Files
mattermost/app/export.go

432 lines
9.9 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"encoding/json"
"errors"
"io"
"net/http"
"os"
"path/filepath"
"strings"
"github.com/mattermost/mattermost-server/model"
)
func (a *App) BulkExport(writer io.Writer, file string, pathToEmojiDir string, dirNameToExportEmoji string) *model.AppError {
if err := a.ExportVersion(writer); err != nil {
return err
}
if err := a.ExportAllTeams(writer); err != nil {
return err
}
if err := a.ExportAllChannels(writer); err != nil {
return err
}
if err := a.ExportAllUsers(writer); err != nil {
return err
}
if err := a.ExportAllPosts(writer); err != nil {
return err
}
if err := a.ExportCustomEmoji(writer, file, pathToEmojiDir, dirNameToExportEmoji); err != nil {
return err
}
return nil
}
func (a *App) ExportWriteLine(writer io.Writer, line *LineImportData) *model.AppError {
b, err := json.Marshal(line)
if err != nil {
return model.NewAppError("BulkExport", "app.export.export_write_line.json_marshall.error", nil, "err="+err.Error(), http.StatusBadRequest)
}
if _, err := writer.Write(append(b, '\n')); err != nil {
return model.NewAppError("BulkExport", "app.export.export_write_line.io_writer.error", nil, "err="+err.Error(), http.StatusBadRequest)
}
return nil
}
func (a *App) ExportVersion(writer io.Writer) *model.AppError {
version := 1
versionLine := &LineImportData{
Type: "version",
Version: &version,
}
return a.ExportWriteLine(writer, versionLine)
}
func (a *App) ExportAllTeams(writer io.Writer) *model.AppError {
afterId := strings.Repeat("0", 26)
for {
result := <-a.Srv.Store.Team().GetAllForExportAfter(1000, afterId)
if result.Err != nil {
return result.Err
}
teams := result.Data.([]*model.TeamForExport)
if len(teams) == 0 {
break
}
for _, team := range teams {
afterId = team.Id
// Skip deleted.
if team.DeleteAt != 0 {
continue
}
teamLine := ImportLineFromTeam(team)
if err := a.ExportWriteLine(writer, teamLine); err != nil {
return err
}
}
}
return nil
}
func (a *App) ExportAllChannels(writer io.Writer) *model.AppError {
afterId := strings.Repeat("0", 26)
for {
result := <-a.Srv.Store.Channel().GetAllChannelsForExportAfter(1000, afterId)
if result.Err != nil {
return result.Err
}
channels := result.Data.([]*model.ChannelForExport)
if len(channels) == 0 {
break
}
for _, channel := range channels {
afterId = channel.Id
// Skip deleted.
if channel.DeleteAt != 0 {
continue
}
channelLine := ImportLineFromChannel(channel)
if err := a.ExportWriteLine(writer, channelLine); err != nil {
return err
}
}
}
return nil
}
func (a *App) ExportAllUsers(writer io.Writer) *model.AppError {
afterId := strings.Repeat("0", 26)
for {
result := <-a.Srv.Store.User().GetAllAfter(1000, afterId)
if result.Err != nil {
return result.Err
}
users := result.Data.([]*model.User)
if len(users) == 0 {
break
}
for _, user := range users {
afterId = user.Id
// Skip deleted.
if user.DeleteAt != 0 {
continue
}
userLine := ImportLineFromUser(user)
userLine.User.NotifyProps = a.buildUserNotifyProps(user.NotifyProps)
// Do the Team Memberships.
members, err := a.buildUserTeamAndChannelMemberships(user.Id)
if err != nil {
return err
}
userLine.User.Teams = members
if err := a.ExportWriteLine(writer, userLine); err != nil {
return err
}
}
}
return nil
}
func (a *App) buildUserTeamAndChannelMemberships(userId string) (*[]UserTeamImportData, *model.AppError) {
var memberships []UserTeamImportData
result := <-a.Srv.Store.Team().GetTeamMembersForExport(userId)
if result.Err != nil {
return nil, result.Err
}
members := result.Data.([]*model.TeamMemberForExport)
for _, member := range members {
// Skip deleted.
if member.DeleteAt != 0 {
continue
}
memberData := ImportUserTeamDataFromTeamMember(member)
// Do the Channel Memberships.
channelMembers, err := a.buildUserChannelMemberships(userId, member.TeamId)
if err != nil {
return nil, err
}
memberData.Channels = channelMembers
memberships = append(memberships, *memberData)
}
return &memberships, nil
}
func (a *App) buildUserChannelMemberships(userId string, teamId string) (*[]UserChannelImportData, *model.AppError) {
var memberships []UserChannelImportData
result := <-a.Srv.Store.Channel().GetChannelMembersForExport(userId, teamId)
if result.Err != nil {
return nil, result.Err
}
members := result.Data.([]*model.ChannelMemberForExport)
category := model.PREFERENCE_CATEGORY_FAVORITE_CHANNEL
preferences, err := a.GetPreferenceByCategoryForUser(userId, category)
if err != nil {
return nil, err
}
for _, member := range members {
memberships = append(memberships, *ImportUserChannelDataFromChannelMemberAndPreferences(member, &preferences))
}
return &memberships, nil
}
func (a *App) buildUserNotifyProps(notifyProps model.StringMap) *UserNotifyPropsImportData {
getProp := func(key string) *string {
if v, ok := notifyProps[key]; ok {
return &v
}
return nil
}
return &UserNotifyPropsImportData{
Desktop: getProp(model.DESKTOP_NOTIFY_PROP),
DesktopSound: getProp(model.DESKTOP_SOUND_NOTIFY_PROP),
Email: getProp(model.EMAIL_NOTIFY_PROP),
Mobile: getProp(model.MOBILE_NOTIFY_PROP),
MobilePushStatus: getProp(model.MOBILE_PUSH_STATUS_NOTIFY_PROP),
ChannelTrigger: getProp(model.CHANNEL_MENTIONS_NOTIFY_PROP),
CommentsTrigger: getProp(model.COMMENTS_NOTIFY_PROP),
MentionKeys: getProp(model.MENTION_KEYS_NOTIFY_PROP),
}
}
func (a *App) ExportAllPosts(writer io.Writer) *model.AppError {
afterId := strings.Repeat("0", 26)
for {
result := <-a.Srv.Store.Post().GetParentsForExportAfter(1000, afterId)
if result.Err != nil {
return result.Err
}
posts := result.Data.([]*model.PostForExport)
if len(posts) == 0 {
break
}
for _, post := range posts {
afterId = post.Id
// Skip deleted.
