YetiForceCompany/YetiForceCRM

<?php

namespace App;

/**
 * Version class.
 *
 * @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>
 */
class Version
{
    private static $versions = false;

    /**
     * Get current version of system.
     *
     * @param string $type
     *
     * @return string
     */
    public static function get($type = 'appVersion'): string
    {
        static::init();
        return static::$versions[$type];
    }

    /**
     * Get current short version of system.
     *
     * @param string $type
     *
     * @return string
     */
    public static function getShort($type = 'appVersion'): string
    {
        $fullVer = \explode('.', self::get($type));
        array_pop($fullVer);
        return \implode('.', $fullVer);
    }

    /**
     * Function to load versions.
     */
    private static function init(): void
    {
        if (false === static::$versions) {
            static::$versions = require 'config/version.php';
        }
    }

    /**
     * Check app versions with given version.
     *
     * @param string $version   - String Version against which comparision to be done
     * @param string $type
     * @param string $condition - String Condition like ( '=', '!=', '<', '<=', '>', '>=')
     *
     * @return bool|int
     */
    public static function check($version, $type = 'appVersion', $condition = '>=')
    {
        static::init();
        return static::compare($version, static::$versions[$type], $condition);
    }

    /**
     * Compares two version number strings.
     *
     * @param string $v1
     * @param string $v2
     * @param string $operator
     *
     * @return mixed
     */
    public static function compare($v1, $v2, $operator = '==')
    {
        if ('x' === substr($v2, -1)) {
            $ev2 = \explode('.', $v2);
            \array_pop($ev2);
            $lv2 = \count($ev2);
            $v2 = \implode('.', $ev2);
            $v1 = \implode('.', \array_slice(\explode('.', $v1), 0, $lv2));
        }
        return version_compare($v1, $v2, $operator);
    }
}