listmonk/cmd/notifications.go
Kailash Nadh 6cf43ea674 Add generic HTTP postback Messenger support.
This is a major feature that builds upon the `Messenger` interface
that has been in listmonk since its inception (with SMTP as the only
messenger). This commit introduces a new Messenger implementation, an
HTTP "postback", that can post campaign messages as a standard JSON
payload to arbitrary HTTP servers. These servers can in turn push them
to FCM, SMS, or any or any such upstream, enabling listmonk to be a
generic campaign messenger for any type of communication, not just
e-mails.

Postback HTTP endpoints can be defined in settings and they can be
selected on campaigns.
2020-10-10 18:52:08 +05:30

42 lines
1 KiB
Go

package main
import (
"bytes"
"github.com/knadh/listmonk/internal/manager"
)
const (
notifTplImport = "import-status"
notifTplCampaign = "campaign-status"
notifSubscriberOptin = "subscriber-optin"
notifSubscriberData = "subscriber-data"
)
// notifData represents params commonly used across different notification
// templates.
type notifData struct {
RootURL string
LogoURL string
}
// sendNotification sends out an e-mail notification to admins.
func (app *App) sendNotification(toEmails []string, subject, tplName string, data interface{}) error {
var b bytes.Buffer
if err := app.notifTpls.ExecuteTemplate(&b, tplName, data); err != nil {
app.log.Printf("error compiling notification template '%s': %v", tplName, err)
return err
}
m := manager.Message{}
m.From = app.constants.FromEmail
m.To = toEmails
m.Subject = subject
m.Body = b.Bytes()
m.Messenger = emailMsgr
if err := app.manager.PushMessage(m); err != nil {
app.log.Printf("error sending admin notification (%s): %v", subject, err)
return err
}
return nil
}