discourse/plugins/poll/plugin.rb

235 lines
6.4 KiB
Ruby

# frozen_string_literal: true
# name: poll
# about: Official poll plugin for Discourse
# version: 1.0
# authors: Vikhyat Korrapati (vikhyat), Régis Hanol (zogstrip)
# url: https://github.com/discourse/discourse/tree/main/plugins/poll
# transpile_js: true
register_asset "stylesheets/common/poll.scss"
register_asset "stylesheets/desktop/poll.scss", :desktop
register_asset "stylesheets/mobile/poll.scss", :mobile
register_asset "stylesheets/common/poll-ui-builder.scss"
register_asset "stylesheets/desktop/poll-ui-builder.scss", :desktop
register_asset "stylesheets/common/poll-breakdown.scss"
register_svg_icon "far fa-check-square"
enabled_site_setting :poll_enabled
hide_plugin
after_initialize do
module ::DiscoursePoll
PLUGIN_NAME ||= "discourse_poll"
DATA_PREFIX ||= "data-poll-"
HAS_POLLS ||= "has_polls"
DEFAULT_POLL_NAME ||= "poll"
class Engine < ::Rails::Engine
engine_name PLUGIN_NAME
isolate_namespace DiscoursePoll
end
class Error < StandardError; end
end
require_relative "app/controllers/polls_controller.rb"
require_relative "app/models/poll_option.rb"
require_relative "app/models/poll_vote.rb"
require_relative "app/models/poll.rb"
require_relative "app/serializers/poll_option_serializer.rb"
require_relative "app/serializers/poll_serializer.rb"
require_relative "jobs/regular/close_poll.rb"
require_relative "lib/poll.rb"
require_relative "lib/polls_updater.rb"
require_relative "lib/polls_validator.rb"
require_relative "lib/post_validator.rb"
DiscoursePoll::Engine.routes.draw do
put "/vote" => "polls#vote"
delete "/vote" => "polls#remove_vote"
put "/toggle_status" => "polls#toggle_status"
get "/voters" => 'polls#voters'
get "/grouped_poll_results" => 'polls#grouped_poll_results'
end
Discourse::Application.routes.append do
mount ::DiscoursePoll::Engine, at: "/polls"
end
allow_new_queued_post_payload_attribute("is_poll")
register_post_custom_field_type(DiscoursePoll::HAS_POLLS, :boolean)
topic_view_post_custom_fields_allowlister { [DiscoursePoll::HAS_POLLS] }
reloadable_patch do
Post.class_eval do
attr_accessor :extracted_polls
has_many :polls, dependent: :destroy
after_save do
polls = self.extracted_polls
self.extracted_polls = nil
next if polls.blank? || !polls.is_a?(Hash)
post = self
Poll.transaction do
polls.values.each do |poll|
DiscoursePoll::Poll.create!(post.id, poll)
end
post.custom_fields[DiscoursePoll::HAS_POLLS] = true
post.save_custom_fields(true)
end
end
end
User.class_eval do
has_many :poll_votes, dependent: :delete_all
end
end
validate(:post, :validate_polls) do |force = nil|
return unless self.raw_changed? || force
validator = DiscoursePoll::PollsValidator.new(self)
return unless (polls = validator.validate_polls)
if polls.present?
validator = DiscoursePoll::PostValidator.new(self)
return unless validator.validate_post
end
# are we updating a post?
if self.id.present?
DiscoursePoll::PollsUpdater.update(self, polls)
else
self.extracted_polls = polls
end
true
end
NewPostManager.add_handler(1) do |manager|
post = Post.new(raw: manager.args[:raw])
if !DiscoursePoll::PollsValidator.new(post).validate_polls
result = NewPostResult.new(:poll, false)
post.errors.full_messages.each do |message|
result.add_error(message)
end
result
else
manager.args["is_poll"] = true
nil
end
end
on(:approved_post) do |queued_post, created_post|
if queued_post.payload["is_poll"]
created_post.validate_polls(true)
end
end
on(:reduce_cooked) do |fragment, post|
if post.nil? || post.trashed?
fragment.css(".poll, [data-poll-name]").each(&:remove)
else
post_url = post.full_url
fragment.css(".poll, [data-poll-name]").each do |poll|
poll.replace "<p><a href='#{post_url}'>#{I18n.t("poll.email.link_to_poll")}</a></p>"
end
end
end
on(:reduce_excerpt) do |doc, options|
post = options[:post]
replacement = post&.url.present? ?
"<a href='#{UrlHelper.escape_uri(post.url)}'>#{I18n.t("poll.poll")}</a>" :
I18n.t("poll.poll")
doc.css("div.poll").each do |poll|
poll.replace(replacement)
end
end
on(:post_created) do |post, _opts, user|
guardian = Guardian.new(user)
DiscoursePoll::Poll.schedule_jobs(post)
next if post.is_first_post?
next if post.custom_fields[DiscoursePoll::HAS_POLLS].blank?
polls = ActiveModel::ArraySerializer.new(post.polls, each_serializer: PollSerializer, root: false, scope: guardian).as_json
post.publish_message!("/polls/#{post.topic_id}", post_id: post.id, polls: polls)
end
on(:merging_users) do |source_user, target_user|
PollVote.where(user_id: source_user.id).update_all(user_id: target_user.id)
end
add_to_class(:topic_view, :polls) do
@polls ||= begin
polls = {}
post_with_polls = @post_custom_fields.each_with_object([]) do |fields, obj|
obj << fields[0] if fields[1][DiscoursePoll::HAS_POLLS]
end
if post_with_polls.present?
Poll
.where(post_id: post_with_polls)
.each do |p|
polls[p.post_id] ||= []
polls[p.post_id] << p
end
end
polls
end
end
add_to_serializer(:post, :preloaded_polls, false) do
@preloaded_polls ||= if @topic_view.present?
@topic_view.polls[object.id]
else
Poll.includes(:poll_options).where(post: object)
end
end
add_to_serializer(:post, :include_preloaded_polls?) do
false
end
add_to_serializer(:post, :polls, false) do
preloaded_polls.map { |p| PollSerializer.new(p, root: false, scope: self.scope) }
end
add_to_serializer(:post, :include_polls?) do
SiteSetting.poll_enabled && preloaded_polls.present?
end
add_to_serializer(:post, :polls_votes, false) do
preloaded_polls.map do |poll|
user_poll_votes =
poll
.poll_votes
.where(user_id: scope.user.id)
.joins(:poll_option)
.pluck("poll_options.digest")
[poll.name, user_poll_votes]
end.to_h
end
add_to_serializer(:post, :include_polls_votes?) do
SiteSetting.poll_enabled &&
scope.user&.id.present? &&
preloaded_polls.present? &&
preloaded_polls.any? { |p| p.has_voted?(scope.user) }
end
end