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Guest User Record
Instead of presenting a sign up form to the user, consider creating a temporary guest record so the user can try out the application without filling in their information up front. They can then become a permanent member afterwards.
(9 minutes)
Active Record Reputation System
If you need to calculate an average user's rating or sum up a number of votes, consider using the activerecord-reputation-system gem. Here I will cover the basics and also briefly present a from-scratch solution.
(10 minutes)
Authorization from Scratch Part 2
This finishes the series on building authorization from scratch by refactoring the permission logic into a DSL, restricting authorization with attributes, and combining with strong_parameters to protect params.
(20 minutes)
Simple OmniAuth (revised)
OmniAuth makes it easy to do user authentication through a third party provider such as Twitter or Facebook. Learn a simple approach in this episode.
(11 minutes)
Authorization from Scratch Part 1
Authorization can be difficult to implement and test because it often involves complex logic that exists throughout the entire app. Here I demonstrate how to test and implement authorization from scratch.
(15 minutes)
OAuth with Doorkeeper
Doorkeeper makes it easy to create an OAuth 2 provider. This episode also shows how to setup OmniAuth as an OAuth client and use the oauth2 gem to communicate with an API.
(19 minutes)
Authentication from Scratch (revised)
Simple password authentication is easy to do with has_secure_password. Here you will learn how to make a complete Sign Up, Log In, and Log Out process as well as restrict access to certain actions.
(13 minutes)
Polymorphic Association (revised)
A polymorphic association allows a model to belong_to different types of other models. Here I show how to make a single comment model belong to articles, photos, and events.
(11 minutes)
Adding SSL
It is important to protect a user's private information with HTTPS. Here you will learn how to get it working on your local machine, configure Rack SSL, install certificates for production, and more.
(14 minutes)
I18n (revised)
Translate a site into other languages through internationalization (I18n). Here I show how to store a locale in the URL and manage translated text through YAML files.
(10 minutes)