74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
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namespace Modules\Cart\Http\Middleware;
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use Closure;
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use Exception;
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use Modules\Cart\CartItem;
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use Illuminate\Http\Request;
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use Modules\Cart\Facades\Cart;
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use Modules\FlashSale\Entities\FlashSale;
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class CheckCartStock
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{
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/**
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* Handle an incoming request.
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*
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* @param \Illuminate\Http\Request $request
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* @param \Closure $next
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* @return mixed
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*/
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public function handle(Request $request, Closure $next)
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{
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try {
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Cart::items()->each(function (CartItem $cartItem) {
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$cartItem->refreshStock();
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$this->checkQuantity($cartItem);
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});
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} catch (Exception $e) {
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return redirect()->route('cart.index')->with('error', $e->getMessage());
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}
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return $next($request);
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}
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private function checkQuantity(CartItem $cartItem)
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{
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if ($cartItem->product->isOutOfStock()) {
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throw new Exception(trans('cart::messages.one_or_more_product_is_out_of_stock'));
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}
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if (! $this->hasFlashSaleStock($cartItem)) {
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throw new Exception(trans('cart::messages.one_or_more_product_doesn\'t_have_enough_stock'));
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}
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if (! $this->hasStock($cartItem)) {
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throw new Exception(trans('cart::messages.one_or_more_product_doesn\'t_have_enough_stock'));
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}
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}
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private function hasFlashSaleStock(CartItem $cartItem)
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{
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if (! FlashSale::contains($cartItem->product)) {
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return true;
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}
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$remainingQty = FlashSale::remainingQty($cartItem->product);
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$addedCartQty = Cart::addedQty($cartItem->product->id);
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return ($remainingQty - $addedCartQty) >= 0;
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}
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private function hasStock(CartItem $cartItem)
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{
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if (! $cartItem->product->manage_stock) {
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return true;
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}
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$addedCartQty = Cart::addedQty($cartItem->product->id);
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return ($cartItem->product->qty - $addedCartQty) >= 0;
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}
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}
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