tentacles

"greabock/tentacles": "dev-master"

<? namespace App\User\Models;
use Illuminate\Database\Eloquent\Model;
use Greabock\Tentacles\EloquentTentacle;
User extends Model {
 
 use EloquentTentacle;
}

<?php namespace App\Article\Providers;
use Illuminate\Support\ServiceProvider;
use App\Article\Models\Article;
use App\User\Models\User;
use Illuminate\Database\Eloquent\Model;
class ArticleProvider extends ServiceProvider {
 public function register()
 {
 #..
 }
 
 public function boot()
 {
 User::addExternalMethod('articles', function()
 {
 return $this->hasMany(Article::class);
 });
 User::addExternalMethod('getFullnameAttribute', function()
 {
 return $this->first_name . '' . $this->last_name; 
 });
 }
 
}

$user = User::with('articles')->first();
$fullname = $user->fullname;