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package bgitter
import (
"fmt"
"strings"
"time"
"github.com/42wim/matterbridge/bridge/config"
log "github.com/Sirupsen/logrus"
"github.com/sromku/go-gitter"
)
type Bgitter struct {
c *gitter.Gitter
Config *config.Protocol
Remote chan config.Message
Account string
Users []gitter.User
Rooms []gitter.Room
}
var flog *log.Entry
var protocol = "gitter"
func init() {
flog = log.WithFields(log.Fields{"module": protocol})
}
func New(cfg config.Protocol, account string, c chan config.Message) *Bgitter {
b := &Bgitter{}
b.Config = &cfg
b.Remote = c
b.Account = account
return b
}
func (b *Bgitter) Connect() error {
var err error
flog.Info("Connecting")
b.c = gitter.New(b.Config.Token)
_, err = b.c.GetUser()
if err != nil {
flog.Debugf("%#v", err)
return err
}
flog.Info("Connection succeeded")
b.Rooms, _ = b.c.GetRooms()
return nil
}
func (b *Bgitter) Disconnect() error {
return nil
}
func (b *Bgitter) JoinChannel(channel string) error {
roomID, err := b.c.GetRoomId(channel)
if err != nil {
return fmt.Errorf("Could not find roomID for %v. Please create the room on gitter.im", channel)
}
room, err := b.c.GetRoom(roomID)
if err != nil {
return err
}
b.Rooms = append(b.Rooms, *room)
user, err := b.c.GetUser()
if err != nil {
return err
}
_, err = b.c.JoinRoom(roomID, user.ID)
if err != nil {
return err
}
users, _ := b.c.GetUsersInRoom(roomID)
b.Users = append(b.Users, users...)
// we need to use (experimental) faye for edits.
// streaming API doesn't show edits.
if !b.Config.EditDisable {
faye := b.c.Faye(roomID)
go faye.Listen()
go func(stream *gitter.Faye, room string) {
for event := range stream.Event {
b.handleEvent(event, room)
}
}(faye, room.Name)
return nil
}
stream := b.c.Stream(roomID)
go b.c.Listen(stream)
go func(stream *gitter.Stream, room string) {
for event := range stream.Event {
b.handleEvent(event, room)
}
}(stream, room.Name)
return nil
}
func (b *Bgitter) handleEvent(event gitter.Event, room string) {
flog.Debugf("event: %#v %#v", event.Data, event.Data.(*gitter.MessageReceived).Message.EditedAt.Sub(time.Now()).String())
switch ev := event.Data.(type) {
case *gitter.MessageReceived:
// check for ZWSP to see if it's not an echo
if !strings.HasSuffix(ev.Message.Text, "") {
if !ev.Message.EditedAt.IsZero() && !b.Config.EditDisable {
ev.Message.Text = ev.Message.Text + b.Config.EditSuffix
}
flog.Debugf("Sending message from %s on %s to gateway", ev.Message.From.Username, b.Account)
b.Remote <- config.Message{Username: ev.Message.From.Username, Text: ev.Message.Text, Channel: room,
Account: b.Account, Avatar: b.getAvatar(ev.Message.From.Username)}
}
case *gitter.GitterConnectionClosed:
flog.Errorf("connection with gitter closed for room %s", room)
}
}
func (b *Bgitter) Send(msg config.Message) error {
flog.Debugf("Receiving %#v", msg)
roomID := b.getRoomID(msg.Channel)
if roomID == "" {
flog.Errorf("Could not find roomID for %v", msg.Channel)
return nil
}
// add ZWSP because gitter echoes our own messages
return b.c.SendMessage(roomID, msg.Username+msg.Text+" ")
}
func (b *Bgitter) getRoomID(channel string) string {
for _, v := range b.Rooms {
if v.URI == channel {
return v.ID
}
}
return ""
}
func (b *Bgitter) getAvatar(user string) string {
var avatar string
if b.Users != nil {
for _, u := range b.Users {
if user == u.Username {
return u.AvatarURLSmall
}
}
}
return avatar
}
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