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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 2. Building Controllers, Views, and Templates FREE CHAPTER 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

Connecting polls to users

As mentioned previously, we did a lot of work when setting up user accounts in our system but nothing to actually connect, or even restrict access to, polls and user accounts. Thinking back to how we've set up other associations, there are a couple of steps that we have to implement before all of our polls are correctly linked to users. They are as follows:

  1. We need to link our tables by creating a migration that adds user_id to our polls table.
  2. We then need to modify the code in our schemas to represent the addition of the association.
  3. We need to modify all of the creation code in the context to set the poll's user_id to the appropriate user.
  4. Finally, we need to modify all of the delete and update code to only allow those functions to happen if the current user is the owner of that poll.
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