[FORM] Add DataTransformer to and from array

This commit is contained in:
Hugo Sales 2020-07-27 03:43:21 +00:00 committed by Hugo Sales
parent 93f576679c
commit 921da28884
Signed by: someonewithpc
GPG Key ID: 7D0C7EAFC9D835A0

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@ -0,0 +1,70 @@
<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* Handle network public feed
*
* @package GNUsocial
* @category Controller
*
* @author Hugo Sales <hugo@fc.up.pt>
* @copyright 2020 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace App\Util\Form;
use App\Util\Formatting;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
class ArrayTransformer implements DataTransformerInterface
{
/**
* Array to string, but can't use type annotations
*
* @param mixed $a
*/
public function transform($a)
{
if (!is_array($a)) {
throw new TransformationFailedException();
}
return Formatting::toString($a, Formatting::SPLIT_BY_SPACE);
}
/**
* String to array, but can't use type annotations
*
* @param mixed $s
*/
public function reverseTransform($s)
{
if (empty($s)) {
return [];
}
$arr;
if (is_string($s) && Formatting::toArray($s, $arr, Formatting::SPLIT_BY_BOTH)) {
return $arr;
} else {
throw new TransformationFailedException();
}
}
}