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