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Attachable   A
last analyzed

↳ Parent: Project

Complexity

Total Complexity 8

Size/Duplication

Total Lines 42
Duplicated Lines 0 %

Coupling/Cohesion

Components 1
Dependencies 2

Importance

Changes 0
Metric Value
dl 0
loc 42
rs 10
c 0
b 0
f 0
wmc 8
lcom 1
cbo 2

4 Methods

Rating   Name   Duplication   Size   Complexity  
A boot() 0 9 1
B addAttachment() 0 15 5
A deleteAttachment() 0 4 1
A hasAttachments() 0 4 1
1 
<?php namespace Afrittella\BackProject\Traits;
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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 = [], $user_id = null)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (empty($user_id)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            if ($user = Auth::user()) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                $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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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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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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    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();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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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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    }

            


            
                                                        
            
                                    
            
            

                
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}