forked from vikunja/vikunja
93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2021 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 notifications
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import (
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"encoding/json"
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"code.vikunja.io/api/pkg/db"
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)
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// Notification is a notification which can be sent via mail or db.
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type Notification interface {
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ToMail() *Mail
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ToDB() interface{}
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Name() string
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}
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// Notifiable is an entity which can be notified. Usually a user.
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type Notifiable interface {
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// Should return the email address this notifiable has.
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RouteForMail() (string, error)
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// Should return the id of the notifiable entity
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RouteForDB() int64
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}
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// Notify notifies a notifiable of a notification
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func Notify(notifiable Notifiable, notification Notification) (err error) {
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err = notifyMail(notifiable, notification)
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if err != nil {
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return
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}
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return notifyDB(notifiable, notification)
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}
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func notifyMail(notifiable Notifiable, notification Notification) error {
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mail := notification.ToMail()
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if mail == nil {
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return nil
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}
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to, err := notifiable.RouteForMail()
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if err != nil {
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return err
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}
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mail.To(to)
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return SendMail(mail)
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}
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func notifyDB(notifiable Notifiable, notification Notification) (err error) {
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dbContent := notification.ToDB()
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if dbContent == nil {
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return nil
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}
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content, err := json.Marshal(dbContent)
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if err != nil {
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return err
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}
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s := db.NewSession()
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dbNotification := &DatabaseNotification{
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NotifiableID: notifiable.RouteForDB(),
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Notification: content,
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Name: notification.Name(),
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}
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_, err = s.Insert(dbNotification)
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if err != nil {
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_ = s.Rollback()
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return err
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}
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return s.Commit()
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}
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