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<?php |
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namespace Spatie\MediaLibrary; |
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use ZipStream\ZipStream; |
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use Illuminate\Support\Collection; |
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use Spatie\MediaLibrary\Models\Media; |
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use Illuminate\Contracts\Support\Responsable; |
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use Symfony\Component\HttpFoundation\StreamedResponse; |
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class MediaStream implements Responsable |
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{ |
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/** string */ |
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protected $zipName; |
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/** Illuminate\Support\Collection */ |
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protected $mediaItems; |
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public static function create(string $zipName) |
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{ |
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return new static($zipName); |
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} |
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public function __construct(string $zipName) |
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{ |
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$this->zipName = $zipName; |
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$this->mediaItems = collect(); |
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} |
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public function addMedia(...$mediaItems) |
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{ |
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collect($mediaItems) |
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->flatMap(function ($item) { |
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if ($item instanceof Media) { |
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return [$item]; |
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} |
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if ($item instanceof Collection) { |
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return $item->reduce(function (array $carry, Media $media) { |
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$carry[] = $media; |
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return $carry; |
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}, []); |
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} |
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return $item; |
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}) |
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->each(function (Media $media) { |
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$this->mediaItems->push($media); |
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}); |
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return $this; |
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} |
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public function getMediaItems(): Collection |
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{ |
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return $this->mediaItems; |
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} |
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public function toResponse($request) |
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{ |
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$headers = [ |
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'Content-Disposition' => "attachment; filename=\"{$this->zipName}\"", |
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'Content-Type' => 'application/octet-stream', |
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]; |
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return new StreamedResponse(function () { |
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return $this->getZipStream(); |
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}, 200, $headers); |
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} |
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public function getZipStream(): ZipStream |
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{ |
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$zip = new ZipStream($this->zipName); |
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$this->getZipStreamContents()->each(function (array $mediaInZip) use ($zip) { |
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$stream = $mediaInZip['media']->stream(); |
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$zip->addFileFromStream($mediaInZip['fileNameInZip'], $stream); |
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if (is_resource($stream)) { |
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fclose($stream); |
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} |
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}); |
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$zip->finish(); |
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return $zip; |
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} |
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protected function getZipStreamContents(): Collection |
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{ |
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return $this->mediaItems->map(function (Media $media, $mediaItemIndex) { |
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return [ |
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'fileNameInZip' => $this->getFileNameWithSuffix($this->mediaItems, $mediaItemIndex), |
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'media' => $media, |
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]; |
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}); |
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} |
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protected function getFileNameWithSuffix(Collection $mediaItems, int $currentIndex): string |
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{ |
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$fileNameCount = 0; |
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$fileName = $mediaItems[$currentIndex]->file_name; |
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foreach ($mediaItems as $index => $media) { |
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if ($index >= $currentIndex) { |
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break; |
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} |
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if ($media->file_name === $fileName) { |
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$fileNameCount++; |
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} |
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} |
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if ($fileNameCount === 0) { |
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return $fileName; |
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} |
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$extension = pathinfo($fileName, PATHINFO_EXTENSION); |
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$fileNameWithoutExtension = pathinfo($fileName, PATHINFO_FILENAME); |
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return "{$fileNameWithoutExtension} ({$fileNameCount}).{$extension}"; |
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} |
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} |
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spatie /
laravel-medialibrary
