Symfony Profiler

<?php
/**
* @copyright Copyright (C) eZ Systems AS. All rights reserved.
* @license For full copyright and license information view LICENSE file distributed with this source code.
*/
namespace eZ\Bundle\EzPublishCoreBundle\Imagine;
use eZ\Publish\API\Repository\Exceptions\InvalidVariationException;
use eZ\Publish\Core\MVC\Exception\SourceImageNotFoundException;
use eZ\Publish\API\Repository\Values\Content\Field;
use eZ\Publish\API\Repository\Values\Content\VersionInfo;
use eZ\Publish\SPI\Variation\Values\ImageVariation;
use eZ\Publish\SPI\Variation\VariationHandler;
use eZ\Publish\SPI\FieldType\Value;
use eZ\Publish\Core\FieldType\Image\Value as ImageValue;
use Imagine\Exception\RuntimeException;
use Liip\ImagineBundle\Binary\BinaryInterface;
use Liip\ImagineBundle\Binary\Loader\LoaderInterface;
use Liip\ImagineBundle\Exception\Binary\Loader\NotLoadableException;
use Liip\ImagineBundle\Exception\Imagine\Cache\Resolver\NotResolvableException;
use Liip\ImagineBundle\Imagine\Cache\Resolver\ResolverInterface;
use Liip\ImagineBundle\Imagine\Filter\FilterConfiguration;
use Liip\ImagineBundle\Imagine\Filter\FilterManager;
use Psr\Log\LoggerInterface;
use InvalidArgumentException;
use Psr\Log\NullLogger;
use SplFileInfo;
/**
* Image alias generator using LiipImagineBundle API.
* Doesn't use DataManager/CacheManager as it's directly bound to IO Repository for convenience.
*/
class AliasGenerator implements VariationHandler
{
const ALIAS_ORIGINAL = 'original';
/** @var \Psr\Log\LoggerInterface */
private $logger;
/**
* Loader used to retrieve the original image.
* DataManager is not used to remain independent from ImagineBundle configuration.
*
* @var \Liip\ImagineBundle\Binary\Loader\LoaderInterface
*/
private $dataLoader;
/** @var \Liip\ImagineBundle\Imagine\Filter\FilterManager */
private $filterManager;
/** @var FilterConfiguration */
private $filterConfiguration;
/** @var \Liip\ImagineBundle\Imagine\Cache\Resolver\ResolverInterface */
private $ioResolver;
public function __construct(
LoaderInterface $dataLoader,
FilterManager $filterManager,
ResolverInterface $ioResolver,
FilterConfiguration $filterConfiguration,
LoggerInterface $logger = null
) {
$this->dataLoader = $dataLoader;
$this->filterManager = $filterManager;
$this->ioResolver = $ioResolver;
$this->filterConfiguration = $filterConfiguration;
$this->logger = null !== $logger ? $logger : new NullLogger();
}
/**
* {@inheritdoc}
*
* @throws \InvalidArgumentException If field value is not an instance of \eZ\Publish\Core\FieldType\Image\Value.
* @throws \eZ\Publish\Core\MVC\Exception\SourceImageNotFoundException If source image cannot be found.
* @throws \eZ\Publish\API\Repository\Exceptions\InvalidVariationException If a problem occurs with generated variation.
*/
public function getVariation(Field $field, VersionInfo $versionInfo, $variationName, array $parameters = [])
{
/** @var \eZ\Publish\Core\FieldType\Image\Value $imageValue */
$imageValue = $field->value;
$fieldId = $field->id;
$fieldDefIdentifier = $field->fieldDefIdentifier;
if (!$this->supportsValue($imageValue)) {
throw new InvalidArgumentException("Value for field #$fieldId ($fieldDefIdentifier) cannot be used for image alias generation.");
}
$originalPath = $imageValue->id;
$variationWidth = $variationHeight = null;
// Create the image alias only if it does not already exist.
if ($variationName !== IORepositoryResolver::VARIATION_ORIGINAL && !$this->ioResolver->isStored($originalPath, $variationName)) {
try {
$originalBinary = $this->dataLoader->find($originalPath);
} catch (NotLoadableException $e) {
throw new SourceImageNotFoundException($originalPath, 0, $e);
}
$this->logger->debug("Generating '$variationName' variation on $originalPath, field #$fieldId ($fieldDefIdentifier)");
$this->ioResolver->store(
$this->applyFilter($originalBinary, $variationName),
$originalPath,
$variationName
);
} else {
if ($variationName === IORepositoryResolver::VARIATION_ORIGINAL) {
$variationWidth = $imageValue->width;
$variationHeight = $imageValue->height;
}
$this->logger->debug("'$variationName' variation on $originalPath is already generated. Loading from cache.");
}
try {
$aliasInfo = new SplFileInfo(
$this->ioResolver->resolve($originalPath, $variationName)
);
} catch (NotResolvableException $e) {
// If for some reason image alias cannot be resolved, throw the appropriate exception.
throw new InvalidVariationException($variationName, 'image', 0, $e);
} catch (RuntimeException $e) {
throw new InvalidVariationException($variationName, 'image', 0, $e);
}
return new ImageVariation(
[
'name' => $variationName,
'fileName' => $aliasInfo->getFilename(),
'dirPath' => $aliasInfo->getPath(),
'uri' => $aliasInfo->getPathname(),
'imageId' => $imageValue->imageId,
'width' => $variationWidth,
'height' => $variationHeight,
]
);
}
/**
* Applies $variationName filters on $image.
*
* Both variations configured in eZ (SiteAccess context) and LiipImagineBundle are used.
* An eZ variation may have a "reference".
* In that case, reference's filters are applied first, recursively (a reference may also have another reference).
* Reference must be a valid variation name, configured in eZ or in LiipImagineBundle.
*
* @param BinaryInterface $image
* @param string $variationName
*
* @return \Liip\ImagineBundle\Binary\BinaryInterface
*/
private function applyFilter(BinaryInterface $image, $variationName)
{
$filterConfig = $this->filterConfiguration->get($variationName);
// If the variation has a reference, we recursively call this method to apply reference's filters.
if (isset($filterConfig['reference']) && $filterConfig['reference'] !== IORepositoryResolver::VARIATION_ORIGINAL) {
$image = $this->applyFilter($image, $filterConfig['reference']);
}
return $this->filterManager->applyFilter($image, $variationName);
}
public function supportsValue(Value $value)
{
return $value instanceof ImageValue;
}
}

vendor/ezsystems/ezpublish-kernel/eZ/Bundle/EzPublishCoreBundle/Imagine/AliasGenerator.php line 103