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<?php |
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namespace EasyHttp\Model; |
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/** |
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* Class DownloadResult |
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* |
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* @link https://github.com/shahradelahi/easy-http |
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* @author Shahrad Elahi (https://github.com/shahradelahi) |
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* @license https://github.com/shahradelahi/easy-http/blob/master/LICENSE (MIT License) |
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*/ |
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class DownloadResult |
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{ |
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/** |
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* The unique identifier of the download |
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* |
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* @var string |
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*/ |
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public string $id; |
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/** |
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* The final size of the downloaded file |
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* |
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* @var int |
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*/ |
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public int $fileSize; |
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/** |
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* The path of the downloaded chunks |
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* |
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* @var string |
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*/ |
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public string $chunksPath; |
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/** |
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* The size of each chunk |
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* |
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* @var int |
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*/ |
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public int $chunkSize; |
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/** |
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* The count of chunks |
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* |
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* @var int |
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*/ |
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public int $chunks; |
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/** |
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* Start time of the download in microseconds |
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* |
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* @var float |
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*/ |
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public float $startTime; |
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/** |
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* End time of the download in microseconds |
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* |
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* @var float |
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*/ |
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public float $endTime; |
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/** |
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* The downloaded chunks |
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* |
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* @var array [{id, size, location, elapsedTime}, ...] |
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*/ |
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public array $downloads; |
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/** |
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* Add a chunk to the download result |
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* |
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* @param string $id The unique identifier of the chunk |
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* @param ?string $body The chunk body |
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* @param float $elapsedTime in microseconds |
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* @return void |
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*/ |
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public function addChunk(string $id, ?string $body, float $elapsedTime): void |
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{ |
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$save = $this->saveChunk($id, $body); |
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$this->downloads[] = [ |
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'id' => $id, |
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'location' => $save ?? null, |
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'size' => strlen($body), |
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'elapsed_time' => $elapsedTime, |
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'status' => $save ? 'saved' : 'failed', |
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]; |
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} |
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/** |
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* Save the chunks to the temp directory |
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* |
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* @param string $id The unique identifier of the chunk |
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* @param string $body The body of the chunk |
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* @return string|bool |
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*/ |
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private function saveChunk(string $id, string $body): string|bool |
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{ |
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$path = $this->chunksPath . DIRECTORY_SEPARATOR . $id; |
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return file_put_contents($path, $body) ? $path : false; |
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} |
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/** |
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* Merge the chunks into a single string |
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* |
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* @return string |
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*/ |
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public function mergeChunks(): string |
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{ |
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$result = ''; |
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foreach ($this->downloads as $chunk) { |
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$result .= file_get_contents($chunk['location']); |
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} |
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return $result; |
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} |
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/** |
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* Save the merged chunks to a file |
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* |
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* @param string $filePath The path/to/file.ext |
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* @return bool |
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*/ |
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public function save(string $filePath): bool |
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{ |
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if (!file_exists(pathinfo($filePath, PATHINFO_DIRNAME))) { |
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throw new \InvalidArgumentException('The directory does not exist'); |
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} |
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$result = $this->mergeChunks(); |
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$this->cleanChunks(); |
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return file_put_contents($filePath, $result) !== false; |
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} |
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/** |
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* Clean the directory of the chunks |
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* |
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* @return void |
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*/ |
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public function cleanChunks(): void |
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{ |
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foreach (glob($this->chunksPath . DIRECTORY_SEPARATOR . '*') as $file) { |
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unlink($file); |
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} |
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rmdir($this->chunksPath); |
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} |
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} |
shahradelahi /
easy-http
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