anonymous//src/Middleware/Chain.php$0 - Code Metrics - Inspection of "Chain test" - yiisoft/yii-web - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#138)

by Zhukov

created 2019-10-31 08:23 UTC

anonymous//src/Middleware/Chain.php$0 A

↳ Parent: Chain.php$0 ➔ wrap()

Complexity

Total Complexity

Size/Duplication

Total Lines	13
Duplicated Lines	0 %

Test Coverage

Coverage

50%

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
c	2
b	1
f	0
dl	0
loc	13
ccs	2
cts	4
cp	0.5
rs	10
wmc	2

<?php
namespace Yiisoft\Yii\Web\Middleware;

use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Chain executes middlewares in the order they are added to constructor.
 *
 * Use if you need to execute middlewares before or after the middleware
 * you already have.
 */
final class Chain implements MiddlewareInterface
{
    private $middlewares;

    public function __construct(MiddlewareInterface ...$middlewares)
    {
        $this->middlewares = $middlewares;
    }

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        for ($i = count($this->middlewares) - 1; $i > 0; $i--) {
            $handler = $this->wrap($this->middlewares[$i], $handler);
        }
        return $this->middlewares[0]->process($request, $handler);
    }

    /**
     * Wraps handler by middlewares
     */
    private function wrap(MiddlewareInterface $middleware, RequestHandlerInterface $handler): RequestHandlerInterface
    {
        return new class($middleware, $handler) implements RequestHandlerInterface {
            private $middleware;
            private $handler;

            public function __construct(MiddlewareInterface $middleware, RequestHandlerInterface $handler)
            {
                $this->middleware = $middleware;
                $this->handler = $handler;
            }

            public function handle(ServerRequestInterface $request): ResponseInterface
            {
                return $this->middleware->process($request, $this->handler);
            }
        };
    }
}


1		<?php
2		namespace Yiisoft\Yii\Web\Middleware;
3
4		use Psr\Http\Server\MiddlewareInterface;
5		use Psr\Http\Server\RequestHandlerInterface;
6		use Psr\Http\Message\ServerRequestInterface;
7		use Psr\Http\Message\ResponseInterface;
8
9		/**
10		* Chain executes middlewares in the order they are added to constructor.
11		*
12		* Use if you need to execute middlewares before or after the middleware
13		* you already have.
14		*/
15		final class Chain implements MiddlewareInterface
16		{
17		private $middlewares;
18
19		public function __construct(MiddlewareInterface ...$middlewares)
20		{
21		$this->middlewares = $middlewares;
22		}
23
24		public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
25		{
26		for ($i = count($this->middlewares) - 1; $i > 0; $i--) {
27		$handler = $this->wrap($this->middlewares[$i], $handler);
28		}
29		return $this->middlewares[0]->process($request, $handler);
30		}
31
32		/**
33		* Wraps handler by middlewares
34		*/
35	1	private function wrap(MiddlewareInterface $middleware, RequestHandlerInterface $handler): RequestHandlerInterface
36		{
37		return new class($middleware, $handler) implements RequestHandlerInterface {
38		private $middleware;
39		private $handler;
40
41		public function __construct(MiddlewareInterface $middleware, RequestHandlerInterface $handler)
42		{
43	1	$this->middleware = $middleware;
44	1	$this->handler = $handler;
45		}
46
47		public function handle(ServerRequestInterface $request): ResponseInterface
48		{
49		return $this->middleware->process($request, $this->handler);
50		}
51		};
52		}
53		}
54

yiisoft / yii-web

Pull Request — master (#138)

anonymous//src/Middleware/Chain.php$0 A

Complexity

Size/Duplication

Test Coverage

Importance

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