def venues_linked_to_thing(self, thing):
query = VenueLinking.all()
query.filter('thing =', thing)
linkings = query.fetch(query.count())
venues = [linking.venue.key() for linking in linkings]
return venues
def connectVenueToThing(self, venue, thing):
"""
crea un legame tra venue e thing
o incrementa il legame se esiste
"""
query = VenueLinking.all()
query.filter('venue =', venue)
query.filter('thing =', thing)
linking = query.get()
if linking:
# cosa gia' connessa
linking.count += 1
else:
# cosa non connessa
# connetto
linking = VenueLinking(venue = venue, thing = thing, count = 1)
if linking.count >= VenueLinking.kActiveLinkingMinimumCount:
linking.is_active = True
linking.put()
return linking