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With Rails 6.0, you can now define multiple primary and replica databases, define separate migrations for each primary database, and configure each model to read and write from different databases.
Hotwire lets us broadcast changes so we can use the same approach for nested comments, but in realtime!
Pagination is something we don't need until we publish a lot of blog posts. We can use the pagy gem to add page links to the bottom of our pages and handle thousands of blog posts.
Normalizing data has always been a pain in Rails, but not anymore! Instead of callbacks or overriding setters, Rails 7.1 introduces "normalizes" to make normalizing data easy.
Scheduling blog posts to be published in the future is the next feature we're going to add. In this lesson, we'll talk about several options we have to implement this and then choose one to build.
Our scheduled blog posts adds some complexity to our app. In this lesson, we're going to write some tests to make sure that our code does what we want it to do.
Scopes are a way for us to change the way a database table is queried. For example, we can use them to change the ordering of the results so certain records are first.
ActionText is a feature of Rails that allows you to add rich text including file uploads to any of your models. This is a perfect fit for our Blog Posts, so we're going to replace the text column with a rich text field with ActionText.
Notifications in Rails applications are even easier now with the new release of Noticed gem v2. We'll explore how to add notifications to your Rails app in just a few minutes.
Have models that store the same data but need different functionality? Rails provides Single Table Inheritance in ActiveRecord to solve this problem.
Mission Control Jobs is a UI for ActiveJob in Rails. It was announced at Rails World 2023 and just got released. It currently supports SolidQueue and Resque with more queue adapter support in the future.
Enqueuing jobs inside of a database transaction is a common mistake that's now handled for you automatically in Rails 7.2
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