HummingBirdAnimeClient/src/API/ParallelAPIRequest.php

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<?php declare(strict_types=1);
/**
* Hummingbird Anime List Client
*
* An API client for Kitsu and MyAnimeList to manage anime and manga watch lists
*
* PHP version 7
*
* @package HummingbirdAnimeClient
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2017 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 4.0
* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
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*/
namespace Aviat\AnimeClient\API;
use function Amp\call;
use function Amp\Promise\{all, wait};
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/**
* Class to simplify making and validating simultaneous requests
*/
class ParallelAPIRequest {
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/**
* Set of requests to make in parallel
*
* @var array
*/
protected $requests = [];
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/**
* Add a request
*
* @param string|Request $request
* @param string|number $key
* @return self
*/
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public function addRequest($request, $key = NULL): self
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{
if ( ! is_null($key))
{
$this->requests[$key] = $request;
return $this;
}
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$this->requests[] = $request;
return $this;
}
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/**
* Add multiple requests
*
* @param string[]|Request[] $requests
* @return self
*/
public function addRequests(array $requests): self
{
array_walk($requests, [$this, 'addRequest']);
return $this;
}
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/**
* Actually make the requests
*
* @return array
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*/
public function makeRequests(): array
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{
$client = new HummingbirdClient();
$promises = [];
foreach ($this->requests as $key => $url)
{
$promises[$key] = call(function () use ($client, $url) {
$response = yield $client->request($url);
$body = yield $response->getBody();
return $body;
});
}
return wait(all($promises));
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}
}