<% if object.reflections.keys.include?(:piggybak_variant) -%>
<% if object.piggybak_variant && object.piggybak_variant.active -%>
<% if object.piggybak_variant.quantity > 0 || object.piggybak_variant.unlimited_inventory -%>
<%= form_tag piggybak.cart_add_url do -%>
<%= object.piggybak_variant.description %>
<%= number_to_currency object.piggybak_variant.price %>
<%= text_field_tag :quantity %>
<%= hidden_field_tag :variant_id, object.piggybak_variant.id %>
<%= submit_tag "Add to Cart", :id => "submit" %>
<% end -%>
<% else -%>
Sorry, out of stock.
<% end -%>
<% end -%>
<% end -%>