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by Alessandro
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CurrencyConverter::convert()   A

↳ Parent: CurrencyConverter

Complexity

Conditions 1
Paths 1

Size

Total Lines 11

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 11
ccs 6
cts 6
cp 1
rs 9.9
c 0
b 0
f 0
cc 1
nc 1
nop 3
crap 1
1 
<?php
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namespace CurrencyConverter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class CurrencyConverter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $fromCurrency;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $toCurrency;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $apiKey;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $apiCaller;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(string $apiKey)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->apiKey = $apiKey;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->apiCaller = new ApiCaller($apiKey);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function convert(string $fromCurrency, string $toCurrency, $amount) :float

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->fromCurrency = $fromCurrency;

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->toCurrency = $toCurrency;

            


            
                                                                        
                            
            
                                    
            
            

                
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        $rates = new Rates($this->apiCaller);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $rate = $rates->getRates($fromCurrency, $toCurrency);

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $this->calculateValue($rate, $amount);

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function calculateValue($rate, $amount) :float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $value = (double)$rate * (double)$amount;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return number_format((double)$value, 2, '.', '');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setApiCaller(ApiCaller $apiCaller)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->apiCaller = $apiCaller;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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