131 lines
3.6 KiB
PHP
131 lines
3.6 KiB
PHP
<?php
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namespace Modules\Cart\Http\Middleware;
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use Closure;
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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\Product\Entities\Product;
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use Modules\FlashSale\Entities\FlashSale;
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use Modules\Product\Entities\ProductVariant;
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class CheckItemStock
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{
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private CartItem|null $cartItem;
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private Product $product;
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private ProductVariant|null $variant;
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private Product|ProductVariant $item;
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public function __construct()
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{
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if (request()->routeIs('cart.items.update')) {
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$this->cartItem = Cart::items()->get(request('cartItemId'));
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$this->product = $this->cartItem->product;
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$this->variant = $this->cartItem->variant;
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}
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if (request()->routeIs('cart.items.store')) {
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$this->product = request('product_id') ? $this->getProduct(request('product_id')) : null;
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$this->variant = request('variant_id') ? $this->getVariant(request('variant_id')) : null;
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}
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$this->item = $this->variant ?? $this->product;
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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 Request $request
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* @param Closure $next
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*
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* @return mixed
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*/
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public function handle(Request $request, Closure $next): mixed
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{
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if ($this->item->isOutOfStock()) {
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abort(400, trans('cart::messages.out_of_stock'));
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}
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if (!$this->hasFlashSaleStock()) {
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abort(400, trans('cart::messages.not_have_enough_quantity_in_stock', [
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'stock' => FlashSale::remainingQty($this->product),
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]));
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}
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if (!$this->hasStock()) {
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abort(400, trans('cart::messages.not_have_enough_quantity_in_stock', [
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'stock' => $this->item->qty,
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]));
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}
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return $next($request);
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}
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private function getProduct($id)
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{
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return Product::withName()
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->addSelect('id', 'in_stock', 'manage_stock', 'qty')
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->where('id', $id)
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->firstOrFail();
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}
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private function getVariant($id)
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{
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return ProductVariant::addSelect('id', 'in_stock', 'manage_stock', 'qty')
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->where('id', $id)
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->firstOrFail();
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}
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private function hasFlashSaleStock(): bool
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{
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if (!FlashSale::contains($this->product)) {
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return true;
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}
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$remainingQty = FlashSale::remainingQty($this->product);
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$cartItem = Cart::items()->get(request('cartItemId'));
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if ($cartItem) {
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$addedCartQty = Cart::addedQty($cartItem);
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// Exclude current cart item quantity from the total added cart quantity
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// So, that current quantity is not added with the updated quantity.
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$addedCartQty -= $cartItem->qty;
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return ($remainingQty - $addedCartQty) >= request('qty');
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}
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return $remainingQty >= request('qty');
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}
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private function hasStock(): bool
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{
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if (!$this->item->manage_stock) {
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return true;
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}
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$cartItem = Cart::items()->get(request('cartItemId'));
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if ($cartItem) {
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$addedCartQty = Cart::addedQty($cartItem);
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// Exclude current cart item quantity from the total added cart quantity
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// So, that current quantity is not added with the updated quantity.
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$addedCartQty -= $cartItem->qty;
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return ($cartItem->item->qty - $addedCartQty) >= request('qty');
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}
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return $this->item->qty >= request('qty');
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}
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}
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