forked from vikunja/vikunja
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present 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 Affero General Public Licensee 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 Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package handler
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import (
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"encoding/json"
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"code.vikunja.io/api/pkg/events"
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/modules/migration"
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"code.vikunja.io/api/pkg/notifications"
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"github.com/ThreeDotsLabs/watermill/message"
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)
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func RegisterListeners() {
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events.RegisterListener((&MigrationRequestedEvent{}).Name(), &MigrationListener{})
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}
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// MigrationListener represents a listener
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type MigrationListener struct {
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}
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// Name defines the name for the MigrationListener listener
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func (s *MigrationListener) Name() string {
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return "migration.listener"
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}
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// Handle is executed when the event MigrationListener listens on is fired
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func (s *MigrationListener) Handle(msg *message.Message) (err error) {
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event := &MigrationRequestedEvent{}
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err = json.Unmarshal(msg.Payload, event)
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if err != nil {
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return
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}
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mstr := registeredMigrators[event.MigratorKind]
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event.Migrator = mstr.MigrationStruct()
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// unmarshaling again to make sure the migrator has the correct type now
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err = json.Unmarshal(msg.Payload, event)
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if err != nil {
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return
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}
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ms := event.Migrator.(migration.Migrator)
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m, err := migration.StartMigration(ms, event.User)
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if err != nil {
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return
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}
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log.Debugf("[Migration] Starting migration %d from %s for user %d", m.ID, event.MigratorKind, event.User.ID)
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err = ms.Migrate(event.User)
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if err != nil {
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return
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}
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err = migration.FinishMigration(m)
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if err != nil {
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return
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}
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err = notifications.Notify(event.User, &MigrationDoneNotification{
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MigratorName: ms.Name(),
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})
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if err != nil {
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return
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}
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log.Debugf("[Migration] Successfully done migration %d from %s for user %d", m.ID, event.MigratorKind, event.User.ID)
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return
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}
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