[Standards] xep-0313 missing features

Philipp Hörist philipp at hoerist.com
Sun Mar 4 08:57:10 UTC 2018


If you use MAM like that you will run into problems.
if you request a specific ID you lose the Order information inside the
your only option is to use the timestamp for ordering, but many messages
can have the same timestamp.

These IDs are strings that servers may construct in any manner, and clients
must treat as opaque strings (e.g. there is no requirement for them to be
numeric, sequenced or GUIDs)

2018-03-03 23:53 GMT+01:00 Lazar Otasevic <redhotbits at gmail.com>:

> Hi, I think I miss some features here:
> 1. fetching messages by giving a set of ids, also similar like xep-013
> Fetching message by id(s) is needed  for example when i have a custom push
> notification with a given message id(s) and client needs to get that one
> message asap and show it in the chat.
> 2. fetching message ids instead of entire messages, similar like "message
> headers" in xep-013
> Fetching just message ids is harder to explain why its needed, but I think
> its a must have if one wants to make an efficient and reliable local
> message archive synced with server archive, and to make it as separate
> module independent from the rest of the client. Basically by fetching
> message ids we try to detect "holes" in our local archive and then we fill
> that holes by doing step 1. I think this is a standard way of doing the
> sync algorithm, and its mind boggling why its not here in MAM already.
> Is it possible to make it into reality and what would be the next steps
> from my side?
> Thanks.
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