Apply filters after fetching collection

Author: AlexVelezLl

contentcuration/contentcuration/frontend/shared/data/resources.js

@@ -700,6 +700,20 @@ class Resource extends mix(APIResource, IndexedDBResource) {
     this._requests = {};
   }
 
+  /**
+   * Apply filters after fetching data from the server
+   * and update it with the local changes
+   * @param {Object[]} collection
+   * @param {Object} params
+   * @return {Object[]}
+   */
+  _applyFilters(data, params) {
+    if (params.parent) {
+      return data.filter(obj => obj.parent === params.parent);
+    }
+    return data;
+  }
+
   fetchCollection(params) {
     const now = Date.now();
     const queryString = paramsSerializer(params);
@@ -725,6 +739,7 @@ class Resource extends mix(APIResource, IndexedDBResource) {
         itemData = [];
       }
       return this.setData(itemData).then(data => {
+        data = this._applyFilters(data, params);
         // setData also applies any outstanding local change events to the data
         // so we return the data returned from setData to make sure the most up to date
         // representation is returned from the fetch.