Commit 8f837c3

@@ -1,68 +1,4 @@
 class CategoryList
-  include ActiveModel::Serialization
-
-  attr_accessor :categories,
-                :topic_users,
-                :uncategorized,
-                :draft,
-                :draft_key,
-                :draft_sequence
-
-  def initialize(guardian=nil)
-    @guardian = guardian || Guardian.new
-
-    find_relevant_topics
-    find_categories
-
-    prune_empty
-    add_uncategorized
-    find_user_data
-  end
-
-  private
-
-    # Retrieve a list of all the topics we'll need
-    def find_relevant_topics
-      @topics_by_category_id = {}
-      category_featured_topics = CategoryFeaturedTopic.select([:category_id, :topic_id]).order(:rank)
-      @topics_by_id = {}
-
-      @all_topics = Topic.where(id: category_featured_topics.map(&:topic_id))
-      @all_topics.each do |t|
-        @topics_by_id[t.id] = t
-      end
-
-      category_featured_topics.each do |cft|
-        @topics_by_category_id[cft.category_id] ||= []
-        @topics_by_category_id[cft.category_id] << cft.topic_id
-      end
-    end
-
-    # Find a list of all categories to associate the topics with
-    def find_categories
-      @categories = Category
-                      .includes(:featured_users)
-                      .secured(@guardian)
-                      .order('COALESCE(categories.topics_week, 0) DESC')
-                      .order('COALESCE(categories.topics_month, 0) DESC')
-                      .order('COALESCE(categories.topics_year, 0) DESC')
-
-      @categories = @categories.to_a
-      @categories.each do |c|
-        topics_in_cat = @topics_by_category_id[c.id]
-        if topics_in_cat.present?
-          c.displayable_topics = []
-          topics_in_cat.each do |topic_id|
-            topic = @topics_by_id[topic_id]
-            if topic.present?
-              topic.category = c
-              c.displayable_topics << topic
-            end
-          end
-        end
-      end
-    end
-
     # Add the uncategorized "magic" category
     def add_uncategorized
       # Support for uncategorized topics
@@ -108,22 +44,4 @@ class CategoryList
         @all_topics.flatten!
       end
     end
-
-    # Remove any empty topics unless we can create them (so we can see the controls)
-    def prune_empty
-      unless @guardian.can_create?(Category)
-        # Remove categories with no featured topics unless we have the ability to edit one
-        @categories.delete_if { |c| c.displayable_topics.blank? }
-      end
-    end
-
-    # Get forum topic user records if appropriate
-    def find_user_data
-      if @guardian.current_user && @all_topics.present?
-        topic_lookup = TopicUser.lookup_for(@guardian.current_user, @all_topics)
-
-        # Attach some data for serialization to each topic
-        @all_topics.each { |ft| ft.user_data = topic_lookup[ft.id] }
-      end
-    end
 end