mautrix-whatsapp/database/disappearingmessage.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2024 Tulir Asokan
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//
// 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 (
"context"
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"database/sql"
"time"
"maunium.net/go/mautrix/id"
"go.mau.fi/util/dbutil"
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)
type DisappearingMessageQuery struct {
*dbutil.QueryHelper[*DisappearingMessage]
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}
func newDisappearingMessage(qh *dbutil.QueryHelper[*DisappearingMessage]) *DisappearingMessage {
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return &DisappearingMessage{
qh: qh,
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}
}
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func (dmq *DisappearingMessageQuery) NewWithValues(roomID id.RoomID, eventID id.EventID, expireIn time.Duration, expireAt time.Time) *DisappearingMessage {
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dm := &DisappearingMessage{
qh: dmq.QueryHelper,
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RoomID: roomID,
EventID: eventID,
ExpireIn: expireIn,
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ExpireAt: expireAt,
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}
return dm
}
const (
getAllScheduledDisappearingMessagesQuery = `
SELECT room_id, event_id, expire_in, expire_at FROM disappearing_message WHERE expire_at IS NOT NULL AND expire_at <= $1
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`
insertDisappearingMessageQuery = `INSERT INTO disappearing_message (room_id, event_id, expire_in, expire_at) VALUES ($1, $2, $3, $4)`
updateDisappearingMessageExpiryQuery = "UPDATE disappearing_message SET expire_at=$1 WHERE room_id=$2 AND event_id=$3"
deleteDisappearingMessageQuery = "DELETE FROM disappearing_message WHERE room_id=$1 AND event_id=$2"
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)
func (dmq *DisappearingMessageQuery) GetUpcomingScheduled(ctx context.Context, duration time.Duration) ([]*DisappearingMessage, error) {
return dmq.QueryMany(ctx, getAllScheduledDisappearingMessagesQuery, time.Now().Add(duration).UnixMilli())
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}
type DisappearingMessage struct {
qh *dbutil.QueryHelper[*DisappearingMessage]
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RoomID id.RoomID
EventID id.EventID
ExpireIn time.Duration
ExpireAt time.Time
}
func (msg *DisappearingMessage) Scan(row dbutil.Scannable) (*DisappearingMessage, error) {
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var expireIn int64
var expireAt sql.NullInt64
err := row.Scan(&msg.RoomID, &msg.EventID, &expireIn, &expireAt)
if err != nil {
return nil, err
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}
msg.ExpireIn = time.Duration(expireIn) * time.Millisecond
if expireAt.Valid {
msg.ExpireAt = time.UnixMilli(expireAt.Int64)
}
return msg, nil
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}
func (msg *DisappearingMessage) sqlVariables() []any {
return []any{msg.RoomID, msg.EventID, msg.ExpireIn.Milliseconds(), dbutil.UnixMilliPtr(msg.ExpireAt)}
}
func (msg *DisappearingMessage) Insert(ctx context.Context) error {
return msg.qh.Exec(ctx, insertDisappearingMessageQuery, msg.sqlVariables()...)
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}
func (msg *DisappearingMessage) StartTimer(ctx context.Context) error {
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msg.ExpireAt = time.Now().Add(msg.ExpireIn * time.Second)
return msg.qh.Exec(ctx, updateDisappearingMessageExpiryQuery, msg.ExpireAt.Unix(), msg.RoomID, msg.EventID)
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}
func (msg *DisappearingMessage) Delete(ctx context.Context) error {
return msg.qh.Exec(ctx, deleteDisappearingMessageQuery, msg.RoomID, msg.EventID)
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}