/**
* Retrieves a resource information.
*
* @param string $resource The name of the resource. Should be a key in $resources.
* @return array
* @throws InvalidArgumentException If the requested resource is not in the list of valid ones.
*/
public function get($resource)
{
if (!isset($this->resources[$resource])) {
throw new InvalidArgumentException('The requested resource is not in the list');
}
return ResponseMediator::getContent($this->client->get($this->resources[$resource]));
}
/**
* @return Guzzle\Http\Message\Response
*/
public function getLastResponse($force = false)
{
$lastResponse = parent::getLastResponse();
if (304 != $lastResponse->getStatusCode()) {
$force = true;
}
return $force ? $lastResponse : $this->lastCachedResponse;
}
/**
* Create requests with If-Modified-Since headers
*
* {@inheritdoc}
*/
protected function createRequest($httpMethod, $url)
{
$request = parent::createRequest($httpMethod, $url);
if ($modifiedAt = $this->getCache()->getModifiedSince($url)) {
$modifiedAt = new \DateTime('@' . $modifiedAt);
$modifiedAt->setTimezone(new \DateTimeZone('GMT'));
$request->addHeader(sprintf('If-Modified-Since: %s GMT', $modifiedAt->format('l, d-M-y H:i:s')));
}
return $request;
}
/**
* Create requests with If-Modified-Since headers
*
* {@inheritdoc}
*/
protected function createRequest($httpMethod, $path, $body = null, array $headers = array(), array $options = array())
{
$request = parent::createRequest($httpMethod, $path, $body, $headers = array(), $options);
if ($modifiedAt = $this->getCache()->getModifiedSince($path)) {
$modifiedAt = new \DateTime('@' . $modifiedAt);
$modifiedAt->setTimezone(new \DateTimeZone('GMT'));
$request->addHeader('If-Modified-Since', sprintf('%s GMT', $modifiedAt->format('l, d-M-y H:i:s')));
}
if ($etag = $this->getCache()->getETag($path)) {
$request->addHeader('If-None-Match', $etag);
}
return $request;
}
/**
* @test
*/
public function shouldHandlePagination()
{
$path = '/some/path';
$parameters = array('a' => 'b');
$headers = array('c' => 'd');
$response = new Response();
$response->addHeader("Link:<page1>; rel=\"page2\", \n<page3>; rel=\"page4\"");
$client = $this->getBrowserMock();
$httpClient = new HttpClient(array(), $client);
$httpClient->request($path, $parameters, 'HEAD', $headers);
$this->assertEquals(array('page2' => 'page1', 'page4' => 'page3'), $response->getPagination());
}
/**
* @test
*/
public function shouldHandlePagination()
{
$path = '/some/path';
$body = 'a = b';
$headers = array('c' => 'd');
$response = new Response(200);
$response->addHeader('Link', "<page1>; rel=\"page2\", \n<page3>; rel=\"page4\"");
$client = $this->getBrowserMock();
$httpClient = new HttpClient(array(), $client);
$httpClient->request($path, $body, 'HEAD', $headers);
$this->assertEquals(array('page2' => 'page1', 'page4' => 'page3'), ResponseMediator::getPagination($response));
}
/**
* @param array $headers
*/
public function setHeaders(array $headers)
{
$this->httpClient->setHeaders($headers);
}