package pgsql

import (
	"github.com/coreos/clair/database"
	cerrors "github.com/coreos/clair/utils/errors"
)

func (pgSQL *pgSQL) insertNamespace(namespace database.Namespace) (int, error) {
	if namespace.Name == "" {
		return 0, cerrors.NewBadRequestError("could not find/insert invalid Namespace")
	}

	if pgSQL.cache != nil {
		if id, found := pgSQL.cache.Get("namespace:" + namespace.Name); found {
			return id.(int), nil
		}
	}

	var id int
	err := pgSQL.QueryRow(getQuery("soi_namespace"), namespace.Name).Scan(&id)
	if err != nil {
		return 0, handleError("soi_namespace", err)
	}

	if pgSQL.cache != nil {
		pgSQL.cache.Add("namespace:"+namespace.Name, id)
	}

	return id, nil
}