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Pull Request — master (#6)
by Artem
02:52 queued 45s
created

ContainerAwareResolver::resolve()   A

↳ Parent: ContainerAwareResolver

Complexity

Conditions 3
Paths 5

Size

Total Lines 15
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 9
CRAP Score 3

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 3
eloc 9
c 2
b 0
f 0
nc 5
nop 1
dl 0
loc 15
ccs 9
cts 9
cp 1
crap 3
rs 9.9666
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Prozorov\Repositories\Resolvers;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Prozorov\Repositories\Contracts\{RepositoryInterface, ResolverInterface};

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Prozorov\Repositories\Exceptions\CouldNotResolve;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Psr\Container\{ContainerInterface, ContainerExceptionInterface};

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class ContainerAwareResolver implements ResolverInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var ContainerInterface $container

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $container;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(ContainerInterface $container)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->container = $container;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @inheritDoc

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function resolve(string $className): RepositoryInterface

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        try {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $resolved = $this->container->get($className);

            


            
                                                                        
                            
            
                                    
            
            

                
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            if (! ($resolved instanceof RepositoryInterface)) {

            


            
                                                                        
                            
            
                                    
            
            

                
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                $class = get_class($resolved);

            


            
                                                                        
                            
            
                                    
            
            

                
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                $message = $class . ' does not implements RepositoryInterface. Refer to documentation';

            


            
                                                                        
                            
            
                                    
            
            

                
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                $this->fail($className, $message);

            


            
                                                                        
                            
            
                                    
            
            

                
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            }

            


            
                                                                        
                            
            
                                    
            
            

                
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            return $resolved;

            


            
                                                                        
                            
            
                                    
            
            

                
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        } catch (ContainerExceptionInterface $exception) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $this->fail($className, $exception->getMessage());

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                                                                        
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
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The method getMessage() does not exist on Psr\Container\ContainerExceptionInterface. It seems like you code against a sub-type of said class. However, the method does not exist in Psr\Container\NotFoundExceptionInterface. Are you sure you never get one of those?
                                                                                   (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-call   annotation

                                    

                                        

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            $this->fail($className, $exception->/** @scrutinizer ignore-call */ getMessage());

                                        

                                                                            

                                

                                                                                                                                                                                                                                    

                    
                                                    

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In this branch, the function will implicitly return null which is incompatible with the type-hinted return Prozorov\Repositories\Co...cts\RepositoryInterface. Consider adding a return statement or allowing null as return value.
                                                                                                

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type.
Let?s take a look at an example:


interface ReturnsInt {
    public function returnsIntHinted(): int;
}

class MyClass implements ReturnsInt {
    public function returnsIntHinted(): int
    {
        if (foo()) {
            return 123;
        }
        // here: null is implicitly returned
    }
}





                        

                                                    

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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * fail.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @access    protected

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $className

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $message

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return    void

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected function fail(string $className, string $message = ''): void

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $exception = new CouldNotResolve($message);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $exception->setRepositoryCode($className);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        throw $exception;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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