package models import ( "database/sql" "time" ) type Place struct { ID uint64 `db:"id"` Title string `db:"title"` ParentID sql.NullInt64 `db:"parent_id"` CreatedAt time.Time `db:"created_at"` UpdatedAt time.Time `db:"updated_at"` } type AddPlaceRequest struct { Title string ParentID sql.NullInt64 } type UpdatePlaceRequest struct { ID uint64 Title string ParentID sql.NullInt64 }