BEAR\QueryRepository\CacheInterceptor

Complexity

Total Complexity

4

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

87.5%

Importance

Changes	2
Bugs	0	Features	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	invoke()	0	21	3

<?php
/**
 * This file is part of the BEAR.QueryRepository package.
 *
 * @license http://opensource.org/licenses/MIT MIT
 */
namespace BEAR\QueryRepository;

use BEAR\RepositoryModule\Annotation\Cacheable;
use BEAR\Resource\ResourceObject;
use Ray\Aop\MethodInterceptor;
use Ray\Aop\MethodInvocation;

class CacheInterceptor implements MethodInterceptor
{
    /**
     * @var QueryRepositoryInterface
     */
    private $repository;

    /**
     * @var EtagSetterInterface
     */
    private $setEtag;

    public function __construct(
        QueryRepositoryInterface $repository,
        EtagSetterInterface $setEtag
    ) {
        $this->repository = $repository;
        $this->setEtag = $setEtag;
    }

    /**
     * {@inheritdoc}
     */
    public function invoke(MethodInvocation $invocation)
    {
        $resourceObject = $invocation->getThis();
        /* @var $resourceObject ResourceObject */
        $stored = $this->repository->get($resourceObject->uri);
        if ($stored) {
            list($resourceObject->code, $resourceObject->headers, $resourceObject->body, $resourceObject->view) = $stored;

            return $resourceObject;
        }
        /* @var $cacheable Cacheable */
        try {
            $resourceObject = $invocation->proceed();
            $this->setEtag->__invoke($resourceObject);
            $this->repository->put($resourceObject);
        } catch (\Exception $e) {
            $this->repository->purge($resourceObject->uri);
        }

        return $resourceObject;
    }
}