app/helpers/application_helper.rb
module ApplicationHelper
def t_hint(attribute_key, class_key=nil, options={})
class_key ||= controller_name.singularize
t("activemodel.hints.#{class_key}.#{attribute_key}", options)
end
def t_action(action, model, options={})
options[:default] = "helpers.submit.#{action}".to_sym
count = options.delete(:count) || 1
options[:model] = model.model_name.human(count: count)
t("helpers.submit.#{model.model_name.i18n_key}.#{action}", options)
end
end