sam-api/app/Models/Orders/OrderItem.php

<?php

namespace App\Models\Orders;

use App\Models\Items\Item;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * @mixin IdeHelperOrderItem
 */
class OrderItem extends Model
{
    use SoftDeletes;

    // 주문 상세
    protected $table = 'order_items';

    protected $fillable = [
        'tenant_id', 'order_id', 'serial_no', 'item_id', 'quantity',
        'status_code', 'design_code', 'remarks', 'attributes',
    ];

    // 투입 구성(자재/BOM 등)
    public function components()
    {
        return $this->hasMany(OrderItemComponent::class);
    }

    public function order()
    {
        return $this->belongsTo(Order::class);
    }

    // 품목 (통합 items 테이블)
    public function item()
    {
        return $this->belongsTo(Item::class, 'item_id');
    }
}