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focalboard/server/services/store/sqlstore/blocks.go
2021-07-09 09:11:54 +05:30

580 lines
13 KiB
Go

package sqlstore
import (
"context"
"database/sql"
"encoding/json"
"time"
"github.com/mattermost/focalboard/server/utils"
sq "github.com/Masterminds/squirrel"
_ "github.com/lib/pq" // postgres driver
"github.com/mattermost/focalboard/server/model"
"github.com/mattermost/focalboard/server/services/mlog"
"github.com/mattermost/focalboard/server/services/store"
_ "github.com/mattn/go-sqlite3" // sqlite driver
)
type RootIDNilError struct{}
func (re RootIDNilError) Error() string {
return "rootId is nil"
}
func (s *SQLStore) GetBlocksWithParentAndType(c store.Container, parentID string, blockType string) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"COALESCE(workspace_id, '0')": c.WorkspaceID}).
Where(sq.Eq{"parent_id": parentID}).
Where(sq.Eq{"type": blockType})
rows, err := query.Query()
if err != nil {
s.logger.Error(`getBlocksWithParentAndType ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
func (s *SQLStore) GetBlocksWithParent(c store.Container, parentID string) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"parent_id": parentID}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`getBlocksWithParent ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
func (s *SQLStore) GetBlocksWithRootID(c store.Container, rootID string) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"root_id": rootID}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`GetBlocksWithRootID ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
func (s *SQLStore) GetBlocksWithType(c store.Container, blockType string) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"type": blockType}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`getBlocksWithParentAndType ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
// GetSubTree2 returns blocks within 2 levels of the given blockID.
func (s *SQLStore) GetSubTree2(c store.Container, blockID string) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Or{sq.Eq{"id": blockID}, sq.Eq{"parent_id": blockID}}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`getSubTree ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
// GetSubTree3 returns blocks within 3 levels of the given blockID.
func (s *SQLStore) GetSubTree3(c store.Container, blockID string) ([]model.Block, error) {
// This first subquery returns repeated blocks
query := s.getQueryBuilder().Select(
"l3.id",
"l3.parent_id",
"l3.root_id",
"l3.created_by",
"l3.modified_by",
"l3."+s.escapeField("schema"),
"l3.type",
"l3.title",
"l3.fields",
"l3.create_at",
"l3.update_at",
"l3.delete_at",
).
From(s.tablePrefix + "blocks as l1").
Join(s.tablePrefix + "blocks as l2 on l2.parent_id = l1.id or l2.id = l1.id").
Join(s.tablePrefix + "blocks as l3 on l3.parent_id = l2.id or l3.id = l2.id").
Where(sq.Eq{"l1.id": blockID}).
Where(sq.Eq{"COALESCE(l3.workspace_id, '0')": c.WorkspaceID})
if s.dbType == postgresDBType {
query = query.Options("DISTINCT ON (l3.id)")
} else {
query = query.Distinct()
}
rows, err := query.Query()
if err != nil {
s.logger.Error(`getSubTree3 ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
func (s *SQLStore) GetAllBlocks(c store.Container) ([]model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`getAllBlocks ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
return s.blocksFromRows(rows)
}
func (s *SQLStore) blocksFromRows(rows *sql.Rows) ([]model.Block, error) {
results := []model.Block{}
for rows.Next() {
var block model.Block
var fieldsJSON string
var modifiedBy sql.NullString
err := rows.Scan(
&block.ID,
&block.ParentID,
&block.RootID,
&block.CreatedBy,
&modifiedBy,
&block.Schema,
&block.Type,
&block.Title,
&fieldsJSON,
&block.CreateAt,
&block.UpdateAt,
&block.DeleteAt)
if err != nil {
// handle this error
s.logger.Error(`ERROR blocksFromRows`, mlog.Err(err))
return nil, err
}
if modifiedBy.Valid {
block.ModifiedBy = modifiedBy.String
}
err = json.Unmarshal([]byte(fieldsJSON), &block.Fields)
if err != nil {
// handle this error
s.logger.Error(`ERROR blocksFromRows fields`, mlog.Err(err))
return nil, err
}
results = append(results, block)
}
return results, nil
}
func (s *SQLStore) GetRootID(c store.Container, blockID string) (string, error) {
query := s.getQueryBuilder().Select("root_id").
From(s.tablePrefix + "blocks").
Where(sq.Eq{"id": blockID}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
row := query.QueryRow()
var rootID string
err := row.Scan(&rootID)
if err != nil {
return "", err
}
return rootID, nil
}
func (s *SQLStore) GetParentID(c store.Container, blockID string) (string, error) {
query := s.getQueryBuilder().Select("parent_id").
From(s.tablePrefix + "blocks").
Where(sq.Eq{"id": blockID}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
row := query.QueryRow()
var parentID string
err := row.Scan(&parentID)
if err != nil {
return "", err
}
return parentID, nil
}
func (s *SQLStore) InsertBlock(c store.Container, block *model.Block, userID string) error {
if block.RootID == "" {
return RootIDNilError{}
}
fieldsJSON, err := json.Marshal(block.Fields)
if err != nil {
return err
}
existingBlock, err := s.GetBlock(c, block.ID)
if err != nil {
return err
}
ctx := context.Background()
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return err
}
insertQuery := s.getQueryBuilder().Insert("").
