1
|
|
|
<?php declare(strict_types=1); |
2
|
|
|
|
3
|
|
|
namespace ApiClients\Middleware\Timer\ResponseBody; |
4
|
|
|
|
5
|
|
|
use ApiClients\Foundation\Middleware\ErrorTrait; |
6
|
|
|
use ApiClients\Foundation\Middleware\MiddlewareInterface; |
7
|
|
|
use ApiClients\Foundation\Middleware\Priority; |
8
|
|
|
use Psr\Http\Message\RequestInterface; |
9
|
|
|
use Psr\Http\Message\ResponseInterface; |
10
|
|
|
use React\Promise\CancellablePromiseInterface; |
11
|
|
|
use function React\Promise\resolve; |
12
|
|
|
|
13
|
|
|
final class Middleware implements MiddlewareInterface |
14
|
|
|
{ |
15
|
|
|
use ErrorTrait; |
16
|
|
|
|
17
|
|
|
const HEADER = 'X-Middleware-Timer-Response-Body'; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* @var float |
21
|
|
|
*/ |
22
|
|
|
private $time; |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* Return the processed $request via a fulfilled promise. |
26
|
|
|
* When implementing cache or other feature that returns a response, do it with a rejected promise. |
27
|
|
|
* If neither is possible, e.g. on some kind of failure, resolve the unaltered request. |
28
|
|
|
* |
29
|
|
|
* @param RequestInterface $request |
30
|
|
|
* @param array $options |
31
|
|
|
* @return CancellablePromiseInterface |
32
|
|
|
*/ |
33
|
1 |
|
public function pre(RequestInterface $request, array $options = []): CancellablePromiseInterface |
34
|
|
|
{ |
35
|
1 |
|
$this->time = microtime(true); |
36
|
|
|
|
37
|
1 |
|
return resolve($request); |
38
|
|
|
} |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* Return the processed $response via a promise. |
42
|
|
|
* |
43
|
|
|
* @param ResponseInterface $response |
44
|
|
|
* @param array $options |
45
|
|
|
* @return CancellablePromiseInterface |
46
|
|
|
*/ |
47
|
1 |
|
public function post(ResponseInterface $response, array $options = []): CancellablePromiseInterface |
48
|
|
|
{ |
49
|
1 |
|
$time = microtime(true) - $this->time; |
50
|
|
|
|
51
|
1 |
|
return resolve($response->withAddedHeader(self::HEADER, (string)$time)); |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Priority ranging from 0 to 1000. Where 1000 will be executed first on `pre` and 0 last on `pre`. |
56
|
|
|
* For `post` the order is reversed. |
57
|
|
|
* |
58
|
|
|
* @return int |
59
|
|
|
*/ |
60
|
|
|
public function priority(): int |
61
|
|
|
{ |
62
|
|
|
return Priority::SECOND_LAST; |
63
|
|
|
} |
64
|
|
|
} |
65
|
|
|
|