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avoid parallel updates to matches

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j 2012-01-13 16:47:42 +05:30
commit 265d3d5bcd
3 changed files with 17 additions and 9 deletions
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15
pandora/event/models.py
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@ -98,7 +98,6 @@ class Event(models.Model):
matches = [-1]
return Annotation.objects.filter(id__in=matches)
@transaction.commit_on_success
def update_matches(self):
matches = self.get_matches()
@ -106,15 +105,21 @@ class Event(models.Model):
for i in self.annotations.exclude(id__in=matches):
self.annotations.remove(i)
for i in matches.exclude(id__in=self.annotations.all()):
self.annotations.add(i)
#need to check again since editEvent might have been called again
if self.annotations.filter(id=i.id).count() == 0:
self.annotations.add(i)
ids = list(set([a.item.id for a in matches]))
for i in self.items.exclude(id__in=ids):
self.items.remove(i)
for i in Item.objects.filter(id__in=ids).exclude(id__in=self.items.all()):
self.items.add(i)
#only update matches, other values might have been changed
if self.items.filter(id=i.id).count() == 0:
self.items.add(i)
if self.matches != numberofmatches:
Event.objects.filter(id=self.id).update(matches=numberofmatches)
if numberofmatches:
Event.objects.filter(id=self.id).update(matches=numberofmatches)
else:
self.matches = numberofmatches
self.save()
def set_name_sort(self, value=None):
if not value: