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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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* @param Server $server |
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* @param FilenameGeneratorInterface $filenameGenerator |
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* @param string $tmpPath |
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* @param string $tmpPrefix |
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*/ |
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public function __construct( |
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Server $server, |
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FilenameGeneratorInterface $filenameGenerator, |
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$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->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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private function generateImage(MediaInterface $media, array $parameters, $filename) |
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{ |
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$tmp = $this->getTemporaryFile(); |
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if (@file_put_contents($tmp, $this->server->getSource()->read($media->getImage())) === 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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$this->server->getCache()->write($filename, $this->server->getApi()->run($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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* @return string |
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*/ |
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private 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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mediamonks /
symfony-sonata-media-bundle
