extension sync

app/assets/javascripts/app/frontend/models/app/extension.js

@@ -1,14 +1,3 @@
-class Extension extends Item {
-  constructor(json) {
-      super(json);
-      _.merge(this, json);
-
-      this.actions = this.actions.map(function(action){
-        return new Action(action);
-      })
-  }
-}
-
 class Action {
   constructor(json) {
       _.merge(this, json);
@@ -22,3 +11,44 @@ class Action {
       }
   }
 }
+
+class Extension extends Item {
+  constructor(json) {
+      super(json);
+      _.merge(this, json);
+
+      this.content_type = "Extension";
+  }
+
+  mapContentToLocalProperties(contentObject) {
+    super.mapContentToLocalProperties(contentObject)
+    this.name = contentObject.name;
+    this.url = contentObject.url;
+    this.actions = contentObject.actions.map(function(action){
+      return new Action(action);
+    })
+  }
+
+  updateFromExternalResponseItem(externalResponseItem) {
+    _.merge(this, externalResponseItem);
+    this.actions = externalResponseItem.actions.map(function(action){
+      return new Action(action);
+    })
+  }
+
+  referenceParams() {
+    return null;
+  }
+
+  structureParams() {
+    var params = {
+      name: this.name,
+      url: this.url,
+      actions: this.actions
+    };
+
+    _.merge(params, super.structureParams());
+    return params;
+  }
+
+}