[MM-58745] export/import: enable exporting and importing bots canonically (#28214)

server/channels/app/export.go

@@ -153,6 +153,13 @@ func (a *App) BulkExport(ctx request.CTX, writer io.Writer, outPath string, job
 		return err
 	}
 
+	ctx.Logger().Info("Bulk export: exporting bots")
+	botPPs, err := a.exportAllBots(ctx, job, writer, opts.IncludeProfilePictures)
+	if err != nil {
+		return err
+	}
+	profilePictures = append(profilePictures, botPPs...)
+
 	ctx.Logger().Info("Bulk export: exporting posts")
 	attachments, err := a.exportAllPosts(ctx, job, writer, opts.IncludeAttachments, opts.IncludeArchivedChannels)
 	if err != nil {
@@ -455,6 +462,11 @@ func (a *App) exportAllUsers(ctx request.CTX, job *model.Job, writer io.Writer,
 		for _, user := range users {
 			afterId = user.Id
 
+			// Skip bots as they are exported separately.
+			if user.IsBot {
+				continue
+			}
+
 			// Gathering here the exportable preferences to pass them on to ImportLineFromUser
 			exportedPrefs := make(map[string]*string)
 			allPrefs, err := a.GetPreferencesForUser(ctx, user.Id)
@@ -531,6 +543,64 @@ func (a *App) exportAllUsers(ctx request.CTX, job *model.Job, writer io.Writer,
 	return profilePictures, nil
 }
 
+func (a *App) exportAllBots(ctx request.CTX, job *model.Job, writer io.Writer, includeProfilePictures bool) ([]string, *model.AppError) {
+	afterId := ""
+	cnt := 0
+	profilePictures := []string{}
+
+	const pageSize = 1000
+
+	for {
+		bots, err := a.Srv().Store().Bot().GetAllAfter(pageSize, afterId)
+		if err != nil {
+			return profilePictures, model.NewAppError("exportAllBots", "app.user.get.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+		}
+
+		cnt += len(bots)
+		updateJobProgress(ctx.Logger(), a.Srv().Store(), job, "bots_exported", cnt)
+
+		for _, bot := range bots {
+			afterId = bot.UserId
+
+			var ownerUsername string
+			owner, err := a.Srv().Store().User().Get(ctx.Context(), bot.OwnerId)
+			if err != nil {
+				var nfErr *store.ErrNotFound
+				if errors.As(err, &nfErr) {
+					ownerUsername = bot.OwnerId
+				} else {
+					return profilePictures, model.NewAppError("exportAllBots", "app.user.get.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+				}
+			} else {
+				ownerUsername = owner.Username
+			}
+
+			botLine := ImportLineFromBot(bot, ownerUsername)
+
+			if includeProfilePictures {
+				pp, err := a.GetProfileImagePath(model.UserFromBot(bot))
+				if err != nil {
+					return profilePictures, err
+				}
+				if pp != "" {
+					botLine.Bot.ProfileImage = &pp
+					profilePictures = append(profilePictures, pp)
+				}
+			}
+
+			if err := a.exportWriteLine(writer, botLine); err != nil {
+				return profilePictures, err
+			}
+		}
+
+		if len(bots) < pageSize {
+			break
+		}
+	}
+
+	return profilePictures, nil
+}
+
 func (a *App) buildUserTeamAndChannelMemberships(c request.CTX, userID string, includeArchivedChannels bool) (*[]imports.UserTeamImportData, *model.AppError) {
 	var memberships []imports.UserTeamImportData