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class @NotesVotes
updateVotes: ->
votes = $("#votes .votes")
notes = $("#notes-list .note .vote")
# only update if there is a vote display
if votes.size()
upvotes = notes.filter(".upvote").size()
downvotes = notes.filter(".downvote").size()
votesCount = upvotes + downvotes
upvotesPercent = (if votesCount then (100.0 / votesCount * upvotes) else 0)
downvotesPercent = (if votesCount then (100.0 - upvotesPercent) else 0)
# change vote bar lengths
votes.find(".bar-success").css "width", upvotesPercent + "%"
votes.find(".bar-danger").css "width", downvotesPercent + "%"
# replace vote numbers
votes.find(".upvotes").text votes.find(".upvotes").text().replace(/\d+/, upvotes)
votes.find(".downvotes").text votes.find(".downvotes").text().replace(/\d+/, downvotes)
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