public function validate($data)
{
$response = ['grand_total' => 0, 'shipping_fee' => 0, 'promo_code' => null];
$total = 0;
foreach ($_SESSION['cart'] as $k => $v) {
$total = $total + $v['linetotal'];
}
$s = new ShippingCountry();
switch ($data['shipping_country']) {
case ShippingCountry::MALAYSIA:
$fee = $s->calcMAL($_SESSION['cart'], $total);
break;
case ShippingCountry::SINGAPORE:
$fee = $s->calcSIN($total);
break;
case ShippingCountry::BRUNEI:
$fee = $s->calcBRU($total);
break;
}
$promo_code = isset($data['promo_code']) ? $data['promo_code'] : false;
if ($promo_code) {
$p = new Promo();
if ($promo_code == Promo::PROMO_1) {
$total = $p->promo1($_SESSION['cart']);
} elseif ($promo_code == Promo::PROMO_2) {
$total = $p->promo2($_SESSION['cart']);
} else {
$response['error'] = true;
$response['message'] = 'Invalid Promo Code';
return $response;
}
}
$response['grand_total'] = $total + $fee;
$response['shipping_fee'] = $fee;
$response['shipping_country'] = $data['shipping_country'];
$response['promo_code'] = $promo_code;
$_SESSION['checkout'] = $response;
return $response;
}