RunOpenCode\Backup\Rotator\MaxSizeRotator

Complexity

Total Complexity

6

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

95.24%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
B	nominate()	0	38	5

<?php
/*
 * This file is part of the Backup package, an RunOpenCode project.
 *
 * (c) 2015 RunOpenCode
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * This project is fork of "kbond/php-backup", for full credits info, please
 * view CREDITS file that was distributed with this source code.
 */
namespace RunOpenCode\Backup\Rotator;

use RunOpenCode\Backup\Contract\BackupInterface;
use RunOpenCode\Backup\Contract\RotatorInterface;
use RunOpenCode\Backup\Utils\Filesize;

/**
 * Class MaxSizeRotator
 *
 * Rotator that nominates old backups when total backup size exceed maximum allowed backup size.
 *
 * @package RunOpenCode\Backup\Rotator
 */
final class MaxSizeRotator implements RotatorInterface
{
    /**
     * @var int
     */
    private $maxSize;

    /**
     * @param string|int $maxSize
     */
    public function __construct($maxSize)
    {
        $this->maxSize = Filesize::getBytes($maxSize);
    }

    /**
     * {@inheritdoc}
     */
    public function nominate(array $backups)
    {
        $list = array();
        $currentSize = 0;

        /**
         * @var BackupInterface $backup
         */
        foreach ($backups as $backup) {
            $list[$backup->getCreatedAt()->getTimestamp()] = $backup;
            $currentSize += $backup->getSize();
        }

        if ($currentSize > $this->maxSize) {

            ksort($list);

            $nominations = array();

            /**
             * @var BackupInterface $backup
             */
            foreach ($list as $backup) {

                $nominations[] = $backup;
                $currentSize -= $backup->getSize();

                if ($currentSize <= $this->maxSize) {
                    break;
                }
            }

            return $nominations;

        } else {
            return array();
        }
    }
}