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Tim Abbott 05108760f6 narrow: Add support for passing oldest/newest for anchor.
A wart that has long been present inin Zulip's get_messages API is how
to request "the latest messages" in the API.  Previously, the
recommendation was basically to pass anchor=10000000000000000 (for an
appropriately huge number). An accident of the server's implementation
meant that specific number of 0s was actually important to avoid a
buggy (or at least wasteful) value of found_newest=False if the query
had specified num_after=0 (since we didn't check).

This was the cause of the mobile issue
https://github.com/zulip/zulip-mobile/issues/3654.

The solution is to allow passing a special value of anchor='newest',
basically a special string-type value that the server can interpret as
meaning the user precisely just wants the most recent messages.  We
also add an analogous anchor='oldest' or similar to avoid folks
needing to write a somewhat ugly anchor=0 for fetching the very first
messages.

We may want to also replace the use_first_unread_anchor argument to be
a "first_unread" value for the anchor parameter.

While it's not always ideal to make a value have a variable type like
this, in this case it seems like a really clean way to express the
idea of what the user is asking for in the API.
2020-01-29 12:14:06 -08:00
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docs docs: Update swagger example to suit V3.0.1. 2020-01-28 14:48:09 -08:00
frontend_tests message_fetch: Fix load_messages_for_narrow anchor parameter. 2020-01-29 11:24:58 -08:00
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README.md

Zulip overview

Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip is used by open source projects, Fortune 500 companies, large standards bodies, and others who need a real-time chat system that allows users to easily process hundreds or thousands of messages a day. With over 500 contributors merging over 500 commits a month, Zulip is also the largest and fastest growing open source group chat project.

CircleCI branch Coverage Status Mypy coverage GitHub release docs Zulip chat Twitter

Getting started

Click on the appropriate link below. If nothing seems to apply, join us on the Zulip community server and tell us what's up!

You might be interested in:

You may also be interested in reading our blog or following us on twitter. Zulip is distributed under the Apache 2.0 license.