71 lines
1.7 KiB
PHP
71 lines
1.7 KiB
PHP
<?php
|
|
|
|
namespace App\Http\Middleware;
|
|
|
|
use App\Classes\Cart;
|
|
use App\Exceptions\DisplayException;
|
|
use App\Models\Currency;
|
|
use Closure;
|
|
use Illuminate\Http\Request;
|
|
use Symfony\Component\HttpFoundation\Response;
|
|
|
|
class CheckoutParameterMiddleware
|
|
{
|
|
/**
|
|
* Handle an incoming request.
|
|
*
|
|
* @param \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response) $next
|
|
*/
|
|
public function handle(Request $request, Closure $next): Response
|
|
{
|
|
$this->handleCurrencySwitch($request);
|
|
$this->handleCouponApplication($request);
|
|
|
|
return $next($request);
|
|
}
|
|
|
|
/**
|
|
* Handle currency switching if requested
|
|
*/
|
|
private function handleCurrencySwitch(Request $request): void
|
|
{
|
|
if (!$request->has('currency')) {
|
|
return;
|
|
}
|
|
|
|
$currencyCode = $request->input('currency');
|
|
|
|
// Don't allow currency changes if cart has items or currency doesn't exist
|
|
if ($this->shouldBlockCurrencyChange($currencyCode)) {
|
|
return;
|
|
}
|
|
|
|
session(['currency' => $currencyCode]);
|
|
}
|
|
|
|
/**
|
|
* Handle coupon application if requested
|
|
*/
|
|
private function handleCouponApplication(Request $request): void
|
|
{
|
|
if (!$request->has('coupon')) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
Cart::applyCoupon($request->input('coupon'));
|
|
} catch (DisplayException $e) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine if currency change should be blocked
|
|
*/
|
|
private function shouldBlockCurrencyChange(string $currencyCode): bool
|
|
{
|
|
return Cart::items()->count() > 0 ||
|
|
Currency::where('code', $currencyCode)->doesntExist();
|
|
}
|
|
}
|