vikunja-api/pkg/migration/20210727211037.go

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// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2021 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 Affero General Public Licensee 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 Affero General Public Licensee for more details.
//
// You should have received a copy of the GNU Affero General Public Licensee
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package migration
import (
"math"
"src.techknowlogick.com/xormigrate"
"xorm.io/xorm"
)
type buckets20210727211037 struct {
ID int64 `xorm:"bigint autoincr not null" json:"id" param:"list"`
Position float64 `xorm:"double null" json:"position"`
}
func (buckets20210727211037) TableName() string {
return "buckets"
}
func init() {
migrations = append(migrations, &xormigrate.Migration{
ID: "20210727211037",
Description: "Add bucket position property",
Migrate: func(tx *xorm.Engine) error {
err := tx.Sync2(buckets20210727211037{})
if err != nil {
return err
}
buckets := []*buckets20210727211037{}
err = tx.Find(&buckets)
if err != nil {
return err
}
for _, bucket := range buckets {
bucket.Position = float64(bucket.ID) * math.Pow(2, 16)
_, err = tx.
Where("id = ?", bucket.ID).
Update(bucket)
if err != nil {
return err
}
}
return nil
},
Rollback: func(tx *xorm.Engine) error {
return nil
},
})
}