Migrate DM and private group message boards to a team (#2557)

* wip * Added data migration for populating categories * wip * Added data migration for populating categories * Store WIP * migration WIP * category CRUD APIs complete * category block API WIP * block category update API done * Fetcehed data into store * Started displayting sidebar data * sidebar WIP * Dashboard - basic changes * Sidebar dashboard btn and board switcher UI only * Sidebar dashboard btn and board switcher UI only * create category dialog WIP * Create category webapp side done * Integrated move card to other category * board to block * Disabled dashboard route for now as we'll implement it in phase 2 * WIP * Added logic to open last board/view on per team level * Add workspace to teams and boards migrations (#1986) * Add workspace to teams and boards migrations * Update json annotations on board models * boards search dialog WIP * Seach dialog WIP * Implemented opening boiard from search results * Boards switcher styliung * Handled update category WS event * Template support * personal server support and styling fixes * test fix WIP * Fixed a bug causing boards to not be moved correctly beteen categories * Fixed webapp tests * fix * Store changes (#2011) * Permissions phase 1 - Websocket updates (#2014) * Store changes * Websockets changes * Permissions phase 1 - Permissions service (#2015) * Store changes * Websockets changes * Permissions service * Api and app updates (#2016) * Store changes * Websockets changes * Permissions service * New API and App changes * Delete and Patch boards and blocks endpoints * Used correct variable * Webapp changes WIP * Open correct team URL * Fixed get block API * Used React context for workspace users * WIP * On load navigation sorted out * WIP * Nav fix * categories WS broadcast * Used real search API * Fixed unfurl ppreview * set active team in sidebar * IMplemented navigation on changing team in sidebar * Misc fixes * close rows inside transaction (#2045) * update syntax for mysql (#2044) * Upadted mutator for new patchBlock API * Updated patchBlock API to use new URL * Listeining to correct event in plugin mode * Implemented WS messages for category operations: * Fix duplicated build tags on Makefile * Sidebar enhancements * Add missing prefix to SQLite migration and fix flaky tests * Sidebar boards menu enhancement * Fix board page interactions (#2144) * Fix patch board card properties error * Fix board interactions * Fix insert blocks interactions * Fix app tests (#2104) * Add json1 tag to vscode launch (#2157) * Fix add, delete and update boards and add board patch generation (#2146) * Fix update boards and add board patch generation * Make add board and add template work, as well as deleting a board * Update the state on board deletion * Delete unused variable * Fix bad parenthesis * Fix board creation inside plugin, options were coming null due websocket message serialization * update property type mutators to use boards API (#2168) * Add permissions modal (#2196) * Initial integration * Permissions modal, websocket updates and API tests implemented * Avoid updating/removing user if there is only one admin left * Fix duplicates on board search * Adds integration test * Addressing PR review comments Co-authored-by: Jesús Espino <jespinog@gmail.com> * Merge * I'm able to compile now * Some fixes around tests execution * Fixing migrations * Fixing migrations order * WIP * Fixing some other compilation problems on tests * Some typescript tests fixed * Fixing javascript tests * Fixing compilation * Fixing some problems to create boards * Load the templates on initial load * Improvements over initial team templates import * Adding new fields in the database * Working on adding duplicate board api * Removing RootID concept entirely * Improving a bit the subscriptions * Fixing store tests for notificationHints * Fixing more tests * fixing tests * Fixing tests * Fixing tests * Fixing some small bugs related to templates * Fixing registration link generation/regeneration * Fixing cypress tests * Adding store tests for duplicateBoard and duplicateBlock * Addressing some TODO comments * Making the export api simpler * Add redirect component for old workspace urls * Removing Dashboard code * Delete only the built-in templates on update * fixing tests * Adding users autocompletion * Updating snapshots * Fixing bad merge * fix panic when creating new card in notifysubscriptions (#2352) * fix lint errors (#2353) * fix lint errors * fix panic when creating new card in notifysubscriptions (#2352) * fix lint errors * fix unit test * Revert "fix unit test" This reverts commit 0ad78aed65. Co-authored-by: Doug Lauder <wiggin77@warpmail.net> * fix sql syntax error for SearchUsersByTeam (#2357) * Fix mentions delivery (#2358) * fix sql syntax error for SearchUsersByTeam * fix mentions delivery Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * update api for octoClient calls, pass correct variables to mutator (#2359) * Fixing tests after merge * Fix sidebar context menu UI issue (#2399) * Fix notification diff for text blocks (#2386) * fix notification diff for text blocks; fix various linter errors. * fix URLs to cards Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * Permissions branch: Fix card links (#2391) * fix notification diff for text blocks; fix various linter errors. * fix URLs to cards Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * Fixing sqlite tests * Fixing server tests * Update migrations to create global templates. (#2397) * fix duplicate templates * revert migrate.go * update UI for empty templates * implement updating built-in templates as global (teamId = 0) * handle error if board not found * update unit test * fix more tests * Update blocks_test.go Fix merge issue * fix migration sql error (#2414) * Fixing frontend tests * Set target team ID when using a global template (#2419) * Fix some server tests * Fixing onboarding creation * Permissions branch: Fix unit tests and CI errors (part 1) (#2425) * Fixing some small memory leaks (#2400) * Fixing some small memory leaks * fixing tests * passing the tags to all test targets * Increasing the timeout of the tests * Fix some type checkings * Permissions branch: Fixes all the linter errors (#2429) * fix linter errors * Reestructuring the router and splitting in more subcomponents (#2403) * Reestructuring the router and splitting in more subcomponents * Removing console.log calls * Removing unneeded selector * Addressing PR comment * Fix redirection to one team when you load directly the boards home path * Using properly the lastTeamID to redirect the user if needed * don't allow last admin change/deleted (#2416) * don't allow last admin change/deleted * update for i18-extract * fixed en.json Co-authored-by: Mattermod <mattermod@users.noreply.github.com> Co-authored-by: Harshil Sharma <harshilsharma63@gmail.com> * Splitting BoardPage component into simpler/smaller components (#2435) * Splitting BoardPage component into simpler/smaller components * Removing unneeded import * Replace go migrate with morph permissions (#2424) * merge origin/replace-go-migrate-with-morph * run go mod tidy on mattermost-plugin and increase test timeout * fix merge issue temprorarily * remove some debug changes * fixing the linter * Allow always team 0 (global) templates fetch (#2472) * Fix problem with viewId 0 in the URL (#2473) * Migrate from binddata to goembed (#2471) * Adding join logic to the board switcher (#2434) * Adding join logic to the board switcher * Using already existing client function and removing the joinBoard one * Adding support for autojoin based on url * Fixing frontend tests * fix webapp compile error, missing enableSharedBoards (#2501) * Fixing duplication on postgres * Adding back views to the sidebar (#2494) * Fix #2507. Update Swagger comments (#2508) * Fix the flash of the template selector on board/team switch (#2490) * Fix the flash of the template selector on board/team switch * More fixes specially around error handling * Fixing the bot badge (#2487) * simplifying a bit the team store sync between channels and focalboard (#2481) * Fix menu tests (#2528) * fix failing menu tests * fix lint error * Added keyboard shortcut for boards switcher (#2407) * Added keyboard shortcut for boards switcher * Fixed a type error * Added some inline comments * Fixed lint * Fixed bug with scroll jumping when the card is opened: (#2477) - avoid remounting of `ScrollingComponent` for each render of `Kanban` component - property `autoFocus` set to false for `CalculationOptions` because it triggers `blur` even for the button in Jest tests and closes the menu - snapshots for tests with `CalculationOptions` updated * Adding the frontend support for permissions and applying it to a big part of the interface. (#2536) * Initial work on permissions gates * Applying permissions gates in more places * Adding more checks to the interface * Adding more permissions gates and keeping the store up to date * fixing some tests * Fixing some more tests * Fixing another test * Fixing all tests and adding some more * Adding no-permission snapshot tests * Addressing PR review comments * Fixing invert behavior * Permissions branch: No sqlstore calls after app shutdown (#2530) * fix webapp compile error, missing enableSharedBoards * refactor app init wip * - ensure all block change notifications are finished before shutting down app - fix unit tests for mysql (insert_at only has 1 second resolution!) * adjust logging Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * Fixed migrations to allow upgrading from previous version (#2535) * Added mechanism to check if schema migration is needed * WIP * WIP * WIP * WIP * Fixed migration * Fixed for SQLite * minor cleaniup * Deleted old schema migration table after running migrations * Removed a debug log * Fixed a bug where the code always tried to delete a table which may or may not exist * Show properly the user avatar in the ShareBoard component (#2542) * Fixing the last CI problems from the permissions-branch (#2541) * Fix history ordering * Giving some times to avoid possible race conditions * Empty * Reverting accidental change in the config.json * Fixed psql migrations for old focalbaord archives * Cleanup * Added missing board type update command * Optimizing table view (#2540) * Optimizing table view * Reducing the amount of rendering for tables * Some other performance improvements * Improve the activeView updates * Some extra simplifications * Another small improvement * Fixing tests * Fixing linter errors * Reducing a bit the amount of dependency with big objects in the store * Small simplification * Removing Commenter role from the user role selector (#2561) * Shareboard cleanup (#2550) * Initial work on permissions gates * Applying permissions gates in more places * Adding more checks to the interface * Adding more permissions gates and keeping the store up to date * fixing some tests * Fixing some more tests * Fixing another test * Fixing all tests and adding some more * Adding no-permission snapshot tests * Addressing PR review comments * cleanup some shareboard settings * remove unused property, fix for user items being displayed for non admin * revert change, allow users to show Co-authored-by: Jesús Espino <jespinog@gmail.com> Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * Fixing comments and cards with the new optimizations in the store (#2560) * Fixing property creation (#2563) * Fix user selection in table view (#2565) * Fixing focus new row in table view (#2567) * Permissions branch: Fix sqlite table lock (CI) (#2568) * fix sqlite table lock * remove test db on teardown * revert .gitignore * fix goimport on migration code * fix typo * more linter fixes * clean up tmp db for sqlstore tests Co-authored-by: Mattermod <mattermod@users.noreply.github.com> * Fixing snapshots * Migrating center panel to functional component (#2562) * Migrating center panel to functional component * Fixing some tests * Fixing another test * Fixing linter errors * Fixing types errors * Fixing linter error * Fixing cypress tests * Fixing the last cypress test * Simpliying a bit the code * Making property insertion more robust * Updating checkbox test * Fixed review comments * Fixed server lint errors Co-authored-by: Miguel de la Cruz <miguel@mcrx.me> Co-authored-by: Scott Bishel <scott.bishel@mattermost.com> Co-authored-by: Chen-I Lim <46905241+chenilim@users.noreply.github.com> Co-authored-by: Jesús Espino <jespinog@gmail.com> Co-authored-by: Doug Lauder <wiggin77@warpmail.net> Co-authored-by: Mattermod <mattermod@users.noreply.github.com> Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com> Co-authored-by: kamre <eremchenko@gmail.com>
2025-07-12 23:50:27 +02:00 · 2022-03-26 04:51:56 +05:30
parent 5df336cf46
commit abc438ef9e
9 changed files with 309 additions and 16 deletions
--- a/mattermost-plugin/.golangci.yml
+++ b/mattermost-plugin/.golangci.yml
@ -67,7 +67,6 @@ linters:
    - unconvert
    - unused
    - whitespace
-    - gocyclo

