/comments?group_by=comment: add is_sticky/is_deleted/do_not_bump_post/order params.

app/models/comment.rb

@@ -56,6 +56,22 @@ class Comment < ActiveRecord::Base
       where("comments.is_deleted = false")
     end
 
+    def sticky
+      where("comments.is_sticky = true")
+    end
+
+    def unsticky
+      where("comments.is_sticky = false")
+    end
+
+    def bumping
+      where("comments.do_not_bump_post = false")
+    end
+
+    def nonbumping
+      where("comments.do_not_bump_post = true")
+    end
+
     def post_tags_match(query)
       PostQueryBuilder.new(query).build(self.joins(:post)).reorder("")
     end
@@ -96,10 +112,24 @@ class Comment < ActiveRecord::Base
         q = q.for_creator(params[:creator_id].to_i)
       end
 
-      if params[:is_deleted] == "true"
-        q = q.deleted
-      elsif params[:is_deleted] == "false"
-        q = q.undeleted
+      q = q.deleted if params[:is_deleted] == "true"
+      q = q.undeleted if params[:is_deleted] == "false"
+
+      q = q.sticky if params[:is_sticky] == "true"
+      q = q.unsticky if params[:is_sticky] == "false"
+
+      q = q.nonbumping if params[:do_no_bump_post] == "true"
+      q = q.bumping if params[:do_not_bump_post] == "false"
+
+      case params[:order]
+      when "post_id", "post_id_desc"
+        q = q.order("comments.post_id DESC")
+      when "score", "score_desc"
+        q = q.order("comments.score DESC")
+      when "updated_at", "updated_at_desc"
+        q = q.order("comments.updated_at DESC")
+      else
+        q = q.order("comments.id DESC")
       end
 
       q