public function editUser(User $user)
 {
     $db = Database::getInstance('app');
     $result = $db->prepare("UPDATE users SET password = ?, username = ? WHERE id = ?");
     $result->execute([$user->getPass(), $user->getUsername(), $user->getId()]);
     return $result->rowCount() > 0;
 }
 private static function update(User $model)
 {
     $db = Database::getInstance('app');
     $query = "UPDATE users SET username= :username, password= :password, gold= :gold, food= :food, grass= :grass WHERE id = :id";
     $result = $db->prepare($query);
     $result->execute([':id' => $model->getId(), ':username' => $model->getUsername(), ':password' => $model->getPassword(), ':gold' => $model->getGold(), ':food' => $model->getFood(), ':grass' => $model->getGrass()]);
 }