/**
* Returns a model basket object that can be used for
* testing.
*
* @return Model_Basket_Item A model basket object to be used for testing
*/
private function get_basket_item()
{
$basket_item = new Model_Basket_Item();
$basket_item->set_item(new RPA_Test_Basket_Item());
$basket_item->quantity = 1;
return $basket_item;
}
/**
* Adds an item to the shopping basket
*
* @param Model_Basket_Item $item The item to be added
*/
public function add_item(Interface_Basket_Item $item, $quantity = 1)
{
if (!$this->loaded()) {
$this->save();
}
// check if the item is already in the basket
$basket_item = $this->get_basket_item($item->get_id());
if ($basket_item instanceof Model_Basket_Item) {
// item is already in the basket so just increase the quantity
$basket_item->quantity += $quantity;
} else {
$basket_item = new Model_Basket_Item();
$basket_item->basket_id = $this->id;
$basket_item->set_item($item);
$basket_item->quantity = $quantity;
}
$basket_item->save();
}
