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by Alexandr
9s
created

CronMonthFormatValidator::validate()   A

↳ Parent: CronMonthFormatValidator

Complexity

Conditions 4
Paths 2

Size

Total Lines 8
Code Lines 5

Duplication

Lines 8
Ratio 100 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 8
loc 8
rs 9.2
cc 4
eloc 5
nc 2
nop 2
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace FOA\CronBundle\Validator\Constraints;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Component\Validator\Constraint;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Component\Validator\ConstraintValidator;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @author JM Leroux <[email protected]>

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            

                
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                View Code Duplication
                
class CronMonthFormatValidator extends ConstraintValidator

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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            Duplication
    
    
    
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This class seems to be duplicated in your project.
                                            

                                            
                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Duplicated code is one of the most pungent code smells. If you need to duplicate
the same code in three or more different places, we strongly encourage you to
look into extracting the code into a single class or operation.


You can also find more detailed suggestions in the “Code” section of your repository.


                        

                                                    

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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string|int $value

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param Constraint $constraint

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                        
            
                                    
            
            

                
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    public function validate($value, Constraint $constraint)

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        if (is_numeric($value) && ($value < 1 || $value > 12)) {

            


            
                                                        
            
                                    
            
            

                
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            $this->context->buildViolation($constraint->message)

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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It seems like you code against a concrete implementation and not the interface Symfony\Component\Valida...ecutionContextInterface as the method buildViolation() does only exist in the following implementations of said interface: Symfony\Component\Valida...ontext\ExecutionContext, Symfony\Component\Valida...\LegacyExecutionContext.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Let’s take a look at an example:


interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}





In the above example, the authenticate() method works fine as long as you just pass
instances of MyUser. However, if you now also want to pass a different implementation
of User which does not have a getDisplayName() method, the code will break.




Available Fixes


  1. Change the type-hint for the parameter:
    

    class AuthSystem
{
    public function authenticate(MyUser $user) { /* ... */ }
}

    

    

    2. 

  2. Add an additional type-check:
    

    class AuthSystem
{
    public function authenticate(User $user)
    {
        if ($user instanceof MyUser) {
            $this->logger->info(/** ... */);
        }

        // or alternatively
        if ( ! $user instanceof MyUser) {
            throw new \LogicException(
                '$user must be an instance of MyUser, '
               .'other instances are not supported.'
            );
        }

    }
}

    

    

    3. 




 Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types
inside the if block in such a case.


  1. Add the method to the interface:
    

    interface User
{
    /** @return string */
    public function getPassword();

    /** @return string */
    public function getDisplayName();
}

    

    

    2. 



                        

                                                    

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                ->setParameter('%string%', $value)

            


            
                                                        
            
                                    
            
            

                
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                ->addViolation();

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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