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Use DistributedMutex to make sure poll votes are tallied correctly.

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This commit is contained in:
Vikhyat Korrapati 2014-04-11 11:18:27 +05:30
parent 56ee1ac569
commit 63b96da63a
1 changed files with 9 additions and 7 deletions
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16
plugins/poll/poll.rb
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@ -143,15 +143,17 @@ module ::PollPlugin
return if is_closed? return if is_closed?
# Get the user's current vote. # Get the user's current vote.
vote = get_vote(user) DistributedMutex.new(details_key).synchronize do
vote = nil unless details.keys.include? vote vote = get_vote(user)
vote = nil unless details.keys.include? vote
new_details = details.dup new_details = details.dup
new_details[vote] -= 1 if vote new_details[vote] -= 1 if vote
new_details[option] += 1 new_details[option] += 1
::PluginStore.set("poll", vote_key(user), option) ::PluginStore.set("poll", vote_key(user), option)
set_details! new_details set_details! new_details
end
end end
def serialize(user) def serialize(user)