YetiForceCompany/YetiForceCRM

<?php
/**
 * Class to find routing between two points.
 *
 * @package App
 *
 * @copyright YetiForce S.A.
 * @license   YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com)
 * @author    Mariusz Krzaczkowski <m.krzaczkowski@yetiforce.com>
 */

namespace App\Map;

/**
 * Base Connector to get routing.
 */
class Routing
{
    /** @var \App\Map\Routing\Base Routing instance */
    private static $instance;

    /**
     * Function to get connector.
     *
     * @throws \App\Exceptions\AppException
     *
     * @return \App\Map\Routing\Base
     */
    public static function getInstance(): Routing\Base
    {
        if (static::$instance) {
            return static::$instance;
        }
        $routingProvider = \App\Config::module('OpenStreetMap', 'routingServers')[\App\Config::module('OpenStreetMap', 'routingServer')];
        $className = "\\App\\Map\\Routing\\{$routingProvider['driverName']}";
        if (!class_exists($className)) {
            throw new \App\Exceptions\AppException('ERR_CLASS_NOT_FOUND');
        }
        static::$instance = new $className($routingProvider);
        return static::$instance;
    }

    /**
     * Get routing drivers.
     *
     * @return string[]
     */
    public static function getDrivers(): array
    {
        $drivers = [];
        foreach (new \DirectoryIterator(ROOT_DIRECTORY . '/app/Map/Routing/') as $item) {
            if ($item->isFile() && 'Base' !== $item->getBasename('.php')) {
                $drivers[] = $item->getBasename('.php');
            }
        }
        return $drivers;
    }
}