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Callback.zep
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Callback.zep
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/**
* This file is part of the Phalcon Framework.
*
* (c) Phalcon Team <team@phalcon.io>
*
* For the full copyright and license information, please view the LICENSE.txt
* file that was distributed with this source code.
*/
namespace Phalcon\Filter\Validation\Validator;
use Phalcon\Messages\Message;
use Phalcon\Filter\Validation;
use Phalcon\Filter\Validation\ValidatorInterface;
use Phalcon\Filter\Validation\AbstractValidator;
/**
* Calls user function for validation
*
* ```php
* use Phalcon\Filter\Validation;
* use Phalcon\Filter\Validation\Validator\Callback as CallbackValidator;
* use Phalcon\Filter\Validation\Validator\Numericality as NumericalityValidator;
*
* $validator = new Validation();
*
* $validator->add(
* ["user", "admin"],
* new CallbackValidator(
* [
* "message" => "There must be only an user or admin set",
* "callback" => function($data) {
* if (!empty($data->getUser()) && !empty($data->getAdmin())) {
* return false;
* }
*
* return true;
* }
* ]
* )
* );
*
* $validator->add(
* "amount",
* new CallbackValidator(
* [
* "callback" => function($data) {
* if (!empty($data->getProduct())) {
* return new NumericalityValidator(
* [
* "message" => "Amount must be a number."
* ]
* );
* }
* }
* ]
* )
* );
* ```
*/
class Callback extends AbstractValidator
{
protected template = "Field :field must match the callback function";
/**
* Constructor
*
* @param array options = [
* 'message' => '',
* 'template' => '',
* 'callback' => null
* ]
*/
public function __construct(array! options = [])
{
parent::__construct(options);
}
/**
* Executes the validation
*/
public function validate(<Validation> validation, var field) -> bool
{
var callback, returnedValue, data;
let callback = this->getOption("callback");
if is_callable(callback) {
let data = validation->getEntity();
if empty data {
let data = validation->getData();
}
let returnedValue = call_user_func(callback, data);
if typeof returnedValue == "boolean" {
if !returnedValue {
validation->appendMessage(
this->messageFactory(validation, field)
);
return false;
}
return true;
} elseif typeof returnedValue == "object" && returnedValue instanceof ValidatorInterface {
return returnedValue->validate(validation, field);
}
throw new Exception(
"Callback must return bool or Phalcon\\Filter\\Validation\\Validator object"
);
}
return true;
}
}