Backend Refactoring

app/contexts/notes/load_context.rb

@@ -0,0 +1,34 @@
+module Notes
+  class LoadContext < BaseContext
+    def execute
+      target_type = params[:target_type]
+      target_id   = params[:target_id]
+      first_id    = params[:first_id]
+      last_id     = params[:last_id]
+
+
+      @notes = case target_type
+               when "commit" 
+                 then project.commit_notes(project.commit(target_id)).fresh.limit(20)
+               when "snippet"
+                 then  project.snippets.find(target_id).notes
+               when "wall"
+                 then project.common_notes.order("created_at DESC").fresh.limit(50)
+               when "issue"
+                 then project.issues.find(target_id).notes.inc_author.order("created_at DESC").limit(20)
+               when "merge_request"
+                 then project.merge_requests.find(target_id).notes.inc_author.order("created_at DESC").limit(20)
+               when "wiki"
+                 then project.wikis.reverse.map {|w| w.notes.fresh }.flatten[0..20]
+               end
+
+      @notes = if last_id
+                 @notes.where("id > ?", last_id)
+               elsif first_id
+                 @notes.where("id < ?", first_id)
+               else 
+                 @notes
+               end
+    end
+  end
+end