forked from otremblay/gobot
/
slack.go
168 lines (137 loc) · 3.23 KB
/
slack.go
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package slack
import (
"fmt"
"log"
"os"
"github.com/gabeguz/gobot"
"github.com/nlopes/slack"
)
type Options struct {
Token string
Room string
Name string
Protocol string
Debug bool
}
type Message struct {
body, from string
effectiveMessage *slack.MessageEvent
}
func (m Message) Body() string {
if m2 := m.effectiveMessage.Text; m2 != "" {
return m2
}
if m2 := m.effectiveMessage.Msg.Text; m2 != "" {
return m2
}
if m.effectiveMessage.SubMessage != nil {
if m2 := m.effectiveMessage.SubMessage.Text; m2 != "" {
return m2
}
}
return m.body
}
func (m Message) From() string {
return m.from
}
func (m Message) Room() string {
return m.effectiveMessage.Channel
}
func (m Message) EffectiveMessage() *slack.MessageEvent {
return m.effectiveMessage
}
type Bot struct {
Opt Options
client *slack.RTM
logger *log.Logger
}
func (b *Bot) FullName() string {
return b.Opt.Name
}
func (b *Bot) Name() string {
return b.Opt.Name
}
func (b *Bot) Send(msg string) {
b.client.SendMessage(b.client.NewOutgoingMessage(msg, b.Opt.Room))
}
func (b *Bot) Reply(orig gobot.Message, msg string) {
mess := b.client.NewOutgoingMessage(msg, orig.Room())
slackmsg := orig.(Message).EffectiveMessage()
if slackmsg.ThreadTimestamp != "" {
mess.ThreadTimestamp = slackmsg.ThreadTimestamp
}
b.client.SendMessage(mess)
}
func (b *Bot) Client() *slack.RTM {
return b.client
}
func (b *Bot) Connect() error {
b.logger.Printf("Connecting to slack\n")
// slack.New doesn't return an error
slack := slack.New(b.Opt.Token)
b.client = slack.NewRTM()
channels, err := b.Client().GetChannels(true)
if err != nil {
return fmt.Errorf("Error checking channel list: %v", err)
}
var channelname string
for _, channel := range channels {
if b.Opt.Room == channel.ID {
channelname = channel.Name
break
}
if b.Opt.Room == channel.Name {
channelname = b.Opt.Room
b.Opt.Room = channel.ID
}
}
b.logger.Printf("Joining %s\n", channelname)
return nil
}
func (b *Bot) Listen() chan gobot.Message {
msgChan := make(chan gobot.Message)
go b.client.ManageConnection()
go func(recv chan gobot.Message) {
for msg := range b.client.IncomingEvents {
switch ev := msg.Data.(type) {
case *slack.HelloEvent:
// Ignore hello
case *slack.ConnectedEvent:
b.logger.Println("Infos:", ev.Info)
b.logger.Println("Connection counter:", ev.ConnectionCount)
case *slack.MessageEvent:
recv <- Message{body: ev.Msg.Text, from: ev.Msg.Channel, effectiveMessage: ev}
case *slack.PresenceChangeEvent:
// Ignore presence change
case *slack.LatencyReport:
// Ignore latency reports
case *slack.RTMError:
b.logger.Printf("Error: %s\n", ev.Error())
case *slack.InvalidAuthEvent:
b.logger.Printf("Invalid credentials")
return
default:
// Ignore other events..
}
}
}(msgChan)
return msgChan
}
func (b *Bot) SetLogger(logger *log.Logger) {
b.logger = logger
}
func (b *Bot) Log(msg string) {
b.logger.Printf("%s \n", msg)
}
func New(token, room, name string) gobot.Bot {
opt := Options{
Token: token,
Room: room,
Name: name,
Protocol: "slack",
Debug: false,
}
Bot := &Bot{Opt: opt}
Bot.SetLogger(log.New(os.Stderr, "", log.LstdFlags))
return Bot
}