require_dependency 'category_serializer' class CategoriesController < ApplicationController requires_login except: [:index, :categories_and_latest, :categories_and_top, :show, :redirect, :find_by_slug] before_action :fetch_category, only: [:show, :update, :destroy] before_action :initialize_staff_action_logger, only: [:create, :update, :destroy] skip_before_action :check_xhr, only: [:index, :categories_and_latest, :categories_and_top, :redirect] def redirect redirect_to path("/c/#{params[:path]}") end def index discourse_expires_in 1.minute @description = SiteSetting.site_description parent_category = Category.find_by(slug: params[:parent_category_id]) || Category.find_by(id: params[:parent_category_id].to_i) category_options = { is_homepage: current_homepage == "categories".freeze, parent_category_id: params[:parent_category_id], include_topics: include_topics(parent_category) } @category_list = CategoryList.new(guardian, category_options) @category_list.draft_key = Draft::NEW_TOPIC @category_list.draft_sequence = DraftSequence.current( current_user, Draft::NEW_TOPIC ) @category_list.draft = Draft.get(current_user, Draft::NEW_TOPIC, @category_list.draft_sequence) if current_user @title = "#{I18n.t('js.filters.categories.title')} - #{SiteSetting.title}" unless category_options[:is_homepage] respond_to do |format| format.html do store_preloaded(@category_list.preload_key, MultiJson.dump(CategoryListSerializer.new(@category_list, scope: guardian))) style = SiteSetting.desktop_category_page_style topic_options = { per_page: SiteSetting.categories_topics, no_definitions: true, exclude_category_ids: Category.where(suppress_from_latest: true).pluck(:id) } if style == "categories_and_latest_topics".freeze @topic_list = TopicQuery.new(current_user, topic_options).list_latest elsif style == "categories_and_top_topics".freeze @topic_list = TopicQuery.new(nil, topic_options).list_top_for(SiteSetting.top_page_default_timeframe.to_sym) end if @topic_list.present? store_preloaded( @topic_list.preload_key, MultiJson.dump(TopicListSerializer.new(@topic_list, scope: guardian)) ) end render end format.json { render_serialized(@category_list, CategoryListSerializer) } end end def categories_and_latest categories_and_topics(:latest) end def categories_and_top categories_and_topics(:top) end def move guardian.ensure_can_create_category! params.require("category_id") params.require("position") if category = Category.find(params["category_id"]) category.move_to(params["position"].to_i) render json: success_json else render status: 500, json: failed_json end end def reorder guardian.ensure_can_create_category! params.require(:mapping) change_requests = MultiJson.load(params[:mapping]) by_category = Hash[change_requests.map { |cat, pos| [Category.find(cat.to_i), pos] }] unless guardian.is_admin? raise Discourse::InvalidAccess unless by_category.keys.all? { |c| guardian.can_see_category? c } end by_category.each do |cat, pos| cat.position = pos cat.save! if cat.will_save_change_to_position? end render json: success_json end def show if Category.topic_create_allowed(guardian).where(id: @category.id).exists? @category.permission = CategoryGroup.permission_types[:full] end render_serialized(@category, CategorySerializer) end def create guardian.ensure_can_create!(Category) position = category_params.delete(:position) @category = Category.create(category_params.merge(user: current_user)) if @category.save @category.move_to(position.to_i) if position Scheduler::Defer.later "Log staff action create category" do @staff_action_logger.log_category_creation(@category) end render_serialized(@category, CategorySerializer) else return render_json_error(@category) unless @category.save end end def update guardian.ensure_can_edit!(@category) json_result(@category, serializer: CategorySerializer) do |cat| cat.move_to(category_params[:position].to_i) if category_params[:position] category_params.delete(:position) # properly null the value so the database constraint doesn't catch us if category_params.has_key?(:email_in) && category_params[:email_in].blank? category_params[:email_in] = nil end old_permissions = cat.permissions_params if result = cat.update(category_params) Scheduler::Defer.later "Log staff action change category settings" do @staff_action_logger.log_category_settings_change(@category, category_params, old_permissions) end end result end end def update_slug @category = Category.find(params[:category_id].to_i) guardian.ensure_can_edit!(@category) custom_slug = params[:slug].to_s if custom_slug.present? && @category.update_attributes(slug: custom_slug) render json: success_json else render_json_error(@category) end end def set_notifications category_id = params[:category_id].to_i notification_level = params[:notification_level].to_i CategoryUser.set_notification_level_for_category(current_user, notification_level, category_id) render json: success_json end def destroy guardian.ensure_can_delete!(@category) @category.destroy Scheduler::Defer.later "Log staff action delete category" do @staff_action_logger.log_category_deletion(@category) end render json: success_json end def find_by_slug params.require(:category_slug) @category = Category.find_by_slug(params[:category_slug], params[:parent_category_slug]) guardian.ensure_can_see!(@category) @category.permission = CategoryGroup.permission_types[:full] if Category.topic_create_allowed(guardian).where(id: @category.id).exists? render_serialized(@category, CategorySerializer) end private def categories_and_topics(topics_filter) discourse_expires_in 1.minute category_options = { is_homepage: current_homepage == "categories".freeze, parent_category_id: params[:parent_category_id], include_topics: false } topic_options = { per_page: SiteSetting.categories_topics, no_definitions: true, exclude_category_ids: Category.where(suppress_from_latest: true).pluck(:id) } result = CategoryAndTopicLists.new result.category_list = CategoryList.new(guardian, category_options) if topics_filter == :latest result.topic_list = TopicQuery.new(current_user, topic_options).list_latest elsif topics_filter == :top result.topic_list = TopicQuery.new(nil, topic_options).list_top_for(SiteSetting.top_page_default_timeframe.to_sym) end draft_key = Draft::NEW_TOPIC draft_sequence = DraftSequence.current(current_user, draft_key) draft = Draft.get(current_user, draft_key, draft_sequence) if current_user %w{category topic}.each do |type| result.send(:"#{type}_list").draft = draft result.send(:"#{type}_list").draft_key = draft_key result.send(:"#{type}_list").draft_sequence = draft_sequence end render_serialized(result, CategoryAndTopicListsSerializer, root: false) end def required_param_keys [:name, :color, :text_color] end def category_params @category_params ||= begin required_param_keys.each do |key| params.require(key) end if p = params[:permissions] p.each do |k, v| p[k] = v.to_i end end if SiteSetting.tagging_enabled params[:allowed_tags] ||= [] params[:allowed_tag_groups] ||= [] end params.permit(*required_param_keys, :position, :email_in, :email_in_allow_strangers, :mailinglist_mirror, :suppress_from_latest, :all_topics_wiki, :parent_category_id, :auto_close_hours, :auto_close_based_on_last_post, :uploaded_logo_id, :uploaded_background_id, :slug, :allow_badges, :topic_template, :sort_order, :sort_ascending, :topic_featured_link_allowed, :show_subcategory_list, :num_featured_topics, :default_view, :subcategory_list_style, :default_top_period, :minimum_required_tags, custom_fields: [params[:custom_fields].try(:keys)], permissions: [*p.try(:keys)], allowed_tags: [], allowed_tag_groups: []) end end def fetch_category @category = Category.find_by(slug: params[:id]) || Category.find_by(id: params[:id].to_i) end def initialize_staff_action_logger @staff_action_logger = StaffActionLogger.new(current_user) end def include_topics(parent_category = nil) style = SiteSetting.desktop_category_page_style view_context.mobile_view? || params[:include_topics] || (parent_category && parent_category.subcategory_list_includes_topics?) || style == "categories_with_featured_topics".freeze || style == "categories_with_top_topics".freeze end end