class UserItem extends Pivot
{
    use Uuids;

    /**
     * Indicates if the IDs are auto-incrementing.
     * @var bool
     */
    public $incrementing = false;

    /**
     * The "type" of the auto-incrementing ID.
     * @var string
     */
    public $keyType = 'string';

    /**
     * Create a new pivot model from raw values returned from a query.
     * @param  \Illuminate\Database\Eloquent\Model $parent
     * @param  array $attributes
     * @param  string $table
     * @param  bool $exists
     * @return static
     * @throws \Exception
     */
    public static function fromRawAttributes(Model $parent, $attributes, $table, $exists = false)
    {
        if (!$exists and !array_key_exists('id', $attributes)) {
            $attributes['id'] = Uuid::generate()->string;
        }
        return parent::fromRawAttributes($parent, $attributes, $table, $exists);
    }
}