sam-api/app/Models/Products/Part.php

<?php

namespace App\Models\Products;

use App\Models\Commons\Tag;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * @mixin IdeHelperPart
 */
class Part extends Model
{
    use SoftDeletes;

    protected $fillable = ['tenant_id', 'code', 'name', 'category_id', 'part_type_id', 'unit', 'attributes', 'description', 'is_active'];

    public function category()
    {
        return $this->belongsTo(CommonCode::class, 'category_id');
    }

    public function partType()
    {
        return $this->belongsTo(CommonCode::class, 'part_type_id');
    }

    // 태그 목록 (N:M, 폴리모픽)
    public function tags()
    {
        return $this->morphToMany(Tag::class, 'taggable');
    }
}