March 2020
Intermediate to advanced
328 pages
7h 58m
English
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Add Real-Time Out-Of-Stock Alerts
The last feature that we will add to our shopping cart is out-of-stock alerts. A shopping cart consists of a set of items that have been added by a shopper. The shopping cart will notify the shopper when any of these items goes out-of-stock. If you remember from the CartView module, an item will be determined to be available (or not) each time that the cart is rendered—all that we need to do is trigger the cart to be rendered and sent to the connected client.
We’ll leverage PubSub to know when the ShoppingCartChannel needs to send a message to the client. Our PubSub usage so far in this book has been tied to Channels—we’ve always pushed directly to a Channel topic. We can take a different approach, though. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.