spree-contrib/spree_reviews

<% if defined? edit_enabled
    state = ''
    name  = 'review[rating]'
  else
    state = 'disabled'
    name  = defined?(review).nil? ? Time.now.tv_usec.to_s : "review_#{review}"
  end %>
<% for i in 1..Spree::Reviews::Config.stars %>
  <input name="<%= name %>"
         type="radio" class="star"
         value="<%= pluralize(i, 'stars') %>" <%= state %>
         <%= 'checked' if i == stars %>>
<% end %>