InitCtrlService.php

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<?php

declare(strict_types=1);

use ILIAS\DI\Container;
use ILIAS\components\Help\ScreenId\HelpScreenIdObserver;

final class InitCtrlService
{
    public function init(Container $dic): void
    {
        $this->abortIfMissingDependencies($dic);

        try {
            $ctrl_structure = new ilCtrlStructure(
                require  ilCtrlStructureArtifactObjective::PATH(),
                require  ilCtrlBaseClassArtifactObjective::PATH(),
                require  ilCtrlSecurityArtifactObjective::PATH()
            );
        } catch (Throwable $t) {
            throw new ilCtrlException(self::class . " could not require artifacts, try `composer du` first.");
        }

        $token_repository = new ilCtrlTokenRepository();
        $path_factory = new ilCtrlPathFactory($ctrl_structure);
        $context = new ilCtrlContext(
            $path_factory,
            $dic->http()->wrapper()->query(),
            $dic->refinery()
        );

        // create global instance of ilCtrl
        $GLOBALS['ilCtrl'] = new ilCtrl(
            $ctrl_structure,
            $token_repository,
            $path_factory,
            $context,
            $dic["http.response_sender_strategy"],
            $dic->http()->request(),
            $dic->http()->wrapper()->post(),
            $dic->http()->wrapper()->query(),
            $dic->refinery(),
            $dic["component.factory"],
            new ilCtrlSubject(),
            new ilCtrlQueryRegexParser(),
        );

        // add helper function to DI container that
        // returns the global instance.
        $dic['ilCtrl'] = static function () {
            return $GLOBALS['ilCtrl'];
        };
    }

    private function abortIfMissingDependencies(Container $dic): void
    {
        if (!$dic->offsetExists('http')) {
            throw new ilCtrlException("Cannot initialize ilCtrl if HTTP Services are not yet available.");
        }

        if (!$dic->offsetExists('refinery')) {
            throw new ilCtrlException("Cannot initialize ilCtrl if Refinery Factory is not yet available.");
        }

        // if (!$dic->offsetExists('ilDB')) {
        //     throw new ilCtrlException("Cannot initialize ilCtrl if Database is not yet available.");
        // }
    }
}