DirectBindingMiddlewareChain::append() - Code Metrics - gpslab/middleware - Measure and Improve Code Quality continuously with Scrutinizer

DirectBindingMiddlewareChain::append() A
last analyzed 2017-07-17 12:02 UTC

↳ Parent: DirectBindingMiddlewareChain

Complexity

Conditions	2
Paths	2

Size

Total Lines	13
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	13
ccs	8
cts	8
cp	1
rs	9.4285
cc	2
eloc	6
nc	2
nop	1
crap	2

<?php

/**
 * GpsLab component.
 *
 * @author    Peter Gribanov <[email protected]>
 * @copyright Copyright (c) 2011, Peter Gribanov
 * @license   http://opensource.org/licenses/MIT
 */

namespace GpsLab\Component\Middleware\Chain;

use GpsLab\Component\Middleware\Middleware;

class DirectBindingMiddlewareChain implements MiddlewareChain
{
    /**
     * @var Middleware[]
     */
    private $middlewares = [];

    /**
     * @param Middleware $middleware
     */
    public function append(Middleware $middleware)
    {
        $index = array_search($middleware, $this->middlewares);

        // move existing middleware to end of chain
        if ($index !== false) {
            unset($this->middlewares[$index]);
            // correct array indexes
            $this->middlewares = array_values($this->middlewares);
        }

        $this->middlewares[] = $middleware;
    }

    /**
     * @param mixed $message
     *
     * @return mixed
     */
    public function run($message)
    {
        return call_user_func($this->call(0), $message);
    }

    /**
     * @param int $index
     *
     * @return callable
     */
    private function call($index)
    {
        if (!isset($this->middlewares[$index])) {
            return function ($message) {
                return $message;
            };
        }

        $middleware = $this->middlewares[$index];

        return function ($message) use ($middleware, $index) {
            return $middleware->handle($message, $this->call($index + 1));
        };
    }
}


1		<?php
2
3		/**
4		* GpsLab component.
5		*
6		* @author Peter Gribanov <[email protected]>
7		* @copyright Copyright (c) 2011, Peter Gribanov
8		* @license http://opensource.org/licenses/MIT
9		*/
10
11		namespace GpsLab\Component\Middleware\Chain;
12
13		use GpsLab\Component\Middleware\Middleware;
14
15		class DirectBindingMiddlewareChain implements MiddlewareChain
16		{
17		/**
18		* @var Middleware[]
19		*/
20		private $middlewares = [];
21
22		/**
23		* @param Middleware $middleware
24		*/
25	1	public function append(Middleware $middleware)
26		{
27	1	$index = array_search($middleware, $this->middlewares);
28
29		// move existing middleware to end of chain
30	1	if ($index !== false) {
31	1	unset($this->middlewares[$index]);
32		// correct array indexes
33	1	$this->middlewares = array_values($this->middlewares);
34	1	}
35
36	1	$this->middlewares[] = $middleware;
37	1	}
38
39		/**
40		* @param mixed $message
41		*
42		* @return mixed
43		*/
44	2	public function run($message)
45		{
46	2	return call_user_func($this->call(0), $message);
47		}
48
49		/**
50		* @param int $index
51		*
52		* @return callable
53		*/
54	2	private function call($index)
55		{
56	2	if (!isset($this->middlewares[$index])) {
57		return function ($message) {
58	2	return $message;
59	2	};
60		}
61
62	1	$middleware = $this->middlewares[$index];
63
64	1	return function ($message) use ($middleware, $index) {
65	1	return $middleware->handle($message, $this->call($index + 1));
66	1	};
67		}
68		}
69

gpslab / middleware

DirectBindingMiddlewareChain::append() A last analyzed 2017-07-17 12:02 UTC

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DirectBindingMiddlewareChain::append() A
last analyzed 2017-07-17 12:02 UTC