updateProduct.php

<?php
// updateProduct.php

header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: POST, OPTIONS");
header("Access-Control-Allow-Headers: Content-Type, Authorization");

if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(200);
    exit();
}


header('Content-Type: application/json');
include 'Conx.php'; // Ensure the correct path to your Conx.php file

// Get input data
$data = json_decode(file_get_contents('php://input'), true);

if (isset($data['id'], $data['name'], $data['description'], $data['price'], $data['quantity'])) {
    $id = (int) $data['id'];
    $name = $data['name'];
    $description = $data['description'];
    $price = (float) $data['price'];
    $quantity = (int) $data['quantity'];

    // Prepare and execute the update query
    $query = "UPDATE products SET name = ?, description = ?, price = ?, quantity = ? WHERE id = ?";
    $stmt = $conn->prepare($query);
    $stmt->bind_param('ssdii', $name, $description, $price, $quantity, $id);
    $stmt->execute();

    if ($stmt->affected_rows > 0) {
        echo json_encode(['success' => true, 'message' => 'Product updated successfully.']);
    } else {
        echo json_encode(['success' => false, 'message' => 'No changes made or product not found.']);
    }

    $stmt->close();
} else {
    echo json_encode(['success' => false, 'message' => 'Invalid input']);
}

$conn->close();
?>