54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
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<?php
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namespace Szurubooru\Services\ThumbnailGenerators;
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class SmartThumbnailGenerator implements IThumbnailGenerator
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{
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private $flashThumbnailGenerator;
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private $videoThumbnailGenerator;
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private $imageThumbnailGenerator;
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public function __construct(
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FlashThumbnailGenerator $flashThumbnailGenerator,
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VideoThumbnailGenerator $videoThumbnailGenerator,
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ImageThumbnailGenerator $imageThumbnailGenerator)
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{
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$this->flashThumbnailGenerator = $flashThumbnailGenerator;
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$this->videoThumbnailGenerator = $videoThumbnailGenerator;
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$this->imageThumbnailGenerator = $imageThumbnailGenerator;
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}
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public function generate($srcPath, $dstPath, $width, $height)
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{
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if (!file_exists($srcPath))
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throw new \InvalidArgumentException($srcPath . ' does not exist');
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$mime = mime_content_type($srcPath);
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if ($this->isFlash($mime))
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return $this->flashThumbnailGenerator->generate($srcPath, $dstPath, $width, $height);
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if ($this->isVideo($mime))
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return $this->videoThumbnailGenerator->generate($srcPath, $dstPath, $width, $height);
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if ($this->isImage($mime))
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return $this->imageThumbnailGenerator->generate($srcPath, $dstPath, $width, $height);
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throw new \InvalidArgumentException('Invalid thumbnail file type: ' . $mime);
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}
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private function isFlash($mime)
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{
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return $mime === 'application/x-shockwave-flash';
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}
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private function isVideo($mime)
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{
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return $mime === 'application/ogg' or preg_match('/video\//', $mime);
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}
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private function isImage($mime)
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{
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return in_array($mime, ['image/jpeg', 'image/png', 'image/gif']);
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}
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}
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