Public scoreboard scaffold

app/controllers/application_controller.rb

@@ -26,4 +26,8 @@ class ApplicationController < ActionController::Base
     flash[:error] = t "#{policy_name}.#{exception.query}", scope: "pundit", default: :default
     redirect_back_or_to(root_path)
   end
+
+  def not_found
+    render file: "#{Rails.root}/public/404.html", layout: false, status: :not_found
+  end
 end

app/controllers/contests_controller.rb

@@ -1,5 +1,6 @@
 class ContestsController < ApplicationController
   before_action :set_contest, only: %i[ destroy edit show update ]
+  skip_before_action :require_authentication, only: %i[ scoreboard ]
 
   def index
     authorize :contest
@@ -56,6 +57,20 @@ class ContestsController < ApplicationController
     authorize @contest
   end
 
+  def scoreboard
+    @contest = Contest.find_by(slug: params[:id])
+    unless @contest
+      skip_authorization
+      not_found and return
+    end
+    authorize @contest
+
+    @title = @contest.name
+    @contestants = @contest.contestants.order(:name)
+    @puzzles = @contest.puzzles.order(:id)
+    render :scoreboard
+  end
+
   private
 
   def set_badges