Deactivates /ballot view when not in the balloting phase

app/controllers/budgets/ballots_controller.rb

@@ -3,6 +3,7 @@ module Budgets
     before_action :authenticate_user!
     load_and_authorize_resource :budget
     before_action :load_ballot
+    authorize_resource :ballot, through: :budget
 
     def show
       render template: "budgets/ballot/show"
@@ -11,8 +12,9 @@ module Budgets
     private
 
       def load_ballot
-        @ballot = Budget::Ballot.where(user: current_user, budget: @budget).first_or_create
+        query = Budget::Ballot.where(user: current_user, budget: @budget)
+        @ballot = @budget.balloting? ? query.first_or_create : query.first_or_initialize
       end
 
   end
-end
+end