class ListController < ApplicationController skip_before_filter :check_xhr @@categories = [ # filtered topics lists Discourse.filters.map { |f| "category_#{f}".to_sym }, Discourse.filters.map { |f| "category_none_#{f}".to_sym }, Discourse.filters.map { |f| "parent_category_category_#{f}".to_sym }, Discourse.filters.map { |f| "parent_category_category_none_#{f}".to_sym }, # top summaries :category_top, :category_none_top, :parent_category_category_top, # top pages (ie. with a period) TopTopic.periods.map { |p| "category_top_#{p}".to_sym }, TopTopic.periods.map { |p| "category_none_top_#{p}".to_sym }, TopTopic.periods.map { |p| "parent_category_category_top_#{p}".to_sym }, # category feeds :category_feed, ].flatten before_filter :set_category, only: @@categories before_filter :ensure_logged_in, except: [ :topics_by, # anonymous filters Discourse.anonymous_filters, Discourse.anonymous_filters.map { |f| "#{f}_feed".to_sym }, # categories @@categories, # top :top, TopTopic.periods.map { |p| "top_#{p}".to_sym } ].flatten # Create our filters Discourse.filters.each do |filter| define_method(filter) do |options = nil| list_opts = build_topic_list_options list_opts.merge!(options) if options user = list_target_user if filter == :latest && params[:category].blank? list_opts[:no_definitions] = true end list = TopicQuery.new(user, list_opts).public_send("list_#{filter}") list.more_topics_url = construct_next_url_with(list_opts) list.prev_topics_url = construct_prev_url_with(list_opts) if Discourse.anonymous_filters.include?(filter) @description = SiteSetting.site_description @rss = filter end respond(list) end define_method("category_#{filter}") do self.send(filter, { category: @category.id }) end define_method("category_none_#{filter}") do self.send(filter, { category: @category.id, no_subcategories: true }) end define_method("parent_category_category_#{filter}") do self.send(filter, { category: @category.id }) end define_method("parent_category_category_none_#{filter}") do self.send(filter, { category: @category.id }) end end Discourse.anonymous_filters.each do |filter| define_method("#{filter}_feed") do discourse_expires_in 1.minute @title = "#{filter.capitalize} Topics" @link = "#{Discourse.base_url}/#{filter}" @description = I18n.t("rss_description.#{filter}") @atom_link = "#{Discourse.base_url}/#{filter}.rss" @topic_list = TopicQuery.new.public_send("list_#{filter}") render 'list', formats: [:rss] end end [:topics_by, :private_messages, :private_messages_sent, :private_messages_unread].each do |action| define_method("#{action}") do list_opts = build_topic_list_options target_user = fetch_user_from_params guardian.ensure_can_see_private_messages!(target_user.id) unless action == :topics_by list = generate_list_for(action.to_s, target_user, list_opts) url_prefix = "topics" unless action == :topics_by list.more_topics_url = url_for(construct_next_url_with(list_opts, url_prefix)) list.prev_topics_url = url_for(construct_prev_url_with(list_opts, url_prefix)) respond(list) end end def category_feed guardian.ensure_can_see!(@category) discourse_expires_in 1.minute @title = @category.name @link = "#{Discourse.base_url}/category/#{@category.slug}" @description = "#{I18n.t('topics_in_category', category: @category.name)} #{@category.description}" @atom_link = "#{Discourse.base_url}/category/#{@category.slug}.rss" @topic_list = TopicQuery.new.list_new_in_category(@category) render 'list', formats: [:rss] end def popular_redirect # We've renamed popular to latest. Use a redirect until we're sure we can # safely remove this. redirect_to latest_path, :status => 301 end def top(options = nil) discourse_expires_in 1.minute top_options = build_topic_list_options top_options.merge!(options) if options top = generate_top_lists(top_options) top.draft_key = Draft::NEW_TOPIC top.draft_sequence = DraftSequence.current(current_user, Draft::NEW_TOPIC) top.draft = Draft.get(current_user, top.draft_key, top.draft_sequence) if current_user respond_to do |format| format.html do @top = top store_preloaded('top_lists', MultiJson.dump(TopListSerializer.new(top, scope: guardian, root: false))) render 'top' end format.json do render json: MultiJson.dump(TopListSerializer.new(top, scope: guardian, root: false)) end end end def category_top options = { category: @category.id } top(options) end def category_none_top options = { category: @category.id, no_subcategories: true } top(options) end def parent_category_category_top options = { category: @category.id } top(options) end TopTopic.periods.each do |period| define_method("top_#{period}") do |options = nil| top_options = build_topic_list_options top_options.merge!