 issues:
  exclude-rules:
--- a/mattermost-plugin/server/plugin.go
+++ b/mattermost-plugin/server/plugin.go
@ -99,6 +99,7 @@ func (p *Plugin) OnActivate() error {
 		NewMutexFn: func(name string) (*cluster.Mutex, error) {
 			return cluster.NewMutex(p.API, name)
 		},
+		PluginAPI: &p.API,
 	}

 	var db store.Store
--- a/server/.golangci.yml
+++ b/server/.golangci.yml
@ -65,4 +65,3 @@ linters:
    - unconvert
    - unused
    - whitespace
-    - gocyclo
--- a/server/services/store/sqlstore/board.go
+++ b/server/services/store/sqlstore/board.go
@ -213,14 +213,34 @@ func (s *SQLStore) getBoardsForUserAndTeam(db sq.BaseRunner, userID, teamID stri
 func (s *SQLStore) insertBoard(db sq.BaseRunner, board *model.Board, userID string) (*model.Board, error) {
 	propertiesBytes, err := json.Marshal(board.Properties)
 	if err != nil {
+		s.logger.Error(
+			"failed to marshal board.Properties",
+			mlog.String("board_id", board.ID),
+			mlog.String("board.Properties", fmt.Sprintf("%v", board.Properties)),
+			mlog.Err(err),
+		)
 		return nil, err
 	}
+
 	cardPropertiesBytes, err := json.Marshal(board.CardProperties)
 	if err != nil {
+		s.logger.Error(
+			"failed to marshal board.CardProperties",
+			mlog.String("board_id", board.ID),
+			mlog.String("board.CardProperties", fmt.Sprintf("%v", board.CardProperties)),
+			mlog.Err(err),
+		)
 		return nil, err
 	}
+
 	columnCalculationsBytes, err := json.Marshal(board.ColumnCalculations)
 	if err != nil {
+		s.logger.Error(
+			"failed to marshal board.ColumnCalculations",
+			mlog.String("board_id", board.ID),
+			mlog.String("board.ColumnCalculations", fmt.Sprintf("%v", board.ColumnCalculations)),
+			mlog.Err(err),
+		)
 		return nil, err
 	}

@ -290,6 +310,7 @@ func (s *SQLStore) insertBoard(db sq.BaseRunner, board *model.Board, userID stri
 	// writing board history
 	query := insertQuery.SetMap(insertQueryValues).Into(s.tablePrefix + "boards_history")
 	if _, err := query.Exec(); err != nil {
+		s.logger.Error("failed to insert board history", mlog.String("board_id", board.ID), mlog.Err(err))
 		return nil, err
 	}

--- a/server/services/store/sqlstore/migrate.go
+++ b/server/services/store/sqlstore/migrate.go
@ -5,8 +5,13 @@ import (
 	"context"
 	"database/sql"
 	"embed"
+	"errors"
 	"fmt"
+
+	"github.com/mattermost/focalboard/server/utils"
+
 	"path/filepath"
+	"strconv"
 	"text/template"

 	"github.com/mattermost/morph/models"
@ -34,10 +39,15 @@ var assets embed.FS

 const (
 	uniqueIDsMigrationRequiredVersion      = 14
+	teamsAndBoardsMigrationRequiredVersion = 17
+
+	teamLessBoardsMigrationKey = "TeamLessBoardsMigrationComplete"

 	tempSchemaMigrationTableName = "temp_schema_migration"
 )

+var errChannelCreatorNotInTeam = errors.New("channel creator not found in user teams")
+
 func appendMultipleStatementsFlag(connectionString string) (string, error) {
 	config, err := mysqldriver.ParseDSN(connectionString)
 	if err != nil {
@ -219,6 +229,23 @@ func (s *SQLStore) Migrate() error {
 	}

 	if err := s.deleteOldSchemaMigrationTable(); err != nil {
+		if s.isPlugin {
+			mutex.Unlock()
+		}
+		return err
+	}
+
+	if err := ensureMigrationsAppliedUpToVersion(engine, driver, teamsAndBoardsMigrationRequiredVersion); err != nil {
+		if s.isPlugin {
+			mutex.Unlock()
+		}
+		return err
+	}
+
+	if err := s.migrateTeamLessBoards(); err != nil {
+		if s.isPlugin {
+			mutex.Unlock()
+		}
 		return err
 	}

