Viewing file:  ResponseExtension.php (2.28 KB) -rw-r--r--
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<?php
/*
* This file is part of the PHPFlasher package.
* (c) Younes KHOUBZA <younes.khoubza@gmail.com>
*/
namespace Flasher\Prime\Http;
use Flasher\Prime\FlasherInterface;
use Flasher\Prime\Response\Presenter\HtmlPresenter;
final class ResponseExtension
{
/**
* @var FlasherInterface
*/
private $flasher;
public function __construct(FlasherInterface $flasher)
{
$this->flasher = $flasher;
}
/**
* @return ResponseInterface
*/
public function render(RequestInterface $request, ResponseInterface $response)
{
if (!$this->isRenderable($request, $response)) {
return $response;
}
$content = $response->getContent() ?: '';
if (!\is_string($content)) {
return $response;
}
$placeHolders = array(
HtmlPresenter::FLASHER_FLASH_BAG_PLACE_HOLDER,
HtmlPresenter::HEAD_END_PLACE_HOLDER,
HtmlPresenter::BODY_END_PLACE_HOLDER,
);
foreach ($placeHolders as $insertPlaceHolder) {
$insertPosition = strripos($content, $insertPlaceHolder);
if (false !== $insertPosition) {
break;
}
}
if (false === $insertPosition) {
return $response;
}
$alreadyRendered = HtmlPresenter::FLASHER_FLASH_BAG_PLACE_HOLDER === $insertPlaceHolder;
$htmlResponse = $this->flasher->render(array(), 'html', array('envelopes_only' => $alreadyRendered));
if (empty($htmlResponse)) {
return $response;
}
$htmlResponse = "\n".str_replace("\n", '', $htmlResponse)."\n";
$offset = $alreadyRendered ? strlen(HtmlPresenter::FLASHER_FLASH_BAG_PLACE_HOLDER) : 0;
$content = substr($content, 0, $insertPosition).$htmlResponse.substr($content, $insertPosition + $offset);
$response->setContent($content);
return $response;
}
/**
* @return bool
*/
private function isRenderable(RequestInterface $request, ResponseInterface $response)
{
return !$request->isXmlHttpRequest()
&& $request->isHtmlRequestFormat()
&& !$response->isRedirection()
&& $response->isHtml()
&& !$response->isAttachment()
&& !$response->isJson();
}
}
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