Simple logger over transaction

Two separately connection into database, one for logger second for other operations

Instalation:

1. Run composer install in project dir
2. Create own config file .env (DB connection config)
3. Create database, in root dir run command: php bin/console doctrine:database:create
4. Create scheme: php bin/console doctrine:schema:update --force

Usage:

For test run command: php bin/console data:data

/src/Service/Data/DataService.php

/**
 * @param string $dataString
 * @return bool
 */
public function insert(string $dataString): bool
{
    $return = false;
    $this->em->beginTransaction();
    try {
    	// insert log via separately connection over this transaction
        $this->logService->insert('LOG: '.$dataString, LogsRepository::TYPE_INFO);
        $data = (new Data())
            ->setData($dataString);
        $this->em->persist($data);
        $this->em->flush();
        // create exception to terminate transaction
        //throw new \Exception('test');
        $this->em->commit();
        $return = true;
    } catch (AppException $ex) {
        $this->em->rollback();
        $this->logger->critical(__METHOD__, ['ex' => $ex->getMessage()]);
    }

    return $return;
}