.CharField(blank=True, max_length=12, verbose_name=u'项目版本')
    content = models.TextField(blank=True, default='', verbose_name=u'更新内容')
    app_type = models.IntegerField(default='', blank=True, verbose_name=u'app类型')
    add_time = models.DateTimeField(blank=True, null=True, verbose_name=u'加入时间', auto_now_add=True)
    update_time = models.DateTimeField(blank=True, verbose_name=u'更新时间', auto_now=True)
    downloadLink = models.TextField(blank=True, default='', verbose_name='升级')

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'app_info'
        verbose_name = u'app信息表'
        verbose_name_plural = verbose_name
        ordering = ('id',)


class Order_Model(models.Model):
    orderID = models.CharField(blank=True, max_length=20, primary_key=True, verbose_name=u'订单id')
    # 订单关联用户
    userID = models.ForeignKey(Device_User, to_field='userID', on_delete=models.CASCADE)
    UID = models.CharField(max_length=20, verbose_name='设备UID')
    channel = models.SmallIntegerField(default=0, verbose_name=u'通道数')
    desc = models.CharField(max_length=50, default='', verbose_name='商品描述')
    price = models.CharField(default='', max_length=16, verbose_name='价格')
    currency = models.CharField(blank=True, default='USD', max_length=32, verbose_name=u'货币')
    addTime = models.IntegerField(verbose_name='添加时间', default=0)
    updTime = models.IntegerField(verbose_name='更新时间', default=0)
    endTime = models.IntegerField(verbose_name='结束时间', default=0)
    status = models.SmallIntegerField(default=0, verbose_name='付款状态')
    # 订单关联套餐
    rank = models.ForeignKey(Store_Meal, to_field='id', default='', on_delete=models.CASCADE, verbose_name='套餐类型')
    paypal = models.CharField(max_length=150, default='', verbose_name='paypal付款url')
    payType = models.SmallIntegerField(default=0,verbose_name='付款类型0:paypal,1:alipay')

    def __str__(self):
        return self.orderID

    class Meta:
        db_table = 'orders'
        verbose_name = u'app信息表'
        verbose_name_plural = verbose_name
        ordering = ('-orderID',)


class VodHlsModel(models.Model):
    id = models.AutoField(primary_key=True, verbose_name='回放列表主键')
    uid = models.CharField(max_length=20, verbose_name='设备UID')
    channel = models.SmallIntegerField(default=0, verbose_name='通道')
    time = models.IntegerField(verbose_name='播放列表名字时间戳', default=0,db_index=True)
    endTime = models.IntegerField(verbose_name='删除时间', default=0)
    sec = models.IntegerField(verbose_name='秒数', default=0)
    bucket = models.ForeignKey(VodBucketModel, blank=True, to_field='id', on_delete=models.CASCADE, default=1,
                               verbose_name='存储空间')

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'vod_hls'
        verbose_name = u'云存回放信息表'
        verbose_name_plural = verbose_name
        ordering = ('-id',)


class OssCrdModel(models.Model):
    id = models.AutoField(primary_key=True, verbose_name='主键')
    uid = models.CharField(max_length=20, verbose_name='设备UID')
    channel = models.SmallIntegerField(default=0, verbose_name='通道')
    data = models.TextField(verbose_name='设备sts')
    addTime = models.IntegerField(verbose_name='添加时间', default=0)
    bucket = models.ForeignKey(VodBucketModel, blank=True, to_field='id', on_delete=models.CASCADE, default=1,
                               verbose_name='存储空间')

    def __str__(self):
        return self.id

    class Meta:
        db_table = 'osscrd'
        verbose_name = u'设备证书'
        verbose_name_plural = verbose_name
        ordering = ('-id',)


class UID_Bucket(models.Model):
    id = models.AutoField(primary_key=True, verbose_name=u'自增标记ID')
    uid = models.CharField(max_length=20, verbose_name='设备UID')
    channel = models.SmallIntegerField(default=0, verbose_name='通道')
    bucket = models.ForeignKey(VodBucketModel, blank=True, to_field='id', on_delete=models.CASCADE, verbose_name='存储空间')
    status = models.SmallIntegerField(default=0, verbose_name='状态[0:开启,1:关闭]')
    endTime = models.IntegerField(verbose_name='结束时间', default=0)

    class Meta:
        db_table = 'vod_uid_bucket'
        verbose_name = u'设备关联套餐表'
        verbose_name_plural = verbose_name
        ordering = ('id',)

    def __str__(self):
        return self.id