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<?php declare(strict_types=1); |
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namespace App\Domain; |
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use App\Filesystem\FilesystemCleaner; |
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use App\UI\Skippable; |
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use Symfony\Component\Filesystem\Filesystem; |
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abstract class Downloader extends ContentsProcessor implements RootPathPartAware |
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{ |
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use Skippable; |
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/** @var \App\Domain\PathPart */ |
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private $rootPathPart; |
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/** |
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* @return Downloads |
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*/ |
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abstract protected function createDownloadsCollection(): Downloads; |
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/** |
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* @param \App\Domain\Downloads $downloads |
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* |
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* @return \App\Domain\Downloads |
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*/ |
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abstract protected function filterAlreadyDownloaded(Downloads $downloads): Downloads; |
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/** |
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* @param \App\Domain\Content $content |
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* |
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* @return \App\Domain\Downloads |
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*/ |
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abstract protected function extractDownloads(Content $content): Downloads; |
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/** |
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* @param \App\Domain\Downloads $downloads |
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* @param \App\Domain\Path $downloadPath |
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* |
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* @throws \RuntimeException |
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*/ |
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abstract protected function download(Downloads $downloads, Path $downloadPath): void; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setRootPathPart(PathPart $rootPathPart): void |
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{ |
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$this->rootPathPart = $rootPathPart; |
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} |
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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* @throws \Symfony\Component\Filesystem\Exception\IOException |
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*/ |
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public function processContents(Contents $contents): void |
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{ |
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if ($contents->isEmpty()) { |
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return; |
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} |
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$downloaderPathPart = new PathPart($this->config['path_part'] ?? []); |
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$downloadPath = new Path([$this->rootPathPart, $downloaderPathPart]); |
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// Try to create the downloads directory... 'cause if it fails, nothing will work. |
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(new Filesystem())->mkdir((string) $downloadPath); |
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if ($this->shouldCleanFilesystem()) { |
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(new FilesystemCleaner($this->ui))($downloadPath); |
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} |
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// Add the downloader path part and get a collection of downloads |
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$downloads = $this->createDownloadsCollection(); |
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foreach ($contents as $content) { |
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$content->getPath()->add($downloaderPathPart); |
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foreach ($this->extractDownloads($content) as $download) { |
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$downloads->add($download); |
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} |
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} |
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$downloads = $this->filterAlreadyDownloaded($downloads); |
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if ($this->shouldDownload($downloads, $downloadPath)) { |
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$this->download($downloads, $downloadPath); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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protected function shouldCleanFilesystem(): bool |
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{ |
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return $this->config['clean_filesystem'] ?? true; |
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} |
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/** |
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* @param \App\Domain\Downloads $downloads |
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* @param \App\Domain\Path $downloadPath |
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* |
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* @return bool |
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*/ |
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private function shouldDownload(Downloads $downloads, Path $downloadPath): bool |
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{ |
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$this->ui->writeln(sprintf('Downloading files with <info>%s</info>... '.PHP_EOL, static::class)); |
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return $this->shouldProcess( |
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$this->ui, |
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$downloads, |
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sprintf( |
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'%sThe script is about to download <question> %s </question> files into <info>%s</info>. '.PHP_EOL, |
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$this->ui->indent(), |
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$downloads->count(), |
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(string) $downloadPath |
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), |
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'download' |
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); |
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} |
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} |
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gnutix /
videos-downloader
