/**
* This process add or update a product in the cart
*/
protected function processChangeProductInCart()
{
$mode = Tools::getIsset('update') && $this->id_product ? 'update' : 'add';
if (Tools::getIsset('group')) {
$this->id_product_attribute = (int) Product::getIdProductAttributesByIdAttributes($this->id_product, Tools::getValue('group'));
}
if ($this->qty == 0) {
$this->errors[] = $this->trans('Null quantity.', array(), 'Shop.Notifications.Error');
} elseif (!$this->id_product) {
$this->errors[] = $this->trans('Product not found', array(), 'Shop.Notifications.Error');
}
$product = new Product($this->id_product, true, $this->context->language->id);
if (!$product->id || !$product->active || !$product->checkAccess($this->context->cart->id_customer)) {
$this->errors[] = $this->trans('This product is no longer available.', array(), 'Shop.Notifications.Error');
return;
}
$qty_to_check = $this->qty;
$cart_products = $this->context->cart->getProducts();
if (is_array($cart_products)) {
foreach ($cart_products as $cart_product) {
if ((!isset($this->id_product_attribute) || $cart_product['id_product_attribute'] == $this->id_product_attribute && $cart_product['id_customization'] == $this->customization_id) && (isset($this->id_product) && $cart_product['id_product'] == $this->id_product)) {
$qty_to_check = $cart_product['cart_quantity'];
if (Tools::getValue('op', 'up') == 'down') {
$qty_to_check -= $this->qty;
} else {
$qty_to_check += $this->qty;
}
break;
}
}
}
// Check product quantity availability
if ($this->id_product_attribute) {
if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $qty_to_check)) {
$this->errors[] = $this->trans('There isn\'t enough product in stock', array(), 'Shop.Notifications.Error');
}
} elseif ($product->hasAttributes()) {
$minimumQuantity = $product->out_of_stock == 2 ? !Configuration::get('PS_ORDER_OUT_OF_STOCK') : !$product->out_of_stock;
$this->id_product_attribute = Product::getDefaultAttribute($product->id, $minimumQuantity);
// @todo do something better than a redirect admin !!
if (!$this->id_product_attribute) {
Tools::redirectAdmin($this->context->link->getProductLink($product));
} elseif (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $qty_to_check)) {
$this->errors[] = $this->trans('There isn\'t enough product in stock', array(), 'Shop.Notifications.Error');
}
} elseif (!$product->checkQty($qty_to_check)) {
$this->errors[] = $this->trans('There isn\'t enough product in stock', array(), 'Shop.Notifications.Error');
}
// If no errors, process product addition
if (!$this->errors) {
// Add cart if no cart found
if (!$this->context->cart->id) {
if (Context::getContext()->cookie->id_guest) {
$guest = new Guest(Context::getContext()->cookie->id_guest);
$this->context->cart->mobile_theme = $guest->mobile_theme;
}
$this->context->cart->add();
if ($this->context->cart->id) {
$this->context->cookie->id_cart = (int) $this->context->cart->id;
}
}
// Check customizable fields
if (!$product->hasAllRequiredCustomizableFields() && !$this->customization_id) {
$this->errors[] = $this->trans('Please fill in all of the required fields, and then save your customizations.', array(), 'Shop.Notifications.Error');
}
if (!$this->errors) {
$cart_rules = $this->context->cart->getCartRules();
$available_cart_rules = CartRule::getCustomerCartRules($this->context->language->id, isset($this->context->customer->id) ? $this->context->customer->id : 0, true, true, true, $this->context->cart, false, true);
$update_quantity = $this->context->cart->updateQty($this->qty, $this->id_product, $this->id_product_attribute, $this->customization_id, Tools::getValue('op', 'up'), $this->id_address_delivery);
if ($update_quantity < 0) {
// If product has attribute, minimal quantity is set with minimal quantity of attribute
$minimal_quantity = $this->id_product_attribute ? Attribute::getAttributeMinimalQty($this->id_product_attribute) : $product->minimal_quantity;
$this->errors[] = $this->trans('You must add %d minimum quantity', array($minimal_quantity), 'Shop.Notifications.Error');
} elseif (!$update_quantity) {
$this->errors[] = $this->trans('You already have the maximum quantity available for this product.', array(), 'Shop.Notifications.Error');
}
}
}
$removed = CartRule::autoRemoveFromCart();
CartRule::autoAddToCart();
}
