DoD::saveSettingsAction

public function saveSettingsAction(
	int $typeId,
	string $requiredOption,
	array $items = [],
	array $participants = []
): ?array
{
	$userId = User::getId();

	$typeService = new TypeService();
	$entityService = new EntityService();

	$type = $typeService->getType($typeId);
	if ($type->isEmpty())
	{
		$this->errorCollection->setError(
			new Error(
				Loc::getMessage('TASKS_SDC_ERROR_TYPE_NOT_FOUND'),
				self::ERROR_COULD_NOT_SAVE_SETTINGS
			)
		);

		return null;
	}

	$entity = $entityService->getEntityById($type->getEntityId());
	if (!Group::canReadGroupTasks($userId, $entity->getGroupId()))
	{
		$this->errorCollection->setError(
			new Error(
				Loc::getMessage('TASKS_SDC_ERROR_ACCESS_DENIED'),
				self::ERROR_ACCESS_DENIED
			)
		);

		return null;
	}

	$definitionOfDoneService = new DefinitionOfDoneService($userId);

	$result = $definitionOfDoneService->mergeList(TypeChecklistFacade::class, $type->getId(), $items);

	$result->setData(
		array_merge(($result->getData() ?? []), ['OPEN_TIME' => (new DateTime())->getTimestamp()])
	);

	$typeForm = new TypeForm();

	$typeForm->setId($type->getId());
	$typeForm->setDodRequired($requiredOption);

	if ($typeService->changeType($typeForm))
	{
		$typeForm->setParticipantsList($participants);

		if ($type->getParticipantsCodes() !== $typeForm->getParticipantsCodes())
		{
			$typeService->saveParticipants($typeForm);
		}
	}

	if ($result->isSuccess())
	{
		return [
			'type' => $typeService->getType($type->getId())->toArray(),
		];
	}
	else
	{
		$this->errorCollection->setError(
			new Error(
				'System error',
				self::ERROR_COULD_NOT_SAVE_SETTINGS
			)
		);

		return null;
	}
}