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28 lines
605 B
Elixir
28 lines
605 B
Elixir
defmodule LiveBeats.MediaLibrary.Genre do
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use Ecto.Schema
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import Ecto.Changeset
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schema "genres" do
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field :title, :string
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field :slug, :string
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end
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@doc false
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def changeset(song, attrs) do
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song
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|> cast(attrs, [:title])
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|> validate_required([:title])
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|> put_slug()
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end
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defp put_slug(%Ecto.Changeset{valid?: false} = changeset), do: changeset
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defp put_slug(%Ecto.Changeset{valid?: true} = changeset) do
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if title = get_change(changeset, :title) do
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put_change(changeset, :slug, Phoenix.Naming.underscore(title))
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else
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changeset
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end
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end
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end
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