AbstractAdapter::getResponse()

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by Gabor

created 2017-05-15 11:46 UTC

↳ Parent: AbstractAdapter

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dl	0
loc	1
ccs	0
cts	0
cp	0
c	0
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nc	1

<?php
/**
 * WebHemi.
 *
 * PHP version 7.1
 *
 * @copyright 2012 - 2017 Gixx-web (http://www.gixx-web.com)
 * @license   https://opensource.org/licenses/MIT The MIT License (MIT)
 *
 * @link      http://www.gixx-web.com
 */
declare(strict_types = 1);

namespace WebHemi\Application\ServiceAdapter;

use Throwable;
use WebHemi\Application\ServiceInterface;
use WebHemi\DependencyInjection\ServiceInterface as DependencyInjectionInterface;
use WebHemi\Http\ResponseInterface;
use WebHemi\Http\ServerRequestInterface;
use WebHemi\Middleware\Common as CommonMiddleware;
use WebHemi\Middleware\MiddlewareInterface;

/**
 * Class AbstractAdapter
 */
abstract class AbstractAdapter implements ServiceInterface
{
    /** @var DependencyInjectionInterface */
    protected $container;

    /**
     * ServiceAdapter constructor.
     *
     * @param DependencyInjectionInterface $container
     */
    public function __construct(DependencyInjectionInterface $container)
    {
        $this->container = $container;
    }

    /**
     * Runs the application. This is where the magic happens.
     * According tho the environment settings this must build up the middleware pipeline and execute it.
     *
     * a Pre-Routing Middleware can be; priority < 0:
     *  - LockCheck - check if the client IP is banned > S102|S403
     *  - Auth - if the user is not logged in, but there's a "Remember me" cookie, then logs in > S102
     *
     * Routing Middleware is fixed (RoutingMiddleware::class); priority = 0:
     *  - A middleware that routes the incoming Request and delegates to the matched middleware. > S102|S404|S405
     *    The RouteResult should be attached to the Request.
     *    If the Routing is not defined explicitly in the pipeline, then it will be injected with priority 0.
     *
     * a Post-Routing Middleware can be; priority between 0 and 100:
     *  - Acl - checks if the given route is available for the client. Also checks the auth > S102|S401|S403
     *  - CacheReader - checks if a suitable response body is cached. > S102|S200
     *
     * Dispatcher Middleware is fixed (DispatcherMiddleware::class); priority = 100:
     *  - A middleware which gets the corresponding Action middleware and applies it > S102
     *    If the Dispatcher is not defined explicitly in the pipeline, then it will be injected with priority 100.
     *    The Dispatcher should not set the response Status Code to 200 to let Post-Dispatchers to be called.
     *
     * a Post-Dispatch Middleware can be; priority > 100:
     *  - CacheWriter - writes response body into DataStorage (DB, File etc.) > S102
     *
     * Final Middleware is fixed (FinalMiddleware:class):
     *  - This middleware behaves a bit differently. It cannot be ordered, it's always the last called middleware:
     *    - when the middleware pipeline reached its end (typically when the Status Code is still 102)
     *    - when one item of the middleware pipeline returns with return response (status code is set to 200|40*|500)
     *    - when during the pipeline process an Exception is thrown.
     *
     * When the middleware pipeline is finished the application prints the header and the output.
     *
     * If a middleware other than the Routing, Dispatcher and Final Middleware has no priority set, it will be
     * considered to have priority = 50.
     *
     * @return void
     */
    abstract public function run() : void;

    /**
     * Gets the Request object.
     *
     * @return ServerRequestInterface
     */
    abstract protected function getRequest() : ServerRequestInterface;

    /**
     * Gets the Response object.
     *
     * @return ResponseInterface
     */
    abstract protected function getResponse() : ResponseInterface;

    /**
     * Instantiates and invokes a middleware
     *
     * @param string $middlewareClass
     * @param ServerRequestInterface $request
     * @param ResponseInterface $response
     * @return void
     */
    protected function invokeMiddleware(
        string $middlewareClass,
        ServerRequestInterface&$request,
        ResponseInterface&$response
    ) : void {
        try {
            /** @var MiddlewareInterface $middleware */
            $middleware = $this->container->get($middlewareClass);
            $requestAttributes = $request->getAttributes();

