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Pull Request — master (#15)
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unknown
03:27
created

MaxComplexityQueryVisitor::__construct()   A

↳ Parent: MaxComplexityQueryVisitor

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 5
rs 9.4285
ccs 4
cts 4
cp 1
cc 1
eloc 3
nc 1
nop 1
crap 1
1 
<?php
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namespace Youshido\GraphQL\Execution\Visitor;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Youshido\GraphQL\Field\AbstractField;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MaxComplexityQueryVisitor extends AbstractQueryVisitor {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  public $maxScore;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  protected $defaultScore = 1;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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  public function __construct($max) {

            


            
                                                                        
                            
            
                                    
            
            

                
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    parent::__construct();

            


            
                                                                        
                            
            
                                    
            
            

                
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    $this->maxScore = $max;

            


            
                                                                        
                            
            
                                    
            
            

                
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  }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  public function visit(AbstractField $field) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $cost = $field->getConfig()->get('cost');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    if (is_callable($cost)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      $cost = $cost();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $this->memo += $cost ?: $this->defaultScore;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    if ($this->memo > $this->maxScore) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      throw new \Exception('query exceeded max allowed complexity of ' . $this->maxScore);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return $this->memo;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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  }

            


            
                                                        
            
                                    
            
            

                
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}