File Contents: /home/u885320773/domains/sugatu.in/add_to_cart.php

<?php
session_start();

// Database connection
include 'admin/config.php';

// Check if product ID is sent
if (isset($_POST['productId'])) {
    $productId = intval($_POST['productId']);
    
    // Fetch product details from the database
    $query = "SELECT ptitle, discounterprice, gmain, gstpercent FROM products WHERE id = ?";
    $stmt = $conn->prepare($query);
    $stmt->bind_param("i", $productId);
    $stmt->execute();
    $result = $stmt->get_result();
    $product = $result->fetch_assoc();

if ($product) {
        // Initialize cart session if not already set
        if (!isset($_SESSION['cart'])) {
            $_SESSION['cart'] = [];
        }

// Add product to cart or update quantity if it already exists
        if (isset($_SESSION['cart'][$productId])) {
            $_SESSION['cart'][$productId]['quantity'] += 1;
        } else {
            $_SESSION['cart'][$productId] = [
                'productId' => $productId,
                'title' => $product['ptitle'],
                'price' => $product['discounterprice'],
                'image' => $product['gmain'],
                'gstpercent' => $product['gstpercent'], // Add GST percent
                'quantity' => 1
            ];
        }

// Calculate total items in the cart
        $cartCount = !empty($_SESSION['cart']) ? array_sum(array_column($_SESSION['cart'], 'quantity')) : 0;

echo json_encode([
            "success" => true,
            "cartCount" => $cartCount,
            "cartItems" => $_SESSION['cart']
        ]);
    } else {
        echo json_encode([
            "success" => false,
            "message" => "Product not found"
        ]);
    }
} else {
    echo json_encode([
        "success" => false,
        "message" => "Invalid request"
    ]);
}
?>

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