/**
* Transforms the data to given class via setter and getter methods.
* Important: If you pass the `object` param as string, then the class must
* be initializable without constructor arguments.
*
* @param Mapping $mapping The mapping object
* @param string|object $object The class name or an object
*
* @return Mapping
*/
public function transformTo(Mapping $mapping, $object)
{
$refl = new \ReflectionClass($object);
if (is_string($object)) {
$constr = $refl->getConstructor();
if (!$constr || 0 === $constr->getNumberOfRequiredParameters()) {
$object = $refl->newInstance();
} else {
$object = $refl->newInstanceWithoutConstructor();
}
}
$mapping->transform(new CallbackTransformer(function ($data) use($refl, $object, $mapping) {
if ($object instanceof \stdClass) {
return json_decode(json_encode($data));
}
foreach ($mapping->getChildren() as $name => $child) {
if (array_key_exists($name, $data) && null !== $data[$name]) {
$this->setValue($refl, $object, $name, $data[$name]);
}
}
return $object;
}, function ($data) use($refl, $object, $mapping) {
if (!$data instanceof $object) {
return;
}
if ($object instanceof \stdClass) {
return json_decode(json_encode($data), true);
}
$result = [];
foreach ($mapping->getChildren() as $name => $child) {
$result[$name] = $this->getValue($refl, $data, $name);
}
return $result;
}, false));
return $mapping;
}
/**
* Returns a form.
*
* @param Mapping $mapping The mapping object
*
* @return Form
*/
public function form(Mapping $mapping, $path = [])
{
$children = [];
foreach ($mapping->getChildren() as $name => $child) {
$children[$name] = $child->form(array_merge($path, [$name]));
}
$form = new Form($mapping, $children, $path);
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) use($form) {
$form->setData($data->getResult());
$form->setValue($data->getInput());
$form->setErrors($data->getErrors());
});
$emitter->on(Events::UNAPPLIED, function (Data $data) use($form) {
$form->setValue($data->getResult());
});
return $form;
}
