Concise\Provider\Chain

Complexity

Total Complexity

7

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	1

5 Methods

Rating	Name	Duplication	Size	Complexity
A	addProvider()	0	4	1
A	getProviders()	0	4	1
A	clearProviders()	0	4	1
A	shorten()	0	8	2
A	expand()	0	8	2

<?php

/*
 * This file is part of the Concise package.
 *
 * (c) Antoine Corcy <contact@sbin.dk>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Concise\Provider;

use Concise\Provider;

/**
 * Shorten URL with multiple Providers
 *
 * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
 */
class Chain implements Provider
{
    /**
     * @var Provider[]
     */
    protected $providers = [];

    /**
     * Adds a provider to the chain
     *
     * @param Provider $provider
     */
    public function addProvider(Provider $provider)
    {
        $this->providers[] = $provider;
    }

    /**
     * Returns the providers in the chain
     *
     * @return Provider[]
     */
    public function getProviders()
    {
        return $this->providers;
    }

    /**
     * Removes all providers from the chain
     */
    public function clearProviders()
    {
        $this->providers = [];
    }

    /**
     * {@inheritdoc}
     */
    public function shorten($url)
    {
        foreach ($this->providers as $provider) {
            $url = $provider->shorten($url);
        }

        return $url;
    }

    /**
     * {@inheritdoc}
     */
    public function expand($url)
    {
        foreach (array_reverse($this->providers) as $provider) {
            $url = $provider->expand($url);
        }

        return $url;
    }
}