The new ical generators

app/views/events/index.ics.haml

+:ruby
+  domain = root_url.gsub(/www/, '').gsub(/http.?:../, '').gsub(/:.*/, '')
+
+  # Create a calendar with an event (standard method)
+  cal = Icalendar::Calendar.new
+  @events.each do |event|
+    cal.event do |e|
+      e.dtstamp     = Icalendar::Values::DateTime.new event.decision_time
+      e.uid         = "#{event.id}@#{domain}"
+      e.dtstart     = Icalendar::Values::DateTime.new event.start_time
+      e.dtend       = Icalendar::Values::DateTime.new event.end_time
+      e.summary     = event.title
+      e.description = event.description.tr '\'', '’'
+      e.location    = event.full_address.tr '\'', '’'
+    end
+  end
+
+  cal.publish
+
+= cal.to_ical

app/views/events/show.ics.haml

+:ruby
+  # Create a calendar with an event (standard method)
+  cal = Icalendar::Calendar.new
+  cal.event do |e|
+    e.dtstart     = Icalendar::Values::DateTime.new @event.start_time
+    e.dtend       = Icalendar::Values::DateTime.new @event.end_time
+    e.summary     = @event.title
+    e.description = strip_tags(@event.description).tr '\'', '’'
+    e.location    = @event.full_address
+  end
+
+  cal.publish
+
+= cal.to_ical