/**
* add a product to the cart
*
* @param timpanyProductInterface $product
* @param int $count
*/
public function addProduct(timpanyProductInterface $product, $count = 1)
{
if (false == array_key_exists($product->getIdentifier(), $this->_items)) {
$this->_items[$product->getIdentifier()] = new timpanyCartItem();
$this->_items[$product->getIdentifier()]->setCount($count)->setProductData($product->toCartItem());
} else {
$this->_items[$product->getIdentifier()]->increaseCount($count);
}
}
