If you use Reform for the form objects and want the translations in your Rails application to work as with ActiveRecord objects, then you can add ActiveModel::Translation module to the form class or base class and specify the method with the key to translations.
class BaseForm < Reform::Form
extend ActiveModel::Translation
def self.i18n_scope
:forms
end
end
class UserForm < BaseForm
feature Coercion
property :login
property :change_password, virtual: true, type: Types::Form::Bool
property :password
property :password_confirmation
validation do
required(:login).filled
end
validation if: ->(_) { change_password } do
required(:password).confirmation
end
end
Set translations for form fields.
You can move them to a new file config/locales/forms.yml.
en:
forms:
attributes:
user_form:
login: Enter login
change_password: Change password?
password: Enter password
password_confirmation: Confirm password
Now, translations will be used by the simple form or you can call them manually by UserForm.human_attribute_name.
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