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Merge pull request #486 from mautrix/sumner/bri-3092

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backfill: add notification of disappearing messages at correct timestamp
This commit is contained in:
Sumner Evans 2022-04-30 01:08:36 -06:00 committed by GitHub
parent 8b39175b76 3096786454
commit 2abbf160a7
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2 changed files with 43 additions and 2 deletions
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9
backfillqueue.go
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@ -40,7 +40,14 @@ func (bq *BackfillQueue) RunLoop(user *User) {
if backfill.BackfillType == database.BackfillImmediate || backfill.BackfillType == database.BackfillForward {
bq.ImmediateBackfillRequests <- backfill
} else {
bq.DeferredBackfillRequests <- backfill
select {
case <-bq.ReCheckQueue:
// If a queue re-check is requested, interrupt sending the
// backfill request to the deferred channel so that
// immediate backfills can happen ASAP.
continue
case bq.DeferredBackfillRequests <- backfill:
}
}
backfill.MarkDone()
} else {

36
historysync.go
View file

@ -158,7 +158,19 @@ func (user *User) backfillInChunks(req *database.Backfill, conv *database.Histor
}
}
allMsgs := user.bridge.DB.HistorySyncQuery.GetMessagesBetween(user.MXID, conv.ConversationID, req.TimeStart, req.TimeEnd, req.MaxTotalEvents)
if len(allMsgs) == 0 {
sendDisappearedNotice := false
// If expired messages are on, and a notice has not been sent to this chat
// about it having disappeared messages at the conversation timestamp, send
// a notice indicating so.
if len(allMsgs) == 0 && conv.EphemeralExpiration != nil && *conv.EphemeralExpiration > 0 {
lastMessage := portal.bridge.DB.Message.GetLastInChat(portal.Key)
if lastMessage == nil || !conv.LastMessageTimestamp.Equal(lastMessage.Timestamp) {
sendDisappearedNotice = true
}
}
if !sendDisappearedNotice && len(allMsgs) == 0 {
user.log.Debugfln("Not backfilling %s: no bridgeable messages found", portal.Key.JID)
return
}
@ -172,6 +184,28 @@ func (user *User) backfillInChunks(req *database.Backfill, conv *database.Histor
}
}
if sendDisappearedNotice {
user.log.Debugfln("Sending notice to %s that there are disappeared messages ending at %v", portal.Key.JID, conv.LastMessageTimestamp)
resp, err := portal.sendMessage(portal.MainIntent(), event.EventMessage, &event.MessageEventContent{
MsgType: event.MsgNotice,
Body: portal.formatDisappearingMessageNotice(),
}, nil, conv.LastMessageTimestamp.UnixMilli())
if err != nil {
portal.log.Errorln("Error sending disappearing messages notice event")
return
}
msg := portal.bridge.DB.Message.New()
msg.Chat = portal.Key
msg.MXID = resp.EventID
msg.JID = types.MessageID(resp.EventID)
msg.Timestamp = conv.LastMessageTimestamp
msg.Sent = true
msg.Insert()
return
}
user.log.Infofln("Backfilling %d messages in %s, %d messages at a time (queue ID: %d)", len(allMsgs), portal.Key.JID, req.MaxBatchEvents, req.QueueID)
toBackfill := allMsgs[0:]
var insertionEventIds []id.EventID