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<?php
// Example code for connecting to the Google Cloud Datastore
require_once 'config.php';
require_once 'Google/Client.php';
require_once 'Google/Auth/AssertionCredentials.php';
require_once 'Google/Service/Datastore.php';
// assumes that an array like the following is defined in config.php
// $google_api_config = [
// 'application-id' => 'A name for your app engine app',
// 'service-account-name' => 'xxx@developer.gserviceaccount.com',
// 'private-key' => file_get_contents('xxx-privatekey.p12'),
// 'dataset-id' => 'your-app-id'
// ];
function create_entity() {
$entity = new Google_Service_Datastore_Entity();
$entity->setKey(createKeyForTestItem());
$string_prop = new Google_Service_Datastore_Property();
$string_prop->setStringValue("test field string value");
$property_map = [];
$property_map["testfield"] = $string_prop;
$entity->setProperties($property_map);
return $entity;
}
function createKeyForTestItem() {
$path = new Google_Service_Datastore_KeyPathElement();
$path->setKind("testkind");
$path->setName("testkeyname");
$key = new Google_Service_Datastore_Key();
$key->setPath([$path]);
return $key;
}
function create_test_request() {
$entity = create_entity();
$mutation = new Google_Service_Datastore_Mutation();
$mutation->setUpsert([$entity]);
$req = new Google_Service_Datastore_CommitRequest();
$req->setMode('NON_TRANSACTIONAL');
$req->setMutation($mutation);
return $req;
}
$scopes = [
"https://www.googleapis.com/auth/datastore",
"https://www.googleapis.com/auth/userinfo.email",
];
$client = new Google_Client();
$client->setApplicationName($google_api_config['application-id']);
$client->setAssertionCredentials(new Google_Auth_AssertionCredentials(
$google_api_config['service-account-name'],
$scopes, $google_api_config['private-key']));
$service = new Google_Service_Datastore($client);
$service_dataset = $service->datasets;
$dataset_id = $google_api_config['dataset-id'];
try {
// test the config and connectivity by creating a test entity, building
// a commit request for that entity, and creating/updating it in the datastore
$req = create_test_request();
$service_dataset->commit($dataset_id, $req, []);
}
catch (Google_Exception $ex) {
syslog(LOG_WARNING, 'Commit to Cloud Datastore exception: ' . $ex->getMessage());
echo "There was an issue -- check the logs.";
return;
}
echo "Connected!";