Add avatars, room topics and message deduplication

database/message.go

@@ -0,0 +1,111 @@
+// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
+// Copyright (C) 2018 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 (
+	log "maunium.net/go/maulogger"
+	"maunium.net/go/mautrix-whatsapp/types"
+	"database/sql"
+)
+
+type MessageQuery struct {
+	db  *Database
+	log log.Logger
+}
+
+func (mq *MessageQuery) CreateTable() error {
+	_, err := mq.db.Exec(`CREATE TABLE IF NOT EXISTS message (
+		owner VARCHAR(255),
+		jid   VARCHAR(255),
+		mxid  VARCHAR(255) NOT NULL UNIQUE,
+
+		PRIMARY KEY (owner, jid),
+		FOREIGN KEY (owner) REFERENCES user(mxid)
+	)`)
+	return err
+}
+
+func (mq *MessageQuery) New() *Message {
+	return &Message{
+		db:  mq.db,
+		log: mq.log,
+	}
+}
+
+func (mq *MessageQuery) GetAll(owner types.MatrixUserID) (messages []*Message) {
+	rows, err := mq.db.Query("SELECT * FROM message WHERE owner=?", owner)
+	if err != nil || rows == nil {
+		return nil
+	}
+	defer rows.Close()
+	for rows.Next() {
+		messages = append(messages, mq.New().Scan(rows))
+	}
+	return
+}
+
+func (mq *MessageQuery) GetByJID(owner types.MatrixUserID, jid types.WhatsAppMessageID) *Message {
+	return mq.get("SELECT * FROM message WHERE jid=?", jid)
+}
+
+func (mq *MessageQuery) GetByMXID(mxid types.MatrixEventID) *Message {
+	return mq.get("SELECT * FROM message WHERE mxid=?", mxid)
+}
+
+func (mq *MessageQuery) get(query string, args ...interface{}) *Message {
+	row := mq.db.QueryRow(query, args...)
+	if row == nil {
+		return nil
+	}
+	return mq.New().Scan(row)
+}
+
+type Message struct {
+	db  *Database
+	log log.Logger
+
+	Owner types.MatrixUserID
+	JID   types.WhatsAppMessageID
+	MXID  types.MatrixEventID
+}
+
+func (msg *Message) Scan(row Scannable) *Message {
+	err := row.Scan(&msg.Owner, &msg.JID, &msg.MXID)
+	if err != nil {
+		if err != sql.ErrNoRows {
+			msg.log.Fatalln("Database scan failed:", err)
+		}
+		return nil
+	}
+	return msg
+}
+
+func (msg *Message) Insert() error {
+	_, err := msg.db.Exec("INSERT INTO message VALUES (?, ?, ?)", msg.Owner, msg.JID, msg.MXID)
+	if err != nil {
+		msg.log.Warnfln("Failed to update %s->%s: %v", msg.Owner, msg.JID, err)
+	}
+	return err
+}
+
+func (msg *Message) Update() error {
+	_, err := msg.db.Exec("UPDATE portal SET mxid=? WHERE owner=? AND jid=?", msg.MXID, msg.Owner, msg.JID)
+	if err != nil {
+		msg.log.Warnfln("Failed to update %s->%s: %v", msg.Owner, msg.JID, err)
+	}
+	return err
+}