<% promotion_action.promotion_action_line_items.each do |item| %>
<% variant = item.variant %>
<%= item.quantity %> x <%= variant.name %>
<%= variant.options_text %>
<% end %>
<% if promotion_action.promotion_action_line_items.empty? %>
<% line_items = promotion_action.promotion_action_line_items %>
<% line_items.build %>
<% line_items.each_with_index do |line_item, index| %>
<% line_item_prefix = "#{param_prefix}[promotion_action_line_items_attributes][#{index}]" %>
<%= label_tag "#{line_item_prefix}_variant_id", Spree.t(:variant) %>
<%= hidden_field_tag "#{line_item_prefix}[variant_id]", line_item.variant_id, class: "variant_autocomplete" %>
<%= label_tag "#{line_item_prefix}_quantity", Spree.t(:quantity) %>
<%= number_field_tag "#{line_item_prefix}[quantity]", line_item.quantity, min: 1, class: 'form-control' %>