¨4.0.1¨

Modules/Cart/Http/Requests/UpdateCartItemRequest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Modules\Cart\Http\Requests;
+
+use Modules\Cart\CartItem;
+use Modules\Cart\Facades\Cart;
+use Modules\Product\Entities\Product;
+use Modules\Core\Http\Requests\Request;
+use Modules\Product\Entities\ProductVariant;
+
+class UpdateCartItemRequest extends Request
+{
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        $item = $this->getCartItem()->item;
+
+        return [
+            'qty' => ['required', 'numeric', $this->maxQty($item)],
+        ];
+    }
+
+
+    /**
+     * Prepare the data for validation.
+     *
+     * @return void
+     */
+    protected function prepareForValidation(): void
+    {
+        $this->merge([
+            'qty' => (int)$this->qty,
+        ]);
+    }
+
+
+    /**
+     * Get the item from the cart
+     *
+     * @return CartItem
+     */
+    private function getCartItem(): CartItem
+    {
+        return Cart::items()->get($this->cartItemId)->refreshStock();
+    }
+
+
+    /**
+     * Get the max qty rule for the given product or variant.
+     *
+     * @param Product|ProductVariant $item
+     *
+     * @return string|null
+     */
+    private function maxQty(Product|ProductVariant $item)
+    {
+        if ($item->manage_stock) {
+            return "max:{$item->qty}";
+        }
+    }
+}