public function testUseModifiedSince()
{
$value = $this->object->getUseModifiedSince();
$this->assertTrue($value);
$expected = false;
$this->object->setUseModifiedSince($expected);
$value = $this->object->getUseModifiedSince();
$this->assertFalse($value);
}
public function onRoute(MvcEvent $e)
{
/** @var $request Request */
$request = $e->getRequest();
/** @var $response Response */
$response = $e->getResponse();
if (!$response instanceof Response) {
return;
}
if (!$this->config->getUseModifiedSince()) {
return;
}
/** @var $modifiedSince IfModifiedSince */
$modifiedSince = $request->getHeader('If-Modified-Since');
if (!$modifiedSince instanceof IfModifiedSince) {
return;
}
$headers = $response->getHeaders();
/** @var $lastModified LastModified */
$lastModified = $headers->get('Last-Modified');
if (!$lastModified instanceof LastModified) {
$lastModified = new LastModified();
$headers->addHeader($lastModified);
}
// check if expire
$age = $lastModified->date()->getTimestamp() - $modifiedSince->date()->getTimestamp();
$maxAge = $this->config->getMaxAge();
if ($maxAge < 1) {
return;
}
if ($age < $maxAge) {
// Nop, you have quire fresh information
$lastModified->setDate($modifiedSince->date());
$response->setStatusCode($response::STATUS_CODE_304);
$response->setContent(null);
return $response;
}
}
