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CH.Concerns.Voteable = |
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incrementScore: -> |
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score = parseInt(@get("score"), 10) |
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@set "score", score+1 |
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decrementScore: -> |
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score = parseInt(@get("score"), 10) |
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@set "score", score-1 |
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doVote: (direction, silent=false) -> |
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if direction is "up" |
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ids = @get("up_voter_ids") |
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ids.push CH.CurrentUser.get("id") |
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@set "up_voter_ids", ids |
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@incrementScore() |
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else if direction is "down" |
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ids = @get("down_voter_ids") |
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ids.push CH.CurrentUser.get("id") |
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@set "down_voter_ids", ids |
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@decrementScore() |
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CH.CurrentUser.set "number_of_votes_performed", parseInt(CH.CurrentUser.get("number_of_votes_performed"), 10) + 1 |
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@trigger("vote:changed") unless silent |
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removeVote: (direction, silent=false) -> |
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if direction is "up" |
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@set "up_voter_ids", _(@get("up_voter_ids")).without(CH.CurrentUser.get("id")) |
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@decrementScore() |
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else if direction is "down" |
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@set "down_voter_ids", _(@get("down_voter_ids")).without(CH.CurrentUser.get("id")) |
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@incrementScore() |
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CH.CurrentUser.set "number_of_votes_performed", parseInt(CH.CurrentUser.get("number_of_votes_performed"), 10) - 1 |
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@trigger("vote:changed") unless silent |
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# -------------------------------------------------------------------------------------------------------- |
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class CH.Views.VoteButtonView extends Backbone.View |
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events: |
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"click a[data-vote-direction=up]": "voteUp" |
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"click a[data-vote-direction=down]": "voteDown" |
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initialize: (@options = options) -> |
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@model.bind("vote:changed", @render) |
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render: => |
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template: -> |
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@$el.html(HAML["voteButton"](@)) |
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if CH.CurrentUser.voted(@model, "up") |
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@$(".vote-button-arrow-up").addClass("active") |
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else if CH.CurrentUser.voted(@model, "down") |
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@$(".vote-button-arrow-down").addClass("active") |
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voteUp: (event) -> |
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event.preventDefault() |
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@doVote(@model.upVoteURL(), "up") |
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voteDown: (event) -> |
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event.preventDefault() |
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@doVote(@model.downVoteURL(), "down") |
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doVote: (href, direction) -> |
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oppositeDirection = if direction is "up" then "down" else "up" |
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if CH.CurrentUser.voted(@model, direction) |
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@model.removeVote(direction) |
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else |
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@model.removeVote(oppositeDirection, true) if CH.CurrentUser.voted(@model, oppositeDirection) |
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@model.doVote(direction) |
