/**
  * The user must be registered (and the dates must be good or the user must to be admin for the exercise)
  *
  * @access public
  *
  * @param boolean $exoAdmin
  * @param \UJM\ExoBundle\Entity\Exercise $exercise
  *
  * @return boolean
  */
 public function controlDate($exoAdmin, $exercise)
 {
     if ($exercise->getStartDate()->format('Y-m-d H:i:s') <= date('Y-m-d H:i:s') && ($exercise->getUseDateEnd() == 0 || $exercise->getEndDate()->format('Y-m-d H:i:s') >= date('Y-m-d H:i:s')) || $exoAdmin === true) {
         return true;
     } else {
         return false;
     }
 }