Columns(
"workspace_id",
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"fields",
"create_at",
"update_at",
"delete_at",
)
insertQueryValues := map[string]interface{}{
"workspace_id": c.WorkspaceID,
"id": block.ID,
"parent_id": block.ParentID,
"root_id": block.RootID,
s.escapeField("schema"): block.Schema,
"type": block.Type,
"title": block.Title,
"fields": fieldsJSON,
"delete_at": block.DeleteAt,
"created_by": block.CreatedBy,
"modified_by": block.ModifiedBy,
"create_at": block.CreateAt,
"update_at": block.UpdateAt,
}
block.UpdateAt = utils.GetMillis()
block.ModifiedBy = userID
if existingBlock != nil {
// block with ID exists, so this is an update operation
query := s.getQueryBuilder().Update(s.tablePrefix+"blocks").
Where(sq.Eq{"id": block.ID}).
Set("workspace_id", c.WorkspaceID).
Set("parent_id", block.ParentID).
Set("root_id", block.RootID).
Set("modified_by", block.ModifiedBy).
Set(s.escapeField("schema"), block.Schema).
Set("type", block.Type).
Set("title", block.Title).
Set("fields", fieldsJSON).
Set("update_at", block.UpdateAt).
Set("delete_at", block.DeleteAt)
q, args, err := query.ToSql()
if err != nil {
s.logger.Error("InsertBlock error converting update query object to SQL", mlog.Err(err))
return err
}
if _, err := tx.Exec(q, args...); err != nil {
s.logger.Error(`InsertBlock error occurred while updating existing block`, mlog.String("blockID", block.ID), mlog.Err(err))
return err
}
} else {
block.CreatedBy = userID
block.CreateAt = utils.GetMillis()
block.ModifiedBy = userID
block.UpdateAt = utils.GetMillis()
insertQueryValues["created_by"] = block.CreatedBy
insertQueryValues["create_at"] = block.CreateAt
insertQueryValues["update_at"] = block.UpdateAt
insertQueryValues["modified_by"] = block.ModifiedBy
query := insertQuery.SetMap(insertQueryValues)
_, err = sq.ExecContextWith(ctx, tx, query.Into(s.tablePrefix+"blocks"))
if err != nil {
if rollbackErr := tx.Rollback(); rollbackErr != nil {
s.logger.Warn("Transaction rollback error", mlog.Err(rollbackErr))
}
return err
}
}
// writing block history
query := insertQuery.SetMap(insertQueryValues)
_, err = sq.ExecContextWith(ctx, tx, query.Into(s.tablePrefix+"blocks_history"))
if err != nil {
if rollbackErr := tx.Rollback(); rollbackErr != nil {
s.logger.Warn("Transaction rollback error", mlog.Err(rollbackErr))
}
return err
}
err = tx.Commit()
if err != nil {
return err
}
return nil
}
func (s *SQLStore) DeleteBlock(c store.Container, blockID string, modifiedBy string) error {
ctx := context.Background()
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return err
}
now := time.Now().Unix()
insertQuery := s.getQueryBuilder().Insert(s.tablePrefix+"blocks_history").
Columns(
"workspace_id",
"id",
"modified_by",
"update_at",
"delete_at",
).
Values(
c.WorkspaceID,
blockID,
modifiedBy,
now,
now,
)
_, err = sq.ExecContextWith(ctx, tx, insertQuery)
if err != nil {
if rollbackErr := tx.Rollback(); rollbackErr != nil {
s.logger.Warn("Transaction rollback error", mlog.Err(rollbackErr))
}
return err
}
deleteQuery := s.getQueryBuilder().
Delete(s.tablePrefix + "blocks").
Where(sq.Eq{"id": blockID}).
Where(sq.Eq{"COALESCE(workspace_id, '0')": c.WorkspaceID})
_, err = sq.ExecContextWith(ctx, tx, deleteQuery)
if err != nil {
if rollbackErr := tx.Rollback(); rollbackErr != nil {
s.logger.Warn("Transaction rollback error", mlog.Err(rollbackErr))
}
return err
}
err = tx.Commit()
if err != nil {
return err
}
return nil
}
func (s *SQLStore) GetBlockCountsByType() (map[string]int64, error) {
query := s.getQueryBuilder().
Select(
"type",
"COUNT(*) AS count",
).
From(s.tablePrefix + "blocks").
GroupBy("type")
rows, err := query.Query()
if err != nil {
s.logger.Error(`GetBlockCountsByType ERROR`, mlog.Err(err))
return nil, err
}
defer s.CloseRows(rows)
m := make(map[string]int64)
for rows.Next() {
var blockType string
var count int64
err := rows.Scan(&blockType, &count)
if err != nil {
s.logger.Error("Failed to fetch block count", mlog.Err(err))
return nil, err
}
m[blockType] = count
}
return m, nil
}
func (s *SQLStore) GetBlock(c store.Container, blockID string) (*model.Block, error) {
query := s.getQueryBuilder().
Select(
"id",
"parent_id",
"root_id",
"created_by",
"modified_by",
s.escapeField("schema"),
"type",
"title",
"COALESCE(fields, '{}')",
"create_at",
"update_at",
"delete_at",
).
From(s.tablePrefix + "blocks").
Where(sq.Eq{"id": blockID}).
Where(sq.Eq{"coalesce(workspace_id, '0')": c.WorkspaceID})
rows, err := query.Query()
if err != nil {
s.logger.Error(`GetBlock ERROR`, mlog.Err(err))
return nil, err
}
blocks, err := s.blocksFromRows(rows)
if err != nil {
return nil, err
}
if len(blocks) == 0 {
return nil, nil
}
return &blocks[0], nil
}