49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
from django.db.models.signals import post_save, m2m_changed
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from django.dispatch import receiver
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from django.contrib.sites.shortcuts import get_current_site
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from django.contrib.auth.models import User
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from .models import ConversationWithParticipant, ConversationAboutTalk, Message
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from .utils import notify_by_email
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from proposals.models import Talk, Topic
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from proposals.signals import new_talk
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from accounts.models import Participation
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@receiver(post_save, sender=Participation, dispatch_uid="Create ConversationWithParticipant")
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def create_conversation_with_participant(sender, instance, created, **kwargs):
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if not created:
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return
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conversation = ConversationWithParticipant(participation=instance)
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conversation.save()
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@receiver(post_save, sender=Talk, dispatch_uid="Create ConversationAboutTalk")
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def create_conversation_about_talk(sender, instance, created, **kwargs):
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if not created:
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return
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conversation = ConversationAboutTalk(talk=instance)
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conversation.save()
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@receiver(new_talk, dispatch_uid="Notify new talk")
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def notify_new_talk(sender, instance, **kwargs):
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# Subscribe reviewer for these topics to the conversation
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topics = instance.topics.all()
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reviewers = User.objects.filter(participation__review_topics=topics).all()
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instance.conversation.subscribers.add(*reviewers)
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# Notification of this new talk
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message = Message(conversation=instance.conversation, author=instance.proposer,
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content='The talk has been proposed.')
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message.save()
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@receiver(post_save, sender=Message, dispatch_uid="Notify new message")
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def notify_new_message(sender, instance, created, **kwargs):
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if not created:
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# Possibly send a modification notification?
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return
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instance.conversation.new_message(instance)
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