RomhackPlaza/app/Models/Author.php

<?php

namespace App\Models;

use App\Auth\XenForoUser;
use App\Services\XenforoService;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Author extends Model
{
    protected $fillable = [
        'name', 'slug', 'user_id', 'website'
    ];

    public function entries(): BelongsToMany
    {
        return $this->belongsToMany(Entry::class, 'entry_authors');
    }

    public function user(): ?XenForoUser
    {
        if( !$this->user_id )
            return null;

        return app(XenforoService::class)->getXfUser($this->user_id);
    }

}