├── LICENSE
├── composer.json
└── src
    └── RetryingMiddleware.php


/LICENSE:
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 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2016-2018 Alt Three Services Limited
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in
13 | all copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 | THE SOFTWARE.
22 | 


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/composer.json:
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 1 | {
 2 |     "name": "alt-three/retry",
 3 |     "description": "A Command Retry Middleware For Laravel 5",
 4 |     "keywords": ["retry", "retrying", "Retry", "Alt Three"],
 5 |     "license": "MIT",
 6 |     "authors": [
 7 |         {
 8 |             "name": "Alt Three",
 9 |             "email": "support@alt-three.com"
10 |         }
11 |     ],
12 |     "require": {
13 |         "php": "^7.1.3",
14 |         "illuminate/contracts": "5.5.*|5.6.*|5.7.*",
15 |         "illuminate/support": "5.5.*|5.6.*|5.7.*"
16 |     },
17 |     "require-dev": {
18 |         "graham-campbell/analyzer": "^2.1",
19 |         "phpunit/phpunit": "^6.5|^7.0"
20 |     },
21 |     "autoload": {
22 |         "psr-4": {
23 |             "AltThree\\Retry\\": "src/"
24 |         }
25 |     },
26 |     "autoload-dev": {
27 |         "psr-4": {
28 |             "AltThree\\Tests\\Retry\\": "tests/"
29 |         }
30 |     },
31 |     "config": {
32 |         "preferred-install": "dist"
33 |     },
34 |     "extra": {
35 |         "branch-alias": {
36 |             "dev-master": "3.1-dev"
37 |         }
38 |     },
39 |     "minimum-stability": "dev",
40 |     "prefer-stable": true
41 | }
42 | 


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/src/RetryingMiddleware.php:
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 1 | <?php
 2 | 
 3 | declare(strict_types=1);
 4 | 
 5 | /*
 6 |  * This file is part of Alt Three Retry.
 7 |  *
 8 |  * (c) Alt Three Services Limited
 9 |  *
10 |  * For the full copyright and license information, please view the LICENSE
11 |  * file that was distributed with this source code.
12 |  */
13 | 
14 | namespace AltThree\Retry;
15 | 
16 | use Closure;
17 | use Exception;
18 | 
19 | /**
20 |  * This is the command retrying middleware class.
21 |  *
22 |  * @author Graham Campbell <graham@alt-three.com>
23 |  */
24 | class RetryingMiddleware
25 | {
26 |     /**
27 |      * Retry the command execution.
28 |      *
29 |      * @param object   $command
30 |      * @param \Closure $next
31 |      *
32 |      * @return void
33 |      */
34 |     public function handle($command, Closure $next)
35 |     {
36 |         if (property_exists($command, 'attempts')) {
37 |             if ($backoff = property_exists($command, 'backoff')) {
38 |                 $min = $command->backoff * 500;
39 |                 $max = $command->backoff * 1500;
40 |             }
41 | 
42 |             $attempts = 0;
43 | 
44 |             while (++$attempts) {
45 |                 try {
46 |                     return $next($command);
47 |                 } catch (Exception $e) {
48 |                     if ($attempts >= $command->attempts) {
49 |                         throw $e;
50 |                     } elseif ($backoff) {
51 |                         usleep(random_int($min, $max));
52 |                     }
53 |                 }
54 |             }
55 |         }
56 | 
57 |         return $next($command);
58 |     }
59 | }
60 | 


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