19 lines
457 B
Elixir
19 lines
457 B
Elixir
defmodule Pinchflat.Utils.ChangesetUtils do
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@moduledoc """
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Utility methods for working with changesets
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"""
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import Ecto.Changeset
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@doc """
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Sets the default value of a field if it is nil by applying the given function.
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Returns %Ecto.Changeset{}.
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"""
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def dynamic_default(changeset, key, value_fn) do
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case get_field(changeset, key) do
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nil -> put_change(changeset, key, value_fn.(changeset))
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_ -> changeset
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end
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end
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end
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