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Phoenix Web Development

You're reading from   Phoenix Web Development Create rich web applications using functional programming techniques with Phoenix and Elixir

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781787284197
Length 406 pages
Edition 1st Edition
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Author (1):
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Brandon Richey Brandon Richey
Author Profile Icon Brandon Richey
Brandon Richey
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Table of Contents (14) Chapters Close

Preface 1. A Brief Introduction to Elixir and Phoenix FREE CHAPTER 2. Building Controllers, Views, and Templates 3. Storing and Retrieving Vote Data with Ecto Pages 4. Introducing User Accounts and Sessions 5. Validations, Errors, and Tying Loose Ends 6. Live Voting with Phoenix 7. Improving Our Application and Adding Features 8. Adding Chat to Your Phoenix Application 9. Using Presence and ETS in Phoenix 10. Working with Elixir's Concurrency Model 11. Implementing OAuth in Our Application 12. Building an API and Deploying 13. Other Books You May Enjoy

Creating our Option schema

We'll need to create an Option schema, just like we have the Poll schema, but we'll need to do some additional legwork to make sure our representation makes sense. We'll also need to go back and fix up one thing we omitted from our Poll schema! First, we want to name our module Vocial.Votes.Option instead of Vocial.Votes.Poll (for obvious reasons). Next, we'll need to alias both Vocial.Votes.Poll and Vocial.Votes.Option. This is because we need the sanity helper for referencing the struct of our Option schema, and also because we'll need to reference the Poll schema as well to define our relationship to that table. We'll also need to create a :votes column on the schema; this one should be an integer with a default value of 0. Let's take a look at the finished file with all of those bells and whistles:

defmodule Vocial...
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