Replace total votes to cached_votes_score on legislation proposals

This show votes_score as result of votes_up minus votes_down

app/models/legislation/proposal.rb

@@ -96,6 +96,10 @@ class Legislation::Proposal < ActiveRecord::Base
     cached_votes_total
   end
 
+  def votes_score
+    cached_votes_score
+  end
+
   def voters
     User.active.where(id: votes_for.voters)
   end

app/views/legislation/proposals/_votes.html.erb

@@ -42,7 +42,7 @@
   <% end %>
 
   <span class="total-votes">
-    <%= t("proposals.proposal.votes", count: proposal.total_votes) %>
+    <%= t("proposals.proposal.votes", count: proposal.votes_score) %>
   </span>
 
   <% if user_signed_in? && current_user.organization? %>

spec/features/legislation/proposals_spec.rb

@@ -145,4 +145,49 @@ feature 'Legislation Proposals' do
     expect(page).to have_content 'Including an image on a legislation proposal'
     expect(page).to have_css("img[alt='#{Legislation::Proposal.last.image.title}']")
   end
+
+  scenario "Show votes score on index and show" do
+    legislation_proposal_positive = create(:legislation_proposal,
+                                           legislation_process_id: process.id,
+                                           title: "Legislation proposal positive")
+
+    legislation_proposal_zero = create(:legislation_proposal,
+                                       legislation_process_id: process.id,
+                                       title: "Legislation proposal zero")
+
+    legislation_proposal_negative = create(:legislation_proposal,
+                                           legislation_process_id: process.id,
+                                           title: "Legislation proposal negative")
+
+    10.times { create(:vote, votable: legislation_proposal_positive, vote_flag: true) }
+    3.times  { create(:vote, votable: legislation_proposal_positive, vote_flag: false) }
+
+    5.times { create(:vote, votable: legislation_proposal_zero, vote_flag: true) }
+    5.times  { create(:vote, votable: legislation_proposal_zero, vote_flag: false) }
+
+    6.times  { create(:vote, votable: legislation_proposal_negative, vote_flag: false) }
+
+    visit legislation_process_proposals_path(process)
+
+    within "#legislation_proposal_#{legislation_proposal_positive.id}" do
+      expect(page).to have_content("7 votes")
+    end
+
+    within "#legislation_proposal_#{legislation_proposal_zero.id}" do
+      expect(page).to have_content("No votes")
+    end
+
+    within "#legislation_proposal_#{legislation_proposal_negative.id}" do
+      expect(page).to have_content("-6 votes")
+    end
+
+    visit legislation_process_proposal_path(process, legislation_proposal_positive)
+    expect(page).to have_content("7 votes")
+
+    visit legislation_process_proposal_path(process, legislation_proposal_zero)
+    expect(page).to have_content("No votes")
+
+    visit legislation_process_proposal_path(process, legislation_proposal_negative)
+    expect(page).to have_content("-6 votes")
+  end
 end