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<?php |
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namespace Liip\ImagineBundle\Imagine\Data; |
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use Liip\ImagineBundle\Binary\Loader\LoaderInterface; |
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use Liip\ImagineBundle\Imagine\Filter\FilterConfiguration; |
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use Liip\ImagineBundle\Binary\MimeTypeGuesserInterface; |
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use Liip\ImagineBundle\Model\Binary; |
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use Liip\ImagineBundle\Binary\BinaryInterface; |
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use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesserInterface; |
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class DataManager |
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{ |
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/** |
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* @var MimeTypeGuesserInterface |
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*/ |
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protected $mimeTypeGuesser; |
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/** |
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* @var ExtensionGuesserInterface |
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*/ |
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protected $extensionGuesser; |
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/** |
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* @var FilterConfiguration |
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*/ |
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protected $filterConfig; |
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/** |
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* @var string|null |
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*/ |
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protected $defaultLoader; |
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/** |
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* @var string|null |
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*/ |
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protected $globalDefaultImage; |
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/** |
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* @var LoaderInterface[] |
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*/ |
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protected $loaders = array(); |
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/** |
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* @param MimeTypeGuesserInterface $mimeTypeGuesser |
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* @param ExtensionGuesserInterface $extensionGuesser |
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* @param FilterConfiguration $filterConfig |
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* @param string $defaultLoader |
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* @param string $globalDefaultImage |
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*/ |
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public function __construct( |
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MimeTypeGuesserInterface $mimeTypeGuesser, |
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ExtensionGuesserInterface $extensionGuesser, |
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FilterConfiguration $filterConfig, |
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$defaultLoader = null, |
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$globalDefaultImage = null |
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) { |
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$this->mimeTypeGuesser = $mimeTypeGuesser; |
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$this->filterConfig = $filterConfig; |
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$this->defaultLoader = $defaultLoader; |
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$this->extensionGuesser = $extensionGuesser; |
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$this->globalDefaultImage = $globalDefaultImage; |
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} |
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/** |
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* Adds a loader to retrieve images for the given filter. |
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* |
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* @param string $filter |
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* @param LoaderInterface $loader |
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*/ |
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public function addLoader($filter, LoaderInterface $loader) |
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{ |
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$this->loaders[$filter] = $loader; |
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} |
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/** |
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* Returns a loader previously attached to the given filter. |
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* |
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* @param string $filter |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return LoaderInterface |
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*/ |
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public function getLoader($filter) |
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{ |
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$config = $this->filterConfig->get($filter); |
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$loaderName = empty($config['data_loader']) ? $this->defaultLoader : $config['data_loader']; |
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if (!isset($this->loaders[$loaderName])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Could not find data loader "%s" for "%s" filter type', |
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$loaderName, |
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$filter |
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)); |
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} |
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return $this->loaders[$loaderName]; |
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} |
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/** |
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* Retrieves an image with the given filter applied. |
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* |
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* @param string $filter |
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* @param string $path |
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* |
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* @throws \LogicException |
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* |
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* @return \Liip\ImagineBundle\Binary\BinaryInterface |
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*/ |
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public function find($filter, $path) |
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{ |
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$loader = $this->getLoader($filter); |
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$binary = $loader->find($path); |
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if (!$binary instanceof BinaryInterface) { |
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$mimeType = $this->mimeTypeGuesser->guess($binary); |
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$binary = new Binary( |
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$binary, |
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$mimeType, |
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$this->extensionGuesser->guess($mimeType) |
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); |
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} |
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if (null === $binary->getMimeType()) { |
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throw new \LogicException(sprintf('The mime type of image %s was not guessed.', $path)); |
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} |
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if (0 !== strpos($binary->getMimeType(), 'image/')) { |
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throw new \LogicException(sprintf('The mime type of image %s must be image/xxx got %s.', $path, $binary->getMimeType())); |
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} |
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return $binary; |
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} |
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/** |
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* Get default image url with the given filter applied. |
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* |
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* @param string $filter |
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* |
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* @return string |
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*/ |
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public function getDefaultImageUrl($filter) |
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{ |
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$config = $this->filterConfig->get($filter); |
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$defaultImage = null; |
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if (false == empty($config['default_image'])) { |
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$defaultImage = $config['default_image']; |
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} elseif (!empty($this->globalDefaultImage)) { |
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$defaultImage = $this->globalDefaultImage; |
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} |
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return $defaultImage; |
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} |
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} |
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liip /
LiipImagineBundle
When comparing two booleans, it is generally considered safer to use the strict comparison operator.