Surfnet\StepupMiddleware\CommandHandlingBundle\Pipeline\TransactionAwarePipeline

Complexity

Total Complexity

4

Size/Duplication

Total Lines	69
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	process()	0	59	3
A	__construct()	0	6	1

<?php

/**
 * Copyright 2014 SURFnet bv
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Surfnet\StepupMiddleware\CommandHandlingBundle\Pipeline;

use Doctrine\DBAL\Connection;
use Exception;
use Psr\Log\LoggerInterface;
use Surfnet\StepupMiddleware\CommandHandlingBundle\Command\AbstractCommand;

class TransactionAwarePipeline implements Pipeline
{
    public function __construct(
        private readonly LoggerInterface $logger,
        private readonly Pipeline $innerPipeline,
        private readonly Connection $middlewareConnection,
        private readonly Connection $gatewayConnection,
    ) {
    }

    public function process(AbstractCommand $command): AbstractCommand
    {
        $this->logger->debug(
            sprintf(
                'Starting Transaction in TransactionAwarePipeline for processing command "%s"',
                $command,
            ),
        );

        $this->middlewareConnection->beginTransaction();
        $this->gatewayConnection->beginTransaction();

        try {
            $this->logger->debug(sprintf('Requesting inner pipeline to process command "%s"', $command));

            $command = $this->innerPipeline->process($command);

            $this->logger->debug(sprintf('Inner pipeline processed command "%s", committing transaction', $command));

            $this->middlewareConnection->commit();
            $this->gatewayConnection->commit();
        } catch (Exception $e) {
            // log at highest level if we may have a split head in the db-cluster...
            if (strpos($e->getMessage(), 'ER_UNKNOWN_COM_ERROR')) {
                $this->logger->emergency(
                    sprintf(
                        '[!!!] Critical Database Exception while processing command "%s": "%s"',
                        $command,
                        $e->getMessage(),
                    ),
                    ['exception' => $e],
                );
            } else {
                $this->logger->error(
                    sprintf(
                        'Exception occurred while processing command "%s": "%s", rolling back transaction',
                        $command,
                        $e->getMessage(),
                    ),
                    ['exception' => $e],
                );
            }

            $this->middlewareConnection->rollBack();
            $this->gatewayConnection->rollBack();

            $this->logger->debug(
                sprintf(
                    'Transaction for command "%s" rolled back, re-throwing exception',
                    $command,
                ),
            );

            throw $e;
        }

        $this->logger->debug(sprintf('Transaction committed, done processing command "%s"', $command));

        return $command;
    }
}