mautrix-whatsapp/database/portal.go
2019-01-21 23:55:16 +02:00

163 lines
3.8 KiB
Go

// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2019 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"
"strings"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix-whatsapp/types"
)
type PortalKey struct {
JID types.WhatsAppID
Receiver types.WhatsAppID
}
func GroupPortalKey(jid types.WhatsAppID) PortalKey {
return PortalKey{
JID: jid,
Receiver: jid,
}
}
func NewPortalKey(jid, receiver types.WhatsAppID) PortalKey {
if strings.HasSuffix(jid, "@g.us") {
receiver = jid
}
return PortalKey{
JID: jid,
Receiver: receiver,
}
}
func (key PortalKey) String() string {
if key.Receiver == key.JID {
return key.JID
}
return key.JID + "-" + key.Receiver
}
type PortalQuery struct {
db *Database
log log.Logger
}
func (pq *PortalQuery) CreateTable() error {
_, err := pq.db.Exec(`CREATE TABLE IF NOT EXISTS portal (
jid VARCHAR(25),
receiver VARCHAR(25),
mxid VARCHAR(255) UNIQUE,
name VARCHAR(255) NOT NULL,
topic VARCHAR(255) NOT NULL,
avatar VARCHAR(255) NOT NULL,
PRIMARY KEY (jid, receiver),
FOREIGN KEY (receiver) REFERENCES user(mxid)
)`)
return err
}
func (pq *PortalQuery) New() *Portal {
return &Portal{
db: pq.db,
log: pq.log,
}
}
func (pq *PortalQuery) GetAll() (portals []*Portal) {
rows, err := pq.db.Query("SELECT * FROM portal")
if err != nil || rows == nil {
return nil
}
defer rows.Close()
for rows.Next() {
portals = append(portals, pq.New().Scan(rows))
}
return
}
func (pq *PortalQuery) GetByJID(key PortalKey) *Portal {
return pq.get("SELECT * FROM portal WHERE jid=? AND receiver=?", key.JID, key.Receiver)
}
func (pq *PortalQuery) GetByMXID(mxid types.MatrixRoomID) *Portal {
return pq.get("SELECT * FROM portal WHERE mxid=?", mxid)
}
func (pq *PortalQuery) get(query string, args ...interface{}) *Portal {
row := pq.db.QueryRow(query, args...)
if row == nil {
return nil
}
return pq.New().Scan(row)
}
type Portal struct {
db *Database
log log.Logger
Key PortalKey
MXID types.MatrixRoomID
Name string
Topic string
Avatar string
}
func (portal *Portal) Scan(row Scannable) *Portal {
var mxid sql.NullString
err := row.Scan(&portal.Key.JID, &portal.Key.Receiver, &mxid, &portal.Name, &portal.Topic, &portal.Avatar)
if err != nil {
if err != sql.ErrNoRows {
portal.log.Errorln("Database scan failed:", err)
}
return nil
}
portal.MXID = mxid.String
return portal
}
func (portal *Portal) mxidPtr() *string {
if len(portal.MXID) > 0 {
return &portal.MXID
}
return nil
}
func (portal *Portal) Insert() {
_, err := portal.db.Exec("INSERT INTO portal VALUES (?, ?, ?, ?, ?, ?)",
portal.Key.JID, portal.Key.Receiver, portal.mxidPtr(), portal.Name, portal.Topic, portal.Avatar)
if err != nil {
portal.log.Warnfln("Failed to insert %s: %v", portal.Key, err)
}
}
func (portal *Portal) Update() {
var mxid *string
if len(portal.MXID) > 0 {
mxid = &portal.MXID
}
_, err := portal.db.Exec("UPDATE portal SET mxid=?, name=?, topic=?, avatar=? WHERE jid=? AND receiver=?",
mxid, portal.Name, portal.Topic, portal.Avatar, portal.Key.JID, portal.Key.Receiver)
if err != nil {
portal.log.Warnfln("Failed to update %s: %v", portal.Key, err)
}
}