1 files changed, 25 insertions, 0 deletions
diff --git a/app/services/notes/update_service.rb b/app/services/notes/update_service.rb
new file mode 100644
index 00000000000..63431b82471
--- /dev/null
+++ b/app/services/notes/update_service.rb
@@ -0,0 +1,25 @@
+module Notes
+  class UpdateService < BaseService
+    def execute
+      note = project.notes.find(params[:note_id])
+      note.note = params[:note]
+      if note.save
+        notification_service.new_note(note)
+
+        # Skip system notes, like status changes and cross-references.
+        unless note.system
+          event_service.leave_note(note, note.author)
+
+          # Create a cross-reference note if this Note contains GFM that
+          # names an issue, merge request, or commit.
+          note.references.each do |mentioned|
+            Note.create_cross_reference_note(mentioned, note.noteable,
+                                             note.author, note.project)
+          end
+        end
+      end
+
+      note
+    end
+  end
+end