TableNamesHandler.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Repository\Utilities\Queries;

use ILIAS\MetaData\Elements\RessourceID\RessourceIDInterface;
use ILIAS\MetaData\Repository\Dictionary\TagInterface;
use ILIAS\MetaData\Repository\Utilities\Queries\Results\RowInterface;
use ILIAS\MetaData\Repository\Dictionary\LOMDictionaryInitiator;
use ILIAS\MetaData\Repository\Utilities\Queries\Results\ResultFactoryInterface;
use ILIAS\MetaData\Repository\Utilities\Queries\Assignments\AssignmentRowInterface;
use ILIAS\MetaData\Repository\Utilities\Queries\Assignments\Action;
use ILIAS\MetaData\Repository\Utilities\Queries\Assignments\ActionAssignmentInterface;

trait TableNamesHandler
{
    protected function checkTable(string $table): void
    {
        if (
            is_null($this->table($table)) ||
            is_null($this->IDName($table))
        ) {
            throw new \ilMDRepositoryException('Invalid MD table: ' . $table);
        }
    }

    protected function table(string $table): ?string
    {
        return LOMDictionaryInitiator::TABLES[$table] ?? null;
    }

    protected function IDName(string $table): ?string
    {
        return LOMDictionaryInitiator::ID_NAME[$table] ?? null;
    }
}