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1<?php
2
3declare(strict_types=1);
4
5namespace Celemas\Core;
6
7use Laminas\HttpHandlerRunner\Emitter\EmitterInterface;
8use Laminas\HttpHandlerRunner\Emitter\EmitterStack;
9use Laminas\HttpHandlerRunner\Emitter\SapiEmitter;
10use Laminas\HttpHandlerRunner\Emitter\SapiStreamEmitter;
11use Override;
12use Psr\Http\Message\ResponseInterface;
13
14final class Emitter implements EmitterInterface
15{
16    protected EmitterStack $stack;
17
18    public function __construct(int $maxBufferLength = 8192)
19    {
20        $sapiStreamEmitter = new SapiStreamEmitter($maxBufferLength);
21        $conditionalEmitter = new class($sapiStreamEmitter) implements EmitterInterface {
22            private EmitterInterface $emitter;
23
24            public function __construct(EmitterInterface $emitter)
25            {
26                $this->emitter = $emitter;
27            }
28
29            #[Override]
30            public function emit(ResponseInterface $response): bool
31            {
32                if (!$response->hasHeader('Content-Disposition') && !$response->hasHeader('Content-Range')) {
33                    return false;
34                }
35
36                return $this->emitter->emit($response);
37            }
38        };
39
40        $this->stack = new EmitterStack();
41        $this->stack->push(new SapiEmitter());
42        $this->stack->push($conditionalEmitter);
43    }
44
45    #[Override]
46    public function emit(ResponseInterface $response): bool
47    {
48        return $this->stack->emit($response);
49    }
50}