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PHPTransport::subscribe()   A
last analyzed

↳ Parent: PHPTransport

Complexity

Conditions 2
Paths 1

Size

Total Lines 9
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2.0185

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 5
nc 1
nop 2
dl 0
loc 9
ccs 5
cts 6
cp 0.8333
crap 2.0185
rs 10
c 1
b 0
f 0
1 
<?php
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namespace BenTools\MercurePHP\Transport\PHP;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use BenTools\MercurePHP\Security\TopicMatcher;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use BenTools\MercurePHP\Model\Message;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use BenTools\MercurePHP\Transport\TransportInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Evenement\EventEmitter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Evenement\EventEmitterInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use React\Promise\PromiseInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use function React\Promise\resolve;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class PHPTransport implements TransportInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private EventEmitterInterface $emitter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(?EventEmitterInterface $emitter = null)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->emitter = $emitter ?? new EventEmitter();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function publish(string $topic, Message $message): PromiseInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->emitter->emit('message', [$topic, $message]);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return resolve($message->getId());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function subscribe(string $subscribedTopic, callable $callback): PromiseInterface

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->emitter->on('message', function (string $topic, Message $message) use ($callback, $subscribedTopic) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            if (!TopicMatcher::matchesTopicSelectors($topic, [$subscribedTopic])) {

            


            
                                                                        
                            
            
                                    
            
            

                
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                return;

            


            
                                                                        
                            
            
                                    
            
            

                
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            }

            


            
                                                                        
                            
            
                                    
            
            

                
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            return $callback($topic, $message);

            


            
                                                                        
                            
            
                                    
            
            

                
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        });

            


            
                                                                        
                            
            
                                    
            
            

                
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        return resolve($subscribedTopic);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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