API: Expose updated_at for notes

CHANGELOG

@@ -35,6 +35,7 @@ v 8.7.0 (unreleased)
   - API: Expose user location (Robert Schilling)
   - ClosingIssueExtractor regex now also works with colons. e.g. "Fixes: #1234" !3591
   - Update number of Todos in the sidebar when it's marked as "Done". !3600
+  - API: Expose 'updated_at' for issue, snippet, and merge request notes (Robert Schilling)
 
 v 8.6.5
   - Fix importing from GitHub Enterprise. !3529

doc/api/notes.md

@@ -32,6 +32,7 @@ Parameters:
       "created_at": "2013-09-30T13:46:01Z"
     },
     "created_at": "2013-10-02T09:22:45Z",
+    "updated_at": "2013-10-02T10:22:45Z",
     "system": true,
     "upvote": false,
     "downvote": false,
@@ -51,6 +52,7 @@ Parameters:
       "created_at": "2013-09-30T13:46:01Z"
     },
     "created_at": "2013-10-02T09:56:03Z",
+    "updated_at": "2013-10-02T09:56:03Z",
     "system": true,
     "upvote": false,
     "downvote": false,
@@ -223,6 +225,7 @@ Parameters:
     "created_at": "2013-09-30T13:46:01Z"
   },
   "created_at": "2013-10-02T08:57:14Z",
+  "updated_at": "2013-10-02T08:57:14Z",
   "system": false,
   "upvote": false,
   "downvote": false,

lib/api/entities.rb

@@ -212,7 +212,7 @@ module API
       expose :note, as: :body
       expose :attachment_identifier, as: :attachment
       expose :author, using: Entities::UserBasic
-      expose :created_at
+      expose :created_at, :updated_at
       expose :system?, as: :system
       expose :noteable_id, :noteable_type
       # upvote? and downvote? are deprecated, always return false