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<?php |
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/* |
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* This file is part of the vseth-semesterly-reports project. |
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* |
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* (c) Florian Moser <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace App\Service; |
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use App\Service\Interfaces\CsvServiceInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpFoundation\StreamedResponse; |
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class CsvService implements CsvServiceInterface |
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{ |
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const DELIMITER = ','; |
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/** |
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* creates a response containing the data rendered as a csv. |
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* |
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* @param string $filename |
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* @param string[] $header |
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* @param string[][] $data |
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* |
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* @return Response |
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*/ |
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public function streamCsv($filename, $data, $header = null) |
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{ |
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$response = new StreamedResponse(); |
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$response->setCallback(function () use ($header, $data) { |
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$handle = fopen('php://output', 'w+'); |
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if ($handle === false) { |
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throw new \Exception('could not write to output'); |
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} |
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$this->writeContent($handle, $data, $header); |
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fclose($handle); |
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}); |
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$response->setStatusCode(200); |
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$response->headers->set('Content-Type', 'text/csv; charset=utf-8'); |
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$response->headers->set('Content-Disposition', 'attachment; filename="' . $filename . '"'); |
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return $response; |
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} |
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/** |
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* @param $handle |
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* @param string[][] $data |
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* @param string[]|null $header |
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*/ |
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private function writeContent($handle, $data, $header) |
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{ |
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//UTF-8 BOM |
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fwrite($handle, "\xEF\xBB\xBF"); |
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//set delimiter to specified |
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fwrite($handle, 'sep=' . static::DELIMITER . "\n"); |
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if (\is_array($header)) { |
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// Add the header of the CSV file |
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fputcsv($handle, $header, static::DELIMITER); |
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} |
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//add the data |
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foreach ($data as $row) { |
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fputcsv( |
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$handle, // The file pointer |
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$row, // The fields |
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static::DELIMITER // The delimiter |
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); |
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} |
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} |
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/** |
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* writes the content to the file specified. |
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* |
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* @param string $savePath |
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* @param string[] $header |
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* @param string[][] $data |
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* |
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* @throws \Exception |
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*/ |
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public function writeCsv($savePath, $data, $header = null) |
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{ |
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$handle = fopen($savePath, 'w+'); |
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if ($handle === false) { |
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throw new \Exception('could not write to output'); |
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} |
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$this->writeContent($handle, $data, $header); |
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fclose($handle); |
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} |
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} |
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famoser /
vseth-semesterly-reports
