public function alerts()
 {
     //A FAIRE
     $user = $this->getUser();
     $challengeManager = new ChallengeManager();
     //affiche la notification de défi
     $user["challenges"] = $challengeManager->getUserChallenges($id_defender);
     $this->show('user/toeteam', ['title' => "toetter | fil d'actualité"]);
     $this->show('user/profile', ['title' => "toetter | ton profil"]);
     $this->show('user/editProfile', ['title' => "toetter | modifie ton profil"]);
 }
 public function profile($id)
 {
     //page profil
     $userManager = new UserManager();
     $user = $userManager->find($id);
     $hobbyManager = new HobbyManager();
     //affiche les "hobbys"
     $user["hobbys"] = $hobbyManager->getUserHobbies($id);
     $challengeManager = new ChallengeManager();
     //affiche les photos des défis dans page profil
     $user["challenges"] = $challengeManager->getUserChallenges($id);
     $this->show('user/profile', ['title' => "toetter | ton profil", 'user' => $user]);
 }