107 lines
2.9 KiB
Python
107 lines
2.9 KiB
Python
from django.db.models.signals import post_save,pre_delete
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from django.dispatch import receiver
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from eventplanner.models import Event, EventParticipation
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from django.contrib.auth.models import User
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import eventplanner_gcal.models
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import logging
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logger = logging.getLogger( __name__ )
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class SignalLock:
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def __init__(self):
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self.locked=False
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def __enter__(self):
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if self.locked:
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return False
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self.locked=True
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return True
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def __exit__(self, type, value, traceback):
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self.locked=False
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def isLocked(self):
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return self.locked
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signalLock = SignalLock()
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def onGoogleCallback():
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if not signalLock.isLocked():
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with signalLock:
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logger.info( "Sync back from google" )
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eventplanner_gcal.models.syncParticipationFromGoogleToLocal()
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@receiver( post_save, sender=User )
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def user_changed( **kwargs ):
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logger.info("User info changed")
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if not signalLock.isLocked():
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with signalLock:
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logger.info("Synchronizing with google - user information changed")
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eventplanner_gcal.models.deleteAllGCalEvents()
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eventplanner_gcal.models.syncGCalEvents()
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@receiver( post_save,sender= Event)
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def event_post_save_handler( **kwargs):
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if not signalLock.isLocked():
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with signalLock:
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event = kwargs['instance']
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created = kwargs['created']
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if created:
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logger.info("Creating Gcal event")
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eventplanner_gcal.models.createGCalEvent( event ).execute()
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else:
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logger.info( "Updating Gcal event")
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eventplanner_gcal.models.updateGCalEvent( event ).execute()
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@receiver( pre_delete,sender= Event)
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def event_pre_delete_handler( **kwargs):
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if not signalLock.isLocked():
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with signalLock:
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event = kwargs['instance']
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logger.info ("Deleting GCAL event")
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eventplanner_gcal.models.deleteGCalEvent( event ).execute()
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@receiver( post_save, sender=EventParticipation )
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def participation_post_save_handler( **kwargs):
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if not signalLock.isLocked():
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with signalLock:
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participation = kwargs['instance']
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logger.info("Participation post save -> update gcal")
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eventplanner_gcal.models.updateGCalEvent( participation.event ).execute()
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# -------------- For management commands ------------------------
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def stopAllGCalSubscriptions():
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if not signalLock.isLocked():
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with signalLock:
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eventplanner_gcal.models.stopAllGCalSubscriptions()
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def checkGCalSubscription():
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if not signalLock.isLocked():
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with signalLock:
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eventplanner_gcal.models.checkGCalSubscription()
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def deleteAllGCalEvents():
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if not signalLock.isLocked():
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with signalLock:
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eventplanner_gcal.models.deleteAllGCalEvents()
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def syncGCalEvents():
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if not signalLock.isLocked():
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with signalLock:
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eventplanner_gcal.models.syncGCalEvents()
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