func flattenSlackMessage(rtm *slack.RTM, text string) string {
text = slackLink1Regex.ReplaceAllString(text, "$1")
text = slackLink2Regex.ReplaceAllString(text, "$1")
text = slackLink3Regex.ReplaceAllString(text, "$1")
text = slackActionRegex.ReplaceAllString(text, "@$1")
text = slackEmojiRegex.ReplaceAllStringFunc(text, func(text string) string {
if emoji, ok := emojis[text[1:len(text)-1]]; ok {
return emoji
}
return text
})
text = slackReference1Regex.ReplaceAllString(text, "$1$4")
text = slackReference2Regex.ReplaceAllStringFunc(text, func(text string) string {
switch text[:2] {
case "<#":
ch, err := rtm.GetChannelInfo(text[2 : len(text)-1])
if err == nil {
return "#" + ch.Name
}
case "<@":
user, err := rtm.GetUserInfo(text[2 : len(text)-1])
if err == nil {
return "@" + user.Name
}
}
return text
})
text = html.UnescapeString(text)
return text
}
