class.ilTermsOfServiceTableDataProviderFactory.php

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<?php

declare(strict_types=1);

class ilTermsOfServiceTableDataProviderFactory
{
    public const CONTEXT_ACCEPTANCE_HISTORY = 'acceptance_history';
    public const CONTEXT_DOCUMENTS = 'documents';

    protected ?ilDBInterface $db = null;

    public function getByContext(string $context): ilTermsOfServiceTableDataProvider
    {
        switch ($context) {
            case self::CONTEXT_ACCEPTANCE_HISTORY:
                $this->validateConfiguration(['db']);
                return new ilTermsOfServiceAcceptanceHistoryProvider($this->getDatabaseAdapter());

            case self::CONTEXT_DOCUMENTS:
                return new ilTermsOfServiceDocumentTableDataProvider();

            default:
                throw new InvalidArgumentException('Provider not supported');
        }
    }

    protected function validateConfiguration(array $mandatoryMemberVariables): void
    {
        foreach ($mandatoryMemberVariables as $member) {
            if (null === $this->{$member}) {
                $exception = $this->getExceptionByMember($member);
                throw $exception;
            }
        }
    }

    protected function getExceptionByMember(string $member): ilTermsOfServiceException
    {
        switch ($member) {
            case 'db':
                return new ilTermsOfServiceMissingDatabaseAdapterException(
                    'Incomplete factory configuration. Please inject a database adapter.'
                );

            default:
                throw new InvalidArgumentException("Exception for member $member not supported");
        }
    }

    public function setDatabaseAdapter(?ilDBInterface $db): void
    {
        $this->db = $db;
    }

    public function getDatabaseAdapter(): ?ilDBInterface
    {
        return $this->db;
    }
}