forked from vikunja/vikunja
96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package migration
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import (
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"code.vikunja.io/api/pkg/models"
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"src.techknowlogick.com/xormigrate"
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"xorm.io/xorm"
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)
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// TaskRelation represents a kind of relation between two tasks
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type taskRelation20190922205826 struct {
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ID int64 `xorm:"int(11) autoincr not null unique pk"`
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TaskID int64 `xorm:"int(11) not null"`
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OtherTaskID int64 `xorm:"int(11) not null"`
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RelationKind models.RelationKind `xorm:"varchar(50) not null"`
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CreatedByID int64 `xorm:"int(11) not null"`
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Created int64 `xorm:"created not null"`
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}
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// TableName holds the table name for the task relation table
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func (taskRelation20190922205826) TableName() string {
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return "task_relations"
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}
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type task20190922205826 struct {
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ID int64 `xorm:"int(11) autoincr not null unique pk"`
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CreatedByID int64 `xorm:"int(11) not null"`
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ParentTaskID int64 `xorm:"int(11) INDEX null"`
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}
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func (task20190922205826) TableName() string {
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return "tasks"
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}
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func init() {
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migrations = append(migrations, &xormigrate.Migration{
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ID: "20190922205826",
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Description: "Add task relations",
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Migrate: func(tx *xorm.Engine) error {
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err := tx.Sync2(taskRelation20190922205826{})
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if err != nil {
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return err
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}
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// Get all current subtasks and put them in a new table
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tasks := []*task20190922205826{}
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err = tx.Where("parent_task_id is not null OR parent_task_id != 0").Find(&tasks)
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if err != nil {
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return err
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}
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var migratedRelations = make([]*taskRelation20190922205826, 0, len(tasks)*2)
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for _, t := range tasks {
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migratedRelations = append(migratedRelations,
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&taskRelation20190922205826{
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TaskID: t.ID,
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OtherTaskID: t.ParentTaskID,
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RelationKind: models.RelationKindParenttask,
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CreatedByID: t.CreatedByID,
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},
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&taskRelation20190922205826{
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TaskID: t.ParentTaskID,
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OtherTaskID: t.ID,
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RelationKind: models.RelationKindSubtask,
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CreatedByID: t.CreatedByID,
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})
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}
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_, err = tx.Insert(migratedRelations)
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if err != nil {
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return err
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}
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return dropTableColum(tx, "tasks", "parent_task_id")
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},
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Rollback: func(tx *xorm.Engine) error {
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return tx.DropTables(taskRelation20190922205826{})
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},
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})
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}
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