SlayerBirden\DataFlowServer\Doctrine\Middleware\BaseResourceMiddleware

Complexity

Total Complexity

4

Size/Duplication

Total Lines	62
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	5

Test Coverage

Coverage

80%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	13	1
A	process()	0	21	3

<?php
declare(strict_types=1);

namespace SlayerBirden\DataFlowServer\Doctrine\Middleware;

use Doctrine\Common\Persistence\ManagerRegistry;
use Doctrine\ORM\ORMInvalidArgumentException;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Log\LoggerInterface;
use SlayerBirden\DataFlowServer\Stdlib\Validation\ResponseFactory;

final class BaseResourceMiddleware implements ResourceMiddlewareInterface
{
    /**
     * @var LoggerInterface
     */
    private $logger;
    /**
     * @var string
     */
    private $entityName;
    /**
     * @var string
     */
    private $dataObjectName;
    /**
     * @var string
     */
    private $idAttributeName;
    /**
     * @var ManagerRegistry
     */
    private $managerRegistry;

    public function __construct(
        ManagerRegistry $managerRegistry,
        LoggerInterface $logger,
        string $entityName,
        string $dataObjectName,
        string $idAttributeName = 'id'
    ) {
        $this->managerRegistry = $managerRegistry;
        $this->logger = $logger;
        $this->entityName = $entityName;
        $this->dataObjectName = $dataObjectName;
        $this->idAttributeName = $idAttributeName;
    }

    /**
     * @inheritdoc
     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $id = $request->getAttribute($this->idAttributeName);

        try {
            $em = $this->managerRegistry->getManagerForClass($this->entityName);
            $entity = $em->find($this->entityName, $id);
            if ($entity) {
                return $handler->handle(
                    $request->withAttribute(self::DATA_RESOURCE, $entity)
                );
            } else {
                $msg = sprintf('Could not load %s by provided ID.', $this->dataObjectName);
                return (new ResponseFactory())($msg, 404, $this->dataObjectName);
            }
        } catch (ORMInvalidArgumentException $exception) {
            $this->logger->error((string)$exception);
            $msg = sprintf('Error during loading %s.', $this->dataObjectName);
            return (new ResponseFactory())($msg, 400, $this->dataObjectName);
        }
    }
}