Reorder tasks, lists and kanban buckets (#923)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/923
Co-authored-by: konrad <konrad@kola-entertainments.de>
Co-committed-by: konrad <konrad@kola-entertainments.de>

pkg/migration/20210725153703.go

@@ -0,0 +1,71 @@
+// 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 tasks20210725153703 struct {
+	ID             int64   `xorm:"bigint autoincr not null unique pk" json:"id" param:"listtask"`
+	Position       float64 `xorm:"double null" json:"position"`
+	KanbanPosition float64 `xorm:"double null" json:"kanban_position"`
+}
+
+func (tasks20210725153703) TableName() string {
+	return "tasks"
+}
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20210725153703",
+		Description: "",
+		Migrate: func(tx *xorm.Engine) error {
+			err := tx.Sync2(tasks20210725153703{})
+			if err != nil {
+				return err
+			}
+
+			tasks := []*tasks20210725153703{}
+			err = tx.Where("position is not null").Find(&tasks)
+			if err != nil {
+				return err
+			}
+
+			// Migrate all old kanban positions to the kanban positions property
+			for _, task := range tasks {
+				task.KanbanPosition = task.Position
+				task.Position = float64(task.ID) * math.Pow(2, 16)
+				_, err = tx.
+					Where("id = ?", task.ID).
+					Cols("kanban_position", "position").
+					Update(task)
+				if err != nil {
+					return err
+				}
+			}
+
+			return nil
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}

pkg/migration/20210727204942.go

@@ -0,0 +1,68 @@
+// 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 lists20210727204942 struct {
+	ID       int64   `xorm:"bigint autoincr not null unique pk" json:"id" param:"list"`
+	Position float64 `xorm:"double null" json:"position"`
+}
+
+func (lists20210727204942) TableName() string {
+	return "lists"
+}
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20210727204942",
+		Description: "Add list position parameter",
+		Migrate: func(tx *xorm.Engine) error {
+			err := tx.Sync2(lists20210727204942{})
+			if err != nil {
+				return err
+			}
+
+			lists := []*lists20210727204942{}
+			err = tx.Find(&lists)
+			if err != nil {
+				return err
+			}
+
+			for _, list := range lists {
+				list.Position = float64(list.ID) * math.Pow(2, 16)
+
+				_, err = tx.
+					Where("id = ?", list.ID).
+					Update(list)
+				if err != nil {
+					return err
+				}
+			}
+
+			return nil
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}

pkg/migration/20210727211037.go

@@ -0,0 +1,68 @@
+// 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 unique pk" 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
+		},
+	})
+}