func get_channel(rtm *slack.RTM, lookfor string) (string, error) {
has_hash := strings.HasPrefix(strings.Trim(lookfor, " "), "#")
if has_hash {
lookfor = strings.TrimPrefix(strings.Trim(lookfor, " "), "#")
}
t := time.Now()
ts := t.Format("Mon Jan 2 15:04:05 -0700 MST 2006")
// Try public channels first
l, err := rtm.GetChannels(false)
if err != nil {
fmt.Printf("[%s] ERROR Channel list error: %s\n", ts, err)
}
for _, v := range l {
if v.Name == lookfor {
return v.ID, nil
}
}
// Now private channels, or groups in slack terms
g, err := rtm.GetGroups(false)
if err != nil {
fmt.Printf("[%s] ERROR Channel list error: %s\n", ts, err)
}
for _, v := range g {
if v.Name == lookfor {
return v.ID, nil
}
}
return "", errors.New("No channel found with this name")
}