function searchAdmin(Administrador $a)
 {
     require_once '../conexion.php';
     require_once '../model.business/Administrador.php';
     require_once '../model.business/Persona.php';
     try {
         $conexion = new conexion();
         $administrador = new Administrador();
         $sql = "SELECT a.nombre, a.apellido FROM administrador a " . "INNER JOIN login l ON a.username = l.username " . "WHERE l.username = '******' AND l.contraseña = '" . $a->getPassword() . "';";
         $conn = $conexion->conn();
         $query = $conn->query($sql);
         $rows = $query->fetchAll();
         foreach ($rows as $row) {
             $administrador->setUsername($a->getUsername());
             $administrador->setPassword($a->getPassword());
             $administrador->setRol(0);
             $administrador->setNombre($row["nombre"]);
             $administrador->setApellido($row["apellido"]);
         }
         return $administrador;
     } catch (Exception $ex) {
         $ex->getTraceAsString();
     }
 }
 function insertLoginAdmin(Administrador $a)
 {
     require_once '../conexion.php';
     require_once '../model.business/Cliente.php';
     try {
         $username = $a->getUsername();
         $password = $a->getPassword();
         $conexion = new conexion();
         $conn = $conexion->conn();
         $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
         $sql = $conn->prepare("INSERT INTO login VALUES(:username,:password, 1);");
         $sql->bindParam(':username', $username);
         $sql->bindParam(':password', $password);
         return $sql->execute();
     } catch (PDOException $exc) {
         return $exc->getCode();
     } finally {
     }
 }