/**
* Creates a new exercise paper for a given user.
*
* @param Exercise $exercise
* @param User $user
*
* @return Paper
*/
public function createPaper(Exercise $exercise, User $user = null)
{
// Get the number of the new Paper
$paperNum = 1;
if ($user) {
$lastPaper = $this->om->getRepository('UJMExoBundle:Paper')->findOneBy(['user' => $user, 'exercise' => $exercise], ['start' => 'DESC']);
if ($lastPaper) {
$paperNum = $lastPaper->getNumPaper() + 1;
}
}
// Generate the list of Steps and Questions for the Paper
$order = '';
if (!empty($lastPaper) && $exercise->getKeepSteps()) {
// Get steps order from the last user Paper
$order = $lastPaper->getOrdreQuestion();
} else {
// Generate paper step order
$questions = $this->pickQuestions($exercise);
foreach ($questions as $question) {
$order .= $question->getId() . ';';
}
}
// Create the new Paper entity
$paper = new Paper();
$paper->setExercise($exercise);
$paper->setUser($user);
$paper->setNumPaper($paperNum);
$paper->setOrdreQuestion($order);
$paper->setAnonymous($exercise->getAnonymous());
$this->om->persist($paper);
$this->om->flush();
return $paper;
}
