TikiWiki/tiki-manager

<?php
/**
 * @copyright (c) Copyright by authors of the Tiki Manager Project. All Rights Reserved.
 *     See copyright.txt for details and a complete list of authors.
 * @licence Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See LICENSE for details.
 */

namespace TikiManager\Application\Tiki\Versions;

use TikiManager\Application\Tiki\Versions\Fetcher\RequirementsFetcher;

class TikiRequirementsHelper
{
    /**
     * @var TikiRequirements[]
     */
    private $requirements;

    public function __construct(RequirementsFetcher $fetcher)
    {
        $this->requirements = $fetcher->getRequirements();

        // make sure requirements are sorted, since we rely on that: master > xx (e.g 26) > xx.y (e.g 26.1)
        usort($this->requirements, function (TikiRequirements $a, TikiRequirements $b) {
            $aVersion = $a->getVersion();
            $bVersion = $b->getVersion();

            if ($aVersion === $bVersion) { // this should never happen as versions should be unique
                return 0;
            }

            if ($aVersion === 'master' || $aVersion > $bVersion) {
                return -1;
            }

            return 1;
        });
    }

    public function findByBranchName($branchName): ?TikiRequirements
    {
        $regex = '/\d{1,2}(\.?\d{1,2})?(\.?\d{1,2})?/';
        preg_match($regex, $branchName, $matches, PREG_OFFSET_CAPTURE, 0);
        if (empty($matches[0])) {
            return $this->requirements[0];
        }
        $tikiVersion = $matches[0][0];
        $supported = array_values(array_filter($this->requirements, function ($requirement) use ($tikiVersion) {
            $version = $requirement->getVersion();
            if ($version === 'master') {
                return ($tikiVersion === 'master' || $tikiVersion === 'trunk');
            } else {
                return version_compare($tikiVersion, $requirement->getVersion(), '>=');
            }
        }));

        if (empty($supported)) {
            return end($this->requirements);
        }
        return $supported[0];
    }
}