func SendMail(to string, applier BasicUser, url string) error {
msg := gomail.NewMessage()
msg.SetHeader("From", "*****@*****.**")
msg.SetHeader("To", to)
msg.SetHeader("Subject", RecommLetterSubject)
//Write letter template
data := struct {
ApplyUser BasicUser
RecommUrl string
}{
ApplyUser: applier,
RecommUrl: url,
}
buffer := new(bytes.Buffer)
if e := RecommLetterTmpl.Execute(buffer, &data); e != nil {
return e
}
msg.SetBody("text/plain", buffer.String())
dialer := gomail.Dialer{
Host: "localhost",
Port: 25,
}
return dialer.DialAndSend(msg)
}
// MakeMessage prepare message to send
func (sender *Sender) MakeMessage(events notifier.EventsData, contact notifier.ContactData, trigger notifier.TriggerData, throttled bool) *gomail.Message {
state := events.GetSubjectState()
tags := trigger.GetTags()
subject := fmt.Sprintf("%s %s %s (%d)", state, trigger.Name, tags, len(events))
templateData := struct {
Link string
Throttled bool
Items []*templateRow
}{
Link: fmt.Sprintf("%s/#/events/%s", sender.FrontURI, events[0].TriggerID),
Throttled: throttled,
Items: make([]*templateRow, 0, len(events)),
}
for _, event := range events {
templateData.Items = append(templateData.Items, &templateRow{
Metric: event.Metric,
Timestamp: time.Unix(event.Timestamp, 0).Format("15:04 02.01.2006"),
Oldstate: event.OldState,
State: event.State,
Value: strconv.FormatFloat(event.Value, 'f', -1, 64),
WarnValue: strconv.FormatFloat(trigger.WarnValue, 'f', -1, 64),
ErrorValue: strconv.FormatFloat(trigger.ErrorValue, 'f', -1, 64),
})
}
m := gomail.NewMessage()
m.SetHeader("From", sender.From)
m.SetHeader("To", contact.Value)
m.SetHeader("Subject", subject)
m.AddAlternativeWriter("text/html", func(w io.Writer) error {
return tpl.Execute(w, templateData)
})
return m
}
func NewMail() *gomail.Message {
m := gomail.NewMessage()
m.SetHeader("From", "*****@*****.**")
return m
}