FrameRunner::__invoke() - Code Metrics - siriusphp/middleware - Measure and Improve Code Quality continuously with Scrutinizer

FrameRunner::__invoke() A
last analyzed 2016-06-16 12:48 UTC

↳ Parent: FrameRunner

Complexity

Conditions	3
Paths	4

Size

Total Lines	15
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
c	2
b	0
f	1
dl	0
loc	15
ccs	7
cts	7
cp	1
rs	9.4285
cc	3
eloc	7
nc	4
nop	1
crap	3

<?php

namespace Sirius\Middleware;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;

/**
 * FrameRunner Middleware inspired by this article
 * http://blog.ircmaxell.com/2016/05/all-about-middleware.html
 */
class FrameRunner
{

    /* @var runner */
    protected $next;

    protected $middleware;

    /**
     * Creates a runner based on an array of middleware
     *
     * @param array $middlewares
     * @return FrameRunner
     */
    public static function factory(array $middlewares = array())
    {
        $runner = null;
        foreach ($middlewares as $middleware) {
            $runner = $runner ? $runner->add($middleware) : new static($middleware);
        }
        return $runner;
    }

    public function __construct(callable $middleware)
    {
        $this->middleware = $middleware;
    }

    /**
     * Returns a new FrameRunner
     * @param callable $middleware
     * @return FrameRunner
     */
    public function add(callable $middleware)
    {
        $runner = new static($middleware);
        $runner->next = $this;


        return $runner;
    }

    /**
     * @param ServerRequestInterface $request
     * @return ResponseInterface
     * @throws \Exception
     */
    public function __invoke(ServerRequestInterface $request)
    {

        $next = $this->next ?: function (ServerRequestInterface $request) {

            throw new \Exception('The first middleware in the stack calls next when it shouldn\'t');
        };

        $response = call_user_func($this->middleware, $request, $next);

        if (!$response instanceof ResponseInterface) {
            throw new \Exception('Middleware is not returning a Response object');
        }

        return $response;
    }
}


1		<?php
2
3		namespace Sirius\Middleware;
4
5		use Psr\Http\Message\ResponseInterface;
6		use Psr\Http\Message\ServerRequestInterface;
7
8		/**
9		* FrameRunner Middleware inspired by this article
10		* http://blog.ircmaxell.com/2016/05/all-about-middleware.html
11		*/
12		class FrameRunner
13		{
14
15		/* @var runner */
16		protected $next;
17
18		protected $middleware;
19
20		/**
21		* Creates a runner based on an array of middleware
22		*
23		* @param array $middlewares
24		* @return FrameRunner
25		*/
26	1	public static function factory(array $middlewares = array())
27		{
28	1	$runner = null;
29	1	foreach ($middlewares as $middleware) {
30	1	$runner = $runner ? $runner->add($middleware) : new static($middleware);
31	1	}
32	1	return $runner;
33		}
34
35	5	public function __construct(callable $middleware)
36		{
37	5	$this->middleware = $middleware;
38	5	}
39
40		/**
41		* Returns a new FrameRunner
42		* @param callable $middleware
43		* @return FrameRunner
44		*/
45	3	public function add(callable $middleware)
46		{
47	3	$runner = new static($middleware);
48	3	$runner->next = $this;
		0 ignored issues – show Documentation Bug introduced 2016-06-10 06:34 UTC by Report Bug Copy Issue Report It seems like `$this` of type `this<Sirius\Middleware\FrameRunner>` is incompatible with the declared type `object<Sirius\Middleware\Runner>` of property `$next`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
49
50	3	return $runner;
51		}
52
53		/**
54		* @param ServerRequestInterface $request
55		* @return ResponseInterface
56		* @throws \Exception
57		*/
58		public function __invoke(ServerRequestInterface $request)
59		{
60
61	5	$next = $this->next ?: function (ServerRequestInterface $request) {
		0 ignored issues – show Unused Code introduced 2016-06-11 08:55 UTC by Report Bug Copy Issue Report The parameter `$request` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
62	1	throw new \Exception('The first middleware in the stack calls next when it shouldn\'t');
63	5	};
64
65	5	$response = call_user_func($this->middleware, $request, $next);
66
67	4	if (!$response instanceof ResponseInterface) {
68	1	throw new \Exception('Middleware is not returning a Response object');
69		}
70
71	3	return $response;
72		}
73		}
74

siriusphp / middleware

FrameRunner::__invoke() A last analyzed 2016-06-16 12:48 UTC

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FrameRunner::__invoke() A
last analyzed 2016-06-16 12:48 UTC