mautrix-whatsapp/database/mediabackfillrequest.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2022 Tulir Asokan, Sumner Evans
//
// 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"
_ "github.com/mattn/go-sqlite3"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix/id"
)
type MediaBackfillRequestStatus int
const (
MediaBackfillRequestStatusNotRequested MediaBackfillRequestStatus = iota
MediaBackfillRequestStatusRequested
MediaBackfillRequestStatusRequestFailed
)
type MediaBackfillRequestQuery struct {
db *Database
log log.Logger
}
type MediaBackfillRequest struct {
db *Database
log log.Logger
UserID id.UserID
PortalKey *PortalKey
EventID id.EventID
MediaKey []byte
Status MediaBackfillRequestStatus
Error string
}
func (mbrq *MediaBackfillRequestQuery) newMediaBackfillRequest() *MediaBackfillRequest {
return &MediaBackfillRequest{
db: mbrq.db,
log: mbrq.log,
PortalKey: &PortalKey{},
}
}
func (mbrq *MediaBackfillRequestQuery) NewMediaBackfillRequestWithValues(userID id.UserID, portalKey *PortalKey, eventID id.EventID, mediaKey []byte) *MediaBackfillRequest {
return &MediaBackfillRequest{
db: mbrq.db,
log: mbrq.log,
UserID: userID,
PortalKey: portalKey,
EventID: eventID,
MediaKey: mediaKey,
Status: MediaBackfillRequestStatusNotRequested,
}
}
const (
getMediaBackfillRequestsForUser = `
SELECT user_mxid, portal_jid, portal_receiver, event_id, media_key, status, error
FROM media_backfill_requests
WHERE user_mxid=$1
AND status=0
`
)
func (mbr *MediaBackfillRequest) Upsert() {
_, err := mbr.db.Exec(`
INSERT INTO media_backfill_requests (user_mxid, portal_jid, portal_receiver, event_id, media_key, status, error)
VALUES ($1, $2, $3, $4, $5, $6, $7)
ON CONFLICT (user_mxid, portal_jid, portal_receiver, event_id)
DO UPDATE SET
media_key=EXCLUDED.media_key,
status=EXCLUDED.status,
error=EXCLUDED.error`,
mbr.UserID,
mbr.PortalKey.JID.String(),
mbr.PortalKey.Receiver.String(),
mbr.EventID,
mbr.MediaKey,
mbr.Status,
mbr.Error)
if err != nil {
mbr.log.Warnfln("Failed to insert media backfill request %s/%s/%s: %v", mbr.UserID, mbr.PortalKey.String(), mbr.EventID, err)
}
}
func (mbr *MediaBackfillRequest) Scan(row Scannable) *MediaBackfillRequest {
err := row.Scan(&mbr.UserID, &mbr.PortalKey.JID, &mbr.PortalKey.Receiver, &mbr.EventID, &mbr.MediaKey, &mbr.Status, &mbr.Error)
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
mbr.log.Errorln("Database scan failed:", err)
}
return nil
}
return mbr
}
func (mbr *MediaBackfillRequestQuery) GetMediaBackfillRequestsForUser(userID id.UserID) (requests []*MediaBackfillRequest) {
rows, err := mbr.db.Query(getMediaBackfillRequestsForUser, userID)
defer rows.Close()
if err != nil || rows == nil {
return nil
}
for rows.Next() {
requests = append(requests, mbr.newMediaBackfillRequest().Scan(rows))
}
return
}
func (mbr *MediaBackfillRequestQuery) DeleteAllMediaBackfillRequests(userID id.UserID) error {
_, err := mbr.db.Exec("DELETE FROM media_backfill_requests WHERE user_mxid=$1", userID)
return err
}