protected function processChangeProductInCart()
{
$mode = Tools::getIsset('update') && $this->id_product ? 'update' : 'add';
if (!$this->id_product) {
$this->errors[] = Tools::displayError('Product not found', !Tools::getValue('ajax'));
}
$product = new Product($this->id_product, true, $this->context->language->id);
if (!$product->id || !$product->active || !$product->checkAccess($this->context->cart->id_customer)) {
$this->errors[] = Tools::displayError('This product is no longer available.', !Tools::getValue('ajax'));
return;
}
$qty_factor = 1;
$ext_qty_factor = 1;
$ext_prop_quantities = null;
$id_cart_product = 0;
$qty_behavior = 0;
$icp = (int) Tools::getValue('icp');
$properties = $product->productProperties();
if ($icp && $this->context->cart->id) {
$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 = $icp;
if ($mode == 'add') {
if (Tools::getValue('qty') != 'default') {
$qty_factor = (int) Tools::getValue('qty');
}
$_POST['qty'] = (double) $cart_product['cart_quantity_fractional'] > 0 ? (double) $cart_product['cart_quantity_fractional'] : ($product->qtyStep() > 0 ? $product->qtyStep() : 1);
} elseif ($mode == 'update') {
$qty_behavior = PP::qtyBehavior($product, $cart_product['cart_quantity']);
}
break;
}
}
}
} else {
if ($properties['pp_ext'] == 1 && in_array($properties['pp_ext_policy'], array(0, 2))) {
$ext_prop_quantities = array();
$ext_prop_qty_ratio = array();
if ($properties['pp_ext_policy'] == 2) {
$prop = $product->productProp();
if ($this->id_product_attribute) {
$id_product_attribute = $this->id_product_attribute;
} else {
if ($product->hasAttributes()) {
$id_product_attribute = Product::getDefaultAttribute($product->id);
} else {
$id_product_attribute = 0;
}
}
}
$positions = count($properties['pp_ext_prop']);
for ($position = 1; $position <= $positions; $position++) {
$pp_ext_prop = $properties['pp_ext_prop'][$position];
if ($properties['pp_ext_policy'] == 2) {
$q = PP::productProp($prop, $id_product_attribute, $position, 'quantity');
if ($q === false) {
$q = (double) $pp_ext_prop['default_quantity'];
}
if ($q <= 0) {
$q = 1;
}
} else {
$q = PP::resolveInputQty(Tools::getValue('pp_ext_prop_quantity_' . $position, 'default'), $properties['pp_qty_policy'], $pp_ext_prop['qty_step'], $pp_ext_prop['default_quantity'] > 0 ? $pp_ext_prop['default_quantity'] : 1);
}
$ext_prop_quantities[$position] = $q;
$ext_prop_qty_ratio[$position] = $properties['pp_ext_prop'][$position]['qty_ratio'];
if ($q <= 0) {
$this->errors[] = Tools::displayError('Quantity not specified.', !Tools::getValue('ajax'));
}
$min_qty = (double) $pp_ext_prop['minimum_quantity'];
if ($min_qty > 0 && $q < $min_qty) {
$this->errors[] = Tools::displayError(sprintf('Please specify at least %s for %s', (string) PP::formatQty($min_qty), (string) $pp_ext_prop['property']), !Tools::getValue('ajax'));
}
$max_qty = (double) $pp_ext_prop['maximum_quantity'];
if ($max_qty > 0 && $q > $max_qty) {
$this->errors[] = Tools::displayError(sprintf('Please specify no more than %s for %s', (string) PP::formatQty($max_qty), (string) $pp_ext_prop['property']), !Tools::getValue('ajax'));
}
}
if (!$this->errors) {
$ext_qty_factor = $properties['pp_ext_method'] == 1 ? 1 : 0;
$positions = count($ext_prop_quantities);
for ($position = 1; $position <= $positions; $position++) {
$value = $ext_prop_quantities[$position];
$qty_ratio = $ext_prop_qty_ratio[$position];
if ($properties['pp_ext_method'] == 1) {
$ext_qty_factor *= $qty_ratio > 0 ? $value / $qty_ratio : $value;
} elseif ($properties['pp_ext_method'] == 2) {
$ext_qty_factor += $qty_ratio > 0 ? $value / $qty_ratio : $value;
}
}
}
}
}
