Files
mirrors-mautrix-telegram/pkg/connector/store/username.go
2026-05-13 15:26:59 +03:00

80 lines
2.7 KiB
Go

// mautrix-telegram - A Matrix-Telegram puppeting bridge.
// Copyright (C) 2025 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package store
import (
"context"
"database/sql"
"errors"
"strings"
"go.mau.fi/util/dbutil"
"go.mau.fi/mautrix-telegram/pkg/connector/ids"
)
type UsernameQuery struct {
db *dbutil.Database
}
const (
getUsernameQuery = "SELECT username FROM telegram_username WHERE entity_type=$1 AND entity_id=$2"
setUsernameQuery = `
INSERT INTO telegram_username (username, entity_type, entity_id)
VALUES ($1, $2, $3)
ON CONFLICT (username) DO UPDATE SET
entity_type=excluded.entity_type,
entity_id=excluded.entity_id
`
getByUsernameQuery = "SELECT entity_type, entity_id FROM telegram_username WHERE LOWER(username)=$1"
clearUsernameQuery = `DELETE FROM telegram_username WHERE entity_type=$1 AND entity_id=$2 AND LOWER(username)<>$3`
deleteUsernameQuery = `DELETE FROM telegram_username WHERE LOWER(username)=$1`
)
func (s *UsernameQuery) Get(ctx context.Context, entityType ids.PeerType, userID int64) (username string, err error) {
err = s.db.QueryRow(ctx, getUsernameQuery, entityType, userID).Scan(&username)
if errors.Is(err, sql.ErrNoRows) {
err = nil
}
return
}
func (s *UsernameQuery) Set(ctx context.Context, entityType ids.PeerType, entityID int64, username string) (err error) {
if username == "" {
_, err = s.db.Exec(ctx, clearUsernameQuery, entityType, entityID, "")
} else {
_, err = s.db.Exec(ctx, setUsernameQuery, username, entityType, entityID)
if err == nil {
_, err = s.db.Exec(ctx, clearUsernameQuery, entityType, entityID, username)
}
}
return
}
func (s *UsernameQuery) Delete(ctx context.Context, username string) (err error) {
_, err = s.db.Exec(ctx, deleteUsernameQuery, strings.ToLower(username))
return
}
func (s *UsernameQuery) GetEntityID(ctx context.Context, username string) (entityType ids.PeerType, entityID int64, err error) {
err = s.db.QueryRow(ctx, getByUsernameQuery, strings.ToLower(username)).Scan(&entityType, &entityID)
if errors.Is(err, sql.ErrNoRows) {
err = nil
}
return
}