Add notifications package for easy sending of notifications (#779)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/779
Co-authored-by: konrad <konrad@kola-entertainments.de>
Co-committed-by: konrad <konrad@kola-entertainments.de>

pkg/user/notifications.go

@@ -0,0 +1,94 @@
+// 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 user
+
+import (
+	"code.vikunja.io/api/pkg/config"
+	"code.vikunja.io/api/pkg/notifications"
+)
+
+// EmailConfirmNotification represents a EmailConfirmNotification notification
+type EmailConfirmNotification struct {
+	User  *User
+	IsNew bool
+}
+
+// ToMail returns the mail notification for EmailConfirmNotification
+func (n *EmailConfirmNotification) ToMail() *notifications.Mail {
+
+	subject := n.User.GetName() + ", please confirm your email address at Vikunja"
+	if n.IsNew {
+		subject = n.User.GetName() + " + Vikunja = <3"
+	}
+
+	nn := notifications.NewMail().
+		Subject(subject).
+		Greeting("Hi " + n.User.GetName() + ",")
+
+	if n.IsNew {
+		nn.Line("Welcome to Vikunja!")
+	}
+
+	return nn.
+		Line("To confirm your email address, click the link below:").
+		Action("Confirm your email address", config.ServiceFrontendurl.GetString()+"?userEmailConfirm="+n.User.EmailConfirmToken).
+		Line("Have a nice day!")
+}
+
+// ToDB returns the EmailConfirmNotification notification in a format which can be saved in the db
+func (n *EmailConfirmNotification) ToDB() interface{} {
+	return nil
+}
+
+// PasswordChangedNotification represents a PasswordChangedNotification notification
+type PasswordChangedNotification struct {
+	User *User
+}
+
+// ToMail returns the mail notification for PasswordChangedNotification
+func (n *PasswordChangedNotification) ToMail() *notifications.Mail {
+	return notifications.NewMail().
+		Subject("Your Password on Vikunja was changed").
+		Greeting("Hi " + n.User.GetName() + ",").
+		Line("Your account password was successfully changed.").
+		Line("If this wasn't you, it could mean someone compromised your account. In this case contact your server's administrator.")
+}
+
+// ToDB returns the PasswordChangedNotification notification in a format which can be saved in the db
+func (n *PasswordChangedNotification) ToDB() interface{} {
+	return nil
+}
+
+// ResetPasswordNotification represents a ResetPasswordNotification notification
+type ResetPasswordNotification struct {
+	User *User
+}
+
+// ToMail returns the mail notification for ResetPasswordNotification
+func (n *ResetPasswordNotification) ToMail() *notifications.Mail {
+	return notifications.NewMail().
+		Subject("Reset your password on Vikunja").
+		Greeting("Hi "+n.User.GetName()+",").
+		Line("To reset your password, click the link below:").
+		Action("Reset your password", config.ServiceFrontendurl.GetString()+"?userPasswordReset="+n.User.PasswordResetToken).
+		Line("Have a nice day!")
+}
+
+// ToDB returns the ResetPasswordNotification notification in a format which can be saved in the db
+func (n *ResetPasswordNotification) ToDB() interface{} {
+	return nil
+}