Offline participation form: ask for missing/remaining pieces

app/controllers/contests_controller.rb

@@ -147,6 +147,8 @@ class ContestsController < ApplicationController
     @offline.completed = true
     @offline.end_time = Time.now()
     @offline.images.attach(params[:offline][:end_image])
+    @offline.missing_pieces = params[:offline][:missing_pieces]
+    @offline.remaining_pieces = params[:offline][:remaining_pieces]
     if @offline.save
       if @contest.puzzles.length > 0
         dp = display_time(@offline.end_time.to_i - @offline.start_time.to_i)
@@ -209,6 +211,6 @@ class ContestsController < ApplicationController
   end
 
   def offline_end_params
-    params.expect(offline: [ :completed, :end_image ])
+    params.expect(offline: [ :completed, :end_image, :remaining_pieces, :missing_pieces ])
   end
 end