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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // cart.js | ||
|
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| function addToCart(productName, productPrice) { | ||
| // Create a cart item object | ||
| var cartItem = { | ||
| name: productName, | ||
| price: productPrice, | ||
| quantity: parseInt(document.querySelector('input[type="number"]').value) | ||
| }; | ||
|
|
||
| // Check if the cart already exists in local storage | ||
| var cart = JSON.parse(localStorage.getItem('cart')) || []; | ||
|
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| // Check if the product is already in the cart | ||
| var existingProductIndex = cart.findIndex(item => item.name === cartItem.name); | ||
|
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| if (existingProductIndex !== -1) { | ||
| // If the product is already in the cart, update the quantity | ||
| cart[existingProductIndex].quantity += cartItem.quantity; | ||
| } else { | ||
| // If the product is not in the cart, add it | ||
| cart.push(cartItem); | ||
| } | ||
|
|
||
| // Save the updated cart back to local storage | ||
| localStorage.setItem('cart', JSON.stringify(cart)); | ||
|
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| // Optionally, you can update the cart display or show a confirmation message | ||
| alert('Item added to cart!'); | ||
| // Display the updated cart on the cart.html page | ||
| displayCart(); | ||
| } | ||
|
|
||
| // Function to display cart items on the cart.html page | ||
| function displayCart() { | ||
| var cart = JSON.parse(localStorage.getItem('cart')) || []; | ||
| var cartTable = document.getElementById('cartTable'); | ||
|
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||
| // Clear existing table content | ||
| cartTable.innerHTML = '<thead><tr><td>Remove</td><td>Product</td><td>Price</td><td>Quantity</td><td>Total</td></tr></thead><tbody>'; | ||
|
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||
| // Loop through cart items and append to the table | ||
| cart.forEach(function (item) { | ||
| var row = '<tr>' + | ||
| '<td><a href="#" onclick="removeItem(\'' + item.name + '\')"><i class="far fa-times-circle"></i></a></td>' + | ||
| '<td>' + item.name + '</td>' + | ||
| '<td>Rs. ' + item.price + '</td>' + | ||
| '<td><span>' + item.quantity + '</span></td>' + // Change input to span | ||
| '<td>Rs. ' + (item.price * item.quantity) + '</td>' + | ||
| '</tr>'; | ||
| cartTable.innerHTML += row; | ||
| }); | ||
|
|
||
| // Close the table body | ||
| cartTable.innerHTML += '</tbody>'; | ||
| } | ||
|
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|
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|
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| // Function to remove an item from the cart | ||
| function removeItem(productName) { | ||
| var cart = JSON.parse(localStorage.getItem('cart')) || []; | ||
| var updatedCart = cart.filter(function (item) { | ||
| return item.name !== productName; | ||
| }); | ||
|
|
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| localStorage.setItem('cart', JSON.stringify(updatedCart)); | ||
| displayCart(); | ||
| } | ||
|
|
||
| // Function to update the quantity in the cart | ||
| function updateQuantity(productName, newQuantity) { | ||
| var cart = JSON.parse(localStorage.getItem('cart')) || []; | ||
| var updatedCart = cart.map(function (item) { | ||
| if (item.name === productName) { | ||
| item.quantity = parseInt(newQuantity); | ||
| } | ||
| return item; | ||
| }); | ||
|
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| localStorage.setItem('cart', JSON.stringify(updatedCart)); | ||
|
|
||
| // Call displayCart to update the displayed cart | ||
| displayCart(); | ||
| } | ||
|
|
||
| // Display the cart when the page loads | ||
| displayCart(); |
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