            // As an extra step if an action middleware is resolved, it should be invoked by the dispatcher.
            if (isset($requestAttributes[ServerRequestInterface::REQUEST_ATTR_RESOLVED_ACTION_CLASS])
                && ($middleware instanceof CommonMiddleware\DispatcherMiddleware
                    || $middleware instanceof CommonMiddleware\CliDispatcherMiddleware
if ($x instanceof DoesNotExist) {
    // Do something.
}
                )
            ) {
                /** @var MiddlewareInterface $actionMiddleware */
                $actionMiddleware = $this->container
                    ->get($requestAttributes[ServerRequestInterface::REQUEST_ATTR_RESOLVED_ACTION_CLASS]);
                $request = $request->withAttribute(
                    ServerRequestInterface::REQUEST_ATTR_ACTION_MIDDLEWARE,
                    $actionMiddleware
                );
            }

            $middleware($request, $response);
        } catch (Throwable $exception) {
            $code = ResponseInterface::STATUS_INTERNAL_SERVER_ERROR;

            if (in_array(
                $exception->getCode(),
                [
                    ResponseInterface::STATUS_FORBIDDEN,
                    ResponseInterface::STATUS_NOT_FOUND,
                    ResponseInterface::STATUS_BAD_METHOD,
                    ResponseInterface::STATUS_NOT_IMPLEMENTED,
                ]
            )) {
                $code = $exception->getCode();
            }

            $response = $response->withStatus($code);
            $request = $request->withAttribute(
                ServerRequestInterface::REQUEST_ATTR_MIDDLEWARE_EXCEPTION,
                $exception
            );
        }
    }
}


Push — master ( a14261...5f8bab )

AbstractAdapter::getResponse()

