/**
* Add a Purchasable to Cart as a new CartLine
*
* This method creates a new CartLine and set item quantity
* correspondingly.
*
* If the Purchasable is already in the Cart, it just increments
* item quantity by $quantity
*
* @param CartInterface $cart Cart
* @param PurchasableInterface $purchasable Product or Variant to add
* @param integer $quantity Number of units to set or increase
*
* @return $this self Object
*/
public function addProduct(CartInterface $cart, PurchasableInterface $purchasable, $quantity)
{
/**
* If quantity is not a number or is 0 or less, product is not added
* into cart
*/
if (!is_int($quantity) || $quantity <= 0) {
return $this;
}
foreach ($cart->getCartLines() as $cartLine) {
/**
* @var CartLineInterface $cartLine
*/
if ($cartLine->getPurchasable()->getId() == $purchasable->getId()) {
/**
* Product already in the Cart, increase quantity
*/
return $this->increaseCartLineQuantity($cartLine, $quantity);
}
}
$cartLine = $this->cartLineFactory->create();
$cartLine->setPurchasable($purchasable)->setQuantity($quantity);
$this->addLine($cart, $cartLine);
return $this;
}
