global state for cart working, need to fix cache

frontend/package.json

@@ -28,6 +28,7 @@
     "react-icons": "^5.3.0",
     "react-redux": "^9.1.2",
     "redux": "^5.0.1",
+    "redux-persist": "^6.0.0",
     "resend": "^3.5.0",
     "sass": "^1.80.5",
     "sharp": "^0.33.5",

frontend/src/app/redux/CartReducer.ts

@@ -1,4 +1,4 @@
-import { createSlice } from "@reduxjs/toolkit";
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
 
 export interface Product {
     id: number;
@@ -18,7 +18,7 @@ export const cartSlice = createSlice({
     name: "cart",
     initialState,
     reducers: {
-        addToCart: (state: any, action: any) => {
+        addToCart: (state: any, action: PayloadAction<Product>) => {
             const item = state.products.find((p:Product) => p.id === action.payload.id);
             if(item) {
                 item.quantity += action.payload.quantity;
@@ -31,10 +31,12 @@ export const cartSlice = createSlice({
         },
         resetCart: (state) => {
             state.products = [];
-        }
+        },
     },
 });
 
 export const { addToCart, removeFromCart, resetCart } = cartSlice.actions;
 
-export default cartSlice.reducer;
+export default cartSlice.reducer;   
+
+export const dynamic = 'force-dynamic'

frontend/src/components/CartTab/CartTab.css

@@ -1,6 +1,5 @@
 .cart{
     z-index: 999;
-    background-color: white;
     -webkit-box-shadow: 0px 0px 7px -5px rgba(0,0,0,0.5);
     box-shadow: 0px 0px 7px -5px rgba(0,0,0,0.5);
 

frontend/src/components/CartTab/CartTab.tsx

@@ -4,18 +4,27 @@ import Image from "next/image";
 import { MdDeleteOutline } from "react-icons/md";
 import { Button } from "@/components/ui/button";
 import "./CartTab.css";
-import { useSelector } from "react-redux";
+import { useSelector, useDispatch } from "react-redux";
 import type { RootState } from "@/lib/Store";
-
+import { removeFromCart } from "@/app/redux/CartReducer";
 
 import type { Product } from "@/app/redux/CartReducer";
 
 const CartTab = () => {
   const cartItems = true;
+  const dispatch = useDispatch();
 
   // get the products from the cart
   const products = useSelector((state: RootState) => state.cart.products);
 
+  const totalPrice = () => {
+    let total = 0;
+    products?.forEach((item: Product) => {
+      total += item.price * item.quantity;
+    });
+    return total.toFixed(2);
+  };
+
   // const data = [
   //   {
   //     id: 1,
@@ -39,30 +48,32 @@ const CartTab = () => {
   //   },
   // ];
   return (
-    <div className="cart absolute p-5 text-slate-600 top-28 right-0">
+    <div className="cart absolute p-5 text-slate-600 top-28 right-0 bg-slate-200">
       {products?.map((item: Product) => (
-        <div className="item flex gap-5 items-center mb-[30px] " key={item.id}>
+        <div>
-          <div className="relative w-[80px] h-[100px]">
+          <div className="item flex gap-5 items-center mb-[30px] " key={item.id}>
-            <Image
+            <div className="relative w-[80px] h-[100px]">
-              src={item.image}
+              <Image
-              fill
+                src={`${process.env.NEXT_PUBLIC_UPLOAD_URL + item.image}`}
-              style={{ objectFit: "cover" }}
+                fill
-              className=""
+                style={{ objectFit: "cover" }}
-              alt="item picture"
+                className=""
-            />
+                alt="item picture"
+              />
+            </div>
+            <div className="details">
+              <h1>{item.title}</h1>
+              {/* <p className="text-sm">{item.desc?.substring(0, 100)}</p> */}
+              <div className="price">{item.quantity} x ${item.price}</div>
+            </div>
+            <MdDeleteOutline className="delete-icon mt-16" onClick={() => dispatch(removeFromCart(item.id))} />
           </div>
-          <div className="details">
+          <div className="total">
-            <h1>{item.title}</h1>
+            <span>SUBTOTAL</span>
-            <p className="text-sm">{item.desc?.substring(0, 100)}</p>
+            <span>${totalPrice()}</span>
-            <div className="price">{item.quantity} x ${item.price}</div>
           </div>
-          <MdDeleteOutline className="delete-icon mt-16" />
         </div>
       ))}
-      <div className="total">
-        <span>SUBTOTAL</span>
-        <span>$123</span>
-      </div>
       <Button className="bg-[#F45B1E] text-white checkout rounded-none w-full">PROCEED TO CHECKOUT</Button>
       {/* <span className="reset">Reset Cart</span> */}
     </div>

frontend/src/components/Navbar/Navbar.tsx

@@ -5,6 +5,10 @@ import { useMediaQuery } from "@/util/useMediaQuery";
 import { FiShoppingCart } from "react-icons/fi";
 import Image from "next/image";
 import CartTab from "@/components/CartTab/CartTab";
+import { useSelector } from "react-redux";
+import type { RootState } from "@/lib/Store";
+import Products from "@/app/products/page";
+import type { Product } from "@/app/redux/CartReducer";
 
 const navMotion = {
   visible: {
@@ -30,8 +34,11 @@ export default function Nav() {
   const matches = useMediaQuery("(min-width: 1280px)");
   // console.log(matches);
 
+   // get the products from the cart
+   const products = useSelector((state: RootState) => state.cart.products);
+
   return (
-    <nav className="relative mx-8 mb-10 flex justify-between items-center pt-12  font-medium md:mx-16 lg:mx-32 text-white">
+    <nav className="relative mx-8 mb-10 flex justify-between items-center pt-12 font-medium md:mx-16 lg:mx-32 text-white">
       {/* <svg
         className="absolute bottom-0 left-1/2 -translate-x-1/2"
         width="250"
@@ -78,8 +85,14 @@ export default function Nav() {
           <a href="/about">About</a>
           <div className="flex relative items-center justify-center" onClick={() => setOpen(!open)}>
             <FiShoppingCart className="text-lg lg:text-xl" />
-            <span className="absolute text-white text-xs w-5 h-5 rounded-[50%] bg-orange-600 -top-2.5 -right-2.5 flex items-center justify-center">
+            <span className="absolute text-white text-xs w-5 h-5 rounded-[50%] bg-orange-600 -top-2.5 -right-2.5 flex items-center justify-center ">
-              0
+              {products?.map((item: Product) => {
+                if (item.quantity > 0 && item.quantity !== undefined) {
+                  return <div key={item.id}>{item.quantity}</div>;
+                } else {
+                  return <div>0</div>;
+                }
+              })}
             </span>
           </div>
         </div>

frontend/src/lib/Store.ts

@@ -1,6 +1,16 @@
 import { configureStore } from '@reduxjs/toolkit'
 import counterReducer from '@/app/redux/slice'
 import cartReducer from '@/app/redux/CartReducer'
+import { persistReducer, persistStore } from 'redux-persist'
+import storage from 'redux-persist/lib/storage'
+
+const persistConfig = {
+  key: 'cart',
+  storage,
+}
+
+const persistedReducer = persistReducer(persistConfig, cartReducer)
+
 export const makeStore = () => {
   return configureStore({
     reducer: {
@@ -9,6 +19,8 @@ export const makeStore = () => {
   })
 }
 
+export const persistor = persistStore(makeStore());
+
 // Infer the type of makeStore
 export type AppStore = ReturnType<typeof makeStore>
 // Infer the `RootState` and `AppDispatch` types from the store itself