class.DomainService.php

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<?php

declare(strict_types=1);

namespace ILIAS\Exercise\Assignment;

use ILIAS\Exercise\InternalRepoService;
use ILIAS\Exercise\InternalDomainService;

class DomainService
{
    protected InternalDomainService $domain_service;
    protected InternalRepoService $repo_service;

    // for managers that need to be created
    // on the fly and should be cached
    protected static array $managers = [];

    public function __construct(
        InternalDomainService $domain_service,
        InternalRepoService $repo_service
    ) {
        $this->domain_service = $domain_service;
        $this->repo_service = $repo_service;
    }

    public function randomAssignments(\ilObjExercise $exercise, \ilObjUser $user = null): Mandatory\RandomAssignmentsManager
    {
        if (!isset(self::$managers[Mandatory\RandomAssignmentsManager::class][$exercise->getId()])) {
            self::$managers[Mandatory\RandomAssignmentsManager::class][$exercise->getId()] =
                new Mandatory\RandomAssignmentsManager(
                    $exercise,
                    $this->repo_service->assignment()->randomAssignments(),
                    $this->repo_service->submission(),
                    $user
                );
        }
        return self::$managers[Mandatory\RandomAssignmentsManager::class][$exercise->getId()];
    }

    public function mandatoryAssignments(\ilObjExercise $exercise): Mandatory\MandatoryAssignmentsManager
    {
        if (!isset(self::$managers[Mandatory\MandatoryAssignmentsManager::class][$exercise->getId()])) {
            self::$managers[Mandatory\MandatoryAssignmentsManager::class][$exercise->getId()] =
                new Mandatory\MandatoryAssignmentsManager($exercise, $this->randomAssignments($exercise));
        }
        return self::$managers[Mandatory\MandatoryAssignmentsManager::class][$exercise->getId()];
    }
}