// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package migration

import (
	"code.vikunja.io/api/pkg/models"
	"src.techknowlogick.com/xormigrate"
	"xorm.io/xorm"
)

func init() {
	migrations = append(migrations, &xormigrate.Migration{
		ID:          "20200516123847",
		Description: "Generate a list identifier for each list",
		Migrate: func(tx *xorm.Engine) error {
			lists := []*models.List{}
			err := tx.Find(&lists)
			if err != nil {
				return err
			}

			for _, l := range lists {
				if l.Identifier != "" {
					continue
				}

				err := models.GenerateListIdentifier(l, tx)
				if err != nil {
					return err
				}
				_, err = tx.Where("id = ?", l.ID).Update(l)
				if err != nil {
					return err
				}
			}

			return nil
		},
		Rollback: func(tx *xorm.Engine) error {
			return nil
		},
	})
}