NuBOXDevCom / Database-Backup

src/FileManager.php

<?php

namespace NDC\DatabaseBackup;

/**
 * Class FileManager
 * @package NDC\DatabaseBackup
 */
class FileManager
{
    /**
     * @var array
     */
    private $params;
    /**
     * @var array
     */
    private $files = [];
    /**
     * @var self
     */
    private static $_instance;

    /**
     * @return FileManager|null
     */
    public static function getInstance(): ?self
    {

        if (self::$_instance === null) {
            self::$_instance = new self;
        }
        return self::$_instance;
    }

    /**
     * FileManager constructor.
     */
    public function __construct()
    {
        System::getInstance();

The type NDC\DatabaseBackup\System was not found. Maybe you did not declare it correctly or list all dependencies?

        $this->params = [
            'files_path' => env('FILES_PATH_TO_SAVE_BACKUP', './Backups'),
            'days_interval' => env('FILES_DAYS_HISTORY', 3)
        ];
        $this->_getFiles();
        env('FILES_DAYS_HISTORY', 3) > 0 ?: $this->removeOldFilesByIntervalDays();
    }

    /**
     * @return void
     */
    private function _getFiles(): void
    {
        $files = scandir($this->params['files_path'], SCANDIR_SORT_ASCENDING);
        $this->files = array_filter($files, function ($k) {
            $return = [];
            if ($k !== '..' && $k !== '.') {
                $return[] = $k;
            }
            return $return;
        });
    }

    /**
     * @return void
     */
    private function removeOldFilesByIntervalDays(): void
    {
        $time_before = time() - $this->params['days_interval'] * 86400;
        foreach ($this->files as $file) {
            $f = explode('-', $file);
            $f = str_replace('.sql', '', $f);
            if ($f[1] < $time_before) {
                @unlink($this->params['files_path'] . '/' . $file);
            }
        }
    }
}