public function postCreate()
 {
     $exist_user = CartographyUser::where('username', '=', Input::get('username'))->get();
     $exist_email = CartographyUser::where('email', '=', Input::get('email'))->get();
     if (isset($exist_user[0])) {
         return "Usuario " . Input::get('username') . " já existe. " . HTML::link($this->route . '/create', 'Voltar');
     } elseif (isset($exist_email[0])) {
         return "Email " . Input::get('email') . " já existe. " . HTML::link($this->route . '/create', 'Voltar');
     } elseif (Input::get('password_1') == '') {
         return "Você deve digitar uma senha. " . HTML::link($this->route . '/create', 'Voltar');
     } elseif (Input::get('password_1') != Input::get('password_2')) {
         return "As senhas devem corresponder. " . HTML::link($this->route . '/create', 'Voltar');
     } else {
         $cartography_user = new CartographyUser();
         $cartography_user->name = Input::get('name');
         $cartography_user->username = Input::get('username');
         $cartography_user->password = md5(Input::get('password_1'));
         $cartography_user->usertype = Input::get('usertype');
         $cartography_user->email = Input::get('email');
         $cartography_user->save();
         return Redirect::to($this->route)->with(array('msg_success' => 'Cartografia adicionada com sucesso'));
     }
 }