@ -441,6 +468,192 @@ func (s *SQLStore) deleteOldSchemaMigrationTable() error {
 	return nil
 }

+// We no longer support boards existing in DMs and private
+// group messages. This function migrates all boards
+// belonging to a DM to the best possible team.
+func (s *SQLStore) migrateTeamLessBoards() error {
+	if !s.isPlugin {
+		return nil
+	}
+
+	setting, err := s.GetSystemSetting(teamLessBoardsMigrationKey)
+	if err != nil {
+		return fmt.Errorf("cannot get teamless boards migration state: %w", err)
+	}
+
+	// If the migration is already completed, do not run it again.
+	if hasAlreadyRun, _ := strconv.ParseBool(setting); hasAlreadyRun {
+		return nil
+	}
+
+	boards, err := s.getDMBoards(s.db)
+	if err != nil {
+		return err
+	}
+
+	s.logger.Info(fmt.Sprintf("Migrating %d teamless boards to a team", len(boards)))
+
+	// cache for best suitable team for a DM. Since a DM can
+	// contain multiple boards, caching this avoids
+	// duplicate queries for the same DM.
+	channelToTeamCache := map[string]string{}
+
+	tx, err := s.db.BeginTx(context.Background(), nil)
+	if err != nil {
+		s.logger.Error("error starting transaction in migrateTeamLessBoards", mlog.Err(err))
+		return err
+	}
+
+	for i := range boards {
+		// check the cache first
+		teamID, ok := channelToTeamCache[boards[i].ChannelID]
+
+		// query DB if entry not found in cache
+		if !ok {
+			teamID, err = s.getBestTeamForBoard(s.db, boards[i])
+			if err != nil {
+				// don't let one board's error spoil
+				// the mood for others
+				continue
+			}
+		}
+
+		channelToTeamCache[boards[i].ChannelID] = teamID
+		boards[i].TeamID = teamID
+
+		query := s.getQueryBuilder(tx).
+			Update(s.tablePrefix+"boards").
+			Set("team_id", teamID).
+			Set("type", model.BoardTypePrivate).
+			Where(sq.Eq{"id": boards[i].ID})
+
+		if _, err := query.Exec(); err != nil {
+			s.logger.Error("failed to set team id for board", mlog.String("board_id", boards[i].ID), mlog.String("team_id", teamID), mlog.Err(err))
+			return err
+		}
+	}
+
+	if err := s.setSystemSetting(tx, teamLessBoardsMigrationKey, strconv.FormatBool(true)); err != nil {
+		if rollbackErr := tx.Rollback(); rollbackErr != nil {
+			s.logger.Error("transaction rollback error", mlog.Err(rollbackErr), mlog.String("methodName", "migrateTeamLessBoards"))
+		}
+		return fmt.Errorf("cannot mark migration as completed: %w", err)
+	}
+
+	if err := tx.Commit(); err != nil {
+		s.logger.Error("failed to commit migrateTeamLessBoards transaction", mlog.Err(err))
+		return err
+	}
+
+	return nil
+}
+
+func (s *SQLStore) getDMBoards(tx sq.BaseRunner) ([]*model.Board, error) {
+	conditions := sq.And{
+		sq.Eq{"team_id": ""},
+		sq.Or{
+			sq.Eq{"type": "D"},
+			sq.Eq{"type": "G"},
+		},
+	}
+
+	return s.getBoardsByCondition(tx, conditions)
+}
+
+// The destination is selected as the first team where all members
+// of the DM are a part of. If no such team exists,
+// we use the first team to which DM creator belongs to.
+func (s *SQLStore) getBestTeamForBoard(tx sq.BaseRunner, board *model.Board) (string, error) {
+	userTeams, err := s.getBoardUserTeams(tx, board)
+	if err != nil {
+		return "", err
+	}
+
+	teams := [][]interface{}{}
+	for _, userTeam := range userTeams {
+		userTeamInterfaces := make([]interface{}, len(userTeam))
+		for i := range userTeam {
+			userTeamInterfaces[i] = userTeam[i]
+		}
+		teams = append(teams, userTeamInterfaces)
+	}
+
+	commonTeams := utils.Intersection(teams...)
+	var teamID string
+	if len(commonTeams) > 0 {
+		teamID = commonTeams[0].(string)
+	} else {
+		// no common teams found. Let's try finding the best suitable team
+		if board.Type == "D" {
+			// get DM's creator and pick one of their team
+			channel, appErr := (*s.pluginAPI).GetChannel(board.ChannelID)
+			if appErr != nil {
