Generate a random list identifier based on the list title

pkg/migration/20200516123847.go

@@ -0,0 +1,57 @@
+// 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:          "20200516123847",
+		Description: "Generate a list identifier for each list",
+		Migrate: func(tx *xorm.Engine) error {
+			lists := []*models.List{}
+			err := tx.Find(&lists)
+			if err != nil {
+				return err
+			}
+
+			for _, l := range lists {
+				if l.Identifier != "" {
+					continue
+				}
+
+				err := models.GenerateListIdentifier(l, tx)
+				if err != nil {
+					return err
+				}
+				_, err = tx.Where("id = ?", l.ID).Update(l)
+				if err != nil {
+					return err
+				}
+			}
+
+			return nil
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}