update

app/views/conference/_registration.html.haml

@@ -6,14 +6,25 @@
   .row
     .col-md-12.text-center
       %h1 Registration
-      %p.lead
-        Going to
-        = @conference.short_title
-        is free of charge.
-      %p
-        We only ask you to register yourself until
-        = @conference.registration_period.end_date.strftime('%A, %B %-d. %Y')
-        so we can plan for the right amount of people.
-      %p.cta-button
+
+      - if @conference.registration_limit_exceeded?
+        %p
+          Sorry, the conference registration limit has exceeded
+      - else
+        - if @conference.tickets.empty?
+          %p.lead
+            Going to
+            = @conference.short_title
+            is free of charge.
+          %p
+            We only ask you to register yourself until
+            = @conference.registration_period.end_date.strftime('%A, %B %-d. %Y')
+            so we can plan for the right amount of people.
+            %p.cta-button
+        - else
+          %p
+            The registration period ends on
+            = @conference.registration_period.end_date.strftime('%A, %B %-d. %Y')
+          %p.cta-button
         = link_to(new_conference_conference_registrations_path(@conference.short_title), class: 'btn btn-lg btn-success') do
           Register Now