/**
* Sets the shopping basket in the content tag of the request.
*
* @return rpRequestService
*/
private function _setRatepayContentBasket()
{
$basketInfo = $this->_requestDataObjects['BasketInfo']->getData();
$shoppingBasket = $this->_request->content->addChild('shopping-basket');
$shoppingBasket->addAttribute('amount', number_format($basketInfo['amount'], 2, ".", ""));
$shoppingBasket->addAttribute('currency', strtoupper($basketInfo['currency']));
$items = $shoppingBasket->addChild('items');
foreach ($basketInfo['items'] as $itemInfoObject) {
$itemInfo = $itemInfoObject->getData();
$item = $items->addCDataChild('item', rpData::removeSpecialChars($itemInfo['articleName']));
$item->addAttribute('article-number', rpData::removeSpecialChars($itemInfo['articleNumber']));
$item->addAttribute('unique-article-number', rpData::removeSpecialChars($itemInfo['uniqueArticleNumber']));
$item->addAttribute('quantity', number_format($itemInfo['quantity'], 0, '.', ''));
$item->addAttribute('unit-price-gross', number_format(round($itemInfo['unitPriceGross'], 2), 2, ".", ""));
$item->addAttribute('tax-rate', number_format(round($itemInfo['taxRate'], 2), 0, ".", ""));
}
return $this;
}