fix shiping

src/app/cart/shipping/page.tsx

@@ -44,6 +44,20 @@ const CartShipping: NextPage = () => {
         }
     }, [selectedShipments])
 
+    // پاک کردن انتخاب‌های نامعتبر وقتی shippingData تغییر می‌کند
+    useEffect(() => {
+        if (shippingData?.results?.shipping) {
+            const validShopIds = new Set(shippingData.results.shipping.map(shop => shop.shopId))
+            const filteredShipments = Object.fromEntries(
+                Object.entries(selectedShipments).filter(([shopId]) => validShopIds.has(shopId))
+            )
+
+            if (Object.keys(filteredShipments).length !== Object.keys(selectedShipments).length) {
+                setSelectedShipments(filteredShipments)
+            }
+        }
+    }, [shippingData, selectedShipments])
+
     // هندلر انتخاب روش ارسال
     const handleShipmentSelect = (shopId: string, shipperId: number) => {
         setSelectedShipments(prev => ({
@@ -69,12 +83,18 @@ const CartShipping: NextPage = () => {
 
         setIsSavingShipment(true)
 
+        // فیلتر کردن selectedShipments تا فقط shop هایی که در shippingData وجود دارند
+        const validShopIds = new Set(shippingData?.results?.shipping?.map(shop => shop.shopId) || [])
+
         // تبدیل selectedShipments به فرمت مورد نیاز API
-        const shipmentsInfo = Object.entries(selectedShipments).map(([shopId, shipperId]) => ({
+        const shipmentsInfo = Object.entries(selectedShipments)
+            .filter(([shopId]) => validShopIds.has(shopId))
+            .map(([shopId, shipperId]) => ({
                 shopId,
                 shipmentId: shipperId
             }))
 
+
         // ذخیره انتخاب‌ها در API
         await new Promise<void>((resolve, reject) => {
             saveShipmentCart({ shipmentsInfo }, {