# name: poll # about: adds poll support to Discourse # version: 0.1 # authors: Vikhyat Korrapati load File.expand_path("../poll.rb", __FILE__) # Without this line we can't lookup the constant inside the after_initialize blocks, # because all of this is instance_eval'd inside an instance of Plugin::Instance. PollPlugin = PollPlugin after_initialize do # Rails Engine for accepting votes. module PollPlugin class Engine < ::Rails::Engine engine_name "poll_plugin" isolate_namespace PollPlugin end class PollController < ActionController::Base include CurrentUser def vote if current_user.nil? render status: :forbidden, json: false return end if params[:post_id].nil? or params[:option].nil? render status: 400, json: false return end post = Post.find(params[:post_id]) poll = PollPlugin::Poll.new(post) unless poll.is_poll? render status: 400, json: false return end options = poll.details unless options.keys.include? params[:option] render status: 400, json: false return end poll.set_vote!(current_user, params[:option]) MessageBus.publish("/topic/#{post.topic_id}", { id: post.id, post_number: post.post_number, updated_at: Time.now, type: "revised" }, group_ids: post.topic.secure_group_ids ) render json: poll.serialize(current_user) end end end PollPlugin::Engine.routes.draw do put '/' => 'poll#vote' end Discourse::Application.routes.append do mount ::PollPlugin::Engine, at: '/poll' end # Starting a topic title with "Poll:" will create a poll topic. If the title # starts with "poll:" but the first post doesn't contain a list of options in # it we need to raise an error. Post.class_eval do validate :poll_options def poll_options poll = PollPlugin::Poll.new(self) return unless poll.is_poll? if poll.options.length == 0 self.errors.add(:raw, I18n.t('poll.must_contain_poll_options')) end poll.ensure_can_be_edited! end end # Save the list of options to PluginStore after the post is saved. Post.class_eval do after_save :save_poll_options_to_plugin_store def save_poll_options_to_plugin_store PollPlugin::Poll.new(self).update_options! end end # Add poll details into the post serializer. PostSerializer.class_eval do attributes :poll_details def poll_details PollPlugin::Poll.new(object).serialize(scope.user) end def include_poll_details? PollPlugin::Poll.new(object).is_poll? end end end # Poll UI. register_asset "javascripts/discourse/templates/poll.js.handlebars" register_asset "javascripts/poll_ui.js" register_asset "javascripts/poll_bbcode.js", :server_side register_css <