On 19/12/12 08:14, Justin Karneges wrote:
On Wednesday, December 19, 2012 08:14:34 AM David E. Ammouial wrote:
I'm currently switching from Gajim to Empathy (trying it out becomes I'm
discovering GNOME 3), and as a user I'd like to express a wish to client
developers: IMHO, clients should store the chat history at the same place.
[...]
Of course, the exact format would need to be thoughtfully defined, but
does the goal itself sound reasonable?

(I'm well aware of the efforts to store history on server side, but I
think local history will still be around for a while.)

I've been wanting this since forever. Email has mbox and Maildir. IM could use
something similar. Maybe we could even just use an email format (conversations
in RFC822 format anyone?). I say it now just so it gets said.

I think you're suggesting storing each message as a separate email?

For a data point, Google Talk conversation logs show up over IMAP as emails, with one email per conversation. One alternative in the mail is human-readable HTML; the more interesting one is a <conversation xmlns='google:archive:conversation'> document with simple <message xmlns='jabber:client'> children. 1-1 conversations have the From: header set to your correspondent; MUCs have all participants in CC:.

I spent a little while hooking this up to Telepathy's log storage a few months ago and it was pretty straightforward, because of course we already have the machinery needed to show <message>s. Appending messages to the log file as a conversation continues would be more painful in that format, though.

Storage as one or more emails lets one use existing tools to quickly index and search by sender, time etc.

It seems a bit of a shame that XEP-0136 doesn't use collections of <message> elements timestamped with jabber:x:delay/urn:xmpp:delay. I'm late to the party, but presumably this was considered and rejected for some reason?

--
Will
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