August 2025
Intermediate to advanced
294 pages
6h 59m
English
Content preview from Ash Framework
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Resources and Relationships
Similar to how we generated our Artist resource, we can start by using Ash’s generators to create our basic Album resource. It’s music-related, so it should also be part of the Tunez.Music domain:
| | $ mix ash.gen.resource Tunez.Music.Album --extend postgres |
This will generate the resource file in lib/tunez/music/album.ex, as well as add the new resource to the list of resources in the Tunez.Music domain module.
The next step, just like when we built our first resource, is to consider what kinds of attributes our new resource needs. What information should we record about an Album? Right now, we probably care about these things:
- The artist who released the album
- The album name
- The year the album was ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.