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MemcachedCollector::collect()   A

↳ Parent: MemcachedCollector

Complexity

Conditions 3
Paths 3

Size

Total Lines 13
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 2
Bugs 0 Features 0
Metric Value
c 2
b 0
f 0
dl 0
loc 13
rs 9.4286
cc 3
eloc 7
nc 3
nop 0
1 
<?php
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namespace Sokil\FraudDetector\Collector;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @property \Memcached $storage Instance of \Memcached storage

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MemcachedCollector extends AbstractCollector

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var \Memcached

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $memcached;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setMemcached(\Memcached $memcached)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->memcached = $memcached;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function isRateLimitExceed()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $requestNum = $this->memcached->get($this->key);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        // is key not exists

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if(\Memcached::RES_NOTFOUND === $this->memcached->getResultCode()) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        // is requests limit reached

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $requestNum >= $this->requestNum;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function collect()

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $newValue = $this->memcached->increment($this->key);

            


            
                                                        
            
                                    
            
            

                
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        if(false !== $newValue) {

            


            
                                                        
            
                                    
            
            

                
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            return $this;

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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        if(\Memcached::RES_NOTFOUND !== $this->memcached->getResultCode()) {

            


            
                                                        
            
                                    
            
            

                
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            throw new \Exception('Error collecting value');

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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        $this->memcached->set($this->key, 1, time() + $this->timeInterval);

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}