variant

src/app/[name]/(Dialogs)/cart/hook/useCart.ts

@@ -3,6 +3,7 @@ import { useParams } from "next/navigation";
 import { useGetProfile } from "@/app/[name]/(Profile)/profile/hooks/userProfileData";
 import { useReceiptStore } from "@/zustand/receiptStore";
 import {
+  useBulkCart,
   useClearCart,
   useDecrementCart,
   useGetCartItems,
@@ -19,6 +20,7 @@ export const useCart = () => {
     clear,
     increment,
     decrement,
+    setQuantity,
     items,
     slug,
     setSlug,
@@ -32,6 +34,10 @@ export const useCart = () => {
     isPending: isDecrementPending,
   } = useDecrementCart();
   const { mutate: mutateClearCart } = useClearCart();
+  const {
+    mutate: mutateBulkCart,
+    isPending: isBulkPending,
+  } = useBulkCart();
   const { data: cartItems } = useGetCartItems(isSuccess);
 
   const addToCart = (id: string | number) => {
@@ -62,6 +68,24 @@ export const useCart = () => {
     }
   };
 
+  const setCartQuantity = (id: string | number, quantity: number) => {
+    if (isSuccess) {
+      mutateBulkCart(
+        { items: [{ variantId: String(id), quantity }] },
+        {
+          onError: (error) => {
+            toast(extractErrorMessage(error), "error");
+          },
+        }
+      );
+    } else {
+      if (currentSlug && slug !== currentSlug) {
+        setSlug(currentSlug);
+      }
+      setQuantity(id, quantity);
+    }
+  };
+
   const clearCart = useCallback(() => {
     if (isSuccess) {
       mutateClearCart(undefined, {
@@ -92,7 +116,7 @@ export const useCart = () => {
     }
   }, [isSuccess, cartItems?.data?.items, items]);
 
-  const isCartMutating = isIncrementPending || isDecrementPending;
+  const isCartMutating = isIncrementPending || isDecrementPending || isBulkPending;
 
   // برای کاربران لاگین شده، slug از API می‌آید (در cartItems.data.shopId)
   // برای کاربران لاگین نشده، slug از receiptStore می‌آید
@@ -111,6 +135,7 @@ export const useCart = () => {
     clear,
     addToCart,
     removeFromCart,
+    setCartQuantity,
     clearCart,
     isCartMutating,
   };