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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
package api
import (
"archive/zip"
"bytes"
l4g "code.google.com/p/log4go"
"encoding/json"
"github.com/mattermost/platform/model"
"io"
"mime/multipart"
"strconv"
"strings"
)
type SlackChannel struct {
Id string `json:"id"`
Name string `json:"name"`
Members []string `json:"members"`
Topic map[string]string `json:"topic"`
}
type SlackUser struct {
Id string `json:"id"`
Username string `json:"name"`
Profile map[string]string `json:"profile"`
}
type SlackPost struct {
User string `json:"user"`
BotId string `json:"bot_id"`
BotUsername string `json:"username"`
Text string `json:"text"`
TimeStamp string `json:"ts"`
Type string `json:"type"`
SubType string `json:"subtype"`
Comment map[string]string `json:"comment"`
}
func SlackConvertTimeStamp(ts string) int64 {
timeString := strings.SplitN(ts, ".", 2)[0]
timeStamp, err := strconv.ParseInt(timeString, 10, 64)
if err != nil {
l4g.Warn("Bad timestamp detected")
return 1
}
return timeStamp * 1000 // Convert to milliseconds
}
func SlackParseChannels(data io.Reader) []SlackChannel {
decoder := json.NewDecoder(data)
var channels []SlackChannel
if err := decoder.Decode(&channels); err != nil {
return make([]SlackChannel, 0)
}
return channels
}
func SlackParseUsers(data io.Reader) []SlackUser {
decoder := json.NewDecoder(data)
var users []SlackUser
if err := decoder.Decode(&users); err != nil {
return make([]SlackUser, 0)
}
return users
}
func SlackParsePosts(data io.Reader) []SlackPost {
decoder := json.NewDecoder(data)
var posts []SlackPost
if err := decoder.Decode(&posts); err != nil {
return make([]SlackPost, 0)
}
return posts
}
func SlackAddUsers(teamId string, slackusers []SlackUser, log *bytes.Buffer) map[string]*model.User {
// Log header
log.WriteString("\n Users Created\n")
log.WriteString("===============\n\n")
addedUsers := make(map[string]*model.User)
for _, sUser := range slackusers {
firstName := ""
lastName := ""
if name, ok := sUser.Profile["first_name"]; ok {
firstName = name
}
if name, ok := sUser.Profile["last_name"]; ok {
lastName = name
}
password := model.NewId()
newUser := model.User{
TeamId: teamId,
Username: sUser.Username,
FirstName: firstName,
LastName: lastName,
Email: sUser.Profile["email"],
Password: password,
}
if mUser := ImportUser(&newUser); mUser != nil {
addedUsers[sUser.Id] = mUser
log.WriteString("Email, Password: " + newUser.Email + ", " + password + "\n")
} else {
log.WriteString("Unable to import user: " + sUser.Username)
}
}
return addedUsers
}
func SlackAddPosts(channel *model.Channel, posts []SlackPost, users map[string]*model.User) {
for _, sPost := range posts {
switch {
case sPost.Type == "message" && (sPost.SubType == "" || sPost.SubType == "file_share"):
if sPost.User == "" {
l4g.Debug("Message without user")
continue
} else if users[sPost.User] == nil {
l4g.Debug("User: " + sPost.User + " does not exist!")
continue
}
newPost := model.Post{
UserId: users[sPost.User].Id,
ChannelId: channel.Id,
Message: sPost.Text,
CreateAt: SlackConvertTimeStamp(sPost.TimeStamp),
}
ImportPost(&newPost)
case sPost.Type == "message" && sPost.SubType == "file_comment":
if sPost.Comment["user"] == "" {
l4g.Debug("Message without user")
continue
} else if users[sPost.Comment["user"]] == nil {
l4g.Debug("User: " + sPost.User + " does not exist!")
continue
}
newPost := model.Post{
UserId: users[sPost.Comment["user"]].Id,
ChannelId: channel.Id,
Message: sPost.Comment["comment"],
CreateAt: SlackConvertTimeStamp(sPost.TimeStamp),
}
ImportPost(&newPost)
case sPost.Type == "message" && sPost.SubType == "bot_message":
// In the future this will use the "Action Post" spec to post
// a message without using a username. For now we just warn that we don't handle this case
l4g.Warn("Slack bot posts are not imported yet")
default:
l4g.Warn("Unsupported post type: " + sPost.Type + ", " + sPost.SubType)
}
}
}
func SlackAddChannels(teamId string, slackchannels []SlackChannel, posts map[string][]SlackPost, users map[string]*model.User, log *bytes.Buffer) map[string]*model.Channel {
// Write Header
log.WriteString("\n Channels Added \n")
log.WriteString("=================\n\n")
addedChannels := make(map[string]*model.Channel)
for _, sChannel := range slackchannels {
newChannel := model.Channel{
TeamId: teamId,
Type: model.CHANNEL_OPEN,
DisplayName: sChannel.Name,
Name: sChannel.Name,
Description: sChannel.Topic["value"],
}
mChannel := ImportChannel(&newChannel)
if mChannel == nil {
// Maybe it already exists?
if result := <-Srv.Store.Channel().GetByName(teamId, sChannel.Name); result.Err != nil {
l4g.Debug("Failed to import: %s", newChannel.DisplayName)
log.WriteString("Failed to import: " + newChannel.DisplayName + "\n")
continue
} else {
mChannel = result.Data.(*model.Channel)
log.WriteString("Merged with existing channel: " + newChannel.DisplayName + "\n")
}
}
log.WriteString(newChannel.DisplayName + "\n")
addedChannels[sChannel.Id] = mChannel
SlackAddPosts(mChannel, posts[sChannel.Name], users)
}
return addedChannels
}
func SlackImport(fileData multipart.File, fileSize int64, teamID string) (*model.AppError, *bytes.Buffer) {
zipreader, err := zip.NewReader(fileData, fileSize)
if err != nil || zipreader.File == nil {
return model.NewAppError("SlackImport", "Unable to open zip file", err.Error()), nil
}
// Create log file
log := bytes.NewBufferString("Mattermost Slack Import Log\n")
var channels []SlackChannel
var users []SlackUser
posts := make(map[string][]SlackPost)
for _, file := range zipreader.File {
reader, err := file.Open()
if err != nil {
return model.NewAppError("SlackImport", "Unable to open: "+file.Name, err.Error()), log
}
if file.Name == "channels.json" {
channels = SlackParseChannels(reader)
} else if file.Name == "users.json" {
users = SlackParseUsers(reader)
} else {
spl := strings.Split(file.Name, "/")
if len(spl) == 2 && strings.HasSuffix(spl[1], ".json") {
newposts := SlackParsePosts(reader)
channel := spl[0]
if _, ok := posts[channel]; ok == false {
posts[channel] = newposts
} else {
posts[channel] = append(posts[channel], newposts...)
}
}
}
}
addedUsers := SlackAddUsers(teamID, users, log)
SlackAddChannels(teamID, channels, posts, addedUsers, log)
log.WriteString("\n Notes \n")
log.WriteString("=======\n\n")
log.WriteString("- Some posts may not have been imported because they where not supported by this importer.\n")
log.WriteString("- Slack bot posts are currently not supported.\n")
return nil, log
}
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