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<?php
namespace Common\Files\Chunks;
use Common\Files\Traits\TransformsFileEntryResponse;
use File;
class GetAlreadyUploadedChunks
{
use HandlesUploadChunks, TransformsFileEntryResponse;
public function execute(string $fingerprint, int $totalChunks, string $originalName, array $params): array
{
$chunkDir = $this->chunkDir($fingerprint);
$response = ['uploadedChunks' => [], 'fileEntry' => null];
if (File::exists($chunkDir)) {
$response['uploadedChunks'] = $this->loadAlreadyUploadedChunks($chunkDir);
if (count($response['uploadedChunks']) === $totalChunks) {
$response['fileEntry'] = app(AssembleFileFromChunks::class)->execute(
$fingerprint, $originalName, $params
);
}
$response = $this->transformFileEntryResponse($response, $params);
}
return $response;
}
private function loadAlreadyUploadedChunks(string $chunksDir): array
{
$chunkFilePaths = File::files($chunksDir);
$chunks = array_map(function($path) {
$size = filesize($path);
$number = basename($path);
// exclude corrupted chunks and fully assembled file
if ($number === self::$finalFileName || $size <= 0) {
return null;
}
return ['number' => (int) $number, 'size' => $size];
}, $chunkFilePaths);
$chunks = array_filter($chunks);
asort($chunks, SORT_REGULAR);
return array_values($chunks);
}
}