122 lines
3.4 KiB
PHP
122 lines
3.4 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is part of the Symfony framework.
|
||
|
|
*
|
||
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
||
|
|
*
|
||
|
|
* This source file is subject to the MIT license that is bundled
|
||
|
|
* with this source code in the file LICENSE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Symfony\Bundle\AsseticBundle\Controller;
|
||
|
|
|
||
|
|
use Assetic\ValueSupplierInterface;
|
||
|
|
|
||
|
|
use Assetic\Asset\AssetCache;
|
||
|
|
use Assetic\Asset\AssetInterface;
|
||
|
|
use Assetic\Factory\LazyAssetManager;
|
||
|
|
use Assetic\Cache\CacheInterface;
|
||
|
|
use Symfony\Component\HttpFoundation\Request;
|
||
|
|
use Symfony\Component\HttpFoundation\Response;
|
||
|
|
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
|
||
|
|
use Symfony\Component\HttpKernel\Profiler\Profiler;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serves assets.
|
||
|
|
*
|
||
|
|
* @author Kris Wallsmith <kris@symfony.com>
|
||
|
|
*/
|
||
|
|
class AsseticController
|
||
|
|
{
|
||
|
|
protected $request;
|
||
|
|
protected $am;
|
||
|
|
protected $cache;
|
||
|
|
protected $enableProfiler;
|
||
|
|
protected $profiler;
|
||
|
|
protected $valueSupplier;
|
||
|
|
|
||
|
|
public function __construct(Request $request, LazyAssetManager $am, CacheInterface $cache, $enableProfiler = false, Profiler $profiler = null)
|
||
|
|
{
|
||
|
|
$this->request = $request;
|
||
|
|
$this->am = $am;
|
||
|
|
$this->cache = $cache;
|
||
|
|
$this->enableProfiler = (boolean) $enableProfiler;
|
||
|
|
$this->profiler = $profiler;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setValueSupplier(ValueSupplierInterface $supplier)
|
||
|
|
{
|
||
|
|
$this->valueSupplier = $supplier;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function render($name, $pos = null)
|
||
|
|
{
|
||
|
|
if (!$this->enableProfiler && null !== $this->profiler) {
|
||
|
|
$this->profiler->disable();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->am->has($name)) {
|
||
|
|
throw new NotFoundHttpException(sprintf('The "%s" asset could not be found.', $name));
|
||
|
|
}
|
||
|
|
|
||
|
|
$asset = $this->am->get($name);
|
||
|
|
if (null !== $pos && !$asset = $this->findAssetLeaf($asset, $pos)) {
|
||
|
|
throw new NotFoundHttpException(sprintf('The "%s" asset does not include a leaf at position %d.', $name, $pos));
|
||
|
|
}
|
||
|
|
|
||
|
|
$response = $this->createResponse();
|
||
|
|
$response->setExpires(new \DateTime());
|
||
|
|
|
||
|
|
// last-modified
|
||
|
|
if (null !== $lastModified = $asset->getLastModified()) {
|
||
|
|
$date = new \DateTime();
|
||
|
|
$date->setTimestamp($lastModified);
|
||
|
|
$response->setLastModified($date);
|
||
|
|
}
|
||
|
|
|
||
|
|
// etag
|
||
|
|
if ($this->am->hasFormula($name)) {
|
||
|
|
$formula = $this->am->getFormula($name);
|
||
|
|
$formula['last_modified'] = $lastModified;
|
||
|
|
$response->setETag(md5(serialize($formula)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($response->isNotModified($this->request)) {
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
$response->setContent($this->cachifyAsset($asset)->dump());
|
||
|
|
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected function createResponse()
|
||
|
|
{
|
||
|
|
return new Response();
|
||
|
|
}
|
||
|
|
|
||
|
|
protected function cachifyAsset(AssetInterface $asset)
|
||
|
|
{
|
||
|
|
if ($vars = $asset->getVars()) {
|
||
|
|
if (null === $this->valueSupplier) {
|
||
|
|
throw new \RuntimeException(sprintf('You must configure a value supplier if you have assets with variables.'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$asset->setValues(array_intersect_key($this->valueSupplier->getValues(), array_flip($vars)));
|
||
|
|
}
|
||
|
|
|
||
|
|
return new AssetCache($asset, $this->cache);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function findAssetLeaf(\Traversable $asset, $pos)
|
||
|
|
{
|
||
|
|
$i = 0;
|
||
|
|
foreach ($asset as $leaf) {
|
||
|
|
if ($pos == $i++) {
|
||
|
|
return $leaf;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|