Adding labels to note event payload.

changelogs/unreleased/33064-add-labels-to-note-event-payload.yml

+---
+title: Add labels to note event payload
+merge_request: 29384
+author: Sujay Patel
+type: added

doc/user/project/integrations/webhooks.md

@@ -653,7 +653,33 @@ X-Gitlab-Event: Note Hook
     "description": "test",
     "milestone_id": null,
     "state": "closed",
-    "iid": 17
+    "iid": 17,
+    "labels": [
+      {
+        "id": 25,
+        "title": "Afterpod",
+        "color": "#3e8068",
+        "project_id": null,
+        "created_at": "2019-06-05T14:32:20.211Z",
+        "updated_at": "2019-06-05T14:32:20.211Z",
+        "template": false,
+        "description": null,
+        "type": "GroupLabel",
+        "group_id": 4
+      },
+      {
+        "id": 86,
+        "title": "Element",
+        "color": "#231afe",
+        "project_id": 4,
+        "created_at": "2019-06-05T14:32:20.637Z",
+        "updated_at": "2019-06-05T14:32:20.637Z",
+        "template": false,
+        "description": null,
+        "type": "ProjectLabel",
+        "group_id": null
+      }
+    ],
   }
 }
 ```

lib/gitlab/data_builder/note.rb

@@ -44,6 +44,7 @@ module Gitlab
           data[:commit] = build_data_for_commit(project, user, note)
         elsif note.for_issue?
           data[:issue] = note.noteable.hook_attrs
+          data[:issue][:labels] = note.noteable.labels(&:hook_attrs)
         elsif note.for_merge_request?
           data[:merge_request] = note.noteable.hook_attrs
         elsif note.for_snippet?

lib/gitlab/hook_data/issue_builder.rb

@@ -44,7 +44,8 @@ module Gitlab
             human_total_time_spent: issue.human_total_time_spent,
             human_time_estimate: issue.human_time_estimate,
             assignee_ids: issue.assignee_ids,
-            assignee_id: issue.assignee_ids.first # This key is deprecated
+            assignee_id: issue.assignee_ids.first, # This key is deprecated
+            labels: issue.labels
         }
 
         issue.attributes.with_indifferent_access.slice(*self.class.safe_hook_attributes)

spec/lib/gitlab/data_builder/note_spec.rb

@@ -53,6 +53,8 @@ describe Gitlab::DataBuilder::Note do
         .to eq(issue.reload.hook_attrs.except('updated_at'))
       expect(data[:issue]['updated_at'])
         .to be >= issue.hook_attrs['updated_at']
+      expect(data[:issue]['labels'])
+        .to eq(issue.hook_attrs['labels'])
     end
 
     context 'with confidential issue' do