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Completed
Push — master ( e3a73f...40fe4a )
by dan
02:29
created

BaseFormatter::format()   A

↳ Parent: BaseFormatter

Complexity

Conditions 3
Paths 2

Size

Total Lines 13
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 13
rs 9.4285
c 0
b 0
f 0
cc 3
eloc 8
nc 2
nop 1
1 
<?php
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namespace IrishDan\NotificationBundle\Formatter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use IrishDan\NotificationBundle\Notification\NotificationInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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abstract class BaseFormatter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $twig;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $eventDispatcher;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setTemplating(\Twig_Environment $twig)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->twig = $twig;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setDispatcher(EventDispatcherInterface $eventDispatcher)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->eventDispatcher = $eventDispatcher;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected function renderTwigTemplate($data, $user, $template)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->twig->render(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $template,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                'data' => $data,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                'user' => $user,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            ]

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function format(NotificationInterface $notification)

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        if (!empty($this->twig) && $notification->getTemplate()) {

            


            
                                                        
            
                                    
            
            

                
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            $data         = $notification->getDataArray();

            


            
                                                        
            
                                    
            
            

                
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            $data['body'] = $this->renderTwigTemplate(

            


            
                                                        
            
                                    
            
            

                
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                $data,

            


            
                                                        
            
                                    
            
            

                
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                $notification->getNotifiable(),

            


            
                                                        
            
                                    
            
            

                
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                $notification->getTemplate()

            


            
                                                        
            
                                    
            
            

                
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            );

            


            
                                                        
            
                                    
            
            

                
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            $notification->setDataArray($data);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
It seems like you code against a concrete implementation and not the interface IrishDan\NotificationBun...n\NotificationInterface as the method setDataArray() does only exist in the following implementations of said interface: IrishDan\NotificationBun...cation\TestNotification.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
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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        }

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}