MoneyRails user input workaround

MoneyRails user input workaround.rb

class PaymentInput < SimpleForm::Inputs::Base
  def input(wrapper_options)
    custom_input_options = { value: value, maxlength: 16 }
    merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)
    merged_input_options = merge_wrapper_options(custom_input_options, merged_input_options)
    @builder.text_field(attribute_name, merged_input_options)
  end

  def value
    before_type_cast_value = object.send("#{attribute_name}_money_before_type_cast")
    current_value = object.send(attribute_name)
    humanized_current_value = template.humanized_money(current_value)

    before_type_cast_value || humanized_current_value
  end
end

Problem here is that before_type_cast_value is always filled, even if value is correctly set from a float, meaning the output does not humanize the input in this case.

example:

i = Invoice.new(amount: 14.6)
puts humanized_money(i.amount) /* 14,6 for dutch locale */
puts i.send(:amount_money_before_type_cast) /* 14.6 */