Quick correction to correct an exception when a repetition is set without rule

app/models/event_callbacks.rb

@@ -16,7 +16,7 @@ class EventCallbacks
   def self.before_update(event)
     return unless event.moderated_changed? && event.moderated?
     event.decision_time = Time.zone.now
-    create_repeats event if event.repeat > 0
+    create_repeats event if event.repeat > 0 && event.rule
   end
 
   def self.after_update(event)

app/views/events/show.html.haml

@@ -115,7 +115,7 @@
     - @event.tags.each do |tag|
       = link_to tag, tag_path(tag.name), rel: :tag
 
-- if @event.repeat > 0
+- if @event.repeat > 0 && @event.rule
   %h3
     %em.fa.fa-repeat
     = @event.schedule