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<?php
namespace Cardinity\Method;
use Cardinity\Exception;
use Cardinity\Method\Payment\AuthorizationInformation;
use Cardinity\Method\Payment\PaymentInstrumentCard;
use Cardinity\Method\Payment\PaymentInstrumentRecurring;
abstract class ResultObject implements ResultObjectInterface
{
/**
* Wrap single result error into array of errors
* @return array
*/
public function getErrors()
{
return [
[
'field' => 'status',
'message' => $this->getError()
]
];
}
/**
* Return single error
*/
public function getError()
{
return '';
}
/**
* Serializes result object to json object
* @param boolean $toJson encode result to json
* @return string
*/
public function serialize($toJson = true)
{
$data = [];
$getters = $this->classGetters(get_class($this));
foreach ($getters as $method) {
$property = $this->propertyName($method);
$value = $this->$method();
if (is_float($value)) {
$value = sprintf("%01.2f", $value);
} elseif (is_object($value)) {
$value = $value->serialize(false);
}
if ($value !== null) {
$data[$property] = $value;
}
}
if ($toJson === true) {
return json_encode($data);
}
return $data;
}
/**
* Loads result object values from json object
* @param string $string json
* @return void
*/
public function unserialize($string)
{
$data = json_decode($string);
foreach ($data as $property => $value) {
$method = $this->setterName($property);
if (is_numeric($value) && strstr($value, '.')) {
$value = floatval($value);
} elseif (is_object($value)) {
if ($property == 'authorization_information') {
$object = new AuthorizationInformation();
$object->unserialize(json_encode($value));
$value = $object;
} elseif ($property == 'payment_instrument') {
if (!isset($data->payment_method)) {
throw new Exception\Runtime('Property "payment_method" is missing');
}
if ($data->payment_method == Payment\Create::CARD) {
$object = new PaymentInstrumentCard();
} elseif ($data->payment_method == Payment\Create::RECURRING) {
$object = new PaymentInstrumentRecurring();
}
$object->unserialize(json_encode($value));
$value = $object;
}
}
$this->$method($value);
}
}
/**
* @param string $class
*/
private function classGetters($class)
{
$methods = get_class_methods($class);
return array_filter($methods, function ($value) use ($methods) {
if ($value == 'getErrors') {
return false;
}
// no setter means it's inherited property, should be ignored
$setter = $this->setterName($this->propertyName($value));
if (!in_array($setter, $methods)) {
return false;
}
return substr($value, 0, 3) == 'get';
});
}
private function propertyName($method)
{
$method = lcfirst(substr($method, 3));
$method = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $method));
return $method;
}
private function setterName($property)
{
$parts = explode('_', $property);
$parts = array_map('ucfirst', $parts);
$property = implode('', $parts);
return 'set' . ucfirst($property);
}
}