/**
* Assert Shipment exists
*
* @param string shipmentKey
* @param bool is key already prefixed
* @return bool hasShipment
*/
public function hasShipment($key, $isKey = true)
{
if (!$isKey) {
$key = Shipment::getKey($key);
}
return isset($this->_shipments[$key]);
}
/**
* Remove a specified Shipment from this Discount
*
* @param string
* @return Discount
*/
public function unsetShipment($key)
{
if ($key instanceof Shipment) {
$key = Shipment::getKey($key->getId());
}
if (!count($this->getShipments())) {
return $this;
}
$newShipments = array_flip($this->getShipments());
unset($newShipments[$key]);
$newShipments = array_flip($newShipments);
$this->_shipments = $newShipments;
return $this;
}
