protected function body()
{
// Validate input.
$inputs = array('group' => 'isIndex', 'problem' => 'isIndex', 'deadline' => 'isDate', 'reward' => 'isNonNegativeInt');
if (!$this->isInputValid($inputs)) {
return false;
}
// Load input
$id = $this->getParams('id');
$group = $this->getParams('group');
$problem = $this->getParams('problem');
$deadline = $this->getParams('deadline');
$reward = $this->getParams('reward');
// Adjust input
$deadline = $deadline . ' 23:59:59';
// Load from database
/**
* @var $groupEntity \Group
* @var $assignmentEntity \Assignment
* @var $problemEntity \Problem
*/
$groupEntity = Repositories::getEntityManager()->find('Group', $group);
$problemEntity = Repositories::getEntityManager()->find('Problem', $problem);
if ($groupEntity === null || $problemEntity === null) {
return $this->stop('Group or problem does not exist.', 'Assignment cannot be edited.');
}
// Authenticate
$user = User::instance();
if (!$user->hasPrivileges(User::groupsManageAll) && (!$user->hasPrivileges(User::groupsManageOwn) || $groupEntity->getOwner()->getId() !== $user->getId())) {
return $this->stop(Language::get(StringID::InsufficientPrivileges));
}
// Already exists?
if ($id !== null && $id !== '') {
$assignmentEntity = Repositories::getEntityManager()->find('Assignment', $id);
$assignmentEntity->setDeadline(\DateTime::createFromFormat("Y-m-d H:i:s", $deadline));
$assignmentEntity->setReward($reward);
Repositories::getEntityManager()->persist($assignmentEntity);
Repositories::getEntityManager()->flush($assignmentEntity);
} else {
// Verify integrity
if ($problemEntity->getLecture()->getId() !== $groupEntity->getLecture()->getId()) {
return $this->stop('You are adding an assignment for problem belonging to lecture X to a group that belongs to lecture Y. This is not possible.');
}
// Create new
$assignmentEntity = new \Assignment();
$assignmentEntity->setGroup($groupEntity);
$assignmentEntity->setProblem($problemEntity);
$assignmentEntity->setDeadline(\DateTime::createFromFormat("Y-m-d H:i:s", $deadline));
$assignmentEntity->setReward($reward);
Repositories::getEntityManager()->persist($assignmentEntity);
Repositories::getEntityManager()->flush($assignmentEntity);
// Send e-mail
/**
* @var $subscription \Subscription
*/
$query = Repositories::getEntityManager()->createQuery('SELECT s, u FROM Subscription s JOIN s.user u WHERE s.group = :group');
$query->setParameter('group', $groupEntity);
$subscriptions = $query->getResult();
foreach ($subscriptions as $subscription) {
if (!$subscription->getUser()->getSendEmailOnNewAssignment()) {
continue;
}
$to = $subscription->getUser()->getEmail();
$email = file_get_contents(Config::get("paths", "newAssignmentEmail"));
$email = str_replace("%{Problem}", $problemEntity->getName(), $email);
$email = str_replace("%{Deadline}", $deadline, $email);
$email = str_replace("%{Group}", $groupEntity->getName(), $email);
$email = str_replace("%{Link}", Config::getHttpRoot() . "#studentAssignments#" . $assignmentEntity->getId(), $email);
$email = str_replace("%{Date}", date("Y-m-d H:i:s"), $email);
$lines = explode("\n", $email);
$subject = $lines[0];
// The first line is subject.
$text = preg_replace('/^.*\\n/', '', $email);
// Everything except the first line.
if (!Core::sendEmail($to, trim($subject), $text)) {
Core::logError(Error::create(Error::levelWarning, "E-mail could not be sent to {$to}."));
}
}
}
return true;
}
