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Add workaround for race condition when messages move to different chats

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This commit is contained in:
Tulir Asokan 2023-09-07 17:41:45 +03:00
parent 29320b06fa
commit f6c49ef096
1 changed files with 27 additions and 0 deletions
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27
portal.go
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@ -444,6 +444,24 @@ func isFailSendStatus(status gmproto.MessageStatusType) bool {
}
}
func downloadStatusRank(status gmproto.MessageStatusType) int {
switch status {
case gmproto.MessageStatusType_INCOMING_AUTO_DOWNLOADING:
return 0
case gmproto.MessageStatusType_INCOMING_MANUAL_DOWNLOADING,
gmproto.MessageStatusType_INCOMING_RETRYING_AUTO_DOWNLOAD,
gmproto.MessageStatusType_INCOMING_DOWNLOAD_FAILED,
gmproto.MessageStatusType_INCOMING_YET_TO_MANUAL_DOWNLOAD,
gmproto.MessageStatusType_INCOMING_RETRYING_MANUAL_DOWNLOAD,
gmproto.MessageStatusType_INCOMING_DOWNLOAD_FAILED_SIM_HAS_NO_DATA,
gmproto.MessageStatusType_INCOMING_DOWNLOAD_FAILED_TOO_LARGE,
gmproto.MessageStatusType_INCOMING_DOWNLOAD_CANCELED:
return 1
default:
return 100
}
}
func (portal *Portal) redactMessage(ctx context.Context, msg *database.Message) {
if msg.IsFakeMXID() {
return
@ -474,6 +492,15 @@ func (portal *Portal) redactMessage(ctx context.Context, msg *database.Message)
func (portal *Portal) handleExistingMessageUpdate(ctx context.Context, source *User, dbMsg *database.Message, evt *gmproto.Message, raw []byte) {
log := *zerolog.Ctx(ctx)
newStatus := evt.GetMessageStatus().GetStatus()
// Messages in different portals may have race conditions, ignore the most common case
// (group MMS event happens in DM after group).
if downloadStatusRank(newStatus) < downloadStatusRank(dbMsg.Status.Type) {
log.Debug().
Str("old_status", dbMsg.Status.Type.String()).
Str("new_status", newStatus.String()).
Msg("Ignoring message status change as it's a downgrade")
return
}
chatIDChanged := dbMsg.Chat.ID != portal.ID
hasPendingMedia := dbMsg.Status.HasPendingMediaParts()
updatedMediaIsComplete := !hasInProgressMedia(evt)