Added labels to the issue web hook

app/models/concerns/issuable.rb

@@ -261,6 +261,7 @@ module Issuable
       user: user.hook_attrs,
       project: project.hook_attrs,
       object_attributes: hook_attrs,
+      labels: labels.map(&:hook_attrs),
       # DEPRECATED
       repository: project.hook_attrs.slice(:name, :url, :description, :homepage)
     }

app/models/label.rb

@@ -169,6 +169,10 @@ class Label < ActiveRecord::Base
     end
   end
+  def hook_attrs
+    attributes
+  end
+
   private
   def issues_count(user, params = {})

changelogs/unreleased/add-labels-to-issue-hook.yml

+---
+title: Added labels array to the issue web hook returned object
+merge_request: 9972
+author:

doc/user/project/integrations/webhooks.md

@@ -250,7 +250,19 @@ X-Gitlab-Event: Issue Hook
     "name": "User1",
     "username": "user1",
     "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
-  }
+  },
+  "labels": [{
+    "id": 206,
+    "title": "API",
+    "color": "#ffffff",
+    "project_id": 14,
+    "created_at": "2013-12-03T17:15:43Z",
+    "updated_at": "2013-12-03T17:15:43Z",
+    "template": false,
+    "description": "API related issues",
+    "type": "ProjectLabel",
+    "group_id": 41
+  }]
 }
 ```
 ### Comment events

spec/models/concerns/issuable_spec.rb

@@ -278,6 +278,16 @@ describe Issue, "Issuable" do
       end
     end
+    context 'issue has labels' do
+      let(:labels) { [create(:label), create(:label)] }
+
+      before { issue.update_attribute(:labels, labels)}
+
+      it 'includes labels in the hook data' do
+        expect(data[:labels]).to eq(labels.map(&:hook_attrs))
+      end
+    end
+
     include_examples 'project hook data'
     include_examples 'deprecated repository hook data'
   end