/**
* Check collision
*
* @return string|null Store-like message
*/
function checkCollisions()
{
$this->completeField("sejour_id");
if (!$this->sejour_id) {
return null;
}
$affectation = new CAffectation();
$affectation->sejour_id = $this->sejour_id;
$affectations = $affectation->loadMatchingList();
unset($affectations[$this->_id]);
foreach ($affectations as $_aff) {
if ($this->collide($_aff)) {
return "Placement déjà effectué";
}
}
return null;
}
