Files
mattermost/store/sqlstore/preference_store.go
2021-07-21 16:38:39 +02:00

288 lines
9.1 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package sqlstore
import (
sq "github.com/Masterminds/squirrel"
"github.com/mattermost/gorp"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/shared/mlog"
"github.com/mattermost/mattermost-server/v5/store"
"github.com/pkg/errors"
)
type SqlPreferenceStore struct {
*SqlStore
}
func newSqlPreferenceStore(sqlStore *SqlStore) store.PreferenceStore {
s := &SqlPreferenceStore{sqlStore}
for _, db := range sqlStore.GetAllConns() {
table := db.AddTableWithName(model.Preference{}, "Preferences").SetKeys(false, "UserId", "Category", "Name")
table.ColMap("UserId").SetMaxSize(26)
table.ColMap("Category").SetMaxSize(32)
table.ColMap("Name").SetMaxSize(32)
table.ColMap("Value").SetMaxSize(2000)
}
return s
}
func (s SqlPreferenceStore) createIndexesIfNotExists() {
s.CreateIndexIfNotExists("idx_preferences_category", "Preferences", "Category")
s.CreateIndexIfNotExists("idx_preferences_name", "Preferences", "Name")
}
func (s SqlPreferenceStore) deleteUnusedFeatures() {
mlog.Debug("Deleting any unused pre-release features")
sql, args, err := s.getQueryBuilder().
Delete("Preferences").
Where(sq.Eq{"Category": model.PreferenceCategoryAdvancedSettings}).
Where(sq.Eq{"Value": "false"}).
Where(sq.Like{"Name": store.FeatureTogglePrefix + "%"}).ToSql()
if err != nil {
mlog.Warn(errors.Wrap(err, "could not build sql query to delete unused features!").Error())
}
if _, err = s.GetMaster().Exec(sql, args...); err != nil {
mlog.Warn("Failed to delete unused features", mlog.Err(err))
}
}
func (s SqlPreferenceStore) Save(preferences *model.Preferences) error {
// wrap in a transaction so that if one fails, everything fails
transaction, err := s.GetMaster().Begin()
if err != nil {
return errors.Wrap(err, "begin_transaction")
}
defer finalizeTransaction(transaction)
for _, preference := range *preferences {
preference := preference
if upsertErr := s.save(transaction, &preference); upsertErr != nil {
return upsertErr
}
}
if err := transaction.Commit(); err != nil {
// don't need to rollback here since the transaction is already closed
return errors.Wrap(err, "commit_transaction")
}
return nil
}
func (s SqlPreferenceStore) save(transaction *gorp.Transaction, preference *model.Preference) error {
preference.PreUpdate()
if err := preference.IsValid(); err != nil {
return err
}
query := s.getQueryBuilder().
Insert("Preferences").
Columns("UserId", "Category", "Name", "Value").
Values(preference.UserId, preference.Category, preference.Name, preference.Value)
if s.DriverName() == model.DatabaseDriverMysql {
query = query.SuffixExpr(sq.Expr("ON DUPLICATE KEY UPDATE Value = ?", preference.Value))
} else if s.DriverName() == model.DatabaseDriverPostgres {
query = query.SuffixExpr(sq.Expr("ON CONFLICT (userid, category, name) DO UPDATE SET Value = ?", preference.Value))
} else {
return store.NewErrNotImplemented("failed to update preference because of missing driver")
}
queryString, args, err := query.ToSql()
if err != nil {
return errors.Wrap(err, "failed to generate sqlquery")
}
if _, err = transaction.Exec(queryString, args...); err != nil {
return errors.Wrap(err, "failed to save Preference")
}
return nil
}
func (s SqlPreferenceStore) Get(userId string, category string, name string) (*model.Preference, error) {
var preference *model.Preference
query, args, err := s.getQueryBuilder().
Select("*").
From("Preferences").
Where(sq.Eq{"UserId": userId}).
Where(sq.Eq{"Category": category}).
Where(sq.Eq{"Name": name}).
ToSql()
if err != nil {
return nil, errors.Wrap(err, "could not build sql query to get preference")
}
if err = s.GetReplica().SelectOne(&preference, query, args...); err != nil {
return nil, errors.Wrapf(err, "failed to find Preference with userId=%s, category=%s, name=%s", userId, category, name)
}
return preference, nil
}
func (s SqlPreferenceStore) GetCategory(userId string, category string) (model.Preferences, error) {
var preferences model.Preferences
query, args, err := s.getQueryBuilder().
Select("*").
From("Preferences").
Where(sq.Eq{"UserId": userId}).
Where(sq.Eq{"Category": category}).
ToSql()
if err != nil {
return nil, errors.Wrap(err, "could not build sql query to get preference")
}
if _, err = s.GetReplica().Select(&preferences, query, args...); err != nil {
return nil, errors.Wrapf(err, "failed to find Preference with userId=%s, category=%s", userId, category)
}
return preferences, nil
}
func (s SqlPreferenceStore) GetAll(userId string) (model.Preferences, error) {
var preferences model.Preferences
query, args, err := s.getQueryBuilder().
