/**
* {@inheritDoc}
*/
public function calculate($request, ShoppingCart $shoppingCart)
{
$paymentType = $shoppingCart->getSelectedPaymentType();
// iterate over all conditions
$output = array();
foreach ($this->container->get('settingsService')->get('plugins.paymentSurcharge.conditions', array()) as $condition) {
if ($paymentType->getId() == $condition['code'] || null === $condition['code']) {
// payment module match
if (null != $condition['cvalue']) {
$cvalueToken = explode(':', $condition['cvalue']);
if (2 == count($cvalueToken)) {
$cvalueType = $cvalueToken[0];
$cvalueName = $cvalueToken[1];
} else {
$cvalueType = 'field';
$cvalueName = $cvalueToken[0];
}
// evaluate the value to use with the regexp
$cvalueNames = explode(';', $cvalueName);
switch ($cvalueType) {
case 'field':
$cvalue = null;
foreach ($cvalueNames as $name) {
if (isset($payment->{$name})) {
$cvalue = $payment->{$name};
} else {
$cvalue = $request->getParameter($name, null);
}
if (null !== $cvalue) {
break;
}
}
break;
default:
$this->container->get('logger')->err('invalid condition value type: ' . $cvalueType);
return null;
}
}
// check eregexp
if (null == $condition['cvalue'] && null == $condition['regexp'] || ereg($condition['regexp'], $cvalue)) {
// match, so apply condition
// evaluate the condition's value
$amount = 0;
if (is_numeric($condition['value'])) {
$amount = (double) $condition['value'];
}
if (0 === strpos($condition['value'], '%:')) {
$amount = trim(str_replace('%:', '', $condition['value']));
$amount = $shoppingCart->getSubtotal() * ($amount / 100);
}
$details = Beans::getBean('ZMOrderTotalLineDetails');
$details->setTitle($condition['title']);
$details->setAmount($amount);
$details->setDisplayValue($amount);
$output[] = $details;
}
}
}
return $output;
}
