FleetCart/Modules/Cart/Http/Middleware/CheckCartItemsStock.php
2023-12-03 14:07:47 +00:00

113 lines
3.0 KiB
PHP

<?php
namespace Modules\Cart\Http\Middleware;
use Closure;
use Exception;
use Modules\Cart\CartItem;
use Illuminate\Http\Request;
use Modules\Cart\Facades\Cart;
use Modules\FlashSale\Entities\FlashSale;
use Modules\Cart\Exceptions\CartItemsStockException;
class CheckCartItemsStock
{
/**
* Handle an incoming request.
*
* @param Request $request
* @param Closure $next
*
* @return mixed
*/
public function handle(Request $request, Closure $next): mixed
{
try {
Cart::items()->each(function (CartItem $cartItem) {
$cartItem->refreshStock();
$this->checkStock($cartItem);
});
} catch (CartItemsStockException $e) {
if (request()->wantsJson()) {
return response()->json(
[
'message' => $e->getMessage(),
],
400
);
}
return redirect()->back()->with('error', $e->getMessage());
} catch (Exception $e) {
if (app()->hasDebugModeEnabled()) {
$message = $e->getMessage();
} else {
$message = trans('core::something_went_wrong');
}
if (request()->ajax()) {
return response()->json(
[
'message' => $message,
],
400
);
}
return redirect()->back()->with('error', $message);
}
return $next($request);
}
public function isInStock($cartItem)
{
return $cartItem->item->isInStock();
}
/**
* @throws CartItemsStockException
*/
private function checkStock(CartItem $cartItem): void
{
if (!$this->isInStock($cartItem)) {
throw new CartItemsStockException(trans('cart::messages.one_or_more_product_is_out_of_stock'));
}
if (!$this->hasFlashSaleStock($cartItem)) {
throw new CartItemsStockException(trans('cart::messages.one_or_more_product_doesn\'t_have_enough_stock'));
}
if (!$this->hasStock($cartItem)) {
throw new CartItemsStockException(trans('cart::messages.one_or_more_product_doesn\'t_have_enough_stock'));
}
}
private function hasFlashSaleStock(CartItem $cartItem): bool
{
if ($cartItem->variant || !FlashSale::contains($cartItem->product)) {
return true;
}
$remainingQty = FlashSale::remainingQty($cartItem->product);
$addedCartQty = Cart::addedQty($cartItem);
return ($remainingQty - $addedCartQty) >= 0;
}
private function hasStock(CartItem $cartItem): bool
{
if (!$cartItem->item->manage_stock) {
return true;
}
$addedCartQty = Cart::addedQty($cartItem);
return ($cartItem->item->qty - $addedCartQty) >= 0;
}
}