Merge pull request #161 from RajeshGogo/drive-v3-change_snippet

drive-v3 : change snippet

drive/snippets/drive_v3/change_snippets/fetch_changes.js

@@ -0,0 +1,49 @@
+/**
+ * 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 drive_fetch_changes]
+
+/**
+ * Retrieve the list of changes for the currently authenticated user.
+ * @param {string} savedStartPageToken page token got after executing fetch_start_page_token.js file
+ **/
+async function fetch_changes(savedStartPageToken) {
+    // Get credentials and build service
+    // TODO (developer) - Use appropriate auth mechanism for your app
+
+    const {GoogleAuth} = require('google-auth-library');
+    const {google} = require('googleapis');
+
+    const auth = new GoogleAuth({scopes: 'https://www.googleapis.com/auth/drive.readonly'});
+    const service = google.drive({version: 'v3', auth});
+    try {
+        let pageToken;
+        const res = await service.changes.list({
+          pageToken: savedStartPageToken,
+          fields: '*',
+        });
+        res.data.changes.forEach((change) => {
+          console.log('change found for file: ', change.fileId);
+        });
+        pageToken = res.data.newStartPageToken;
+        console.log('start token :', pageToken);
+  } catch (err) {
+      // TODO(developer) - Handle error
+      throw err;
+  }
+}
+// [END drive_fetch_changes]
+
+fetch_changes(284);

drive/snippets/drive_v3/change_snippets/fetch_start_page_token.js

@@ -0,0 +1,40 @@
+/**
+ * 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 drive_fetch_start_page_token]
+
+/**
+ * Retrieve page token for the current state of the account.
+ **/
+async function fetch_start_page_token() {
+  // Get credentials and build service
+  // TODO (developer) - Use appropriate auth mechanism for your app
+
+    const {GoogleAuth} = require('google-auth-library');
+    const {google} = require('googleapis');
+
+    const auth = new GoogleAuth({scopes: 'https://www.googleapis.com/auth/drive.appdata'});
+    const service = google.drive({version: 'v3', auth});
+    try {
+        const res = await service.changes.getStartPageToken({});
+        console.log('start token: ', res.data.startPageToken);
+    } catch (err) {
+        // TODO(developer) - Handle error
+        throw err;
+   }
+}
+// [END drive_fetch_start_page_token]
+
+fetch_start_page_token();