pkg/cmd/cmd.go

@@ -23,6 +23,7 @@ import (
 	"code.vikunja.io/api/pkg/mail"
 	"code.vikunja.io/api/pkg/migration"
 	"code.vikunja.io/api/pkg/models"
+	migrator "code.vikunja.io/api/pkg/modules/migration"
 	"code.vikunja.io/api/pkg/red"
 	"fmt"
 	"github.com/spf13/cobra"
@@ -79,6 +80,10 @@ func initialize() {
 	if err != nil {
 		log.Fatal(err.Error())
 	}
+	err = migrator.InitDB()
+	if err != nil {
+		log.Fatal(err.Error())
+	}
 
 	// Initialize the files handler
 	files.InitFileHandler()

pkg/modules/migration/db.go

@@ -0,0 +1,49 @@
+// Vikunja is a todo-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/config"
+	"code.vikunja.io/api/pkg/db"
+	"code.vikunja.io/api/pkg/log"
+	"github.com/go-xorm/xorm"
+)
+
+var x *xorm.Engine
+
+// InitDB sets up the database connection to use in this module
+func InitDB() (err error) {
+	x, err = db.CreateDBEngine()
+	if err != nil {
+		log.Criticalf("Could not connect to db: %v", err.Error())
+		return
+	}
+
+	// Cache
+	if config.CacheEnabled.GetBool() && config.CacheType.GetString() == "redis" {
+		db.RegisterTableStructsForCache(GetTables())
+	}
+
+	return nil
+}
+
+// GetTables returns all structs which are also a table.
+func GetTables() []interface{} {
+	return []interface{}{
+		&Status{},
+	}
+}

pkg/modules/migration/handler/handler.go

@@ -34,6 +34,14 @@ type AuthURL struct {
 	URL string `json:"url"`
 }
 
+// RegisterRoutes registers all routes for migration
+func (mw *MigrationWeb) RegisterRoutes(g echo.Group) {
+	ms := mw.MigrationStruct()
+	g.GET("/"+ms.Name()+"/auth", mw.AuthURL)
+	g.GET("/"+ms.Name()+"/status", mw.Status)
+	g.POST("/"+ms.Name()+"/migrate", mw.Migrate)
+}
+
 // AuthURL is the web handler to get the auth url
 func (mw *MigrationWeb) AuthURL(c echo.Context) error {
 	ms := mw.MigrationStruct()
@@ -62,5 +70,27 @@ func (mw *MigrationWeb) Migrate(c echo.Context) error {
 		return handler.HandleHTTPError(err, c)
 	}
 
+	err = migration.SetMigrationStatus(ms, user)
+	if err != nil {
+		return handler.HandleHTTPError(err, c)
+	}
+
 	return c.JSON(http.StatusOK, models.Message{Message: "Everything was migrated successfully."})
 }
+
+// Status returns whether or not a user has already done this migration
+func (mw *MigrationWeb) Status(c echo.Context) error {
+	ms := mw.MigrationStruct()
+
+	user, err := models.GetCurrentUser(c)
+	if err != nil {
+		return handler.HandleHTTPError(err, c)
+	}
+
+	status, err := migration.GetMigrationStatus(ms, user)
+	if err != nil {
+		return handler.HandleHTTPError(err, c)
+	}
+
+	return c.JSON(http.StatusOK, status)
+}

pkg/modules/migration/migration_status.go

@@ -0,0 +1,49 @@
+// Vikunja is a todo-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"
+
+// Status represents this migration status
+type Status struct {
+	ID           int64  `xorm:"int(11) autoincr not null unique pk" json:"id"`
+	UserID       int64  `xorm:"int(11) not null" json:"user_id"`
+	MigratorName string `xorm:"varchar(255)" json:"migrator_name"`
+	CreatedUnix  int64  `xorm:"created not null"`
+}
+
+// TableName holds the table name for the migration status table
+func (s *Status) TableName() string {
+	return "migration_status"
+}
+
+// SetMigrationStatus sets the migration status for a user
+func SetMigrationStatus(m Migrator, u *models.User) (err error) {
+	status := &Status{
+		UserID:       u.ID,
+		MigratorName: m.Name(),
+	}
+	_, err = x.Insert(status)
+	return
+}
+
+// GetMigrationStatus returns the migration status for a migration and a user
+func GetMigrationStatus(m Migrator, u *models.User) (status *Status, err error) {
+	status = &Status{}
+	_, err = x.Where("user_id = ? and migrator_name = ?", u.ID, m.Name()).Desc("id").Get(status)
+	return
+}

pkg/modules/migration/migrator.go

@@ -28,4 +28,7 @@ type Migrator interface {
 	// The use case for this are Oauth flows, where the server token should remain hidden and not
 	// known to the frontend.
 	AuthURL() string
+	// Name holds the name of the migration.
+	// This is used to show the name to users and to keep track of users who already migrated.
+	Name() string
 }

pkg/modules/migration/wunderlist/wunderlist.go

@@ -480,3 +480,8 @@ func (w *Migration) AuthURL() string {
 		config.MigrationWunderlistRedirectURL.GetString() +
 		"&state=" + utils.MakeRandomString(32)
 }
+
+// Name is used to get the name of the wunderlist migration
+func (w *Migration) Name() string {
+	return "wunderlist"
+}