113 lines
3.0 KiB
PHP
113 lines
3.0 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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use Modules\Cart\Exceptions\CartItemsStockException;
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class CheckCartItemsStock
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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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try {
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Cart::items()->each(function (CartItem $cartItem) {
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$cartItem->refreshStock();
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$this->checkStock($cartItem);
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});
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} catch (CartItemsStockException $e) {
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if (request()->wantsJson()) {
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return response()->json(
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[
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'message' => $e->getMessage(),
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],
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400
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);
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}
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return redirect()->back()->with('error', $e->getMessage());
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} catch (Exception $e) {
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if (app()->hasDebugModeEnabled()) {
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$message = $e->getMessage();
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} else {
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$message = trans('core::something_went_wrong');
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}
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if (request()->ajax()) {
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return response()->json(
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[
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'message' => $message,
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],
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400
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);
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}
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return redirect()->back()->with('error', $message);
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}
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return $next($request);
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}
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public function isInStock($cartItem)
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{
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return $cartItem->item->isInStock();
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}
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/**
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* @throws CartItemsStockException
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*/
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private function checkStock(CartItem $cartItem): void
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{
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if (!$this->isInStock($cartItem)) {
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throw new CartItemsStockException(trans('cart::messages.one_or_more_product_is_out_of_stock'));
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}
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if (!$this->hasFlashSaleStock($cartItem)) {
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throw new CartItemsStockException(trans('cart::messages.one_or_more_product_doesn\'t_have_enough_stock'));
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}
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if (!$this->hasStock($cartItem)) {
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throw new CartItemsStockException(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 $cartItem): bool
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{
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if ($cartItem->variant || !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($cartItem);
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return ($remainingQty - $addedCartQty) >= 0;
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}
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private function hasStock(CartItem $cartItem): bool
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{
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if (!$cartItem->item->manage_stock) {
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return true;
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}
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$addedCartQty = Cart::addedQty($cartItem);
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return ($cartItem->item->qty - $addedCartQty) >= 0;
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}
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}
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