Ilex\Slim\RouteStrategies\RouteArgsResolver

Complexity

Total Complexity

7

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	isValid()	0	8	3
A	has()	0	3	1
A	add()	0	8	2
A	resolve()	0	3	1

<?php

declare(strict_types=1);

namespace Ilex\Slim\RouteStrategies;

use Ilex\Slim\RouteStrategies\Exception\RouteArgsResolverException;

final class RouteArgsResolver
{
    /**
     * @var callable[]
     */
    private $resolvers = [];

    /**
     * @param RouteArgsResolverInterface $routeArgsResolver
     *
     * @return RouteArgsResolver
     *
     * @throws RouteArgsResolverException
     */
    public function add(RouteArgsResolverInterface $routeArgsResolver): self
    {
        $keys = $routeArgsResolver->getArgsResolver();
        foreach ($keys as $key => $callable) {
            $this->isValid($key, $callable);
            $this->resolvers[$key] = $callable;
        }
        return $this;
    }

    /**
     * @param string $key
     * @param string $value
     *
     * @return mixed
     */
    public function resolve(string $key, string $value)
    {
        return $this->resolvers[$key]($value);
    }

    public function has(string $key): bool
    {
        return isset($this->resolvers[$key]);
    }

    /**
     * @param string $key
     * @param mixed $callable
     *
     * @throws RouteArgsResolverException
     */
    private function isValid(string $key, $callable): void
    {
        if (\array_key_exists($key, $this->resolvers)) {
            throw RouteArgsResolverException::keyAlreadyExist($key);
        }

        if (!\is_callable($callable)) {
            throw RouteArgsResolverException::isNotCallable($key);
        }
    }
}