only show warnings in non react pages

app/controllers/registrations_controller.rb

@@ -261,9 +261,8 @@ def do_add
 
   def register
     @competition = competition_from_params
-    if current_user
-      @registration = @competition.registrations.find_or_initialize_by(user_id: current_user.id, competition_id: @competition.id)
-    end
+    # This page is in react so we don't want to show the warnings twice
+    @show_warnings = false
   end
 
   def payment_denomination

app/models/competition.rb

@@ -492,7 +492,8 @@ def user_should_post_competition_results?(user)
     persisted? && is_probably_over? && !cancelled? && !self.results_submitted? && delegates.include?(user)
   end
 
-  def warnings_for(user)
+  # For react pages we do not want to show warnings as we show them in react
+  def warnings_for(user, show_warning=true)
     warnings = {}
     if self.showAtAll
       unless self.announced?

app/views/competitions/_nav.html.erb

@@ -267,7 +267,7 @@
         <% end %>
       <% end %>
 
-      <% @competition.warnings_for(current_user).each do |field, message| %>
+      <% @competition.warnings_for(current_user, @show_warnings).each do |field, message| %>
         <%= alert :warning, message, note: true %>
       <% end %>