# frozen_string_literal: true module Thredded class TopicsController < Thredded::ApplicationController # rubocop:disable Metrics/ClassLength include Thredded::NewTopicParams include Thredded::NewPostParams before_action :thredded_require_login!, only: %i[edit new update create destroy follow unfollow] before_action :use_topic_messageboard, only: %i[show edit update destroy follow unfollow] after_action :update_user_activity after_action :verify_authorized, except: %i[search] after_action :verify_policy_scoped, except: %i[show new create edit update destroy follow unfollow] def index authorize_reading messageboard unless params_match?(canonical_messageboard_params) skip_policy_scope return redirect_to(canonical_messageboard_params) end page_scope = policy_scope(messageboard.topics) .order_sticky_first.order_recently_posted_first .page(current_page) return redirect_to(last_page_params(page_scope)) if page_beyond_last?(page_scope) @topics = Thredded::TopicsPageView.new(thredded_current_user, page_scope) Thredded::TopicForm.new(messageboard: messageboard, user: thredded_current_user).tap do |form| @new_topic = form if policy(form.topic).create? end end def show authorize topic, :read? return redirect_to(canonical_topic_params) unless params_match?(canonical_topic_params) page_scope = policy_scope(topic.posts) .order_oldest_first .includes(:user, :messageboard, :postable) .page(current_page) return redirect_to(last_page_params(page_scope)) if page_beyond_last?(page_scope) @posts = Thredded::TopicPostsPageView.new(thredded_current_user, topic, page_scope) if thredded_signed_in? Thredded::UserTopicReadState.touch!(thredded_current_user.id, topic.id, page_scope.last) end @new_post = Thredded::PostForm.new(user: thredded_current_user, topic: topic, post_params: new_post_params) end def search in_messageboard = params.key?(:messageboard_id) if in_messageboard authorize_reading messageboard unless params_match?(canonical_messageboard_params) skip_policy_scope return redirect_to(canonical_messageboard_params) end end @query = params[:q].to_s topics_scope = policy_scope( if in_messageboard messageboard.topics else Thredded::Topic.where(messageboard_id: policy_scope(Thredded::Messageboard.all).pluck(:id)) end ) page_scope = topics_scope .search_query(@query) .order_recently_posted_first .includes(:categories, :last_user, :user) .page(current_page) return redirect_to(last_page_params(page_scope)) if page_beyond_last?(page_scope) @topics = Thredded::TopicsPageView.new(thredded_current_user, page_scope) end def new @new_topic = Thredded::TopicForm.new(new_topic_params) authorize_creating @new_topic.topic return redirect_to(canonical_messageboard_params) unless params_match?(canonical_messageboard_params) render end def category authorize_reading messageboard @category = messageboard.categories.friendly.find(params[:category_id]) @topics = Thredded::TopicsPageView.new( thredded_current_user, policy_scope(@category.topics) .unstuck .order_recently_posted_first .page(current_page) ) render :index end def create @new_topic = Thredded::TopicForm.new(new_topic_params) authorize_creating @new_topic.topic if @new_topic.save redirect_to messageboard_topics_path(messageboard) else render :new end end def edit authorize topic, :update? return redirect_to(canonical_topic_params) unless params_match?(canonical_topic_params) @edit_topic = Thredded::EditTopicForm.new(user: thredded_current_user, topic: topic) end def update topic.assign_attributes(topic_params_for_update) authorize topic, :update? if topic.messageboard_id_changed? # Work around the association not being reset. # TODO: report issue to Rails. Looks like a regression of: # https://rails.lighthouseapp.com/projects/8994/tickets/2989 topic.messageboard = Thredded::Messageboard.find(topic.messageboard_id) authorize topic.messageboard, :post? end @edit_topic = Thredded::EditTopicForm.new(user: thredded_current_user, topic: topic) if @edit_topic.save redirect_to messageboard_topic_url(topic.messageboard, topic), notice: t('thredded.topics.updated_notice') else render :edit end end def destroy authorize topic, :destroy? topic.destroy! redirect_to messageboard_topics_path(messageboard), notice: t('thredded.topics.deleted_notice') end def follow authorize topic, :read? Thredded::UserTopicFollow.create_unless_exists(thredded_current_user.id, topic.id) follow_change_response(following: true) end def unfollow authorize topic, :read? Thredded::UserTopicFollow.find_by(topic_id: topic.id, user_id: thredded_current_user.id).try(:destroy) follow_change_response(following: false) end private def canonical_messageboard_params { messageboard_id: messageboard.slug } end def canonical_topic_params { messageboard_id: messageboard.slug, id: topic.slug } end def follow_change_response(following:) notice = following ? t('thredded.topics.followed_notice') : t('thredded.topics.unfollowed_notice') respond_to do |format| format.html { redirect_to messageboard_topic_url(messageboard, topic), notice: notice } format.json { render(json: { follow: following }) } end end # Returns the `@topic` instance variable. # If `@topic` is not set, it first sets it to the topic with the slug or ID given by `params[:id]`. # # @return [Thredded::Topic] # @raise [Thredded::Errors::TopicNotFound] if the topic with the given slug does not exist. def topic @topic ||= Thredded::Topic.friendly_find!(params[:id]) end # Use the topic's messageboard instead of the one specified in the URL, # to account for `params[:messageboard_id]` pointing to the wrong messageboard def use_topic_messageboard @messageboard = topic.messageboard end def topic_params params .require(:topic) .permit(:title, :locked, :sticky, category_ids: []) end def topic_params_for_update params .require(:topic) .permit(:title, :locked, :sticky, :messageboard_id, category_ids: []) end def current_page (params[:page] || 1).to_i end end end