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Real-Time Updates

Asked by Terry
1 month ago.

If two users are using the Day Pilot scheduler, is there a way to update the schedule for user 2 if user 1 makes a change?

Answer posted by Dan Letecky [DayPilot]
1 month ago.

Yes, but it requires some work.

1. First, you need to keep track of individual changes on the server side, and store them as a sequence. Each change would be something like add/remove/update action with the new state stored (and perhaps the old one as well). You can get some inspiration in the following tutorial which implements undo/redo:

https://code.daypilot.org/33599/javascript-scheduler-undo-redo

You'd have to do something similar on the server side.

2. Then you need a notification service that will deliver the changes to all connected clients. Ideally, it would be a WebSocket connection to the server which will receive all changes performed by the other clients.

3. As soon as you receive a notification about a change, you need to replay the change on the client.

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