Select("*").
From("Preferences").
Where(sq.Eq{"UserId": userId}).
ToSql()
if err != nil {
return nil, errors.Wrap(err, "could not build sql query to get preference")
}
if _, err = s.GetReplica().Select(&preferences, query, args...); err != nil {
return nil, errors.Wrapf(err, "failed to find Preference with userId=%s", userId)
}
return preferences, nil
}
func (s SqlPreferenceStore) PermanentDeleteByUser(userId string) error {
sql, args, err := s.getQueryBuilder().
Delete("Preferences").
Where(sq.Eq{"UserId": userId}).ToSql()
if err != nil {
return errors.Wrap(err, "could not build sql query to get delete preference by user")
}
if _, err := s.GetMaster().Exec(sql, args...); err != nil {
return errors.Wrapf(err, "failed to delete Preference with userId=%s", userId)
}
return nil
}
func (s SqlPreferenceStore) Delete(userId, category, name string) error {
sql, args, err := s.getQueryBuilder().
Delete("Preferences").
Where(sq.Eq{"UserId": userId}).
Where(sq.Eq{"Category": category}).
Where(sq.Eq{"Name": name}).ToSql()
if err != nil {
return errors.Wrap(err, "could not build sql query to get delete preference")
}
if _, err = s.GetMaster().Exec(sql, args...); err != nil {
return errors.Wrapf(err, "failed to delete Preference with userId=%s, category=%s and name=%s", userId, category, name)
}
return nil
}
func (s SqlPreferenceStore) DeleteCategory(userId string, category string) error {
sql, args, err := s.getQueryBuilder().
Delete("Preferences").
Where(sq.Eq{"UserId": userId}).
Where(sq.Eq{"Category": category}).ToSql()
if err != nil {
return errors.Wrap(err, "could not build sql query to get delete preference by category")
}
if _, err = s.GetMaster().Exec(sql, args...); err != nil {
return errors.Wrapf(err, "failed to delete Preference with userId=%s and category=%s", userId, category)
}
return nil
}
func (s SqlPreferenceStore) DeleteCategoryAndName(category string, name string) error {
sql, args, err := s.getQueryBuilder().
Delete("Preferences").
Where(sq.Eq{"Name": name}).
Where(sq.Eq{"Category": category}).ToSql()
if err != nil {
return errors.Wrap(err, "could not build sql query to get delete preference by category and name")
}
if _, err = s.GetMaster().Exec(sql, args...); err != nil {
return errors.Wrapf(err, "failed to delete Preference with category=%s and name=%s", category, name)
}
return nil
}
// DeleteOrphanedRows removes entries from Preferences (flagged post) when a
// corresponding post no longer exists.
func (s *SqlPreferenceStore) DeleteOrphanedRows(limit int) (deleted int64, err error) {
// We need the extra level of nesting to deal with MySQL's locking
const query = `
DELETE FROM Preferences WHERE Name IN (
SELECT * FROM (
SELECT Preferences.Name FROM Preferences
LEFT JOIN Posts ON Preferences.Name = Posts.Id
WHERE Posts.Id IS NULL AND Category = :Category
LIMIT :Limit
) AS A
)`
props := map[string]interface{}{"Limit": limit, "Category": model.PreferenceCategoryFlaggedPost}
result, err := s.GetMaster().Exec(query, props)
if err != nil {
return
}
deleted, err = result.RowsAffected()
return
}
func (s SqlPreferenceStore) CleanupFlagsBatch(limit int64) (int64, error) {
if limit < 0 {
// uint64 does not throw an error, it overflows if it is negative.
// it is better to manually check here, or change the function type to uint64
return int64(0), errors.Errorf("Received a negative limit")
}
nameInQ, nameInArgs, err := sq.Select("*").
FromSelect(
sq.Select("Preferences.Name").
From("Preferences").
LeftJoin("Posts ON Preferences.Name = Posts.Id").
Where(sq.Eq{"Preferences.Category": model.PreferenceCategoryFlaggedPost}).
Where(sq.Eq{"Posts.Id": nil}).
Limit(uint64(limit)),
"t").
ToSql()
if err != nil {
return int64(0), errors.Wrap(err, "could not build nested sql query to delete preference")
}
query, args, err := s.getQueryBuilder().Delete("Preferences").
Where(sq.Eq{"Category": model.PreferenceCategoryFlaggedPost}).
Where(sq.Expr("name IN ("+nameInQ+")", nameInArgs...)).
ToSql()
if err != nil {
return int64(0), errors.Wrap(err, "could not build sql query to delete preference")
}
sqlResult, err := s.GetMaster().Exec(query, args...)
if err != nil {
return int64(0), errors.Wrap(err, "failed to delete Preference")
}
rowsAffected, err := sqlResult.RowsAffected()
if err != nil {
return int64(0), errors.Wrap(err, "unable to get rows affected")
}
return rowsAffected, nil
}