vikunja-api/pkg/modules/migration/handler/handler.go

107 lines
3.0 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-present 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 handler
import (
"net/http"
"code.vikunja.io/api/pkg/events"
"code.vikunja.io/api/pkg/models"
"code.vikunja.io/api/pkg/modules/migration"
user2 "code.vikunja.io/api/pkg/user"
"code.vikunja.io/web/handler"
"github.com/labstack/echo/v4"
)
var registeredMigrators map[string]*MigrationWeb
func init() {
registeredMigrators = make(map[string]*MigrationWeb)
}
// MigrationWeb holds the web migration handler
type MigrationWeb struct {
MigrationStruct func() migration.Migrator
}
// AuthURL is returned to the user when requesting the auth url
type AuthURL struct {
URL string `json:"url"`
}
// RegisterMigrator registers all routes for migration
func (mw *MigrationWeb) RegisterMigrator(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)
registeredMigrators[ms.Name()] = mw
}
// AuthURL is the web handler to get the auth url
func (mw *MigrationWeb) AuthURL(c echo.Context) error {
ms := mw.MigrationStruct()
return c.JSON(http.StatusOK, &AuthURL{URL: ms.AuthURL()})
}
// Migrate calls the migration method
func (mw *MigrationWeb) Migrate(c echo.Context) error {
ms := mw.MigrationStruct()
// Get the user from context
user, err := user2.GetCurrentUser(c)
if err != nil {
return handler.HandleHTTPError(err, c)
}
stats, err := migration.GetMigrationStatus(ms, user)
if err != nil {
return handler.HandleHTTPError(err, c)
}
if stats.FinishedAt.IsZero() {
return c.JSON(http.StatusOK, map[string]string{
"message": "Migration already running",
"running_since": stats.StartedAt.String(),
})
}
// Bind user request stuff
err = c.Bind(ms)
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "No or invalid model provided: "+err.Error())
}
err = events.Dispatch(&MigrationRequestedEvent{
Migrator: ms,
MigratorKind: ms.Name(),
User: 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()
return status(ms, c)
}