Form partial for orders.
<%= form_for(order) do |f| %>
  <div>
    <%= f.label :quantity %>:
    <%= f.text_field :quantity %>
  </div>

  <div>
    <%= f.button_to "Add To Cart", method: 'add_to_cart' %>
  </div>
<% end %>

<% @item.errors.each do |error_array, error| %>
  <p><%= flash[:error] = error %><p>
<% end %>
Add form logic for new orders
Add form logic for new orders
