<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.2.9
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\ORM\Rule;
use Cake\Datasource\EntityInterface;
use Cake\Validation\Validation;
use Countable;
/**
* Validates the count of associated records.
*/
class ValidCount
{
/**
* The field to check
*
* @var string
*/
protected $_field;
/**
* Constructor.
*
* @param string $field The field to check the count on.
*/
public function __construct($field)
{
$this->_field = $field;
}
/**
* Performs the count check
*
* @param \Cake\Datasource\EntityInterface $entity The entity from where to extract the fields.
* @param array $options Options passed to the check.
* @return bool True if successful, else false.
*/
public function __invoke(EntityInterface $entity, array $options)
{
$value = $entity->{$this->_field};
if (!is_array($value) && !$value instanceof Countable) {
return false;
}
return Validation::comparison(count($value), $options['operator'], $options['count']);
}
}