forked from MirrorHub/mautrix-whatsapp
185 lines
5.7 KiB
Go
185 lines
5.7 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2021 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 database
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import (
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"database/sql"
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"errors"
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"strings"
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"time"
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log "maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix/id"
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"go.mau.fi/whatsmeow/types"
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)
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type MessageQuery struct {
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db *Database
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log log.Logger
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}
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func (mq *MessageQuery) New() *Message {
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return &Message{
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db: mq.db,
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log: mq.log,
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}
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}
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const (
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getAllMessagesQuery = `
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SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error FROM message
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WHERE chat_jid=$1 AND chat_receiver=$2
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`
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getMessageByJIDQuery = `
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SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error FROM message
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WHERE chat_jid=$1 AND chat_receiver=$2 AND jid=$3
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`
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getMessageByMXIDQuery = `
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SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error FROM message
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WHERE mxid=$1
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`
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getLastMessageInChatQuery = `
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SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error FROM message
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WHERE chat_jid=$1 AND chat_receiver=$2 AND timestamp<=$3 AND sent=true ORDER BY timestamp DESC LIMIT 1
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`
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getFirstMessageInChatQuery = `
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SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error FROM message
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WHERE chat_jid=$1 AND chat_receiver=$2 AND sent=true ORDER BY timestamp ASC LIMIT 1
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`
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)
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func (mq *MessageQuery) GetAll(chat PortalKey) (messages []*Message) {
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rows, err := mq.db.Query(getAllMessagesQuery, chat.JID, chat.Receiver)
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if err != nil || rows == nil {
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return nil
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}
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for rows.Next() {
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messages = append(messages, mq.New().Scan(rows))
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}
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return
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}
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func (mq *MessageQuery) GetByJID(chat PortalKey, jid types.MessageID) *Message {
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return mq.maybeScan(mq.db.QueryRow(getMessageByJIDQuery, chat.JID, chat.Receiver, jid))
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}
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func (mq *MessageQuery) GetByMXID(mxid id.EventID) *Message {
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return mq.maybeScan(mq.db.QueryRow(getMessageByMXIDQuery, mxid))
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}
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func (mq *MessageQuery) GetLastInChat(chat PortalKey) *Message {
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return mq.GetLastInChatBefore(chat, time.Now().Add(60*time.Second))
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}
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func (mq *MessageQuery) GetLastInChatBefore(chat PortalKey, maxTimestamp time.Time) *Message {
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msg := mq.maybeScan(mq.db.QueryRow(getLastMessageInChatQuery, chat.JID, chat.Receiver, maxTimestamp.Unix()))
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if msg == nil || msg.Timestamp.IsZero() {
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// Old db, we don't know what the last message is.
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return nil
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}
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return msg
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}
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func (mq *MessageQuery) GetFirstInChat(chat PortalKey) *Message {
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return mq.maybeScan(mq.db.QueryRow(getFirstMessageInChatQuery, chat.JID, chat.Receiver))
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}
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func (mq *MessageQuery) maybeScan(row *sql.Row) *Message {
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if row == nil {
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return nil
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}
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return mq.New().Scan(row)
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}
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type Message struct {
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db *Database
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log log.Logger
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Chat PortalKey
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JID types.MessageID
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MXID id.EventID
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Sender types.JID
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Timestamp time.Time
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Sent bool
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DecryptionError bool
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}
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func (msg *Message) IsFakeMXID() bool {
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return strings.HasPrefix(msg.MXID.String(), "net.maunium.whatsapp.fake::")
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}
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func (msg *Message) IsFakeJID() bool {
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return strings.HasPrefix(msg.JID, "FAKE::")
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}
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func (msg *Message) Scan(row Scannable) *Message {
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var ts int64
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err := row.Scan(&msg.Chat.JID, &msg.Chat.Receiver, &msg.JID, &msg.MXID, &msg.Sender, &ts, &msg.Sent, &msg.DecryptionError)
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if err != nil {
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if !errors.Is(err, sql.ErrNoRows) {
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msg.log.Errorln("Database scan failed:", err)
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}
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return nil
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}
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if ts != 0 {
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msg.Timestamp = time.Unix(ts, 0)
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}
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return msg
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}
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func (msg *Message) Insert() {
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var sender interface{} = msg.Sender
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// Slightly hacky hack to allow inserting empty senders (used for post-backfill dummy events)
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if msg.Sender.IsEmpty() {
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sender = ""
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}
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_, err := msg.db.Exec(`INSERT INTO message
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(chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, decryption_error)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8)`,
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msg.Chat.JID, msg.Chat.Receiver, msg.JID, msg.MXID, sender, msg.Timestamp.Unix(), msg.Sent, msg.DecryptionError)
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if err != nil {
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msg.log.Warnfln("Failed to insert %s@%s: %v", msg.Chat, msg.JID, err)
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}
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}
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func (msg *Message) MarkSent(ts time.Time) {
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msg.Sent = true
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msg.Timestamp = ts
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_, err := msg.db.Exec("UPDATE message SET sent=true, timestamp=$4 WHERE chat_jid=$1 AND chat_receiver=$2 AND jid=$3", msg.Chat.JID, msg.Chat.Receiver, msg.JID, ts.Unix())
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if err != nil {
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msg.log.Warnfln("Failed to update %s@%s: %v", msg.Chat, msg.JID, err)
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}
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}
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func (msg *Message) UpdateMXID(mxid id.EventID, stillDecryptionError bool) {
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msg.MXID = mxid
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msg.DecryptionError = stillDecryptionError
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_, err := msg.db.Exec("UPDATE message SET mxid=$4, decryption_error=$5 WHERE chat_jid=$1 AND chat_receiver=$2 AND jid=$3", msg.Chat.JID, msg.Chat.Receiver, msg.JID, mxid, stillDecryptionError)
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if err != nil {
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msg.log.Warnfln("Failed to update %s@%s: %v", msg.Chat, msg.JID, err)
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}
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}
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func (msg *Message) Delete() {
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_, err := msg.db.Exec("DELETE FROM message WHERE chat_jid=$1 AND chat_receiver=$2 AND jid=$3", msg.Chat.JID, msg.Chat.Receiver, msg.JID)
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if err != nil {
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msg.log.Warnfln("Failed to delete %s@%s: %v", msg.Chat, msg.JID, err)
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}
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}
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