func (s *Slack) handleChat(action string, params map[string]string) (interface{}, error) {
var v interface{}
var err error
switch action {
case "delete":
ch, ts, err := s.s.DeleteMessage(params["channel"], params["ts"])
if err != nil {
return nil, err
}
v = map[string]string{
"channel": ch,
"ts": ts,
}
case "postmessage":
postParam := slack.PostMessageParameters{}
postParam.Username = getStringParam(params, "username", slack.DEFAULT_MESSAGE_USERNAME)
postParam.Parse = getStringParam(params, "parse", slack.DEFAULT_MESSAGE_PARSE)
postParam.LinkNames = getIntParam(params, "link_names", slack.DEFAULT_MESSAGE_LINK_NAMES)
postParam.UnfurlLinks = getBoolParam(params, "unfurl_links", slack.DEFAULT_MESSAGE_UNFURL_LINKS)
postParam.UnfurlMedia = getBoolParam(params, "unfurl_media", slack.DEFAULT_MESSAGE_UNFURL_MEDIA)
postParam.IconURL = getStringParam(params, "icon_url", slack.DEFAULT_MESSAGE_ICON_URL)
postParam.IconEmoji = getStringParam(params, "icon_emoji", slack.DEFAULT_MESSAGE_ICON_EMOJI)
if err = json.Unmarshal([]byte(getStringParam(params, "attachments", "[]")), &postParam.Attachments); err != nil {
return nil, err
}
ch, ts, err := s.s.PostMessage(params["channel"], params["text"], postParam)
if err != nil {
return nil, err
}
v = map[string]string{
"channel": ch,
"ts": ts,
}
case "update":
ch, ts, text, err := s.s.UpdateMessage(params["channel"], params["ts"], params["text"])
if err != nil {
return nil, err
}
v = map[string]string{
"channel": ch,
"ts": ts,
"text": text,
}
default:
return nil, fmt.Errorf("invalid chat action %s", action)
}
return v, err
}