This PR handles SSE event stream edge cases. - When a pod restarts, the front clients have to reconnect to SSE - When the dev server restarts or is hot reloaded, the front client has to reconnect to SSE - When redis server restarts or the redis key is cleared for any reason, the server has to recreate the event stream in redis, this can happen when navigating for example. - Log in / log out flow With this PR we avoid error messages in the front end due to TTL or pod crash, we implement a resilient way of reconnecting silently. To avoid DDoSing our servers if pods crash or a full restart of the cluster is made, we evenly space retry attempts to reconnect from all the clients, to avoid n clients reconnection at the same time, we use a random wait time between 0 and a constant max wait time (set to 2 mins for now). This is the cheapest and most effective solution, clients who want to force reconnect have to refresh or navigate to another page. Fixes https://github.com/twentyhq/core-team-issues/issues/2045
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Installation
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Does the world need another CRM?
We built Twenty for three reasons:
CRMs are too expensive, and users are trapped. Companies use locked-in customer data to hike prices. It shouldn't be that way.
A fresh start is required to build a better experience. We can learn from past mistakes and craft a cohesive experience inspired by new UX patterns from tools like Notion, Airtable or Linear.
We believe in Open-source and community. Hundreds of developers are already building Twenty together. Once we have plugin capabilities, a whole ecosystem will grow around it.
What You Can Do With Twenty
Please feel free to flag any specific needs you have by creating an issue.
Below are a few features we have implemented to date:
- Personalize layouts with filters, sort, group by, kanban and table views
- Customize your objects and fields
- Create and manage permissions with custom roles
- Automate workflow with triggers and actions
- Emails, calendar events, files, and more
Personalize layouts with filters, sort, group by, kanban and table views
Customize your objects and fields
Create and manage permissions with custom roles
Automate workflow with triggers and actions
Emails, calendar events, files, and more
Stack
- TypeScript
- Nx
- NestJS, with BullMQ, PostgreSQL, Redis
- React, with Recoil, Emotion and Lingui
Thanks
Thanks to these amazing services that we use and recommend for UI testing (Chromatic), code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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