public function invoke($filter)
{
$AllHospitals = new HospitalView();
if ($filter == "") {
if (isset($_SESSION['role']) && $_SESSION['role'] == "Administrator") {
$AllHospitals->showHospitals();
} else {
$AllHospitals->showHospitalsONLY();
}
} else {
if (isset($_SESSION['role']) && $_SESSION['role'] == "Administrator") {
$AllHospitals->showHospitalsfiltered($filter);
} else {
$AllHospitals->showHospitalsfilteredONLY($filter);
}
}
}