OrderSummary: add use loyalty points checkbox

src/features/order/orderSlice.ts

@@ -52,6 +52,7 @@ interface CartState {
   phone: string;
   paymentMethod: string;
   orderType: string;
+  useLoyaltyPoints: boolean;
 }
 
 // localStorage keys
@@ -72,6 +73,7 @@ export const CART_STORAGE_KEYS = {
   PHONE: 'fascano_phone',
   PAYMENT_METHOD: 'fascano_payment_method',
   ORDER_TYPE: 'fascano_order_type',
+  USE_LOYALTY_POINTS: 'fascano_use_loyalty_points',
 } as const;
 
 // Utility functions for localStorage
@@ -105,6 +107,7 @@ const initialState: CartState = {
   phone: getFromLocalStorage(CART_STORAGE_KEYS.PHONE, ""),
   paymentMethod: getFromLocalStorage(CART_STORAGE_KEYS.PAYMENT_METHOD, ""),
   orderType: getFromLocalStorage(CART_STORAGE_KEYS.ORDER_TYPE, ""),
+  useLoyaltyPoints: getFromLocalStorage(CART_STORAGE_KEYS.USE_LOYALTY_POINTS, false),
 };
 
 const orderSlice = createSlice({
@@ -308,6 +311,14 @@ const orderSlice = createSlice({
         localStorage.setItem(CART_STORAGE_KEYS.ORDER_TYPE, JSON.stringify(state.orderType));
       }
     },
+    updateUseLoyaltyPoints(state, action: PayloadAction<boolean>) {
+      state.useLoyaltyPoints = action.payload;
+      
+      // Sync to localStorage
+      if (typeof window !== 'undefined') {
+        localStorage.setItem(CART_STORAGE_KEYS.USE_LOYALTY_POINTS, JSON.stringify(state.useLoyaltyPoints));
+      }
+    },
   },
 });
 
@@ -333,6 +344,7 @@ export const {
   updatePhone,
   updatePaymentMethod,
   updateOrderType,
+  updateUseLoyaltyPoints,
   reset,
 } = orderSlice.actions;