65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2020 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 General Public License 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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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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"math"
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"src.techknowlogick.com/xormigrate"
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"xorm.io/xorm"
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)
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type task20200420215928 struct {
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ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id" param:"listtask"`
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Position float64 `xorm:"double null" json:"position"`
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}
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func (s task20200420215928) 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: "20200420215928",
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Description: "Add position property to task",
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Migrate: func(tx *xorm.Engine) error {
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err := tx.Sync2(task20200420215928{})
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if err != nil {
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return err
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}
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// Create a position according to their id -> gives a starting position
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tasks := []*task20200420215928{}
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err = tx.Find(&tasks)
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if err != nil {
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return err
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}
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for _, task := range tasks {
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task.Position = float64(task.ID) * math.Pow(2, 16)
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_, err = tx.Where("id = ?", task.ID).Update(task)
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if err != nil {
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return err
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}
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}
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return nil
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},
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Rollback: func(tx *xorm.Engine) error {
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return tx.DropTables(task20200420215928{})
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},
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})
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}
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