fix

server/backend/cron/feedbackEmail.go

@@ -54,7 +54,7 @@ func (c *CronService) feedbackEmailCron() error {
 	}
 	d := gomail.NewDialer(os.Getenv("SMTP_URL"), smtpPort, os.Getenv("SMTP_USERNAME"), os.Getenv("SMTP_PASSWORD"))
 	d.TLSConfig = &tls.Config{InsecureSkipVerify: true}
-	for _, feedback := range results {
+	for i, feedback := range results {
 		m := gomail.NewMessage()
 		// set message-headers
 		m.SetAddressHeader("From", os.Getenv("SMTP_USERNAME"), "TUM Campus App")
@@ -79,14 +79,24 @@ func (c *CronService) feedbackEmailCron() error {
 			return err
 		}
 		m.SetBody("text/plain", txtBodyBuffer.String())
-		log.Info(txtBodyBuffer.String())
 
 		var htmlBodyBuffer bytes.Buffer
 		if err := parsedHtmlBody.Execute(&htmlBodyBuffer, feedback); err != nil {
 			return err
 		}
 		m.AddAlternative("text/html", htmlBodyBuffer.String())
-		log.Info(htmlBodyBuffer.String())
+
+		// send mail
+		if err := d.DialAndSend(m); err != nil {
+			log.WithError(err).Error("could not send mail")
+			continue
+		}
+		log.Trace("sending feedback %d to %s successfull", i, feedback.Receiver)
+
+		// prevent the message being send the next time around
+		if err := c.db.Find(model.Feedback{}, "id = ?", feedback.Id).Update("processed", "true").Error; err != nil {
+			log.WithError(err).Error("could not prevent mail from being send again")
+		}
 	}
 	return nil
 }