mautrix-whatsapp/database/database.go
2022-05-11 17:10:55 -06:00

156 lines
4 KiB
Go

// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2022 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 database
import (
"database/sql"
"errors"
"fmt"
"net"
"time"
"github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
log "maunium.net/go/maulogger/v2"
"go.mau.fi/whatsmeow/store"
"go.mau.fi/whatsmeow/store/sqlstore"
"maunium.net/go/mautrix-whatsapp/config"
"maunium.net/go/mautrix-whatsapp/database/upgrades"
)
func init() {
sqlstore.PostgresArrayWrapper = pq.Array
}
type Database struct {
*sql.DB
log log.Logger
dialect string
User *UserQuery
Portal *PortalQuery
Puppet *PuppetQuery
Message *MessageQuery
Reaction *ReactionQuery
DisappearingMessage *DisappearingMessageQuery
Backfill *BackfillQuery
HistorySync *HistorySyncQuery
MediaBackfillRequest *MediaBackfillRequestQuery
}
func New(cfg config.DatabaseConfig, baseLog log.Logger) (*Database, error) {
conn, err := sql.Open(cfg.Type, cfg.URI)
if err != nil {
return nil, err
}
db := &Database{
DB: conn,
log: baseLog.Sub("Database"),
dialect: cfg.Type,
}
db.User = &UserQuery{
db: db,
log: db.log.Sub("User"),
}
db.Portal = &PortalQuery{
db: db,
log: db.log.Sub("Portal"),
}
db.Puppet = &PuppetQuery{
db: db,
log: db.log.Sub("Puppet"),
}
db.Message = &MessageQuery{
db: db,
log: db.log.Sub("Message"),
}
db.Reaction = &ReactionQuery{
db: db,
log: db.log.Sub("Reaction"),
}
db.DisappearingMessage = &DisappearingMessageQuery{
db: db,
log: db.log.Sub("DisappearingMessage"),
}
db.Backfill = &BackfillQuery{
db: db,
log: db.log.Sub("Backfill"),
}
db.HistorySync = &HistorySyncQuery{
db: db,
log: db.log.Sub("HistorySync"),
}
db.MediaBackfillRequest = &MediaBackfillRequestQuery{
db: db,
log: db.log.Sub("MediaBackfillRequest"),
}
db.SetMaxOpenConns(cfg.MaxOpenConns)
db.SetMaxIdleConns(cfg.MaxIdleConns)
if len(cfg.ConnMaxIdleTime) > 0 {
maxIdleTimeDuration, err := time.ParseDuration(cfg.ConnMaxIdleTime)
if err != nil {
return nil, fmt.Errorf("failed to parse max_conn_idle_time: %w", err)
}
db.SetConnMaxIdleTime(maxIdleTimeDuration)
}
if len(cfg.ConnMaxLifetime) > 0 {
maxLifetimeDuration, err := time.ParseDuration(cfg.ConnMaxLifetime)
if err != nil {
return nil, fmt.Errorf("failed to parse max_conn_idle_time: %w", err)
}
db.SetConnMaxLifetime(maxLifetimeDuration)
}
return db, nil
}
func (db *Database) Init() error {
return upgrades.Run(db.log.Sub("Upgrade"), db.dialect, db.DB)
}
type Scannable interface {
Scan(...interface{}) error
}
func isRetryableError(err error) bool {
if pqError := (&pq.Error{}); errors.As(err, &pqError) {
switch pqError.Code.Class() {
case "08", // Connection Exception
"53", // Insufficient Resources (e.g. too many connections)
"57": // Operator Intervention (e.g. server restart)
return true
}
} else if netError := (&net.OpError{}); errors.As(err, &netError) {
return true
}
return false
}
func (db *Database) HandleSignalStoreError(device *store.Device, action string, attemptIndex int, err error) (retry bool) {
if db.dialect != "sqlite" && isRetryableError(err) {
sleepTime := time.Duration(attemptIndex*2) * time.Second
device.Log.Warnf("Failed to %s (attempt #%d): %v - retrying in %v", action, attemptIndex+1, err, sleepTime)
time.Sleep(sleepTime)
return true
}
device.Log.Errorf("Failed to %s: %v", action, err)
return false
}