/**
* create the directory questions to export an exercise and export the qti files
*
* @param UJM\ExoBundle\Services\classes\QTI\qtiRepository $qtiRepos
* @param collection of UJM\ExoBundle\Entity\Interaction $interactions
*/
private function createQuestionsDirectory($qtiRepos, $interactions)
{
mkdir($qtiRepos->getUserDir() . 'questions');
$i = 'a';
foreach ($interactions as $interaction) {
$qtiRepos->export($interaction);
mkdir($qtiRepos->getUserDir() . 'questions/' . 'question_' . $i);
$iterator = new \DirectoryIterator($qtiRepos->getUserDir());
foreach ($iterator as $element) {
if (!$element->isDot() && $element->isFile()) {
rename($qtiRepos->getUserDir() . $element->getFilename(), $qtiRepos->getUserDir() . 'questions/' . 'question_' . $i . '/' . $element->getFilename());
}
}
$i .= 'a';
}
}
