1 files changed, 27 insertions, 0 deletions
diff --git a/app/services/incident_management/timeline_event_tags/base_service.rb b/app/services/incident_management/timeline_event_tags/base_service.rb
new file mode 100644
index 00000000000..7bb596dcd92
--- /dev/null
+++ b/app/services/incident_management/timeline_event_tags/base_service.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  module TimelineEventTags
+    class BaseService
+      def allowed?
+        user&.can?(:admin_incident_management_timeline_event_tag, project)
+      end
+
+      def success(timeline_event_tag)
+        ServiceResponse.success(payload: { timeline_event_tag: timeline_event_tag })
+      end
+
+      def error(message)
+        ServiceResponse.error(message: message)
+      end
+
+      def error_no_permissions
+        error(_('You have insufficient permissions to manage timeline event tags for this project'))
+      end
+
+      def error_in_save(timeline_event_tag)
+        error(timeline_event_tag.errors.full_messages.to_sentence)
+      end
+    end
+  end
+end