/home2/mshostin/carnival.ms-hostingladz.com/app/Models/Order.php
<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Order extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'order_num',
        'shipping_price',
        'payment_method',
        'total_amount',
    ];

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function items()
    {
        return $this->hasMany(OrderItem::class);
    }

    public function billing()
    {
        return $this->hasOne(OrdersBilling::class, 'order_id');
    }

    public function shipping()
    {
        return $this->hasOne(OrderShipping::class, 'order_id');
    }

    public function details()
    {
        return $this->hasMany(OrderDetails::class);
    }
}