151 lines
3.4 KiB
Ruby
151 lines
3.4 KiB
Ruby
# name: poll
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# about: adds poll support to Discourse
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# version: 0.1
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# authors: Vikhyat Korrapati
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load File.expand_path("../poll.rb", __FILE__)
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# Without this line we can't lookup the constant inside the after_initialize blocks,
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# because all of this is instance_eval'd inside an instance of Plugin::Instance.
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PollPlugin = PollPlugin
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after_initialize do
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# Rails Engine for accepting votes.
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module PollPlugin
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class Engine < ::Rails::Engine
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engine_name "poll_plugin"
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isolate_namespace PollPlugin
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end
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class PollController < ActionController::Base
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include CurrentUser
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def vote
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if current_user.nil?
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render status: :forbidden, json: false
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return
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end
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if params[:post_id].nil? or params[:option].nil?
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render status: 400, json: false
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return
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end
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post = Post.find(params[:post_id])
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poll = PollPlugin::Poll.new(post)
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unless poll.has_poll_details?
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render status: 400, json: false
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return
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end
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options = poll.details
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unless options.keys.include? params[:option]
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render status: 400, json: false
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return
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end
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poll.set_vote!(current_user, params[:option])
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MessageBus.publish("/topic/#{post.topic_id}", {
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id: post.id,
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post_number: post.post_number,
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updated_at: Time.now,
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type: "revised"
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},
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group_ids: post.topic.secure_group_ids
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)
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render json: poll.serialize(current_user)
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end
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end
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end
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PollPlugin::Engine.routes.draw do
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put '/' => 'poll#vote'
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end
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Discourse::Application.routes.append do
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mount ::PollPlugin::Engine, at: '/poll'
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end
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# Starting a topic title with "Poll:" will create a poll topic. If the title
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# starts with "poll:" but the first post doesn't contain a list of options in
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# it we need to raise an error.
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Post.class_eval do
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validate :poll_options
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def poll_options
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poll = PollPlugin::Poll.new(self)
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return unless poll.is_poll?
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if poll.options.length == 0
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self.errors.add(:raw, I18n.t('poll.must_contain_poll_options'))
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end
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poll.ensure_can_be_edited!
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end
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end
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# Save the list of options to PluginStore after the post is saved.
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Post.class_eval do
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after_save :save_poll_options_to_plugin_store
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def save_poll_options_to_plugin_store
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PollPlugin::Poll.new(self).update_options!
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end
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end
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# Add poll details into the post serializer.
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PostSerializer.class_eval do
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attributes :poll_details
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def poll_details
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PollPlugin::Poll.new(object).serialize(scope.user)
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end
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def include_poll_details?
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PollPlugin::Poll.new(object).has_poll_details?
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end
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end
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end
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# Poll UI.
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register_asset "javascripts/discourse/templates/poll.js.handlebars"
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register_asset "javascripts/poll_ui.js"
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register_asset "javascripts/poll_bbcode.js", :server_side
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register_css <<CSS
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.poll-ui table {
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margin-bottom: 5px;
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}
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.poll-ui tr {
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cursor: pointer;
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}
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.poll-ui td.radio input {
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margin-left: -10px !important;
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}
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.poll-ui td {
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padding: 4px 8px;
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}
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.poll-ui td.option .option {
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float: left;
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}
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.poll-ui td.option .result {
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float: right;
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margin-left: 50px;
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}
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.poll-ui tr.active {
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background-color: #FFFFB3;
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}
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.poll-ui button {
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border: none;
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}
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CSS
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