1 files changed, 19 insertions, 0 deletions
diff --git a/app/services/merge_requests/base_service.rb b/app/services/merge_requests/base_service.rb
index ec8a17162ca..aaa91548d19 100644
--- a/app/services/merge_requests/base_service.rb
+++ b/app/services/merge_requests/base_service.rb
@@ -36,6 +36,10 @@ module MergeRequests
 
       execute_external_hooks(merge_request, merge_data)
 
+      if action == 'open' && Feature.enabled?(:group_mentions, merge_request.project)
+        execute_group_mention_hooks(merge_request, merge_data)
+      end
+
       enqueue_jira_connect_messages_for(merge_request)
     end
 
@@ -43,6 +47,21 @@ module MergeRequests
       # Implemented in EE
     end
 
+    def execute_group_mention_hooks(merge_request, merge_data)
+      return unless merge_request.instance_of?(MergeRequest)
+
+      args = {
+        mentionable_type: 'MergeRequest',
+        mentionable_id: merge_request.id,
+        hook_data: merge_data,
+        is_confidential: false
+      }
+
+      merge_request.run_after_commit_or_now do
+        Integrations::GroupMentionWorker.perform_async(args)
+      end
+    end
+
     def handle_changes(merge_request, options)
       old_associations = options.fetch(:old_associations, {})
       old_assignees = old_associations.fetch(:assignees, [])