/**
* @param BuzzClientInterface $client
*/
public function __construct(BuzzClientInterface $client = null)
{
// @todo[1]: This exists for keeping BC. To be removed!
$this->client = is_null($client) ? new Curl() : $client;
$this->httpClient = new Client(array(), $client);
$this->httpClient->addListener(new NormalizeArrayListener());
}
/**
* Fetch access token with a grant_type of client_credentials
*
* @access public
* @return array
*
* throws \InvalidArgumentException
* @throws HttpResponseException
*/
protected function getAccessToken()
{
$response = $this->httpClient->post(self::ENDPOINT_ACCESS_TOKEN, array('grant_type' => 'client_credentials', 'client_id' => self::$config['client_id'], 'client_secret' => self::$config['client_secret'], 'scope' => implode(',', self::$config['scopes'])));
$data = json_decode($response->getContent(), true);
if (json_last_error() !== JSON_ERROR_NONE) {
$ex = new HttpResponseException('[access_token] Invalid JSON: ' . json_last_error_msg());
$ex->setResponse($this->httpClient->getLastResponse())->setRequest($this->httpClient->getLastRequest());
throw $ex;
}
if (false === array_key_exists('access_token', $data)) {
throw new HttpResponseException('access_token is missing from response. ' . $response->getContent());
}
return $data;
}
/**
* Fetches all the results, using API version 1.0.
*
* @param array $result
* @param string $valuesKey
*
* @return array
*
* @throws \RuntimeException
*/
protected function fetchApi1($result, $valuesKey = 'values')
{
/** @var Request $request */
$request = $this->client->getLastRequest();
if (!array_key_exists($valuesKey, $result)) {
throw new \RuntimeException(sprintf('No values-key "%s" found in resource "%s", please report this bug to the Gush developers.', $valuesKey, $request->getResource()));
}
$fullResult = $result[$valuesKey];
if ($this->perPage !== null && $this->perPage <= 50) {
return $fullResult;
}
// The api is limited to 50 per page
// So everything higher then 50 requires additional call(s)
$urlComponents = parse_url($request->getResource());
parse_str($urlComponents['query'], $query);
$urlComponents['query'] = $query;
$url = $request->getHost() . $urlComponents['path'] . '?';
$limit = $urlComponents['query']['limit'];
$count = isset($result['count']) ? $result['count'] : $urlComponents['limit'];
$pages = ceil($count / $limit);
for ($page = $this->page + 1; $page <= $pages; ++$page) {
$urlComponents['query']['start'] = abs($page - 1) * $limit;
$response = $this->client->get($url . http_build_query($urlComponents['query'], '', '&'));
$result = json_decode($response->getContent(), true);
$fullResult = array_merge($fullResult, $result[$valuesKey]);
// We only wanted one, so stop now
if ($this->perPage !== null) {
break;
}
}
return $fullResult;
}
