vikunja-api/pkg/migration/20190922205826.go
2020-12-23 16:41:52 +01:00

96 lines
3 KiB
Go

// Copyright 2018-2020 Vikunja and contriubtors. All rights reserved.
//
// This file is part of Vikunja.
//
// Vikunja 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.
//
// Vikunja 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 Vikunja. If not, see <https://www.gnu.org/licenses/>.
package migration
import (
"code.vikunja.io/api/pkg/models"
"src.techknowlogick.com/xormigrate"
"xorm.io/xorm"
)
// TaskRelation represents a kind of relation between two tasks
type taskRelation20190922205826 struct {
ID int64 `xorm:"int(11) autoincr not null unique pk"`
TaskID int64 `xorm:"int(11) not null"`
OtherTaskID int64 `xorm:"int(11) not null"`
RelationKind models.RelationKind `xorm:"varchar(50) not null"`
CreatedByID int64 `xorm:"int(11) not null"`
Created int64 `xorm:"created not null"`
}
// TableName holds the table name for the task relation table
func (taskRelation20190922205826) TableName() string {
return "task_relations"
}
type task20190922205826 struct {
ID int64 `xorm:"int(11) autoincr not null unique pk"`
CreatedByID int64 `xorm:"int(11) not null"`
ParentTaskID int64 `xorm:"int(11) INDEX null"`
}
func (task20190922205826) TableName() string {
return "tasks"
}
func init() {
migrations = append(migrations, &xormigrate.Migration{
ID: "20190922205826",
Description: "Add task relations",
Migrate: func(tx *xorm.Engine) error {
err := tx.Sync2(taskRelation20190922205826{})
if err != nil {
return err
}
// Get all current subtasks and put them in a new table
tasks := []*task20190922205826{}
err = tx.Where("parent_task_id is not null OR parent_task_id != 0").Find(&tasks)
if err != nil {
return err
}
var migratedRelations = make([]*taskRelation20190922205826, 0, len(tasks)*2)
for _, t := range tasks {
migratedRelations = append(migratedRelations,
&taskRelation20190922205826{
TaskID: t.ID,
OtherTaskID: t.ParentTaskID,
RelationKind: models.RelationKindParenttask,
CreatedByID: t.CreatedByID,
},
&taskRelation20190922205826{
TaskID: t.ParentTaskID,
OtherTaskID: t.ID,
RelationKind: models.RelationKindSubtask,
CreatedByID: t.CreatedByID,
})
}
_, err = tx.Insert(migratedRelations)
if err != nil {
return err
}
return dropTableColum(tx, "tasks", "parent_task_id")
},
Rollback: func(tx *xorm.Engine) error {
return tx.DropTables(taskRelation20190922205826{})
},
})
}