Force ratings on all candidates before saving

views/votes_show_open.erb

@@ -1,5 +1,13 @@
 <h1><%= @vote.title %></h1>
 
+<% if @errors %>
+<% @errors.each do |error| %>
+  <% if error.attribute == :rating and error.type == :blank %>
+  <p class="error"><%= _("Missing rating for candidate <i>%{name}</i>." % { name: error.candidate.name }) %></p>
+  <% end %>
+<% end %>
+<% end %>
+
 <% if @vote.expire_on %>
 <p><%= _("Closing date: %{date}" % { date: format_date_and_time(@vote.expire_on) }) %></p>
 <% end %>
@@ -12,7 +20,13 @@
 <ul>
   <% @vote.candidates.each do |candidate| %>
   <% rating = @vote.ratings.find { |rating| rating.user == current_user and rating.candidate == candidate } %>
-  <% value = rating ? rating.value : 0 %>
+  <% if rating
+       value = rating.value
+     elsif @params[candidate.id.to_s]
+       value = params[candidate.id.to_s].to_i
+     else
+       value = 0
+     end %>
   <li>
     <p><b><%= candidate.name %></b></p>
     <%= markdown(candidate.description) %>