Updated Tag model to support actions

closes #11014

core/server/models/tag.js

@@ -68,6 +68,24 @@ Tag = ghostBookshelf.Model.extend({
         delete attrs.parent_id;
 
         return attrs;
+    },
+
+    getAction(event, options) {
+        const actor = this.getActor(options);
+
+        // @NOTE: we ignore internal updates (`options.context.internal`) for now
+        if (!actor) {
+            return;
+        }
+
+        // @TODO: implement context
+        return {
+            event: event,
+            resource_id: this.id || this.previous('id'),
+            resource_type: 'tag',
+            actor_id: actor.id,
+            actor_type: actor.type
+        };
     }
 }, {
     orderDefaultOptions: function orderDefaultOptions() {