Offline participation: already submitted page

app/controllers/contests_controller.rb

@@ -124,6 +124,10 @@ class ContestsController < ApplicationController
     if !@offline
       not_found and return
     end
+
+    if @offline.images.length > 1
+      render :offline_already_submitted and return
+    end
   end
 
   def offline_update

app/views/contests/offline_already_submitted.html.slim

@@ -0,0 +1,2 @@
+.mt-3
+  = t("offlines.form.already_submitted")

config/locales/en.yml

@@ -246,6 +246,7 @@ en:
     log_out: Log out
   offlines:
     form:
+      already_submitted: You have already completed the puzzle
       completed_message: Thanks for your participation!
       end_image_select: Take a photo of your completed puzzle
       start_image_select: Take a photo of the puzzle with the provided code written on a paper before starting it

config/locales/fr.yml

@@ -217,6 +217,7 @@ fr:
     log_out: Déconnexion
   offlines:
     form:
+      already_submitted: Tu as déjà complété ton puzzle
       completed_message: Merci pour ta participation !
       end_image_select: Prends une photo du puzzle une fois complété
       start_image_select: Prends une photo du puzzle avant de le commencer, avec le code donné par l'organisateur.ice écrit sur du papier