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73 lines
2.3 KiB
73 lines
2.3 KiB
from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from common.db.models import JMSBaseModel, CASCADE_SIGNAL_SKIP
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__all__ = ('SystemMsgSubscription', 'UserMsgSubscription')
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class UserMsgSubscription(JMSBaseModel):
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user = models.OneToOneField(
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'users.User', related_name='user_msg_subscription', on_delete=CASCADE_SIGNAL_SKIP,
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verbose_name=_('User')
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)
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receive_backends = models.JSONField(default=list, verbose_name=_('receive backend'))
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comment = ''
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class Meta:
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verbose_name = _('User message')
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def __str__(self):
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return _('{} subscription').format(self.user)
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class SystemMsgSubscription(JMSBaseModel):
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message_type = models.CharField(max_length=128, unique=True)
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users = models.ManyToManyField('users.User', related_name='system_msg_subscriptions')
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groups = models.ManyToManyField('users.UserGroup', related_name='system_msg_subscriptions')
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receive_backends = models.JSONField(default=list)
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comment = ''
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message_type_label = ''
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class Meta:
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verbose_name = _('System message')
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def set_message_type_label(self):
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# 采用手动调用，没设置成 property 的方式
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# 因为目前只有界面修改时会用到这个属性，避免实例化时占用资源计算
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from ..notifications import system_msgs
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msg_label = ''
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for msg in system_msgs:
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if msg.get('message_type') == self.message_type:
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msg_label = msg.get('message_type_label', '')
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break
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self.message_type_label = msg_label
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@property
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def receivers(self):
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from notifications.backends import BACKEND
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users = [user for user in self.users.all()]
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for group in self.groups.all():
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for user in group.users.all():
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users.append(user)
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receive_backends = self.receive_backends
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receviers = []
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for user in users:
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recevier = {'name': str(user), 'id': user.id}
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for backend in receive_backends:
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recevier[backend] = bool(BACKEND(backend).get_account(user))
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receviers.append(recevier)
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return receviers
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def __str__(self):
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return f'{self.message_type_label}' or f'{self.message_type}'
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def __repr__(self):
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return self.__str__()
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