public function add()
{
if (!isset($_POST['id']) || !isset($_POST['quantity'])) {
header("Location: /products/all");
}
if (!$this->isLogged()) {
header("Location: /users/login");
}
$productId = $_POST['id'];
$quantityWanted = $_POST['quantity'];
$userId = (string) $_SESSION['id'];
$product = new ProductModel();
$viewModel = new InformationViewModel();
if (!$product->exists($productId)) {
$viewModel->error = "Product {$productId} does not exist";
}
$quantityAvailable = $product->details($productId)->getQuantity();
if ($quantityWanted > $quantityAvailable) {
$viewModel->error = "Not enough stock";
}
$shoppingCart = new CartModel();
if ($shoppingCart->add($userId, $productId, $quantityWanted)) {
$viewModel->success = "Product {$productId} added to cart successfully";
} else {
$viewModel->error = "Cannot add product {$productId} to cart";
}
return new View($viewModel);
}
public function changeStock($productId, $newQuantity)
{
$this->validatePermissions();
$categoryModel = new ProductModel();
$viewModel = new InformationViewModel();
try {
$categoryModel->changeStock($productId, $newQuantity);
$viewModel->success = "Quantity of product {$productId} updated successfully";
} catch (\Exception $e) {
$viewModel->error = $e->getMessage();
}
return new View($viewModel);
}
