/**
* Extract the zip archive to be imported
*
* @throws \RuntimeException When archive cannot be opened or extracted
* or does not contain exactly one csv file
*/
protected function extractZipArchive()
{
$archive = new \ZipArchive();
$status = $archive->open($this->filePath);
if (true !== $status) {
throw new \RuntimeException(sprintf('Error "%d" occurred while opening the zip archive.', $status));
} else {
$targetDir = sprintf('%s/%s_%d_%s', pathinfo($this->filePath, PATHINFO_DIRNAME), pathinfo($this->filePath, PATHINFO_FILENAME), $this->stepExecution->getId(), md5(microtime() . $this->stepExecution->getId()));
if ($archive->extractTo($targetDir) !== true) {
throw new \RuntimeException('Error occurred while extracting the zip archive.');
}
$archive->close();
$this->extractedPath = $targetDir;
$csvFiles = glob($targetDir . '/*.[cC][sS][vV]');
$csvCount = count($csvFiles);
if (1 !== $csvCount) {
throw new \RuntimeException(sprintf('Expecting the root directory of the archive to contain exactly 1 csv file, found %d', $csvCount));
}
$this->filePath = current($csvFiles);
}
}