if (!$this->errors) {
if ($this->id_product_attribute) {
$default_quantity = $product->attributeDefaultQty($this->id_product_attribute);
$this->qty = $qty_factor * $this->resolveInputQty($properties, $default_quantity);
if ($this->qty == 0) {
$this->errors[] = Tools::displayError('Quantity not specified.', !Tools::getValue('ajax'));
} else {
if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $ext_qty_factor * $this->qty)) {
$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));
}
}
} else {
if ($product->hasAttributes()) {
$min_quantity = $product->out_of_stock == 2 ? !Configuration::get('PS_ORDER_OUT_OF_STOCK') : !$product->out_of_stock;
$this->id_product_attribute = Product::getDefaultAttribute($product->id, $min_quantity);
if (!$this->id_product_attribute) {
Tools::redirectAdmin($this->context->link->getProductLink($product));
} else {
$default_quantity = $product->attributeDefaultQty($this->id_product_attribute);
$this->qty = $qty_factor * $this->resolveInputQty($properties, $default_quantity);
if ($this->qty == 0) {
$this->errors[] = Tools::displayError('Quantity not specified.', !Tools::getValue('ajax'));
} else {
if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $ext_qty_factor * $this->qty)) {
$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));
}
}
}
} else {
$default_quantity = $product->defaultQty();
$this->qty = $qty_factor * $this->resolveInputQty($properties, $default_quantity);
if ($this->qty == 0) {
$this->errors[] = Tools::displayError('Quantity not specified.', !Tools::getValue('ajax'));
} else {
if (!$product->checkQty($ext_qty_factor * $this->qty)) {
$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));
}
}
}
}
}
if (!$this->errors && ($mode == 'add' || $mode == 'update' && $qty_behavior)) {
if ($mode == 'add' && !$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) $this->context->cart->id;
}
}
if (!$product->hasAllRequiredCustomizableFields() && !$this->customization_id) {
$this->errors[] = Tools::displayError('Please fill in all of the required fields, and then save your customizations.', !Tools::getValue('ajax'));
}
if (!$this->errors) {
$cart_rules = $this->context->cart->getCartRules();
$update_quantity = $this->context->cart->updateQty($id_cart_product ? $mode == 'add' ? $qty_factor : $this->qty : ($ext_prop_quantities !== null ? $ext_qty_factor : $this->qty), $this->id_product, $this->id_product_attribute, $this->customization_id, $mode == 'update' ? 'update' : Tools::getValue('op', 'up'), $this->id_address_delivery, null, true, $id_cart_product, $ext_prop_quantities, $this->qty);
if ($update_quantity < 0) {
$minimal_quantity = $this->id_product_attribute ? $product->attributeMinQty($this->id_product_attribute) : $product->minQty();
$this->errors[] = Tools::displayError(sprintf('You must add %s minimum quantity', $minimal_quantity), !Tools::getValue('ajax'));
} elseif (!$update_quantity) {
$this->errors[] = Tools::displayError('You already have the maximum quantity available for this product.', !Tools::getValue('ajax'));
} elseif ((int) Tools::getValue('allow_refresh')) {
$cart_rules2 = $this->context->cart->getCartRules();
if (count($cart_rules2) != count($cart_rules)) {
$this->ajax_refresh = true;
} else {
$rule_list = array();
foreach ($cart_rules2 as $rule) {
$rule_list[] = $rule['id_cart_rule'];
}
foreach ($cart_rules as $rule) {
if (!in_array($rule['id_cart_rule'], $rule_list)) {
$this->ajax_refresh = true;
break;
}
}
}
}
}
}
$removed = CartRule::autoRemoveFromCart();
CartRule::autoAddToCart();
if (count($removed) && (int) Tools::getValue('allow_refresh')) {
$this->ajax_refresh = true;
}
}
