vikunja-api/pkg/migration/20200425182634.go

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// 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: "20200425182634",
Description: "Create one bucket for each list",
Migrate: func(tx *xorm.Engine) (err error) {
lists := []*models.List{}
err = tx.Find(&lists)
if err != nil {
return
}
tasks := []*models.Task{}
err = tx.Find(&tasks)
if err != nil {
return
}
// This map contains all buckets with their list ids as key
buckets := make(map[int64]*models.Bucket, len(lists))
for _, l := range lists {
buckets[l.ID] = &models.Bucket{
ListID: l.ID,
Title: "New Bucket",
// The bucket creator is just the same as the list's one
CreatedByID: l.OwnerID,
}
_, err = tx.Insert(buckets[l.ID])
if err != nil {
return
}
for _, t := range tasks {
if t.ListID != l.ID {
continue
}
t.BucketID = buckets[l.ID].ID
_, err = tx.Where("id = ?", t.ID).Update(t)
if err != nil {
return
}
}
}
return
},
Rollback: func(tx *xorm.Engine) error {
return nil
},
})
}