feat: Add samples for Drive Labels Advanced Service (googleworkspace#354)

* feat: Add samples for Drive Labels Advanced Service

* Update advanced/driveLabels.gs

Co-authored-by: Steve Bazyl <[email protected]>

* Update advanced/driveLabels.gs

Co-authored-by: Steve Bazyl <[email protected]>

* Remove hard coded value

Co-authored-by: Steve Bazyl <[email protected]>

Author: LastZactionHero

advanced/driveLabels.gs

@@ -0,0 +1,53 @@
+/**
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+ // [START apps_script_drive_labels_list_labels]
+/**
+ * List labels available to the user.
+ */
+function listLabels() {
+  let pageToken = null;
+  let labels = [];
+  do {
+    try {
+      const response = DriveLabels.Labels.list({publishedOnly: true, pageToken: pageToken})
+      pageToken = response.nextPageToken;
+      labels = labels.concat(response.labels);
+    } catch (err) {
+      // TODO (developer) - Handle exception
+      Logger.log('Failed to list labels with error %s', err.message);
+    }
+  } while (pageToken != null);
+ 
+  Logger.log('Found %d labels', labels.length);
+  console.log(labels[0].name)
+}
+// [END apps_script_drive_labels_list_labels]
+ 
+// [START apps_script_drive_labels_get_label]
+/**
+ * Get a label by name.
+ */
+function getLabel(labelName) {
+  try {
+    const label = DriveLabels.Labels.get(labelName, {view: "LABEL_VIEW_FULL"});
+    Logger.log("Fetched label with title: '%s' and %d fields.", label.properties.title, label.fields.length);
+  } catch (err) {
+    // TODO (developer) - Handle exception
+    Logger.log('Failed to get label with error %s', err.message);
+  }
+}
+// [END apps_script_drive_labels_get_label]