/**
* Makes this mapping to an ignored field.
*
* @param Mapping $mapping The mapping object
* @param mixed $value The value
*
* @return Mapping
*/
public function ignored(Mapping $mapping, $value)
{
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) use($value) {
$data->setErrors([]);
$data->setResult($value);
});
return $mapping;
}
/**
* Enables object validation.
*
* @param Mapping $mapping The mapping object
*
* @return Mapping
*/
public function enableObjectValidation(Mapping $mapping)
{
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) {
$vios = $this->validator->validate($data->getResult());
foreach ($vios as $vio) {
$propertyPath = new PropertyPath($vio->getPropertyPath());
$data->addError(new Error($vio->getMessage(), $propertyPath->getElements()));
}
});
return $mapping;
}
/**
* Adds a transformer.
*
* @param Mapping $mapping The mapping object
* @param Transformer $transformer The transformer
*
* @return Mapping
*/
public function transform(Mapping $mapping, Transformer $transformer)
{
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) use($transformer) {
if (count($data->getErrors()) > 0) {
return;
}
$data->setResult($transformer->transform($data->getResult()));
});
$emitter->on(Events::UNAPPLY, function (Data $data) use($transformer) {
$data->setInput($transformer->reverseTransform($data->getInput()));
});
return $mapping;
}
/**
* Adds a constraint.
*
* @param Mapping $mapping The mapping object
* @param Constraint $constraint The constaint object
*
* @return Mapping
*/
public function validate(Mapping $mapping, Constraint $cons)
{
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) use($cons) {
if (count($data->getErrors()) > 0) {
return;
}
if (false === $cons->check($data->getResult())) {
$error = new Error($cons->getMessage(), $data->getPropertyPath());
$data->addError($error);
}
});
return $mapping;
}
/**
* Makes this mapping optional.
*
* @param Mapping $mapping The mapping object
*
* @return Mapping
*/
public function optional(Mapping $mapping)
{
$emitter = $mapping->getEmitter();
$emitter->on(Events::APPLIED, function (Data $data) {
if (0 === count($data->getErrors())) {
return;
}
foreach ($data->getErrors() as $error) {
if ('error.required' === $error->getMessage()) {
$data->removeError($error);
}
}
});
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;
}
