// Tries to locate the first stored event type, returning the associated stored message key.
func findStoredMessageID(mg mailgun.Mailgun) (string, error) {
ei := mg.NewEventIterator()
err := ei.GetFirstPage(mailgun.GetEventsOptions{})
for {
if err != nil {
return "", err
}
if len(ei.Events()) == 0 {
break
}
for _, event := range ei.Events() {
if event["event"] == "stored" {
s := event["storage"].(map[string]interface{})
k := s["key"]
return k.(string), nil
}
}
err = ei.GetNext()
}
return "", fmt.Errorf("No stored messages found. Try changing MG_EMAIL_TO to an address that stores messages and try again.")
}