+				s.logger.Error("failed to fetch DM channel for board", mlog.String("board_id", board.ID), mlog.String("channel_id", board.ChannelID), mlog.Err(appErr))
+				return "", appErr
+			}
+
+			if _, ok := userTeams[channel.CreatorId]; !ok {
+				err := fmt.Errorf("%w board_id: %s, channel_id: %s, creator_id: %s", errChannelCreatorNotInTeam, board.ID, board.ChannelID, channel.CreatorId)
+				s.logger.Error(err.Error())
+				return "", err
+			}
+
+			teamID = userTeams[channel.CreatorId][0]
+		} else if board.Type == "G" {
+			// pick the team that has the most users as members
+			teamFrequency := map[string]int{}
+			highestFrequencyTeam := ""
+			highestFrequencyTeamFrequency := -1
+
+			for _, teams := range userTeams {
+				for _, teamID := range teams {
+					teamFrequency[teamID]++
+
+					if teamFrequency[teamID] > highestFrequencyTeamFrequency {
+						highestFrequencyTeamFrequency = teamFrequency[teamID]
+						highestFrequencyTeam = teamID
+					}
+				}
+			}
+
+			teamID = highestFrequencyTeam
+		}
+	}
+
+	return teamID, nil
+}
+
+func (s *SQLStore) getBoardUserTeams(tx sq.BaseRunner, board *model.Board) (map[string][]string, error) {
+	query := s.getQueryBuilder(tx).
+		Select("teammembers.userid", "teammembers.teamid").
+		From("channelmembers").
+		Join("teammembers ON channelmembers.userid = teammembers.userid").
+		Where(sq.Eq{"channelid": board.ChannelID})
+
+	rows, err := query.Query()
+	if err != nil {
+		s.logger.Error("failed to fetch user teams for board", mlog.String("boardID", board.ID), mlog.String("channelID", board.ChannelID), mlog.Err(err))
+		return nil, err
+	}
+
+	defer rows.Close()
+
+	userTeams := map[string][]string{}
+
+	for rows.Next() {
+		var userID, teamID string
+		err := rows.Scan(&userID, &teamID)
+		if err != nil {
+			s.logger.Error("getBoardUserTeams failed to scan SQL query result", mlog.String("boardID", board.ID), mlog.String("channelID", board.ChannelID), mlog.Err(err))
+			return nil, err
+		}
+
+		userTeams[userID] = append(userTeams[userID], teamID)
+	}
+
+	return userTeams, nil
+}
+
 func ensureMigrationsAppliedUpToVersion(engine *morph.Morph, driver drivers.Driver, version int) error {
 	applied, err := driver.AppliedMigrations()
 	if err != nil {
--- a/server/services/store/sqlstore/migrations/000017_add_teams_and_boards.up.sql
+++ b/server/services/store/sqlstore/migrations/000017_add_teams_and_boards.up.sql
@ -108,8 +108,10 @@ CREATE TABLE {{.prefix}}boards_history (
  {{if .postgres}}
  INSERT INTO {{.prefix}}boards (
      SELECT B.id, B.insert_at, C.TeamId, B.channel_id, B.created_by, B.modified_by, C.type, B.title, (B.fields->>'description')::text,
-                 B.fields->>'icon', (B.fields->'showDescription')::text::boolean, (B.fields->'isTemplate')::text::boolean,
-                COALESCE((B.fields->'templateVer')::text, '0')::int,
+                 B.fields->>'icon',
+                 COALESCE((fields->'showDescription')::text::boolean, false),
+                 COALESCE((fields->'isTemplate')::text::boolean, false),
+                 COALESCE((B.fields->'templateVer')::text::int, 0),
                 '{}', B.fields->'cardProperties', B.fields->'columnCalculations', B.create_at,
                 B.update_at, B.delete_at
          FROM {{.prefix}}blocks AS B
@ -118,8 +120,10 @@ CREATE TABLE {{.prefix}}boards_history (
  );
  INSERT INTO {{.prefix}}boards_history (
      SELECT B.id, B.insert_at, C.TeamId, B.channel_id, B.created_by, B.modified_by, C.type, B.title, (B.fields->>'description')::text,
-                 B.fields->>'icon', (B.fields->'showDescription')::text::boolean, (B.fields->'isTemplate')::text::boolean,
-                COALESCE((B.fields->'templateVer')::text, '0')::int,
+                 B.fields->>'icon',
+                 COALESCE((fields->'showDescription')::text::boolean, false),
