version7

frontend/src/App.tsx

@@ -2,19 +2,24 @@ import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
 import Header from './Header';
 import LoginPage from './LoginPage';
 import ProductList from './ProductList';
+import ProductDetail from './ProductDetail';
+import { CartProvider } from './CartContext';
 
 function App() {
   return (
     <Router>
-      <Header />
-      <main>
-        <Routes>
-          <Route path="/" element={<ProductList />} />
-          <Route path="/login" element={<LoginPage />} />
-        </Routes>
-      </main>
+      <CartProvider>
+        <Header />
+        <main>
+          <Routes>
+            <Route path="/" element={<ProductList />} />
+            <Route path="/product/:id" element={<ProductDetail />} />
+            <Route path="/login" element={<LoginPage />} />
+          </Routes>
+        </main>
+      </CartProvider>
     </Router>
   )
 }
 
-export default App
+export default App;

frontend/src/CartContext.tsx

@@ -0,0 +1,34 @@
+import React, { createContext, useContext, useState } from 'react';
+
+interface CartItem {
+  id: number;
+  name: string;
+  price: number;
+}
+
+interface CartContextType {
+  cart: CartItem[];
+  addToCart: (product: CartItem) => void;
+}
+
+const CartContext = createContext<CartContextType | undefined>(undefined);
+
+export const CartProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [cart, setCart] = useState<CartItem[]>([]);
+
+  const addToCart = (product: CartItem) => {
+    setCart((prev) => [...prev, product]);
+  };
+
+  return (
+    <CartContext.Provider value={{ cart, addToCart }}>
+      {children}
+    </CartContext.Provider>
+  );
+};
+
+export const useCart = () => {
+  const context = useContext(CartContext);
+  if (!context) throw new Error('useCart must be used within CartProvider');
+  return context;
+};

frontend/src/ProductDetail.tsx

@@ -0,0 +1,42 @@
+import React, { useEffect, useState } from 'react';
+import { useParams, Link } from 'react-router-dom';
+import axios from 'axios';
+import { useCart } from './CartContext';
+
+interface Product {
+  id: number;
+  name: string;
+  description: string;
+  price: number;
+}
+
+const ProductDetail: React.FC = () => {
+  const { id } = useParams<{ id: string }>();
+  const [product, setProduct] = useState<Product | null>(null);
+  const { addToCart } = useCart();
+
+  useEffect(() => {
+    axios.get(`http://127.0.0.1:8000/api/products/${id}/`)
+      .then(res => setProduct(res.data))
+      .catch(err => console.error(err));
+  }, [id]);
+
+  if (!product) return <div>Loading...</div>;
+
+  return (
+    <div className="container mx-auto p-4">
+      <Link to="/" className="text-blue-500 mb-4 inline-block">&larr; Back to Products</Link>
+      <h1 className="text-3xl font-bold">{product.name}</h1>
+      <p className="text-gray-700 mt-2">{product.description}</p>
+      <p className="text-xl font-semibold mt-4">${product.price}</p>
+      <button 
+        className="bg-green-600 text-white px-4 py-2 mt-4 rounded"
+        onClick={() => addToCart({ id: product.id, name: product.name, price: product.price })}
+      >
+        Add to Cart
+      </button>
+    </div>
+  );
+};
+
+export default ProductDetail;