public void setLastRequest(MamRequestTable request)
{
dB.InsertOrReplace(request);
}
private async Task RequestMamAsync()
{
state = SetupState.REQUESTING_MAM;
if (!ccHandler.client.connection.DISCO_HELPER.HasFeature(Consts.XML_XEP_0313_NAMESPACE, ccHandler.client.getXMPPAccount().getBareJid()))
{
Logger.Info("No need to request MAM for " + ccHandler.client.getXMPPAccount().getBareJid() + " - not supported.");
Continue();
return;
}
bool extendedMamSupport = ccHandler.client.connection.DISCO_HELPER.HasFeature(Consts.XML_XEP_0313_EXTENDED_NAMESPACE, ccHandler.client.getXMPPAccount().getBareJid());
Logger.Info("Extended MAM support for " + ccHandler.client.getXMPPAccount().getBareJid() + ": " + extendedMamSupport);
MamRequestTable mamRequest = MamDBManager.INSTANCE.getLastRequest(ccHandler.client.getXMPPAccount().getBareJid());
string lastMsgId = null;
DateTime lastMsgDate = DateTime.MinValue;
if (!(mamRequest is null))
{
lastMsgId = mamRequest.lastMsgId;
lastMsgDate = mamRequest.lastUpdate;
}
// Request all MAM messages:
bool done = false;
int iteration = 1;
while (!done)
{
QueryFilter filter = new QueryFilter();
if (extendedMamSupport)
{
// Only extended MAM supports setting the 'after-id' property.
// Reference: https://xmpp.org/extensions/xep-0313.html#support
if (!(lastMsgId is null))
{
filter.AfterId(lastMsgId);
}
}
else
{
// Fallback for servers not supporting 'urn:xmpp:mam:2#extended'.
if (lastMsgDate != DateTime.MinValue)
{
filter.Start(lastMsgDate);
}
}
MessageResponseHelperResult <MamResult> result = await RequestMamWithRetry(filter, 2);
if (result.STATE == MessageResponseHelperResultState.SUCCESS)
{
mamRequest = new MamRequestTable
{
accountId = ccHandler.client.getXMPPAccount().getBareJid(),
lastUpdate = DateTime.Now
};
if (result.RESULT.RESULTS.Count > 0)
{
mamRequest.lastMsgId = result.RESULT.LAST;
lastMsgId = result.RESULT.LAST;
HandleMamMessages(result.RESULT);
Logger.Info("MAM request for " + ccHandler.client.getXMPPAccount().getBareJid() + " received " + result.RESULT.RESULTS.Count + " messages in iteration " + iteration + '.');
Logger.Debug("First: " + result.RESULT.RESULTS[result.RESULT.RESULTS.Count - 1].QUERY_ID + " Last: " + result.RESULT.RESULTS[0].QUERY_ID);
}
if (result.RESULT.COMPLETE || result.RESULT.RESULTS.Count <= 0)
{
done = true;
Logger.Info("MAM request for " + ccHandler.client.getXMPPAccount().getBareJid());
}
DateTime newDate = GetLastMessageDate(result.RESULT);
if (newDate == mamRequest.lastUpdate)
{
done = true;
Logger.Info("MAM request for " + ccHandler.client.getXMPPAccount().getBareJid());
}
else
{
lastMsgDate = newDate;
}
MamDBManager.INSTANCE.setLastRequest(mamRequest);
}
else if (state == SetupState.REQUESTING_MAM)
{
done = true;
Logger.Warn("Failed to request MAM archive for " + ccHandler.client.getXMPPAccount().getBareJid() + " with: " + result.STATE);
}
++iteration;
}
Continue();
}