(options) if options top_options[:per_page] = SiteSetting.topics_per_period_in_top_page user = list_target_user list = TopicQuery.new(user, top_options).public_send("list_top_#{period}") list.more_topics_url = construct_next_url_with(top_options) list.prev_topics_url = construct_prev_url_with(top_options) respond(list) end define_method("category_top_#{period}") do self.send("top_#{period}", { category: @category.id }) end define_method("category_none_top_#{period}") do self.send("top_#{period}", { category: @category.id, no_subcategories: true }) end define_method("parent_category_category_#{period}") do self.send("top_#{period}", { category: @category.id }) end end protected def respond(list) discourse_expires_in 1.minute list.draft_key = Draft::NEW_TOPIC list.draft_sequence = DraftSequence.current(current_user, Draft::NEW_TOPIC) list.draft = Draft.get(current_user, list.draft_key, list.draft_sequence) if current_user respond_to do |format| format.html do @list = list store_preloaded('topic_list', MultiJson.dump(TopicListSerializer.new(list, scope: guardian))) render 'list' end format.json do render_serialized(list, TopicListSerializer) end end end def next_page_params(opts = nil) page_params(opts).merge(page: params[:page].to_i + 1) end def prev_page_params(opts = nil) pg = params[:page].to_i if pg > 1 page_params(opts).merge(page: pg - 1) else page_params(opts).merge(page: nil) end end private def page_params(opts = nil) opts ||= {} route_params = {format: 'json'} route_params[:category] = @category.slug if @category route_params[:parent_category] = @category.parent_category.slug if @category && @category.parent_category route_params[:sort_order] = opts[:sort_order] if opts[:sort_order].present? route_params[:sort_descending] = opts[:sort_descending] if opts[:sort_descending].present? route_params end def set_category slug_or_id = params.fetch(:category) parent_slug_or_id = params[:parent_category] parent_category_id = nil if parent_slug_or_id.present? parent_category_id = Category.query_parent_category(parent_slug_or_id) raise Discourse::NotFound.new if parent_category_id.blank? end @category = Category.query_category(slug_or_id, parent_category_id) guardian.ensure_can_see!(@category) raise Discourse::NotFound.new if @category.blank? end def build_topic_list_options # exclude_category = 1. from params / 2. parsed from top menu / 3. nil options = { page: params[:page], topic_ids: param_to_integer_list(:topic_ids), exclude_category: (params[:exclude_category] || select_menu_item.try(:filter)), category: params[:category], sort_order: params[:sort_order], sort_descending: params[:sort_descending], status: params[:status] } options[:no_subcategories] = true if params[:no_subcategories] == 'true' options end def select_menu_item menu_item = SiteSetting.top_menu_items.select do |mu| (mu.has_specific_category? && mu.specific_category == @category.try(:slug)) || action_name == mu.name || (action_name.include?("top") && mu.name == "top") end.first menu_item = nil if menu_item.try(:has_specific_category?) && menu_item.specific_category == @category.try(:slug) menu_item end def list_target_user if params[:user_id] && guardian.is_staff? User.find(params[:user_id].to_i) else current_user end end def generate_list_for(action, target_user, opts) TopicQuery.new(current_user, opts).send("list_#{action}", target_user) end def construct_next_url_with(opts, url_prefix = nil) method = url_prefix.blank? ? "#{action_name}_path" : "#{url_prefix}_#{action_name}_path" public_send(method, opts.merge(next_page_params(opts))) end def construct_prev_url_with(opts, url_prefix = nil) method = url_prefix.blank? ? "#{action_name}_path" : "#{url_prefix}_#{action_name}_path" public_send(method, opts.merge(prev_page_params(opts))) end def generate_top_lists(options) top = TopLists.new options[:per_page] = SiteSetting.topics_per_period_in_top_summary topic_query = TopicQuery.new(current_user, options) if current_user.present? periods = [ListController.best_period_for(current_user.previous_visit_at)] else periods = TopTopic.periods end periods.each { |period| top.send("#{period}=", topic_query.list_top_for(period)) } top end def self.best_period_for(date) date ||= 1.year.ago return :yearly if date < 180.days.ago return :monthly if date < 35.days.ago return :weekly if date < 8.days.ago :daily end end