e243af531b
We now use the same code in all places to get the bucket of user_ids that correspond to a stream, and we consistently treat a stream as having zero subscribers, not an undefined number of subscribers, in the hypothetical case of us asking about a stream that we're not tracking. The behavior for untracked streams has always been problematic, since if a stream is untracked, all bets are off. So now if we don't "track" the stream, the subscriber count is zero. None of our callers distinguish between undefined and zero. And we just consider the stream to be subscribed by a user when add_subscriber is called, even if we haven't been told by stream_data to track the stream. (We also stop returning true/false from add_subscriber, since only test code was looking at it.) We protect against the most likely source of internal-to-the-frontend bugs by adding the assert_number() call. We generally have to assume that the server is sending us sensible data at page load time, or all bets are off. And we have good protections in place for unknown ids in our dispatch code for peer_add/peer_remove events. |
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| confirmation | ||
| corporate | ||
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| frontend_tests | ||
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| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Dockerfile-postgresql | ||
| LICENSE | ||
| NOTICE | ||
| README.md | ||
| SECURITY.md | ||
| Vagrantfile | ||
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| yarn.lock | ||
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.
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:
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Contributing code. Check out our guide for new contributors to get started. Zulip prides itself on maintaining a clean and well-tested codebase, and a stock of hundreds of beginner-friendly issues.
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Contributing non-code. Report an issue, translate Zulip into your language, write for the Zulip blog, or give us feedback. We would love to hear from you, even if you're just trying the product out.
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Supporting Zulip. Advocate for your organization to use Zulip, write a review in the mobile app stores, or upvote Zulip on product comparison sites.
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Checking Zulip out. The best way to see Zulip in action is to drop by the Zulip community server. We also recommend reading Zulip for open source, Zulip for companies, or Zulip for working groups and part time communities.
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Running a Zulip server. Use a preconfigured DigitalOcean droplet, install Zulip directly, or use Zulip's experimental Docker image. Commercial support is available; see https://zulip.com/plans for details.
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Using Zulip without setting up a server. https://zulip.com offers free and commercial hosting, including providing our paid plan for free to fellow open source projects.
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Participating in outreach programs like Google Summer of Code.
You may also be interested in reading our blog or following us on Twitter. Zulip is distributed under the Apache 2.0 license.