Overblog\GraphQLBundle\Resolver\ResolverResolver

Complexity

Total Complexity

10

Size/Duplication

Total Lines	60
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Test Coverage

Coverage

93.75%

Importance

Changes	1
Bugs	1	Features	1

4 Methods

Rating	Name	Duplication	Size	Complexity
A	getResolverServiceOptionsFromAlias()	0	12	2
A	getMapping()	0	4	1
A	unresolvableMessage()	0	4	1
B	resolve()	0	29	6

<?php

/*
 * This file is part of the OverblogGraphQLBundle package.
 *
 * (c) Overblog <http://github.com/overblog/>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Overblog\GraphQLBundle\Resolver;

use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class ResolverResolver extends AbstractResolver
{
    /**
     * @param $input
     *
     * @return mixed
     */
    public function resolve($input)
    {
        if (!is_array($input)) {
            $input = [$input];
        }

        if (!isset($input[0]) || !isset($input[1])) {
            $optionResolver = new OptionsResolver();
            $optionResolver->setDefaults([null, []]);
            $input = $optionResolver->resolve($input);
        }

        $alias = $input[0];
        $funcArgs = $input[1];

        if (null === $func = $this->cache->fetch($alias)) {
            $options = $this->getResolverServiceOptionsFromAlias($alias);

            $resolver = $this->container->get($options['id']);
            if ($resolver instanceof ContainerAwareInterface) {
                $resolver->setContainer($this->container);
            }
            $func = [$resolver, $options['method']];

            $this->cache->save($alias, $func);
        }

        return call_user_func_array($func, $funcArgs);
    }

    private function getResolverServiceOptionsFromAlias($alias)
    {
        $resolversMapping = $this->getMapping();

        if (!isset($resolversMapping[$alias])) {
            throw new UnresolvableException(
                $this->unresolvableMessage($alias)
            );
        }

        return $resolversMapping[$alias];
    }

    protected function getMapping()
    {
        return $this->container->getParameter('overblog_graphql.resolvers_mapping');
    }

    protected function unresolvableMessage($alias)
    {
        return sprintf('Unknown resolver with alias "%s" (verified service tag)', $alias);
    }
}