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Ash Framework
book

Ash Framework

by Rebecca Le, Zach Daniel
August 2025
Intermediate to advanced
294 pages
6h 59m
English
Pragmatic Bookshelf
Content preview from Ash Framework

Setting Up a Track Resource

A track is a music-related resource, so we’ll add it to the Tunez.Music domain using the ash.gen.resource Mix task:

 $ ​​mix​​ ​​ash.gen.resource​​ ​​Tunez.Music.Track​​ ​​--extend​​ ​​postgres

This will create a basic empty Track resource in lib/tunez/music/track.ex, as well as list it as a resource in the Tunez.Music domain. What attributes should a track have? We’re probably interested in the following:

  • The order of tracks on the album
  • The name of each track
  • The duration of each track, which we’ll store as a number of seconds
  • The album that the tracks belong to

We’ll also add an id and some timestamps for informational reasons.

All of the fields will be required, so we can add them to the Tunez.Music.Track resource ...

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Publisher Resources

ISBN: 9798888651865Publisher Website