1 files changed, 109 insertions, 16 deletions

diff --git a/src-migrate/modules/cart/components/ItemAction.tsx b/src-migrate/modules/cart/components/ItemAction.tsx
index eea0cbe9..4dcebd9e 100644
--- a/src-migrate/modules/cart/components/ItemAction.tsx
+++ b/src-migrate/modules/cart/components/ItemAction.tsx
@@ -15,7 +15,11 @@ import { useProductCartContext } from '@/contexts/ProductCartContext';
 import {
   removeSelectedItemsFromCookie,
   removeCartItemsFromCookie,
+  quantityUpdateState,
+  getCartDataFromCookie,
+  setCartDataToCookie,
 } from '~/utils/cart';
+
 import { toast } from 'react-hot-toast';
 
 type Props = {
@@ -30,25 +34,24 @@ const CartItemAction = ({ item }: Props) => {
 
   const [quantity, setQuantity] = useState<number>(item.quantity);
 
-  const { loadCart, cart, updateCartItem } = useCartStore(); // TAMBAHKAN cart dan updateCartItem
+  const { loadCart, cart, updateCartItem } = useCartStore();
 
   const limitQty = item.limit_qty?.transaction || 0;
 
-  // PERBAIKI FUNCTION INI
   const handleDelete = async () => {
     if (typeof auth !== 'object') return;
 
     setIsLoadDelete(true);
 
     try {
-      // Step 1: Delete from server
+      // Delete from server
       await deleteUserCart(auth.id, [item.cart_id]);
 
-      // Step 2: Clean up cookies IMMEDIATELY
+      // Clean up cookies immediately
       removeSelectedItemsFromCookie([item.id]);
       removeCartItemsFromCookie([item.cart_id]);
 
-      // Step 3: Update local cart state optimistically
+      // Update local cart state optimistically
       if (cart) {
         const updatedProducts = cart.products.filter(
           (product) => product.id !== item.id
@@ -61,7 +64,7 @@ const CartItemAction = ({ item }: Props) => {
         updateCartItem(updatedCart);
       }
 
-      // Step 4: Reload from server to ensure consistency
+      // Reload from server and refresh context
       await loadCart(auth.id);
       setRefreshCart(true);
 
@@ -77,12 +80,47 @@ const CartItemAction = ({ item }: Props) => {
     }
   };
 
+  const updateQuantityInCookie = (productId, cartId, newQuantity) => {
+    try {
+      const cartData = getCartDataFromCookie();
+      let itemFound = false;
+
+      // Find item by cart_id key or search within objects
+      if (cartData[cartId]) {
+        cartData[cartId].quantity = newQuantity;
+        itemFound = true;
+      } else {
+        // Search by product id or cart_id within objects
+        for (const key in cartData) {
+          const item = cartData[key];
+          if (item.id === productId || item.cart_id === cartId) {
+            item.quantity = newQuantity;
+            itemFound = true;
+            break;
+          }
+        }
+      }
+
+      if (itemFound) {
+        setCartDataToCookie(cartData);
+        return true;
+      }
+
+      return false;
+    } catch (error) {
+      console.error('Error updating quantity in cookie:', error);
+      return false;
+    }
+  };
+
   const decreaseQty = () => {
     setQuantity((quantity) => (quantity -= 1));
   };
+
   const increaseQty = () => {
     setQuantity((quantity) => (quantity += 1));
   };
+
   const debounceQty = useDebounce(quantity, 1000);
 
   useEffect(() => {
@@ -93,18 +131,73 @@ const CartItemAction = ({ item }: Props) => {
   useEffect(() => {
     const updateCart = async () => {
       if (typeof auth !== 'object' || isNaN(debounceQty)) return;
+      if (debounceQty === item.quantity) return;
 
+      quantityUpdateState.startUpdate(item.id);
       setIsLoadQuantity(true);
-      await upsertUserCart({
-        userId: auth.id,
-        type: item.cart_type,
-        id: item.id,
-        qty: debounceQty,
-        selected: item.selected,
-      });
-      await loadCart(auth.id);
-      setIsLoadQuantity(false);
+
+      try {
+        // Update cookie immediately for responsive UI
+        updateQuantityInCookie(item.id, item.cart_id, debounceQty);
+
+        // Update local cart state optimistically
+        if (cart) {
+          const updatedProducts = cart.products.map((product) =>
+            product.id === item.id
+              ? { ...product, quantity: debounceQty }
+              : product
+          );
+          const updatedCart = {
+            ...cart,
+            products: updatedProducts,
+          };
+          updateCartItem(updatedCart);
+        }
+
+        // Send update to server
+        await upsertUserCart({
+          userId: auth.id,
+          type: item.cart_type,
+          id: item.id,
+          qty: debounceQty,
+          selected: item.selected,
+        });
+
+        // Reload from server to ensure consistency
+        await loadCart(auth.id);
+
+        // Re-update cookie if server reload overwrote it
+        const currentCookieData = getCartDataFromCookie();
+        let needsReUpdate = false;
+
+        for (const key in currentCookieData) {
+          const cookieItem = currentCookieData[key];
+          if (
+            (cookieItem.id === item.id ||
+              cookieItem.cart_id === item.cart_id) &&
+            cookieItem.quantity !== debounceQty
+          ) {
+            needsReUpdate = true;
+            break;
+          }
+        }
+
+        if (needsReUpdate) {
+          updateQuantityInCookie(item.id, item.cart_id, debounceQty);
+        }
+      } catch (error) {
+        console.error('Error updating quantity:', error);
+        toast.error('Gagal mengupdate quantity');
+
+        // Revert changes on error
+        updateQuantityInCookie(item.id, item.cart_id, item.quantity);
+        loadCart(auth.id);
+      } finally {
+        setIsLoadQuantity(false);
+        quantityUpdateState.endUpdate(item.id);
+      }
     };
+
     updateCart();
     //eslint-disable-next-line react-hooks/exhaustive-deps
   }, [debounceQty]);
@@ -156,4 +249,4 @@ const CartItemAction = ({ item }: Props) => {
   );
 };
 
-export default CartItemAction;
+export default CartItemAction;
\ No newline at end of file