Use the correct project visibility in system hooks

app/services/system_hooks_service.rb

@@ -83,7 +83,7 @@ class SystemHooksService
       project_id: model.id,
       owner_name: owner.name,
       owner_email: owner.respond_to?(:email) ? owner.email : "",
-      project_visibility: Project.visibility_levels.key(model.visibility_level_value).downcase
+      project_visibility: model.visibility.downcase
     }
   end
 

changelogs/unreleased/bvl-fix-system-hook-project-visibility.yml

+---
+title: Use the correct visibility attribute for projects in system hooks
+merge_request: 15065
+author:
+type: fixed

spec/services/system_hooks_service_spec.rb

@@ -63,6 +63,12 @@ describe SystemHooksService do
         :group_id, :user_id, :user_username, :user_name, :user_email, :group_access
       )
     end
+
+    it 'includes the correct project visibility level' do
+      data = event_data(project, :create)
+
+      expect(data[:project_visibility]).to eq('private')
+    end
   end
 
   context 'event names' do