Show offline contestants in dashboard

app/controllers/contests_controller.rb

@@ -1,4 +1,6 @@
 class ContestsController < ApplicationController
+  include CompletionsConcern
+
   before_action :set_contest, only: %i[ destroy edit show update ]
   before_action :offline_setup, only: %i[ offline_new offline_create offline_edit offline_update offline_completed ]
   skip_before_action :require_authentication, only: %i[ scoreboard offline_new offline_create offline_edit offline_update offline_completed ]
@@ -139,8 +141,18 @@ class ContestsController < ApplicationController
     end
 
     @offline.completed = true
+    @offline.end_time = Time.now()
     @offline.images.attach(params[:offline][:end_image])
     if @offline.save
+      if @contest.puzzles.length > 0
+        dp = display_time(@offline.end_time.to_i - @offline.start_time.to_i)
+        contestant = Contestant.create(contest: @contest, name: @offline.name, offline: @offline)
+        Completion.create(contest: @contest,
+                          contestant: contestant,
+                          puzzle: @contest.puzzles[0],
+                          display_time_from_start: dp)
+        extend_completions!(contestant)
+      end
       redirect_to "/public/#{@contest.friendly_id}/offline/#{@offline.generate_token_for(:token)}/completed"
     else
       render :offline_edit, status: :unprocessable_entity