{:ok, new_value} <- value_function.(value) do
put_change(changeset, map_field, new_value)
else
- _ -> changeset
+ {:error, :file_too_large} ->
+ Ecto.Changeset.validate_change(changeset, map_field, fn map_field, _value ->
+ [{map_field, "file is too large"}]
+ end)
+
+ _ ->
+ changeset
end
end