/**
* @param Charge $charge
* @return SimpleXMLElement
*/
public function serialize(Charge $charge)
{
$request = simplexml_load_string('<?xml version="1.0" encoding="UTF-8"?><payment />');
$request->addChild('preApprovalCode', $charge->getSubscriptionCode());
$items = $request->addChild('items');
foreach ($charge->getItems() as $item) {
$this->appendItem($items, $item);
}
if ($reference = $charge->getReference()) {
$request->addChild('reference', $reference);
}
return $request;
}
/**
* {@inheritdoc}
*/
public function addItem(Item $item)
{
$this->charge->getItems()->add($item);
return $this;
}
/**
* @test
*/
public function constructShouldConfigureTheAttributes()
{
$this->assertInstanceOf(ItemCollection::class, $this->charge->getItems());
}
