Jabber: only fetch room history since last received message

[cbay]

When joining a MUC, BitlBee receives all messages from history from the server, which can typically be rather large (on my server, the last 200 messages are stored/sent). It pollutes my channel history, as messages are typically stored multiple times, rather than only once.

When joining a MUC, the client can ask the server to only send messages since a specific date: ​http://xmpp.org/extensions/xep-0045.html#enter-managehistory

Other XMPP clients typically ask the server to send messages since the last message they've received on this MUC.

I was willing to (try to) implement this feature on BitlBee, but I don't know where/how to store the date of the last received message on a MUC. Any suggestion?

[anonymous]

Here is a proof-of-concept patch, on top of 3.4.1. It works for me, although it's rather ugly (the last received message date is stored in a per-room file).