CartContext.jsx
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import React, { createContext, useState, useContext, useEffect } from 'react';
import { cartService } from '../services/api/cartService';
const CartContext = createContext();
export const useCart = () => {
const context = useContext(CartContext);
if (!context) {
throw new Error('useCart must be used within a CartProvider');
}
return context;
};
export const CartProvider = ({ children }) => {
const [cartItems, setCartItems] = useState([]);
const [loading, setLoading] = useState(false);
const [error, setError] = useState('');
useEffect(() => {
loadCart();
}, []);
const loadCart = async () => {
try {
setLoading(true);
const items = await cartService.getCart();
setCartItems(items);
} catch (error) {
console.error('Failed to load cart:', error);
} finally {
setLoading(false);
}
};
const addToCart = async (productId, quantity = 1) => {
try {
setError('');
const updatedCart = await cartService.addToCart(productId, quantity);
setCartItems(updatedCart.items);
return { success: true };
} catch (error) {
setError(error.message || 'Failed to add item to cart');
return { success: false, error: error.message };
}
};
const updateCartItem = async (productId, quantity) => {
try {
setError('');
const updatedCart = await cartService.updateCartItem(productId, quantity);
setCartItems(updatedCart.items);
return { success: true };
} catch (error) {
setError(error.message || 'Failed to update cart item');
return { success: false, error: error.message };
}
};
const removeFromCart = async (productId) => {
try {
setError('');
const updatedCart = await cartService.removeFromCart(productId);
setCartItems(updatedCart.items);
return { success: true };
} catch (error) {
setError(error.message || 'Failed to remove item from cart');
return { success: false, error: error.message };
}
};
const clearCart = async () => {
try {
setError('');
await cartService.clearCart();
setCartItems([]);
return { success: true };
} catch (error) {
setError(error.message || 'Failed to clear cart');
return { success: false, error: error.message };
}
};
const getCartTotal = () => {
return cartItems.reduce((total, item) => total + (item.price * item.quantity), 0);
};
const getCartItemsCount = () => {
return cartItems.reduce((count, item) => count + item.quantity, 0);
};
const value = {
cartItems,
loading,
error,
addToCart,
updateCartItem,
removeFromCart,
clearCart,
getCartTotal,
getCartItemsCount,
loadCart
};
return (
<CartContext.Provider value={value}>
{children}
</CartContext.Provider>
);
};