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package bgitter
import (
"fmt"
"strings"
"github.com/42wim/go-gitter"
"github.com/42wim/matterbridge/bridge"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
)
type Bgitter struct {
c *gitter.Gitter
User *gitter.User
Users []gitter.User
Rooms []gitter.Room
*bridge.Config
}
func New(cfg *bridge.Config) bridge.Bridger {
return &Bgitter{Config: cfg}
}
func (b *Bgitter) Connect() error {
var err error
b.Log.Info("Connecting")
b.c = gitter.New(b.GetString("Token"))
b.User, err = b.c.GetUser()
if err != nil {
return err
}
b.Rooms, err = b.c.GetRooms()
if err != nil {
return err
}
b.Log.Info("Connection succeeded")
return nil
}
func (b *Bgitter) Disconnect() error {
return nil
}
func (b *Bgitter) JoinChannel(channel config.ChannelInfo) error {
roomID, err := b.c.GetRoomId(channel.Name)
if err != nil {
return fmt.Errorf("Could not find roomID for %v. Please create the room on gitter.im", channel.Name)
}
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...)
stream := b.c.Stream(roomID)
go b.c.Listen(stream)
go func(stream *gitter.Stream, room string) {
for event := range stream.Event {
switch ev := event.Data.(type) {
case *gitter.MessageReceived:
// ignore message sent from ourselves
if ev.Message.From.ID != b.User.ID {
b.Log.Debugf("<= Sending message from %s on %s to gateway", ev.Message.From.Username, b.Account)
rmsg := config.Message{Username: ev.Message.From.Username, Text: ev.Message.Text, Channel: room,
Account: b.Account, Avatar: b.getAvatar(ev.Message.From.Username), UserID: ev.Message.From.ID,
ID: ev.Message.ID}
if strings.HasPrefix(ev.Message.Text, "@"+ev.Message.From.Username) {
rmsg.Event = config.EVENT_USER_ACTION
rmsg.Text = strings.Replace(rmsg.Text, "@"+ev.Message.From.Username+" ", "", -1)
}
b.Log.Debugf("<= Message is %#v", rmsg)
b.Remote <- rmsg
}
case *gitter.GitterConnectionClosed:
b.Log.Errorf("connection with gitter closed for room %s", room)
}
}
}(stream, room.URI)
return nil
}
func (b *Bgitter) Send(msg config.Message) (string, error) {
b.Log.Debugf("=> Receiving %#v", msg)
roomID := b.getRoomID(msg.Channel)
if roomID == "" {
b.Log.Errorf("Could not find roomID for %v", msg.Channel)
return "", nil
}
// Delete message
if msg.Event == config.EVENT_MSG_DELETE {
if msg.ID == "" {
return "", nil
}
// gitter has no delete message api so we edit message to ""
_, err := b.c.UpdateMessage(roomID, msg.ID, "")
if err != nil {
return "", err
}
return "", nil
}
// Upload a file (in gitter case send the upload URL because gitter has no native upload support)
if msg.Extra != nil {
for _, rmsg := range helper.HandleExtra(&msg, b.General) {
b.c.SendMessage(roomID, rmsg.Username+rmsg.Text)
}
if len(msg.Extra["file"]) > 0 {
return b.handleUploadFile(&msg, roomID)
}
}
// Edit message
if msg.ID != "" {
b.Log.Debugf("updating message with id %s", msg.ID)
_, err := b.c.UpdateMessage(roomID, msg.ID, msg.Username+msg.Text)
if err != nil {
return "", err
}
return "", nil
}
// Post normal message
resp, err := b.c.SendMessage(roomID, msg.Username+msg.Text)
if err != nil {
return "", err
}
return resp.ID, nil
}
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
}
func (b *Bgitter) handleUploadFile(msg *config.Message, roomID string) (string, error) {
for _, f := range msg.Extra["file"] {
fi := f.(config.FileInfo)
if fi.Comment != "" {
msg.Text += fi.Comment + ": "
}
if fi.URL != "" {
msg.Text = fi.URL
if fi.Comment != "" {
msg.Text = fi.Comment + ": " + fi.URL
}
}
_, err := b.c.SendMessage(roomID, msg.Username+msg.Text)
if err != nil {
return "", err
}
}
return "", nil
}
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