Adding PHP quickstart example for Drive Activity v2 API.

drive/activity-v2/README.md

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+# Google Drive Activity API Quickstart
+
+Complete the steps described in the [Google Drive Activity API Quickstart](https://developers.google.com/drive/activity/v2/quickstart/php), and in about five minutes you'll have a simple PHP command-line application that makes requests to the Google Drive Activity API.
+
+## Set up
+
+### Install Composer Globally
+
+Before running this quickstart, be sure you have [Composer installed globally](https://getcomposer.org/doc/00-intro.md#globally).
+
+```sh
+composer install
+```
+
+### Download Developer Credentials
+
+- Follow the steps in the quickstart instructions to download your developer
+ credentials and save them in a file called `credentails.json` in this
+ directory.
+
+## Run
+
+```sh
+php quickstart.php
+```

drive/activity-v2/composer.json

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+{
+ "require": {
+ "google/apiclient": "^2.2"
+ }
+}

drive/activity-v2/quickstart.php

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+<?php
+/**
+ * Copyright 2019 Google Inc.
+ *
+ * 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
+ *
+ * http://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_activity_v2_quickstart]
+require __DIR__ . '/vendor/autoload.php';
+
+if (php_sapi_name() != 'cli') {
+ throw new Exception('This application must be run on the command line.');
+}
+
+/**
+ * Returns an authorized API client.
+ * @return Google_Client the authorized client object
+ */
+function getClient()
+{
+ $client = new Google_Client();
+ $client->setApplicationName('Google Drive Activity API Quickstart');
+ $client->setScopes(Google_Service_DriveActivity::DRIVE_ACTIVITY_READONLY);
+ $client->setAuthConfig('credentials.json');
+ $client->setAccessType('offline');
+ $client->setPrompt('select_account consent');
+
+ // Load previously authorized token from a file, if it exists.
+ // The file token.json stores the user's access and refresh tokens, and is
+ // created automatically when the authorization flow completes for the first
+ // time.
+ $tokenPath = 'token.json';
+ if (file_exists($tokenPath)) {
+ $accessToken = json_decode(file_get_contents($tokenPath), true);
+ $client->setAccessToken($accessToken);
+ }
+
+ // If there is no previous token or it's expired.
+ if ($client->isAccessTokenExpired()) {
+ // Refresh the token if possible, else fetch a new one.
+ if ($client->getRefreshToken()) {
+ $client->fetchAccessTokenWithRefreshToken($client->getRefreshToken());
+ } else {
+ // Request authorization from the user.
+ $authUrl = $client->createAuthUrl();
+ printf("Open the following link in your browser:\n%s\n", $authUrl);
+ print 'Enter verification code: ';
+ $authCode = trim(fgets(STDIN));
+
+ // Exchange authorization code for an access token.
+ $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
+ $client->setAccessToken($accessToken);
+
+ // Check to see if there was an error.
+ if (array_key_exists('error', $accessToken)) {
+ throw new Exception(join(', ', $accessToken));
+ }
+ }
+ // Save the token to a file.
+ if (!file_exists(dirname($tokenPath))) {
+ mkdir(dirname($tokenPath), 0700, true);
+ }
+ file_put_contents($tokenPath, json_encode($client->getAccessToken()));
+ }
+ return $client;
+}
+
+// Get the API client and construct the service object.
+$client = getClient();
+$service = new Google_Service_DriveActivity($client);
+
+// Print the recent activity in your Google Drive.
+$request = new Google_Service_DriveActivity_QueryDriveActivityRequest();
+$request->setPageSize(10);
+$results = $service->activity->query($request);
+
+if (count($results->getActivities()) == 0) {
+ print "No activity.\n";
+} else {
+ print "Recent activity:\n";
+ foreach ($results->getActivities() as $activity) {
+ $time = getTimeInfo($activity);
+ $action = getActionInfo($activity->getPrimaryActionDetail());
+ $actors = array_map("getActorInfo", $activity->getActors());
+ $targets = array_map("getTargetInfo", $activity->getTargets());
+ printf("%s: %s, %s, %s\n", $time, truncated($actors), $action, truncated($targets));
+ }
+}
+
+// Returns a string representation of the first elements in a list.
+function truncated($array, $limit = 2)
+{
+ $contents = implode(', ', array_slice($array, 0, $limit));
+ $more = count($array) > $limit ? ', ...' : '';
+ return sprintf('[%s%s]', $contents, $more);
+}
+
+// Returns the name of a set property in an object, or else "unknown".
+function getOneOf($obj)
+{
+ foreach ($obj as $key => $val) {
+ return $key;
+ }
+ return 'unknown';
+}
+
+// Returns a time associated with an activity.
+function getTimeInfo($activity)
+{
+ if ($activity->getTimestamp() != null) {
+ return $activity->getTimestamp();
+ }
+ if ($activity->getTimeRange() != null) {
+ return $activity->getTimeRange()->getEndTime();
+ }
+ return 'unknown';
+}
+
+// Returns the type of action.
+function getActionInfo($actionDetail)
+{
+ return getOneOf($actionDetail);
+}
+
+// Returns user information, or the type of user if not a known user.
+function getUserInfo($user)
+{
+ if ($user->getKnownUser() != null) {
+ $knownUser = $user->getKnownUser();
+ $isMe = $knownUser->getIsCurrentUser();
+ return $isMe ? "people/me" : $knownUser->getPersonName();
+ }
+ return getOneOf($user);
+}
+
+// Returns actor information, or the type of actor if not a user.
+function getActorInfo($actor)
+{
+ if ($actor->getUser() != null) {
+ return getUserInfo($actor->getUser());
+ }
+ return getOneOf($actor);
+}
+
+// Returns the type of a target and an associated title.
+function getTargetInfo($target)
+{
+ if ($target->getDriveItem() != null) {
+ return sprintf('driveItem:"%s"', $target->getDriveItem()->getTitle());
+ }
+ if ($target->getTeamDrive() != null) {
+ return sprintf('teamDrive:"%s"', $target->getTeamDrive()->getTitle());
+ }
+ if ($target->getFileComment() != null) {
+ $parent = $target->getFileComment()->getParent();
+ if ($parent != null) {
+ return sprintf('fileComment:"%s"', $parent->getTitle());
+ }
+ return 'fileComment:unknown';
+ }
+ return getOneOf($target);
+}
+// [END drive_activity_v2_quickstart]