require_dependency 'topic_view' require_dependency 'promotion' class TopicsController < ApplicationController # Avatar is an image request, not XHR before_filter :ensure_logged_in, only: [:timings, :destroy_timings, :update, :star, :destroy, :status, :invite, :mute, :unmute, :set_notifications, :move_posts, :merge_topic, :clear_pin, :autoclose] before_filter :consider_user_for_promotion, only: :show skip_before_filter :check_xhr, only: [:avatar, :show, :feed, :redirect_to_show] caches_action :avatar, cache_path: Proc.new {|c| "#{c.params[:post_number]}-#{c.params[:topic_id]}" } def redirect_to_show topic_query = ((num = params[:id].to_i) > 0 and num.to_s == params[:id].to_s) ? Topic.where(id: num) : Topic.where(slug: params[:id]) topic = topic_query.includes(:category).first raise Discourse::NotFound unless topic redirect_to topic.relative_url end def show opts = params.slice(:username_filters, :best_of, :page, :post_number, :posts_before, :posts_after, :best) @topic_view = TopicView.new(params[:id] || params[:topic_id], current_user, opts) raise Discourse::NotFound if @topic_view.posts.blank? && !(opts[:best].to_i > 0) anonymous_etag(@topic_view.topic) do redirect_to_correct_topic && return if slugs_do_not_match View.create_for(@topic_view.topic, request.remote_ip, current_user) track_visit_to_topic perform_show_response end canonical_url @topic_view.canonical_path end def destroy_timings PostTiming.destroy_for(current_user.id, params[:topic_id].to_i) render nothing: true end def update topic = Topic.where(id: params[:topic_id]).first guardian.ensure_can_edit!(topic) topic.title = params[:title] if params[:title].present? # TODO: we may need smarter rules about converting archetypes if current_user.admin? topic.archetype = "regular" if params[:archetype] == 'regular' end success = false Topic.transaction do success = topic.save topic.change_category(params[:category]) if success end # this is used to return the title to the client as it may have been # changed by "TextCleaner" if success render_serialized(topic, BasicTopicSerializer) else render_json_error(topic) end end def similar_to requires_parameters(:title, :raw) title, raw = params[:title], params[:raw] raise Discourse::InvalidParameters.new(:title) if title.length < SiteSetting.min_title_similar_length raise Discourse::InvalidParameters.new(:raw) if raw.length < SiteSetting.min_body_similar_length topics = Topic.similar_to(title, raw) render_serialized(topics, BasicTopicSerializer) end def status requires_parameters(:status, :enabled) raise Discourse::InvalidParameters.new(:status) unless %w(visible closed pinned archived).include?(params[:status]) @topic = Topic.where(id: params[:topic_id].to_i).first guardian.ensure_can_moderate!(@topic) @topic.update_status(params[:status], (params[:enabled] == 'true'), current_user) render nothing: true end def star @topic = Topic.where(id: params[:topic_id].to_i).first guardian.ensure_can_see!(@topic) @topic.toggle_star(current_user, params[:starred] == 'true') render nothing: true end def mute toggle_mute(true) end def unmute toggle_mute(false) end def autoclose requires_parameter(:auto_close_days) @topic = Topic.where(id: params[:topic_id].to_i).first guardian.ensure_can_moderate!(@topic) @topic.auto_close_days = params[:auto_close_days] @topic.auto_close_user = current_user @topic.save render nothing: true end def destroy topic = Topic.where(id: params[:id]).first guardian.ensure_can_delete!(topic) topic.trash! render nothing: true end def excerpt render nothing: true end def invite requires_parameter(:user) topic = Topic.where(id: params[:topic_id]).first guardian.ensure_can_invite_to!(topic) if topic.invite(current_user, params[:user]) render json: success_json else render json: failed_json, status: 422 end end def set_notifications topic = Topic.find(params[:topic_id].to_i) TopicUser.change(current_user, topic.id, notification_level: params[:notification_level].to_i) render json: success_json end def merge_topic requires_parameters(:destination_topic_id) topic = Topic.where(id: params[:topic_id]).first guardian.ensure_can_move_posts!(topic) dest_topic = topic.move_posts(current_user, topic.posts.pluck(:id), destination_topic_id: params[:destination_topic_id].to_i) if dest_topic.present? render json: {success: true, url: dest_topic.relative_url} else render json: {success: false} end end def move_posts requires_parameters(:post_ids) topic = Topic.where(id: params[:topic_id]).first guardian.ensure_can_move_posts!(topic) args = {} args[:title] = params[:title] if params[:title].present? args[:destination_topic_id] = params[:destination_topic_id].to_i if params[:destination_topic_id].present? dest_topic = topic.move_posts(current_user, params[:post_ids].map {|p| p.to_i}, args) if dest_topic.present? render json: {success: true, url: dest_topic.relative_url} else render json: {success: false} end end def clear_pin topic = Topic.where(id: params[:topic_id].to_i).first guardian.ensure_can_see!(topic) topic.clear_pin_for(current_user) render nothing: true end def timings PostTiming.process_timings( current_user, params[:topic_id].to_i, params[:topic_time].to_i, (params[:timings] || []).map{|post_number, t| [post_number.to_i, t.to_i]} ) render nothing: true end def feed @topic_view = TopicView.new(params[:topic_id]) anonymous_etag(@topic_view.topic) do render 'topics/show', formats: [:rss] end end private def toggle_mute(v) @topic = Topic.where(id: params[:topic_id].to_i).first guardian.ensure_can_see!(@topic) @topic.toggle_mute(current_user) render nothing: true end def consider_user_for_promotion Promotion.new(current_user).review if current_user.present? end def slugs_do_not_match params[:slug] && @topic_view.topic.slug != params[:slug] end def redirect_to_correct_topic fullpath = request.fullpath split = fullpath.split('/') split[2] = @topic_view.topic.slug redirect_to split.join('/'), status: 301 end def track_visit_to_topic return unless should_track_visit_to_topic? TopicUser.track_visit! @topic_view.topic, current_user @topic_view.draft = Draft.get(current_user, @topic_view.draft_key, @topic_view.draft_sequence) end def should_track_visit_to_topic? (!request.xhr? || params[:track_visit]) && current_user end def perform_show_response topic_view_serializer = TopicViewSerializer.new(@topic_view, scope: guardian, root: false) respond_to do |format| format.html do store_preloaded("topic_#{@topic_view.topic.id}", MultiJson.dump(topic_view_serializer)) end format.json do render_json_dump(topic_view_serializer) end end end end