Zikula\RoutesModule\Form\DataTransformer\Base\AbstractArrayFieldTransformer

Complexity

Total Complexity

9

Size/Duplication

Total Lines	67
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	transform()	0	18	4
A	reverseTransform()	0	10	2
A	removeEmptyEntries()	0	13	3

<?php
/**
 * Routes.
 *
 * @copyright Zikula contributors (Zikula)
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 * @author Zikula contributors <support@zikula.org>.
 * @link http://www.zikula.org
 * @link http://zikula.org
 * @version Generated by ModuleStudio 0.7.4 (http://modulestudio.de).
 */

namespace Zikula\RoutesModule\Form\DataTransformer\Base;

use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\FormBuilderInterface;

/**
 * Array field transformer base class.
 */
abstract class AbstractArrayFieldTransformer implements DataTransformerInterface
{
    /**
     * Transforms the object array to the normalised value.
     *
     * @param array|null $values
     *
     * @return string
     */
    public function transform($values)
    {
        if (null === $values) {
            return '';
        }

        if (!is_array($values)) {
            return $values;
        }

        if (!count($values)) {
            return '';
        }

        $value = $this->removeEmptyEntries($values);

        return implode("\n", $value);
    }

    /**
     * Transforms a textual value back to the array.
     *
     * @param string $value
     *
     * @return array
     */
    public function reverseTransform($value)
    {
        if (!$value) {
            return [];
        }

        $items = explode("\n", $value);

        return $this->removeEmptyEntries($items);
    }

    /**
     * Iterates over the given array and removes all empty entries.
     *
     * @param array array The given input array.
     *
     * @return array The cleaned array.
     */
    protected function removeEmptyEntries($array)
    {
        $items = $array;

        foreach ($items as $k => $v) {
            if (!empty($v)) {
                continue;
            }
            unset($items[$k]);
        }

        return $items;
    }
}