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lib/straw_hat/ecto/changeset.ex
if Code.ensure_loaded?(Ecto) do
defmodule StrawHat.Ecto.Changeset do
@moduledoc """
Some utils functions around Ecto.Changeset
"""
@doc """
A helper that transform changeset errors to a map of messages.
"""
@spec transform_to_map(Ecto.Changeset.t()) :: map()
def transform_to_map(%Ecto.Changeset{} = changeset) do
Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
Enum.reduce(opts, message, fn {key, value}, acc ->
String.replace(acc, "%{#{key}}", to_string(value))
end)
end)
end
end
end