Size

Duplication

Importance

1. Missing dependencies

2. Missing use statement

1		<?php
2		/**
3		* WebHemi.
4		*
5		* PHP version 7.1
6		*
7		* @copyright 2012 - 2017 Gixx-web (http://www.gixx-web.com)
8		* @license https://opensource.org/licenses/MIT The MIT License (MIT)
9		*
10		* @link http://www.gixx-web.com
11		*/
12		declare(strict_types = 1);
13
14		namespace WebHemi\Application\ServiceAdapter;
15
16		use Throwable;
17		use WebHemi\Application\ServiceInterface;
18		use WebHemi\DependencyInjection\ServiceInterface as DependencyInjectionInterface;
19		use WebHemi\Http\ResponseInterface;
20		use WebHemi\Http\ServerRequestInterface;
21		use WebHemi\Middleware\Common as CommonMiddleware;
22		use WebHemi\Middleware\MiddlewareInterface;
23
24		/**
25		* Class AbstractAdapter
26		*/
27		abstract class AbstractAdapter implements ServiceInterface
28		{
29		/** @var DependencyInjectionInterface */
30		protected $container;
31
32		/**
33		* ServiceAdapter constructor.
34		*
35		* @param DependencyInjectionInterface $container
36		*/
37	6	public function __construct(DependencyInjectionInterface $container)
38		{
39	6	$this->container = $container;
40	6	}
41
42		/**
43		* Runs the application. This is where the magic happens.
44		* According tho the environment settings this must build up the middleware pipeline and execute it.
45		*
46		* a Pre-Routing Middleware can be; priority < 0:
47		* - LockCheck - check if the client IP is banned > S102\|S403
48		* - Auth - if the user is not logged in, but there's a "Remember me" cookie, then logs in > S102
49		*
50		* Routing Middleware is fixed (RoutingMiddleware::class); priority = 0:
51		* - A middleware that routes the incoming Request and delegates to the matched middleware. > S102\|S404\|S405
52		* The RouteResult should be attached to the Request.
53		* If the Routing is not defined explicitly in the pipeline, then it will be injected with priority 0.
54		*
55		* a Post-Routing Middleware can be; priority between 0 and 100:
56		* - Acl - checks if the given route is available for the client. Also checks the auth > S102\|S401\|S403
57		* - CacheReader - checks if a suitable response body is cached. > S102\|S200
58		*
59		* Dispatcher Middleware is fixed (DispatcherMiddleware::class); priority = 100:
60		* - A middleware which gets the corresponding Action middleware and applies it > S102
61		* If the Dispatcher is not defined explicitly in the pipeline, then it will be injected with priority 100.
62		* The Dispatcher should not set the response Status Code to 200 to let Post-Dispatchers to be called.
63		*
64		* a Post-Dispatch Middleware can be; priority > 100:
65		* - CacheWriter - writes response body into DataStorage (DB, File etc.) > S102
66		*
67		* Final Middleware is fixed (FinalMiddleware:class):
68		* - This middleware behaves a bit differently. It cannot be ordered, it's always the last called middleware:
69		* - when the middleware pipeline reached its end (typically when the Status Code is still 102)
70		* - when one item of the middleware pipeline returns with return response (status code is set to 200\|40*\|500)
71		* - when during the pipeline process an Exception is thrown.
72		*
73		* When the middleware pipeline is finished the application prints the header and the output.
74		*
75		* If a middleware other than the Routing, Dispatcher and Final Middleware has no priority set, it will be
76		* considered to have priority = 50.
77		*
78		* @return void
79		*/
80		abstract public function run() : void;
81
82		/**
83		* Gets the Request object.
84		*
85		* @return ServerRequestInterface
86		*/
87		abstract protected function getRequest() : ServerRequestInterface;
88
89		/**
90		* Gets the Response object.
91		*
92		* @return ResponseInterface
93		*/
94		abstract protected function getResponse() : ResponseInterface;
95
96		/**
97		* Instantiates and invokes a middleware
98		*
99		* @param string $middlewareClass
100		* @param ServerRequestInterface $request
101		* @param ResponseInterface $response
102		* @return void
103		*/
104	5	protected function invokeMiddleware(
105		string $middlewareClass,
106		ServerRequestInterface&$request,
107		ResponseInterface&$response
108		) : void {
109		try {
110		/** @var MiddlewareInterface $middleware */
111	5	$middleware = $this->container->get($middlewareClass);
112	5	$requestAttributes = $request->getAttributes();
113
114		// As an extra step if an action middleware is resolved, it should be invoked by the dispatcher.
115	5	if (isset($requestAttributes[ServerRequestInterface::REQUEST_ATTR_RESOLVED_ACTION_CLASS])
116		&& ($middleware instanceof CommonMiddleware\DispatcherMiddleware
117	5	\|\| $middleware instanceof CommonMiddleware\CliDispatcherMiddleware
		0 ignored issues – show Bug introduced 2017-05-15 11:51 UTC by Report Bug Copy Issue Report The class `WebHemi\Middleware\Common\CliDispatcherMiddleware` does not exist. Did you forget a USE statement, or did you not list all dependencies? This error could be the result of: 1. Missing dependencies PHP Analyzer uses your `composer.json` file (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects the `composer.json` to be in the root folder of your repository. Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the `require` or `require-dev` section? 2. Missing use statement PHP does not complain about undefined classes in `ìnstanceof` checks. For example, the following PHP code will work perfectly fine: if ($x instanceof DoesNotExist) { // Do something. } If you have not tested against this specific condition, such errors might go unnoticed. Loading history...
118		)
119		) {
120		/** @var MiddlewareInterface $actionMiddleware */
121	3	$actionMiddleware = $this->container
122	3	->get($requestAttributes[ServerRequestInterface::REQUEST_ATTR_RESOLVED_ACTION_CLASS]);
123	3	$request = $request->withAttribute(
124	3	ServerRequestInterface::REQUEST_ATTR_ACTION_MIDDLEWARE,
125		$actionMiddleware
126		);
127		}
128
129	5	$middleware($request, $response);
130	4	} catch (Throwable $exception) {
131	4	$code = ResponseInterface::STATUS_INTERNAL_SERVER_ERROR;
132
133	4	if (in_array(
134	4	$exception->getCode(),
135		[
136	4	ResponseInterface::STATUS_FORBIDDEN,
137	4	ResponseInterface::STATUS_NOT_FOUND,
138	4	ResponseInterface::STATUS_BAD_METHOD,
139	4	ResponseInterface::STATUS_NOT_IMPLEMENTED,
140		]
141		)) {
142	3	$code = $exception->getCode();
143		}
144
145	4	$response = $response->withStatus($code);
146	4	$request = $request->withAttribute(
147	4	ServerRequestInterface::REQUEST_ATTR_MIDDLEWARE_EXCEPTION,
148		$exception
149		);
150		}
151	5	}
152		}
153

Gixx / WebHemi

Push — master ( a14261...5f8bab )

AbstractAdapter::getResponse()

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Duplication

Importance

1. Missing dependencies

2. Missing use statement

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