Coupon Form - Before Refactor

coupon_form.html.erb

<%= form_for @coupon do |f| %>
  <% if @coordinator.stripe_coupon %>
    <%= @coordinator.stripe_coupon.id %> (<%=  @coordinator.coupon_discount %>)
  <% end %>

  <%= f.text_field :stripe_id, placeholder: "#{ @coordinator.stripe_coupon ? 'Update Promo Code' : 'Promo Code'}", 
                               value: "#{@coordinator.stripe_coupon ? @coordinator.stripe_coupon.id : nil }" %>
    
  <%= f.submit "#{ @coordinator.stripe_coupon ? 'Update' : 'Save'}", class:'btn btn-info btn-block' %>
<% end %>