Refactor budget phases current step & total steps

app/models/budget.rb

@@ -40,6 +40,10 @@ class Budget < ActiveRecord::Base
     phases.send(phase)
   end
 
+  def published_phases
+    phases.published
+  end
+
   def description
     description_for_phase(phase)
   end

app/models/budget/phase.rb

@@ -55,6 +55,10 @@ class Budget
       end
     end
 
+    def step_number
+      budget.published_phases.order(:id).index(self) + 1 || 0
+    end
+
     private
 
     def prev_phase_dates_valid?

app/views/budgets/index.html.erb

@@ -14,10 +14,8 @@
       </div>
       <div class="small-12 medium-3 column info padding" data-equalizer-watch>
         <p>
-          <% published_phases = @budget.phases.published %>
-          <% current_phase_number = published_phases.index(@budget.current_phase) + 1 || 0 %>
-          <% phases_progress_numbers = "(#{current_phase_number}/#{published_phases.count})" %>
-          <strong><%= t('budgets.show.phase') %> <%= phases_progress_numbers %></strong>
+          <% steps_progress = "(#{current_phase.step_number}/#{@budget.published_phases.count})" %>
+          <strong><%= t('budgets.show.phase') %> <%= steps_progress %></strong>
         </p>
         <h2><%= t("budgets.phase.#{@budget.phase}") %></h2>