if post.DeleteAt != 0 {
continue
}
postLine := ImportLineForPost(post)
// Do the Replies.
replies, err := a.buildPostReplies(post.Id)
if err != nil {
return err
}
reactions, err := a.BuildPostReactions(post.Id)
if err != nil {
return err
}
postLine.Post.Replies = replies
postLine.Post.Reactions = reactions
if err := a.ExportWriteLine(writer, postLine); err != nil {
return err
}
}
}
return nil
}
func (a *App) buildPostReplies(postId string) (*[]ReplyImportData, *model.AppError) {
var replies []ReplyImportData
result := <-a.Srv.Store.Post().GetRepliesForExport(postId)
if result.Err != nil {
return nil, result.Err
}
replyPosts := result.Data.([]*model.ReplyForExport)
for _, reply := range replyPosts {
replyImportObject := ImportReplyFromPost(reply)
if reply.HasReactions == true {
reactionsOfReply, err := a.BuildPostReactions(reply.Id)
if err != nil {
return nil, err
}
replyImportObject.Reactions = reactionsOfReply
}
replies = append(replies, *replyImportObject)
}
return &replies, nil
}
func (a *App) BuildPostReactions(postId string) (*[]ReactionImportData, *model.AppError) {
var reactionsOfPost []ReactionImportData
result := <-a.Srv.Store.Reaction().GetForPost(postId, true)
if result.Err != nil {
return nil, result.Err
}
reactions := result.Data.([]*model.Reaction)
for _, reaction := range reactions {
reactionsOfPost = append(reactionsOfPost, *ImportReactionFromPost(reaction))
}
return &reactionsOfPost, nil
}
func (a *App) ExportCustomEmoji(writer io.Writer, file string, pathToEmojiDir string, dirNameToExportEmoji string) *model.AppError {
pageNumber := 0
for {
customEmojiList, err := a.GetEmojiList(pageNumber, 100, model.EMOJI_SORT_BY_NAME)
if err != nil {
return err
}
if len(customEmojiList) == 0 {
break
}
pageNumber++
pathToDir := a.createDirForEmoji(file, dirNameToExportEmoji)
for _, emoji := range customEmojiList {
emojiImagePath := pathToEmojiDir + emoji.Id + "/image"
err := a.copyEmojiImages(emoji.Id, emojiImagePath, pathToDir)
if err != nil {
return model.NewAppError("BulkExport", "app.export.export_custom_emoji.copy_emoji_images.error", nil, "err="+err.Error(), http.StatusBadRequest)
}
filePath := dirNameToExportEmoji + "/" + emoji.Id + "/image"
emojiImportObject := ImportLineFromEmoji(emoji, filePath)
if err := a.ExportWriteLine(writer, emojiImportObject); err != nil {
return err
}
}
}
return nil
}
// Creates directory named 'exported_emoji' to copy the emoji files
// Directory and the file specified by admin share the same path
func (a *App) createDirForEmoji(file string, dirName string) string {
pathToFile, _ := filepath.Abs(file)
pathSlice := strings.Split(pathToFile, "/")
if len(pathSlice) > 0 {
pathSlice = pathSlice[:len(pathSlice)-1]
}
pathToDir := strings.Join(pathSlice, "/") + "/" + dirName
if _, err := os.Stat(pathToDir); os.IsNotExist(err) {
os.Mkdir(pathToDir, os.ModePerm)
}
return pathToDir
}
// Copies emoji files from 'data/emoji' dir to 'exported_emoji' dir
func (a *App) copyEmojiImages(emojiId string, emojiImagePath string, pathToDir string) error {
var err error
fromPath, err := os.Open(emojiImagePath)
if fromPath == nil || err != nil {
return errors.New("Error reading " + emojiImagePath + "file")
}
defer fromPath.Close()
emojiDir := pathToDir + "/" + emojiId
if _, err := os.Stat(emojiDir); os.IsNotExist(err) {
os.Mkdir(emojiDir, os.ModePerm)
}
if err != nil {
return errors.New("Error creating directory for the emoji " + err.Error())
}
toPath, err := os.OpenFile(emojiDir+"/image", os.O_RDWR|os.O_CREATE, 0666)
if err != nil {
return errors.New("Error creating the image file " + err.Error())
}
defer toPath.Close()
_, err = io.Copy(toPath, fromPath)
if err != nil {
return errors.New("Error copying emojis " + err.Error())
}
return nil
}