Part II. Coding a Mini-Twitter
Congratulations on building your first real application in Opa. You now are ready for something bigger! Part II focuses on an application that is a mini micro-blogging platform we call “Birdy.” Any resemblance to a well-known micro-blogging platform is purely coincidental!
In this part of the book you will learn how to enable users to post messages that are limited to 140 characters; create sign-up and sign-in forms; create a rich UI for editing messages; parse messages for mentions and hash tags; ensure real-time apparition of messages; and more!
But before we start, let’s discuss one of the core features of Opa: real-time messaging. In doing so, we will take you through the process of building what might be considered the core of a micro-blogging app: a web chat.
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