app/views/admin/generic/coupons/edit.html.erb
<h1> Edit Coupon </h1>
<%= form_for(@coupon, :as => :coupon, :url => admin_generic_coupon_path(@coupon)) do |f| %>
<%= render :partial => 'form', :locals => {:f => f} %>
<% end %>
<%= link_to 'Show', admin_generic_coupon_path( @coupon ), :class => 'button secondary' %>
<%= link_to 'View All', admin_generic_coupons_path, :class => 'button secondary' %>