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[AsseticBundle] added ETags to the development controller #104

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Feb 25, 2011
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[AsseticBundle] added ETags to the development controller #104

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[AsseticBundle] added etags to controller so changes to filters etc t… 
…rigger invalidation
  • Loading branch information
@kriswallsmith
kriswallsmith committed Feb 25, 2011
commit 968c870c9455c363ec14fed44e17313d6e4ec368
27 changes: 19 additions & 8 deletions src/Symfony/Bundle/AsseticBundle/Controller/AsseticController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
namespace Symfony\Bundle\AsseticBundle\Controller;

use Assetic\Asset\AssetCache;
use Assetic\AssetManager;
use Assetic\Factory\LazyAssetManager;
use Assetic\Cache\CacheInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
Expand All @@ -29,7 +29,7 @@ class AsseticController
protected $am;
protected $cache;

public function __construct(Request $request, AssetManager $am, CacheInterface $cache)
public function __construct(Request $request, LazyAssetManager $am, CacheInterface $cache)
{
$this->request = $request;
$this->am = $am;
Expand All @@ -43,25 +43,36 @@ public function render($name)
}

$asset = $this->getAsset($name);
$response = $this->createResponse();

$response = new Response();

// validate if-modified-since
// 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 $response;
}
if ($response->isNotModified($this->request)) {
return $response;
}

$response->setContent($asset->dump());

return $response;
}

protected function createResponse()
{
return new Response();
}

protected function getAsset($name)
{
return new AssetCache($this->am->get($name), $this->cache);
Expand Down