admin.dukany.io/app/Models/User.php

<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

class User extends Authenticatable
{
    use Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name', 'email', 'password',
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
    ];

    public function restaurants(){
        return $this->hasOne('App\Models\Restaurants','user_id','id');
    }

    public function resto_users(){
        return $this->hasOne('App\Models\RestoUsers','user_id','id');
    }
	public function admin_users(){
        return $this->hasOne('App\Models\AdminUsers','user_id','id');
    }
}