HOTWiring an existing Rails Monolith: Forms!

Let’s say your majestic monolith is looking for more interactivity, and you’ve picked up Turbo. What aspects of a Rails app change that may cause some headaches? Add Turbo, and then follow along! Forms First, you need to test all your forms. Turbo dramatically changes the behavior of each form. The biggest change you will […]

Improving Performance with Russian Doll Caching HOTWire Tutorial #6

Now that the HOTWire Hacker News Progressive Web App loads in the comments asynchronously, you should experience the slow loading on the comments page. Since each level of comments can load another level of comments, it will feel slow as everything loads into the page in chunks. You’ll also notice that the comments are always […]

Lazy Loading Lots of Comments HOTWire Tutorial #5

As we continue in building out the HOTWire Hacker News Progressive Web App, it’s time to look at loading the comments. This is an interesting data problem, because each item has comments, and each comment has comments, and you can go recursively until you run out. The original HNWPA pushed all the comment loading into […]

Paginating Top Items – HOTWire HNPWA #3

If you look at the number of TopItems coming back from the API, you’ll see it’s much more than 30. How do you display all these items? Pagination! ActiveRecord has an offset method that tells the database where to start in the records it returns. If you don’t specify an offset, the database starts counting […]

Turbo Streaming Top Items – HOTWire HNPWA #2

Turbo Streaming is going to work best with ActiveRecord Models. The Hacker News model uses Item models, which can be stories, comments, jobs, polls, or poll options. In the first implementation, the Item was modeled to be as generic as the API dispensed. This time, stories and jobs will continue to be modeled as Item […]