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<?php |
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namespace MediaMonks\SonataMediaBundle\Generator; |
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use League\Glide\Filesystem\FilesystemException; |
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use League\Glide\Server; |
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use MediaMonks\SonataMediaBundle\Model\MediaInterface; |
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class ImageGenerator |
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{ |
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/** |
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* @var Server |
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*/ |
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private $server; |
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/** |
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* @var FilenameGeneratorInterface |
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*/ |
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private $filenameGenerator; |
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/** |
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* @var string |
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*/ |
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private $tmpPath; |
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/** |
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* @var string |
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*/ |
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private $tmpPrefix; |
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/** |
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* @var string |
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*/ |
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private $fallbackImage; |
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/** |
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* @param Server $server |
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* @param FilenameGeneratorInterface $filenameGenerator |
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* @param null $fallbackImage |
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* @param null $tmpPath |
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* @param null $tmpPrefix |
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*/ |
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public function __construct( |
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Server $server, |
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FilenameGeneratorInterface $filenameGenerator, |
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$fallbackImage = null, |
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$tmpPath = null, |
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$tmpPrefix = null |
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) { |
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$this->server = $server; |
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$this->filenameGenerator = $filenameGenerator; |
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$this->fallbackImage = $fallbackImage; |
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$this->tmpPath = $tmpPath; |
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$this->tmpPrefix = $tmpPrefix; |
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} |
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/** |
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* @param MediaInterface $media |
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* @param array $parameters |
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* @return string |
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* @throws FilesystemException |
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*/ |
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public function generate(MediaInterface $media, array $parameters) |
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{ |
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$filename = $this->filenameGenerator->generate($media, $parameters); |
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if (!$this->server->getSource()->has($filename)) { |
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$this->generateImage($media, $parameters, $filename); |
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} |
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return $filename; |
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} |
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/** |
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* @param MediaInterface $media |
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* @param array $parameters |
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* @param $filename |
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* @throws FilesystemException |
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* @throws \Exception |
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*/ |
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protected function generateImage(MediaInterface $media, array $parameters, $filename) |
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{ |
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$tmp = $this->getTemporaryFile(); |
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$imageData = $this->getImageData($media); |
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if (@file_put_contents($tmp, $imageData) === false) { |
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throw new FilesystemException('Unable to write temporary file'); |
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} |
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try { |
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$this->doGenerateImage($media, $filename, $tmp, $parameters); |
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} catch (\Exception $e) { |
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throw new \Exception('Could not generate image', 0, $e); |
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} finally { |
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@unlink($tmp); |
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} |
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} |
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/** |
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* @param MediaInterface $media |
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* @return string |
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* @throws FilesystemException |
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*/ |
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protected function getImageData(MediaInterface $media) |
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{ |
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if ($this->server->getSource()->has($media->getImage())) { |
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return $this->server->getSource()->read($media->getImage()); |
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} |
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if (!is_null($this->fallbackImage)) { |
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return file_get_contents($this->fallbackImage); |
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} |
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throw new FilesystemException('File not found'); |
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} |
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/** |
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* @param MediaInterface $media |
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* @param string $filename |
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* @param string $tmp |
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* @param array $parameters |
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*/ |
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protected function doGenerateImage(MediaInterface $media, $filename, $tmp, array $parameters) |
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{ |
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$this->server->getCache()->write($filename, $this->server->getApi()->run($tmp, $parameters)); |
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} |
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/** |
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* @return string |
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*/ |
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protected function getTemporaryFile() |
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{ |
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if (empty($this->tmpPath)) { |
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$this->tmpPath = sys_get_temp_dir(); |
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} |
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if (empty($this->tmpPrefix)) { |
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$this->tmpPrefix = 'media'; |
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} |
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return tempnam($this->tmpPath, $this->tmpPrefix); |
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} |
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/** |
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* @return Server |
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*/ |
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public function getServer() |
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{ |
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return $this->server; |
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} |
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/** |
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* @return FilenameGeneratorInterface |
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*/ |
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public function getFilenameGenerator() |
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{ |
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return $this->filenameGenerator; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTmpPath() |
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{ |
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return $this->tmpPath; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTmpPrefix() |
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{ |
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return $this->tmpPrefix; |
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} |
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/** |
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* @return string |
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*/ |
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public function getFallbackImage() |
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{ |
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return $this->fallbackImage; |
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} |
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} |
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mediamonks /
symfony-sonata-media-bundle
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.