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Completed
Push — master ( 1c82f8...7d30e4 )
by Andrea
03:06
created

Attachable   A

↳ Parent: Project

Complexity

Total Complexity 6

Size/Duplication

Total Lines 40
Duplicated Lines 0 %

Coupling/Cohesion

Components 1
Dependencies 2

Importance

Changes 0
Metric Value
dl 0
loc 40
rs 10
c 0
b 0
f 0
wmc 6
lcom 1
cbo 2

4 Methods

Rating   Name   Duplication   Size   Complexity  
A boot() 0 9 1
A addAttachment() 0 13 3
A deleteAttachment() 0 4 1
A hasAttachments() 0 4 1
1 
<?php namespace Afrittella\BackProject\Traits;
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use Afrittella\BackProject\Models\Attachment;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Illuminate\Support\Facades\Auth;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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trait Attachable

            


            
                                                                        
                            
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function boot()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        parent::boot();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        // When we delete a model, are deleted also 'attachables' records

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        static::deleting(function($model) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $model->attachments()->sync([]);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        });

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function addAttachment($data = [])

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $user = Auth::user();

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        // If morphOne attachment, and one attachment is present, we must delete it

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (!$this->multi and $this->hasAttachments()) {

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                                                                        
                        

                            
                            
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The property multi does not exist. Did you maybe forget to declare it?
                                                                                                

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
In PHP it is possible to write to properties without declaring them. For example,
the following is perfectly valid PHP code:


class MyClass { }

$x = new MyClass();
$x->foo = true;





Generally, it is a good practice to explictly declare properties to avoid
accidental typos and provide IDE auto-completion:


class MyClass {
    public $foo;
}

$x = new MyClass();
$x->foo = true;





                        

                                                    

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            Comprehensibility
            Best Practice
    
    
    
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Using logical operators such as and instead of && is generally not recommended.
                                                                                                                                                    

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
PHP has two types of connecting operators (logical operators, and boolean operators):


 
Logical Operators
Boolean Operator

AND - meaning
and
&&

OR - meaning
or
||

The difference between these is the order in which they are executed. In most cases,
you would want to use a boolean operator like &&, or ||.


Let’s take a look at a few examples:


// Logical operators have lower precedence:
$f = false or true;

// is executed like this:
($f = false) or true;


// Boolean operators have higher precedence:
$f = false || true;

// is executed like this:
$f = (false || true);







Logical Operators are used for Control-Flow


One case where you explicitly want to use logical operators is for control-flow
such as this:


$x === 5
    or die('$x must be 5.');

// Instead of
if ($x !== 5) {
    die('$x must be 5.');
}





Since die introduces problems of its own, f.e. it makes our code hardly
testable, and prevents any kind of more sophisticated error handling; you probably
do not want to use this in real-world code. Unfortunately, logical operators
cannot be combined with throw at this point:


// The following is currently a parse error.
$x === 5
    or throw new RuntimeException('$x must be 5.');





These limitations lead to logical operators rarely being of use in current
PHP code.




                        

                                                    

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            $this->deleteAttachment($this->getAttachment());

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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It seems like getAttachment() must be provided by classes using this trait. How about adding it as abstract method to this trait?
                                                                                                

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
This check looks for methods that are used by a trait but not required by it.


To illustrate, let’s look at the following code example


trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}





The trait Idable provides a method equalsId that in turn relies on the
method getId(). If this method does not exist on a class mixing in this
trait, the method will fail.


Adding the getId() as an abstract method to the trait will make sure it
is available.


                        

                                                    

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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->attachments()->create(array_merge($data, ['user_id' => $user->id]));

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                                                                        
                        

                            
                            
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Accessing id on the interface Illuminate\Contracts\Auth\Authenticatable suggest that you code against a concrete implementation. How about adding an instanceof check?
                                                                                                                                                    

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
If you access a property on an interface, you most likely code against a
concrete implementation of the interface.




Available Fixes


  1. Adding an additional type check:
    

    interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}

    

    

    2. 

  2. Changing the type hint:
    

    interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeClass $object) {
    $a = $object->a;
}

    

    

    3. 



                        

                                                    

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The method attachments() does not exist on Afrittella\BackProject\Traits\Attachable. Did you maybe mean hasAttachments()?
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
This check marks calls to methods that do not seem to exist on an object.


This is most likely the result of a method being renamed without all references to it being
renamed likewise.


                        

                                                    

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        //return $attachment->save();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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            Unused Code
            Comprehensibility
    
    
    
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75% of this comment could be valid code. Did you maybe forget this after debugging?
                                                                                                

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have
checked you do not need it.


The code might also have been commented out for debugging purposes. In this case it is vital that
someone uncomments it again or your project may behave in very unexpected ways in production.


This check looks for comments that seem to be mostly valid code and reports them.


                        

                                                    

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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function deleteAttachment(Attachment $attachment)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $attachment->delete();

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    /**

            


            
                                                                        
                            
            
                                    
            
            

                
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     * Check if model has attachments

            


            
                                                                        
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function hasAttachments()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return (bool) $this->attachments()->count();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

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                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
The method attachments() does not exist on Afrittella\BackProject\Traits\Attachable. Did you maybe mean hasAttachments()?
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
This check marks calls to methods that do not seem to exist on an object.


This is most likely the result of a method being renamed without all references to it being
renamed likewise.


                        

                                                    

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    }

            


            
                                                        
            
                                    
            
            

                
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}