谷歌日历推送通知设置

为每个单独的资源创建一个通知通道，然后对该资源的任何修改都会得到通知。下面的信息直接来自 Google (创建通知渠道)。

点表:

每个可观察的 Google Calendar API 资源都有一个相关的观察方法，其 URI 的形式如下:

https://www.googleapis.com/**apiName**/**apiVersion**/**resourcePath**/watch

若要为有关特定资源更改的消息设置通知通道，请向资源的 watch 方法发送 POST 请求。 每个通知通道都与特定用户和特定资源(或资源集)相关联。除非当前用户拥有或具有访问此资源的权限，否则监视请求不会成功。

例如:

开始观察给定日历上事件集合的变化:

POST https://www.googleapis.com/calendar/v3/calendars/my_calendar@gmail.com/events/watch
Authorization: Bearer auth_token_for_current_user
Content-Type: application/json


{
"id": "01234567-89ab-cdef-0123456789ab", // Your channel ID.
"type": "web_hook",
"address": "https://example.com/notifications", // Your receiving URL.
...
"token": "target=myApp-myCalendarChannelDest", // (Optional) Your channel token.
"expiration": 1426325213000 // (Optional) Your requested channel expiration time.
}
}

参考文献: Google (创建通知渠道)(2018年3月19日)。

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<?php
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 Calendar API PHP Quickstart');
$client->setScopes(Google_Service_Calendar::CALENDAR_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();
$service = new Google_Service_Calendar($client);


// Print the next 10 events on the user's calendar.
$calendarId = 'primary';
$optParams = array(
'maxResults' => 10,
'orderBy' => 'startTime',
'singleEvents' => true,
'timeMin' => date('c'),
);
$results = $service->events->listEvents($calendarId, $optParams);
$events = $results->getItems();


if (empty($events)) {
print "No upcoming events found.\n";
} else {
print "Upcoming events:\n";
foreach ($events as $event) {
$start = $event->start->dateTime;
if (empty($start)) {
$start = $event->start->date;
}
printf("%s (%s)\n", $event->getSummary(), $start);
}
}

完整教程