public function ajaxProcessUpdateQty()
{
if ($this->tabAccess['edit'] === '1') {
$errors = array();
if (!$this->context->cart->id) {
return;
}
if ($this->context->cart->OrderExists()) {
$errors[] = Tools::displayError('An order has already been placed with this cart.');
} elseif (!($id_product = (int) Tools::getValue('id_product')) || !($product = new Product((int) $id_product, true, $this->context->language->id))) {
$errors[] = Tools::displayError('Invalid product');
} elseif (!($qty = Tools::getValue('qty')) || $qty == 0) {
$errors[] = Tools::displayError('Invalid quantity');
} else {
$icp = (int) Tools::getValue('icp');
if ($icp != 'add' && (!($icp = (int) $icp) || $icp == 0)) {
$errors[] = Tools::displayError('Invalid cart product reference');
}
}
if (!count($errors)) {
// Don't try to use a product if not instanciated before due to errors
if (isset($product) && $product->id) {
$id_product_attribute = Tools::getValue('id_product_attribute');
if ($icp == 'add') {
$id_cart_product = 0;
$properties = $product->productProperties();
$qty_policy = $properties['pp_qty_policy'];
$qty = PP::resolveInputQty($qty, $qty_policy, $properties['pp_qty_step']);
if (PP::qtyPolicyFractional($qty_policy)) {
$quantity_fractional = $qty;
$qty = 1;
$update_qty = $quantity_fractional;
} else {
$qty = (int) $qty;
$quantity_fractional = 0;
$update_qty = $qty;
}
} else {
$cart_products = $this->context->cart->getProducts();
if (count($cart_products)) {
foreach ($cart_products as $cart_product) {
if ($icp == (int) $cart_product['id_cart_product']) {
$id_cart_product = $icp;
$qty = (int) $qty;
$quantity_fractional = $cart_product['cart_quantity_fractional'];
$update_qty = $qty;
break;
}
}
}
}
if (isset($id_cart_product)) {
if ($id_product_attribute != 0) {
if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty((int) $id_product_attribute, PP::resolveQty($qty, $quantity_fractional))) {
$errors[] = Tools::displayError('There is not enough product in stock.');
}
} else {
if (!$product->checkQty(PP::resolveQty($qty, $quantity_fractional))) {
$errors[] = Tools::displayError('There is not enough product in stock.');
}
}
if (!($id_customization = (int) Tools::getValue('id_customization', 0)) && !$product->hasAllRequiredCustomizableFields()) {
$errors[] = Tools::displayError('Please fill in all required fields.');
}
$this->context->cart->save();
} else {
$errors[] = Tools::displayError('This product cannot be added to the cart.');
}
} else {
$errors[] = Tools::displayError('This product cannot be added to the cart.');
}
}
if (!count($errors)) {
if ((int) $update_qty < 0) {
$update_qty = str_replace('-', '', $update_qty);
$operator = 'down';
} else {
$operator = 'up';
}
if (!($qty_upd = $this->context->cart->updateQty($update_qty, $id_product, (int) $id_product_attribute, (int) $id_customization, $operator, 0, null, true, $id_cart_product))) {
$errors[] = Tools::displayError('You already have the maximum quantity available for this product.');
} elseif ($qty_upd < 0) {
$minimal_qty = $id_product_attribute ? $product->attributeMinQty((int) $id_product_attribute) : $product->minQty();
$errors[] = sprintf(Tools::displayError('You must add a minimum quantity of %d', false), $minimal_qty);
}
}
echo Tools::jsonEncode(array_merge($this->ajaxReturnVars(), array('errors' => $errors)));
}
}
public function updateQty($quantity, $id_product, $id_product_attribute = null, $id_customization = false, $operator = 'up', $id_address_delivery = 0, Shop $shop = null, $auto_add_cart_rule = true, $id_cart_product = 0, $ext_prop_quantities = null, $ext_qty = 0)
{
if (!$shop) {
$shop = Context::getContext()->shop;
}
if (Context::getContext()->customer->id) {
if ($id_address_delivery == 0 && (int) $this->id_address_delivery) {
