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109 lines
3.8 KiB
109 lines
3.8 KiB
from django.db import models
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from django.conf import settings
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from django.db.models import signals
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from django.utils.translation import ugettext_lazy as _
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from django.utils import timezone
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AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
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from accounts.models import User
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class MessageManager(models.Manager):
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def senders(self, user):
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users_ids = self.order_by('sender').filter(recipient=user).values_list('sender').distinct()[:10]
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users_ids = [item[0] for item in users_ids]
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return User.objects.filter(id__in=users_ids)
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def inbox_for(self, user):
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"""
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Returns all messages that were received by the given user and are not
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marked as deleted.
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"""
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return self.filter(
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recipient=user,
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recipient_deleted_at__isnull=True,
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)
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def outbox_for(self, user):
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"""
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Returns all messages that were sent by the given user and are not
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marked as deleted.
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"""
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return self.filter(
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sender=user,
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sender_deleted_at__isnull=True,
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)
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def trash_for(self, user):
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"""
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Returns all messages that were either received or sent by the given
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user and are marked as deleted.
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"""
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return self.filter(
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recipient=user,
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recipient_deleted_at__isnull=False,
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) | self.filter(
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sender=user,
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sender_deleted_at__isnull=False,
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)
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class Message(models.Model):
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"""
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A private message from user to user
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"""
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subject = models.CharField(_("Subject"), max_length=120)
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body = models.TextField(_("Body"))
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sender = models.ForeignKey(AUTH_USER_MODEL, related_name='sent_messages', verbose_name=_("Sender"))
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recipient = models.ForeignKey(AUTH_USER_MODEL, related_name='received_messages', null=True, blank=True, verbose_name=_("Recipient"))
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parent_msg = models.ForeignKey('self', related_name='next_messages', null=True, blank=True, verbose_name=_("Parent message"))
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sent_at = models.DateTimeField(_("sent at"), null=True, blank=True)
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read_at = models.DateTimeField(_("read at"), null=True, blank=True)
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replied_at = models.DateTimeField(_("replied at"), null=True, blank=True)
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sender_deleted_at = models.DateTimeField(_("Sender deleted at"), null=True, blank=True)
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recipient_deleted_at = models.DateTimeField(_("Recipient deleted at"), null=True, blank=True)
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objects = MessageManager()
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def new(self):
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"""returns whether the recipient has read the message or not"""
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if self.read_at is not None:
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return False
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return True
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def replied(self):
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"""returns whether the recipient has written a reply to this message"""
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if self.replied_at is not None:
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return True
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return False
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def __unicode__(self):
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return self.subject
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def get_absolute_url(self):
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return ('messages_detail', [self.id])
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get_absolute_url = models.permalink(get_absolute_url)
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def save(self, **kwargs):
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if not self.id:
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self.sent_at = timezone.now()
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super(Message, self).save(**kwargs)
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class Meta:
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ordering = ['-sent_at']
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verbose_name = _("Message")
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verbose_name_plural = _("Messages")
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def inbox_count_for(user):
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"""
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returns the number of unread messages for the given user but does not
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mark them seen
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"""
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return Message.objects.filter(recipient=user, read_at__isnull=True, recipient_deleted_at__isnull=True).count()
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# fallback for email notification if django-notification could not be found
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"""
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if "notification" not in settings.INSTALLED_APPS:
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from django_messages.utils import new_message_email
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signals.post_save.connect(new_message_email, sender=Message)
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""" |