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Keeping track of a user's last read timestamp for each chat room is straightforward, especially when we use Stimulus.js to update it from the client side.
Build a reactive multi-user spreadsheet web app with ActionCable and RethinkDB
Testing ActionCable authentication with Devise is pretty easy, especially when we build our own helpers to stub out Warden
It's important to see that there are unread messages in channels you're not actively viewing. We can use a very simple event in ActionCable to do this and bold channel names with unread messages.
User mentions in group chat is a crucial feature, so this week we're taking a look at how to add @ mentions for our users in chat with regex and more.
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