// The $id_address_delivery is null, use the cart delivery address
$id_address_delivery = $this->id_address_delivery;
} elseif ($id_address_delivery == 0) {
// The $id_address_delivery is null, get the default customer address
$id_address_delivery = (int) Address::getFirstCustomerAddressId((int) Context::getContext()->customer->id);
} elseif (!Customer::customerHasAddress(Context::getContext()->customer->id, $id_address_delivery)) {
// The $id_address_delivery must be linked with customer
$id_address_delivery = 0;
}
}
//$quantity = (int)$quantity;
$id_product = (int) $id_product;
$id_product_attribute = (int) $id_product_attribute;
$product = new Product($id_product, false, Configuration::get('PS_LANG_DEFAULT'), $shop->id);
if ($id_product_attribute) {
$combination = new Combination((int) $id_product_attribute);
if ($combination->id_product != $id_product) {
return false;
}
}
$properties = $product->productProperties();
$quantity = $product->normalizeQty($quantity);
/* If we have a product combination, the minimal quantity is set with the one of this combination */
if (!empty($id_product_attribute)) {
$minimal_quantity = $product->attributeMinQty($id_product_attribute);
} else {
$minimal_quantity = $product->minQty();
}
if (!Validate::isLoadedObject($product)) {
die(Tools::displayError());
}
if (isset(self::$_nbProducts[$this->id])) {
unset(self::$_nbProducts[$this->id]);
}
if (isset(self::$_totalWeight[$this->id])) {
unset(self::$_totalWeight[$this->id]);
}
Hook::exec('actionBeforeCartUpdateQty', array('cart' => $this, 'product' => $product, 'id_product_attribute' => $id_product_attribute, 'id_customization' => $id_customization, 'quantity' => $quantity, 'operator' => $operator, 'id_address_delivery' => $id_address_delivery, 'shop' => $shop, 'auto_add_cart_rule' => $auto_add_cart_rule));
if ($quantity <= 0) {
return $this->deleteProduct($id_product, $id_product_attribute, (int) $id_customization, 0, $id_cart_product);
} elseif (!$product->available_for_order || Configuration::get('PS_CATALOG_MODE') && !defined('_PS_ADMIN_DIR_')) {
return false;
} else {
if ($id_cart_product == 0 && !PP::qtyPolicyLegacy($properties['pp_qty_policy'])) {
$result = false;
} else {
/* Check if the product is already in the cart */
$result = $this->containsProduct($id_product, $id_product_attribute, (int) $id_customization, (int) $id_address_delivery, PP::productQtyPolicyLegacy($product) ? 0 : $quantity, $id_cart_product);
}
/* Update quantity if product already exist */
if ($result) {
if ($operator == 'up' || $operator == 'update') {
$sql = 'SELECT stock.out_of_stock, IFNULL(stock.quantity, 0) as quantity, IFNULL(stock.quantity_remainder, 0) as quantity_remainder
FROM ' . _DB_PREFIX_ . 'product p
' . Product::sqlStock('p', $id_product_attribute, true, $shop) . '
WHERE p.id_product = ' . $id_product;
$result2 = Db::getInstance()->getRow($sql);
$product_qty = (int) $result2['quantity'] + (double) $result2['quantity_remainder'];
// Quantity for product pack
if (Pack::isPack($id_product)) {
$product_qty = Pack::getQuantity($id_product, $id_product_attribute);
}
if ($operator == 'up') {
$q = $id_cart_product > 0 || PP::qtyPolicyLegacy($properties['pp_qty_policy']) ? (int) $quantity : 1;
$new_qty = PP::resolveQty((int) $result['quantity'] + $q, $result['quantity_fractional']);
$new_min_qty = $properties['pp_ext'] == 1 ? (int) $result['quantity'] + $q : $new_qty;
$qty = '+ ' . (int) $q;
} else {
$new_qty = $new_min_qty = $qty = $quantity;
}
if (!Product::isAvailableWhenOutOfStock((int) $result2['out_of_stock'])) {
if ($new_qty > $product_qty) {
return false;
}
}
} else {
if ($operator == 'down') {
$q = $id_cart_product > 0 ? (int) $quantity : 1;
$new_qty = PP::resolveQty((int) $result['quantity'] - $q, $result['quantity_fractional']);
