Prevent balloting online after casting a ballot offline

app/models/budget/ballot.rb

@@ -70,5 +70,9 @@ class Budget
       investments.where(group: group).first.heading
     end
 
+    def casted_offline?
+      budget.poll&.voted_by?(user)
+    end
+
   end
 end

app/models/budget/investment.rb

@@ -241,6 +241,7 @@ class Budget
       return :no_ballots_allowed              unless budget.balloting?
       return :different_heading_assigned_html unless ballot.valid_heading?(heading)
       return :not_enough_money_html           if ballot.present? && !enough_money?(ballot)
+      return :casted_offline                  if ballot.casted_offline?
     end
 
     def permission_problem(user)

config/locales/en/budgets.yml

@@ -22,6 +22,7 @@ en:
         no_ballots_allowed: Selecting phase is closed
         different_heading_assigned_html: "You have already voted a different heading: %{heading_link}"
         change_ballot: change your votes
+        casted_offline: You have already participated offline
     groups:
       show:
         title: Select an option

config/locales/es/budgets.yml

@@ -22,6 +22,7 @@ es:
         no_ballots_allowed: El periodo de votación está cerrado.
         different_heading_assigned_html: "Ya has votado proyectos de otra partida: %{heading_link}"
         change_ballot: cambiar tus votos
+        casted_offline: Ya has participado presencialmente
     groups:
       show:
         title: Selecciona una opción

spec/features/budget_polls/voter_spec.rb

@@ -2,7 +2,10 @@ require "rails_helper"
 
 feature "BudgetPolls", :with_frozen_time do
   let(:budget) { create(:budget, :balloting) }
-  let(:poll) { create(:poll, :current) }
+  let(:group) { create(:budget_group, budget: budget) }
+  let(:heading) { create(:budget_heading, group: group) }
+  let(:investment) { create(:budget_investment, :selected, heading: heading) }
+  let(:poll) { create(:poll, :current, budget: budget) }
   let(:booth) { create(:poll_booth) }
   let(:officer) { create(:poll_officer) }
   let(:admin) { create(:administrator) }
@@ -67,10 +70,29 @@ feature "BudgetPolls", :with_frozen_time do
       end
     end
 
-    scenario "A citizen cannot vote online after voting offline" do
+    scenario "A citizen cannot vote online after voting offline", :js do
-      # create scenario for an user that voted offline
+      user = create(:user, :in_census)
 
-      # Check the citizen cannot vote online
+      login_through_form_as_officer(officer.user)
+
+      visit new_officing_residence_path
+      officing_verify_residence
+
+      within("#poll_#{poll.id}") do
+        click_button("Confirm vote")
+      end
+
+      expect(page).to have_content "Vote introduced!"
+
+      login_as(user)
+
+      visit budget_investment_path(budget, investment)
+      find("div.ballot").hover
+
+      within("#budget_investment_#{investment.id}") do
+        expect(page).to have_content "You have already participated offline"
+        expect(page).to have_css(".add a", visible: false)
+      end
     end
   end