Conservancy/symposion_app
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Fixed bug in review deletion

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When a review was not the latest it would cause a bug on deletion of the
latest. We changed the logic to work with the latest vote versus the previous
to fix this issue. Now all review deletion ensure a consistent latest vote
state.
This commit is contained in:
Brian Rosner 2012-10-03 12:17:03 -06:00
parent e5f87cce90
commit 2c46e56b35
1 changed files with 11 additions and 10 deletions
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21
symposion/reviews/models.py
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@ -130,21 +130,22 @@ class Review(models.Model):
proposal=self.proposal,
user=self.user,
)
# find previous vote before self
try:
previous = user_reviews.filter(submitted_at__lt=self.submitted_at).order_by("-submitted_at")[0]
# find the latest review
latest = user_reviews.exclude(pk=self.pk).order_by("-submitted_at")[0]
except IndexError:
# did not find a previous which means this must be the only one.
# did not find a latest which means this must be the only one.
# treat it as a last, but delete the latest vote.
self.proposal.result.update_vote(self.vote, removal=True)
lv = LatestVote.objects.filter(proposal=self.proposal, user=self.user)
lv.delete()
else:
# handle that we've found a previous vote
# check if self is the last vote
if self == user_reviews.order_by("-submitted_at")[0]:
# self is the latest which means we need to treat as last.
# revert the latest vote to previous vote.
# handle that we've found a latest vote
# check if self is the lastest vote
if self == latest:
# self is the latest review; revert the latest vote to the
# previous vote
previous = user_reviews.filter(submitted_at__lt=self.submitted_at).order_by("-submitted_at")[0]
self.proposal.result.update_vote(self.vote, previous=previous.vote, removal=True)
lv = LatestVote.objects.filter(proposal=self.proposal, user=self.user)
lv.update(
@ -152,8 +153,8 @@ class Review(models.Model):
submitted_at=previous.submitted_at,
)
else:
# self is not the latest so we just need to decrement the
# comment count
# self is not the latest review so we just need to decrement
# the comment count
self.proposal.result.comment_count = models.F("comment_count") - 1
self.proposal.result.save()
# in all cases we need to delete the review; let's do it!