func (c *Core) handleChannels(b core.Bot, m *slack.Message) error {
if len(b.ActiveChannels()) == 0 {
return b.Say(m.Channel, "currently listening to *no* channels.")
}
activeChannelsText := "currently listening to the following channels:\n"
for _, channelID := range b.ActiveChannels() {
if channel := b.FindChannel(channelID); channel != nil {
activeChannelsText = activeChannelsText + fmt.Sprintf(">#%s (id:%s)\n", channel.Name, channel.ID)
}
}
return b.Say(m.Channel, activeChannelsText)
}