app/views/checkout/steps/_payment_method.html.haml
%h1= t('stall.checkout.payment_method.title')
= simple_form_for cart, as: :cart, url: step_path(cart) do |form|
= form.fields_for :payment do |payment_fields|
= payment_fields.association :payment_method, as: :radio_buttons, collection: PaymentMethod.active.ordered
.form-actions
%button.btn.btn-primary{ type: 'submit' }
= t('stall.checkout.payment_method.validate')