Defining Video Metadata Messages

Practical Microservices — by Ethan Garofolo (119 / 166)

👈 Chapter 11 Building Async-Aware User Interfaces | TOC | Responding to Users When the Response Isn’t I mmediately Available 👉

We introduced the Creators Portal in Chapter 10, ​Performing Background Jobs with Microservices​. Our other team built the first version, and we’ll augment it, allowing users to see their uploaded videos via an interface like the following:

Let’s open the Creators Portal application and see how the other team set up the application:

The other team built this application following the pattern we’ve used for all our applications. It receives dependencies and sets up queries, actions, and handlers. It builds a router and adds routes for publishing a video (line 9), showing an individual video (line 10), and displaying the Creators Portal dashboard (line 11). There are handlers for each of those routes, and be sure to check them out when you can.

Our business team is saying that we’ll get more engagement with the site if the videos have names other than “Untitled,” and that seems reasonable. So we need to let our users name their videos. Maybe even rename them. That sounds like another state transition for videos, so we need to modify the video publishing Component to provide this state transition as well as add an Aggregator to reflect the change back into appropriate View Data. In the process, you’ll even seehere a use for building different View Data structures from the same events. Surely, such power isn’t meant for mere mortals, but here we are, so let’s get…

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