Completed
Push — master ( 620804...bcd471 )
by Joschi
02:55
created

AbstractResponder::__invoke()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 15
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 2

Importance

Changes 3
Bugs 0 Features 1
Metric Value
c 3
b 0
f 1
dl 0
loc 15
ccs 8
cts 8
cp 1
rs 9.4285
cc 2
eloc 8
nc 2
nop 1
crap 2
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<?php
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/**
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 * apparat-server
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 *
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 * @category    Apparat
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 * @package     Apparat\Server
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 * @subpackage  Apparat\Server\Ports
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 * @author      Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright   Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 * @license     http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Apparat\Server\Ports\Responder;
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use Apparat\Kernel\Ports\Kernel;
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use Apparat\Server\Application\Factory\PayloadFactory;
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use Apparat\Server\Domain\Payload\PayloadInterface;
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use Apparat\Server\Ports\View\ViewInterface;
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use Psr\Http\Message\ResponseInterface;
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/**
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 * Abstract responder
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 *
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 * @package Apparat\Server
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 * @subpackage Apparat\Server\Ports
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 */
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abstract class AbstractResponder implements ResponderInterface
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{
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    /**
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     * Action name
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     *
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     * @var string
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     */
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    const ACTION = 'Abstract';
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    /**
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     * View
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     *
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     * @var ViewInterface
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     */
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    protected $view;
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    /**
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     * Response
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     *
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     * @var ResponseInterface
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     */
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    protected $response;
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    /**
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     * Constructor
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     *
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     * @param ResponseInterface $response
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     * @param ViewInterface $view
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     */
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    public function __construct(ResponseInterface $response, ViewInterface $view)
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    {
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        $this->response = $response;
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        $this->view = $view->setAction(static::ACTION);
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    }
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    /**
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     * Run the responder and process the payload
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     *
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     * @param PayloadInterface $payload Domain payload
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     * @return ResponseInterface Response
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     * @see https://github.com/pmjones/adr/blob/master/example-code/Web/AbstractResponder.php
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     * @see https://github.com/pmjones/adr/blob/master/example-code/Web/Blog/Responder/BlogBrowseResponder.php
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     */
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    public function __invoke(PayloadInterface $payload)
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    {
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        $payloadClass = (new \ReflectionClass($payload))->getShortName();
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        $method = strtolower($payloadClass);
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        // If there's no processor for this type of payload
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        if (!is_callable([$this, $method])) {
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            /** @var PayloadFactory $payloadFactory */
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            $payloadFactory = Kernel::create(PayloadFactory::class);
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            $error = $payloadFactory->error(500, sprintf('Unrecognized payload type "%s"', $payloadClass));
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            return $this->error($error);
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        }
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        return $this->$method($payload);
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    }
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    /**
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     * Process an error payload
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     *
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     * @param PayloadInterface $payload Error payload
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     * @return ResponseInterface Response
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     */
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    protected function error(PayloadInterface $payload)
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    {
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        // Ensure the error template is used
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        $this->view->setAction((new \ReflectionClass($payload))->getShortName());
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        // Set the HTTP status code
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        $this->response = $this->response->withStatus($payload->get('status'), $payload->get('description'));
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        // Add HTTP headers
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        foreach ((array)$payload->get('header') as $name => $value) {
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            $this->response = $this->response->withHeader($name, $value);
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        }
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        $this->view->assign('error', $payload->get());
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        $this->response->getBody()->write($this->view->render());
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        return $this->response;
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    }
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}
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