OAuth2Framework\Component\Server\ClientRegistrationEndpoint\Rule\RuleManager

Complexity

Total Complexity

5

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	add()	0	6	1
A	all()	0	4	1
A	handle()	0	4	1
A	callableForNextRule()	0	13	2

<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2018 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace OAuth2Framework\Component\Server\ClientRegistrationEndpoint\Rule;

use OAuth2Framework\Component\Server\Core\Client\ClientId;
use OAuth2Framework\Component\Server\Core\DataBag\DataBag;

final class RuleManager
{
    /**
     * @var Rule[]
     */
    private $rules = [];

    /**
     * Appends new middleware for this message bus. Should only be used at configuration time.
     *
     * @param Rule $rule
     *
     * @return RuleManager
     */
    public function add(Rule $rule): self
    {
        $this->rules[] = $rule;

        return $this;
    }

    /**
     * @return Rule[]
     */
    public function all(): array
    {
        return $this->rules;
    }

    /**
     * @param ClientId $clientId
     * @param DataBag  $commandParameters
     *
     * @return DataBag
     */
    public function handle(ClientId $clientId, DataBag $commandParameters): DataBag
    {
        return call_user_func($this->callableForNextRule(0), $clientId, $commandParameters, DataBag::create([]));
    }

    /**
     * @param int $index
     *
     * @return \Closure
     */
    private function callableForNextRule(int $index): \Closure
    {
        if (!isset($this->rules[$index])) {
            return function (ClientId $clientId, DataBag $commandParameters, DataBag $validatedParameters): DataBag {
                return $validatedParameters;
            };
        }
        $rule = $this->rules[$index];

        return function (ClientId $clientId, DataBag $commandParameters, DataBag $validatedParameters) use ($rule, $index): DataBag {
            return $rule->handle($clientId, $commandParameters, $validatedParameters, $this->callableForNextRule($index + 1));
        };
    }
}