+                 COALESCE((fields->'isTemplate')::text::boolean, false),
+                 COALESCE((B.fields->'templateVer')::text::int, 0),
                 '{}', B.fields->'cardProperties', B.fields->'columnCalculations', B.create_at,
                 B.update_at, B.delete_at
          FROM {{.prefix}}blocks_history AS B
@ -157,8 +161,10 @@ CREATE TABLE {{.prefix}}boards_history (
  {{if .postgres}}
  INSERT INTO {{.prefix}}boards (
      SELECT id, insert_at, '0', channel_id, created_by, modified_by, 'O', title, (fields->>'description')::text,
-                 B.fields->>'icon', (fields->'showDescription')::text::boolean, (fields->'isTemplate')::text::boolean,
-                (B.fields->'templateVer')::text::int,
+                 B.fields->>'icon',
+                 COALESCE((fields->'showDescription')::text::boolean, false),
+                 COALESCE((fields->'isTemplate')::text::boolean, false),
+                 COALESCE((B.fields->'templateVer')::text::int, 0),
                 '{}', fields->'cardProperties', fields->'columnCalculations', create_at,
                 update_at, delete_at
          FROM {{.prefix}}blocks AS B
@ -166,8 +172,10 @@ CREATE TABLE {{.prefix}}boards_history (
  );
  INSERT INTO {{.prefix}}boards_history (
      SELECT id, insert_at, '0', channel_id, created_by, modified_by, 'O', title, (fields->>'description')::text,
-                 B.fields->>'icon', (fields->'showDescription')::text::boolean, (fields->'isTemplate')::text::boolean,
-                (B.fields->'templateVer')::text::int,
+                 B.fields->>'icon',
+                 COALESCE((fields->'showDescription')::text::boolean, false),
+                 COALESCE((fields->'isTemplate')::text::boolean, false),
+                 COALESCE((B.fields->'templateVer')::text::int, 0),
                 '{}', fields->'cardProperties', fields->'columnCalculations', create_at,
                 update_at, delete_at
          FROM {{.prefix}}blocks_history AS B
@ -177,8 +185,10 @@ CREATE TABLE {{.prefix}}boards_history (
  {{if .mysql}}
  INSERT INTO {{.prefix}}boards (
      SELECT id, insert_at, '0', channel_id, created_by, modified_by, 'O', title, JSON_UNQUOTE(JSON_EXTRACT(fields,'$.description')),
-                 JSON_UNQUOTE(JSON_EXTRACT(fields,'$.icon')), fields->'$.showDescription', fields->'$.isTemplate',
-                 B.fields->'$.templateVer',
+                 JSON_UNQUOTE(JSON_EXTRACT(fields,'$.icon')),
+                 COALESCE(B.fields->'$.showDescription', 'false') = 'true',
+                 COALESCE(JSON_EXTRACT(B.fields, '$.isTemplate'), 'false') = 'true',
+                 COALESCE(B.fields->'$.templateVer', 0),
                 '{}', fields->'$.cardProperties', fields->'$.columnCalculations', create_at,
                 update_at, delete_at
          FROM {{.prefix}}blocks AS B
@ -186,8 +196,10 @@ CREATE TABLE {{.prefix}}boards_history (
  );
  INSERT INTO {{.prefix}}boards_history (
      SELECT id, insert_at, '0', channel_id, created_by, modified_by, 'O', title, JSON_UNQUOTE(JSON_EXTRACT(fields,'$.description')),
-                 JSON_UNQUOTE(JSON_EXTRACT(fields,'$.icon')), fields->'$.showDescription', fields->'$.isTemplate',
-                 B.fields->'$.templateVer',
+                 JSON_UNQUOTE(JSON_EXTRACT(fields,'$.icon')),
+                 COALESCE(B.fields->'$.showDescription', 'false') = 'true',
+                 COALESCE(JSON_EXTRACT(B.fields, '$.isTemplate'), 'false') = 'true',
+                 COALESCE(B.fields->'$.templateVer', 0),
                 '{}', fields->'$.cardProperties', fields->'$.columnCalculations', create_at,
                 update_at, delete_at
          FROM {{.prefix}}blocks_history AS B
--- a/server/services/store/sqlstore/params.go
+++ b/server/services/store/sqlstore/params.go
@ -4,6 +4,8 @@ import (
 	"database/sql"
 	"fmt"

