83707: Implement feedback

src/app/core/shared/content-source-set-serializer.ts

@@ -0,0 +1,31 @@
+import { isEmpty } from '../../shared/empty.util';
+
+/**
+ * Serializer to create convert the 'all' value supported by the server to an empty string and vice versa.
+ */
+export class ContentSourceSetSerializer {
+
+  /**
+   * Method to serialize a setId
+   * @param {string} setId
+   * @returns {string} the provided set ID, unless when an empty set ID is provided. In that case, 'all' will be returned.
+   */
+  Serialize(setId: string): any {
+    if (isEmpty(setId)) {
+      return 'all';
+    }
+    return setId;
+  }
+
+  /**
+   * Method to deserialize a setId
+   * @param {string} setId
+   * @returns {string} the provided set ID. When 'all' is provided, an empty set ID will be returned.
+   */
+  Deserialize(setId: string): string {
+    if (setId === 'all') {
+      return '';
+    }
+    return setId;
+  }
+}