$new_min_qty = $properties['pp_ext'] == 1 ? (int) $result['quantity'] - $q : $new_qty;
$qty = '- ' . (int) $q;
if ($new_min_qty < $minimal_quantity && (PP::qtyPolicyLegacy($properties['pp_qty_policy'] || $properties['pp_ext'] == 1) ? $minimal_quantity > 1 : $new_qty > 0)) {
return -1;
}
} else {
return false;
}
}
/* Delete product from cart */
if (($properties['pp_ext'] == 1 ? $new_min_qty : $new_qty) <= 0) {
return $this->deleteProduct((int) $id_product, (int) $id_product_attribute, (int) $id_customization, $id_address_delivery, $id_cart_product);
} else {
if ($new_min_qty < $minimal_quantity) {
return -1;
} else {
if ($operator == 'up' || $operator == 'down') {
Db::getInstance()->execute('
UPDATE `' . _DB_PREFIX_ . 'cart_product`
SET `quantity` = `quantity` ' . $qty . ', `date_add` = NOW()
WHERE `id_cart_product` = ' . (int) $result['id_cart_product'] . '
LIMIT 1');
} else {
Db::getInstance()->execute('
UPDATE `' . _DB_PREFIX_ . 'cart_product`
SET `quantity_fractional` = ' . $qty . ', `date_add` = NOW()
WHERE `id_cart_product` = ' . (int) $result['id_cart_product'] . '
LIMIT 1');
}
}
}
$id_cart_product = (int) $result['id_cart_product'];
} elseif ($operator == 'up') {
$sql = 'SELECT stock.out_of_stock, IFNULL(stock.quantity, 0) as quantity, IFNULL(stock.quantity_remainder, 0) as quantity_remainder
FROM ' . _DB_PREFIX_ . 'product p
' . Product::sqlStock('p', $id_product_attribute, true, $shop) . '
WHERE p.id_product = ' . $id_product;
$result2 = Db::getInstance()->getRow($sql);
// Quantity for product pack
if (Pack::isPack($id_product)) {
$result2['quantity'] = Pack::getQuantity($id_product, $id_product_attribute);
}
$total_quantity = PP::qtyPolicyLegacy($properties['pp_qty_policy']) ? $quantity : ($ext_prop_quantities !== null && $ext_qty > 0 ? $quantity * $ext_qty : $quantity);
if (!Product::isAvailableWhenOutOfStock((int) $result2['out_of_stock'])) {
if ($total_quantity > $result2['quantity'] + (PP::qtyPolicyFractional($properties['pp_qty_policy']) ? (double) $result2['quantity_remainder'] : 0)) {
return false;
}
}
if (PP::qtyPolicyFractional($properties['pp_qty_policy']) && $ext_prop_quantities !== null && $ext_qty > 0) {
if ($ext_qty < $minimal_quantity) {
return -1;
} else {
if ($total_quantity < $minimal_quantity) {
return -1;
}
}
}
$result_add = Db::getInstance()->insert('cart_product', array('id_product' => (int) $id_product, 'id_product_attribute' => (int) $id_product_attribute, 'id_cart' => (int) $this->id, 'id_address_delivery' => (int) $id_address_delivery, 'id_shop' => $shop->id, 'quantity' => PP::qtyPolicyLegacy($properties['pp_qty_policy']) ? $quantity : ($ext_prop_quantities !== null && $ext_qty > 0 ? $ext_qty : 1), 'quantity_fractional' => PP::qtyPolicyLegacy($properties['pp_qty_policy']) ? 0 : $quantity, 'date_add' => date('Y-m-d H:i:s')));
if (!$result_add) {
return false;
}
$id_cart_product = Db::getInstance()->Insert_ID();
if (count($ext_prop_quantities)) {
$db = Db::getInstance();
foreach ($ext_prop_quantities as $index => $value) {
$db->insert('pp_product_ext', array('id_cart_product' => (int) $id_cart_product, 'position' => (int) $index, 'quantity' => (double) $value));
}
}
}
$this->last_icp = $id_cart_product;
}
// refresh cache of self::_products
$this->_products = $this->getProducts(true);
$this->update();
$context = Context::getContext()->cloneContext();
$context->cart = $this;
Cache::clean('getContextualValue_*');
if ($auto_add_cart_rule) {
CartRule::autoAddToCart($context);
}
if ($product->customizable) {
return $this->_updateCustomizationQuantity($quantity, (int) $id_customization, (int) $id_product, (int) $id_product_attribute, (int) $id_address_delivery, $operator, $id_cart_product);
} else {
return true;
}
}