+	"github.com/mattermost/mattermost-server/v6/plugin"
+
 	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )

@ -15,6 +17,7 @@ type Params struct {
 	DB               *sql.DB
 	IsPlugin         bool
 	NewMutexFn       MutexFactory
+	PluginAPI        *plugin.API
 }

 func (p Params) CheckValid() error {
--- a/server/services/store/sqlstore/sqlstore.go
+++ b/server/services/store/sqlstore/sqlstore.go
@ -3,6 +3,8 @@ package sqlstore
 import (
 	"database/sql"

+	"github.com/mattermost/mattermost-server/v6/plugin"
+
 	sq "github.com/Masterminds/squirrel"

 	"github.com/mattermost/focalboard/server/model"
@ -20,6 +22,7 @@ type SQLStore struct {
 	isPlugin         bool
 	logger           *mlog.Logger
 	NewMutexFn       MutexFactory
+	pluginAPI        *plugin.API
 }

 // MutexFactory is used by the store in plugin mode to generate
@ -42,6 +45,7 @@ func New(params Params) (*SQLStore, error) {
 		logger:           params.Logger,
 		isPlugin:         params.IsPlugin,
 		NewMutexFn:       params.NewMutexFn,
+		pluginAPI:        params.PluginAPI,
 	}

 	err := store.Migrate()
--- a/server/utils/utils.go
+++ b/server/utils/utils.go
@ -2,6 +2,7 @@ package utils

 import (
 	"encoding/json"
+	"reflect"
 	"time"

 	mm_model "github.com/mattermost/mattermost-server/v6/model"
@ -54,3 +55,43 @@ func StructToMap(v interface{}) (m map[string]interface{}) {
 	_ = json.Unmarshal(b, &m)
 	return
 }
+
+func intersection(a []interface{}, b []interface{}) []interface{} {
+	set := make([]interface{}, 0)
+	hash := make(map[interface{}]bool)
+	av := reflect.ValueOf(a)
+	bv := reflect.ValueOf(b)
+
+	for i := 0; i < av.Len(); i++ {
+		el := av.Index(i).Interface()
+		hash[el] = true
+	}
+
+	for i := 0; i < bv.Len(); i++ {
+		el := bv.Index(i).Interface()
+		if _, found := hash[el]; found {
+			set = append(set, el)
+		}
+	}
+
+	return set
+}
+
+func Intersection(x ...[]interface{}) []interface{} {
+	if len(x) == 0 {
+		return nil
+	}
+
+	if len(x) == 1 {
+		return x[0]
+	}
+
+	result := x[0]
+	i := 1
+	for i < len(x) {
+		result = intersection(result, x[i])
+		i++
+	}
+
+	return result
+}