#---
# Excerpted from "Programming Ecto",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit https://pragprog.com/titles/wmecto for more book information.
#---
defmodule MusicDB.TrackEmbed do
  import Ecto.Changeset
  use Ecto.Schema

  embedded_schema do
    field(:title, :string)
    field(:duration, :integer)
  end

  def changeset(track_embed, params) do
    track_embed
    |> cast(params, [:title, :duration])
    |> validate_required([:title])
  end
end