mirror of
https://github.com/koel/koel
synced 2024-12-22 18:43:21 +00:00
113 lines
2.7 KiB
PHP
113 lines
2.7 KiB
PHP
<?php
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namespace App\Models;
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use App\Facades\Download;
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use Exception;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Log;
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use RuntimeException;
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use ZipArchive;
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class SongZipArchive
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{
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/**
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* @var ZipArchive
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*/
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private $archive;
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/**
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* Path to the zip archive.
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*
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* @var string
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*/
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private $path;
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/**
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* Names of the files in the archive
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* Format: [file-name.mp3' => currentFileIndex].
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*
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* @var array
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*/
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private $fileNames = [];
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public function __construct(string $path = '')
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{
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$this->path = $path ? $path : self::generateRandomArchivePath();
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$this->archive = new ZipArchive();
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if ($this->archive->open($this->path, ZipArchive::CREATE) !== true) {
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throw new RuntimeException('Cannot create zip file.');
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}
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}
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/**
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* Add multiple songs into the archive.
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*/
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public function addSongs(Collection $songs): self
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{
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$songs->each([$this, 'addSong']);
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return $this;
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}
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/**
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* Add a single song into the archive.
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*/
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public function addSong(Song $song): self
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{
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try {
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$path = Download::fromSong($song);
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$this->archive->addFile($path, $this->generateZipContentFileNameFromPath($path));
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} catch (Exception $e) {
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Log::error($e);
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}
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return $this;
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}
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/**
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* Finish (close) the archive.
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*/
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public function finish(): self
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{
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$this->archive->close();
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return $this;
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}
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public function getPath(): string
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{
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return $this->path;
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}
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/**
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* We add all files into the zip archive as a flat structure.
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* As a result, there can be duplicate file names.
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* This method makes sure each file name is unique in the zip archive.
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*/
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private function generateZipContentFileNameFromPath(string $path): string
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{
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$name = basename($path);
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if (array_key_exists($name, $this->fileNames)) {
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$this->fileNames[$name]++;
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$parts = explode('.', $name);
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$ext = $parts[count($parts) - 1];
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$parts[count($parts) - 1] = $this->fileNames[$name] . ".$ext";
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$name = implode('.', $parts);
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} else {
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$this->fileNames[$name] = 1;
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}
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return $name;
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}
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private static function generateRandomArchivePath(): string
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{
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// We use system's temp dir instead of storage_path() here, so that the generated files
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// can be cleaned up automatically after server reboot.
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return sprintf('%s%skoel-download-%s.zip', sys_get_temp_dir(), DIRECTORY_SEPARATOR, uniqid());
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}
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}
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