Add notifications table

pkg/migration/20210207192805.go

@@ -0,0 +1,47 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-2021 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 migration
+
+import (
+	"src.techknowlogick.com/xormigrate"
+	"time"
+	"xorm.io/xorm"
+)
+
+type notifications20210207192805 struct {
+	ID           int64       `xorm:"bigint autoincr not null unique pk" json:"id"`
+	NotifiableID int64       `xorm:"bigint not null" json:"-"`
+	Notification interface{} `xorm:"json not null" json:"notification"`
+	Created      time.Time   `xorm:"created not null" json:"created"`
+}
+
+func (notifications20210207192805) TableName() string {
+	return "notifications"
+}
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20210207192805",
+		Description: "Add notifications table",
+		Migrate: func(tx *xorm.Engine) error {
+			return tx.Sync2(notifications20210207192805{})
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return nil
+		},
+	})
+}

pkg/notifications/notification.go

@@ -16,12 +16,18 @@
 
 package notifications
 
+import (
+	"code.vikunja.io/api/pkg/db"
+	"time"
+)
+
 // Notification is a notification which can be sent via mail or db.
 type Notification interface {
 	ToMail() *Mail
 	ToDB() interface{}
 }
 
+// Notifiable is an entity which can be notified. Usually a user.
 type Notifiable interface {
 	// Should return the email adress this notifiable has.
 	RouteForMail() string
@@ -29,6 +35,25 @@ type Notifiable interface {
 	RouteForDB() int64
 }
 
+// DatabaseNotification represents a notification that was saved to the database
+type DatabaseNotification struct {
+	// The unique, numeric id of this notification.
+	ID int64 `xorm:"bigint autoincr not null unique pk" json:"id"`
+
+	// The ID of the notifiable this notification is associated with.
+	NotifiableID int64 `xorm:"bigint not null" json:"-"`
+	// The actual content of the notification.
+	Notification interface{} `xorm:"json not null" json:"notification"`
+
+	// A timestamp when this notification was created. You cannot change this value.
+	Created time.Time `xorm:"created not null" json:"created"`
+}
+
+// TableName resolves to a better table name for notifications
+func (d *DatabaseNotification) TableName() string {
+	return "notifications"
+}
+
 // Notify notifies a notifiable of a notification
 func Notify(notifiable Notifiable, notification Notification) error {
 	mail := notification.ToMail()
@@ -39,7 +64,21 @@ func Notify(notifiable Notifiable, notification Notification) error {
 		}
 	}
 
-	// TODO: Implemnt saving to db if ToDB != nil
+	dbContent := notification.ToDB()
+	if dbContent == nil {
+		return nil
+	}
 
-	return nil
+	s := db.NewSession()
+	dbNotification := &DatabaseNotification{
+		NotifiableID: notifiable.RouteForDB(),
+		Notification: dbContent,
+	}
+
+	if _, err := s.Insert(dbNotification); err != nil {
+		_ = s.Rollback()
+		return err
+	}
+
+	return s.Commit()
 }