Completed
Pull Request — master (#115)
by Phil
02:51
created

ExecutionChain::buildExecutionChain()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 16
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 16
ccs 0
cts 12
cp 0
rs 9.4285
cc 2
eloc 8
nc 2
nop 0
crap 6
1
<?php
2
3
namespace League\Route\Middleware;
4
5
use \Psr\Http\Message\ResponseInterface;
6
use \Psr\Http\Message\ServerRequestInterface;
7
8
class ExecutionChain implements StackAwareInterface
9
{
10
    use StackAwareTrait;
11
12
    /**
13
     * Build and execute the chain.
14
     *
15
     * @param \Psr\Http\Message\ServerRequestInterface $request
16
     * @param \Psr\Http\Message\ResponseInterface      $response
17
     *
18
     * @return \Psr\Http\Message\ResponseInterface
19
     */
20
    public function execute(ServerRequestInterface $request, ResponseInterface $response)
21
    {
22
        $chain = $this->buildExecutionChain();
23
        return $chain($request, $response);
24
    }
25
26
    /**
27
     * Build an execution chain.
28
     *
29
     * @return callable
30
     */
31
    protected function buildExecutionChain()
32
    {
33
        $stack = $this->getMiddlewareStack();
34
35
        $next = function (ServerRequestInterface $request, ResponseInterface $response) {
36
            return $response;
37
        };
38
39
        foreach ($stack as $middleware) {
40
            $next = function (ServerRequestInterface $request, ResponseInterface $response) use ($middleware, $next) {
41
                return $middleware($request, $response, $next);
42
            };
43
        }
44
45
        return $next;
46
    }
47
}
48