From 19696da736eb77d42eb3af11305cb2190a679c6b Mon Sep 17 00:00:00 2001
From: gregoirenovel <log@kinko.fr>
Date: Mon, 19 Jun 2017 17:29:20 +0200
Subject: [PATCH] Add StatsController#percentage

---
 app/controllers/stats_controller.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 5cacd22d1..8f9139ec9 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -70,6 +70,10 @@ class StatsController < ApplicationController
     (collection.sum.to_f / collection.size).round(2)
   end
 
+  def percentage(numerator, denominator)
+    ((numerator.to_f / denominator) * 100).round(2)
+  end
+
   def dossier_instruction_mean_time(dossiers)
     # In the 12 last months, we compute for each month
     # the average time it took to instruct a dossier
@@ -166,7 +170,7 @@ class StatsController < ApplicationController
         result = 0
       else
         weekly_dossier_with_avis_count = weekly_dossiers.select { |dossier| dossier.avis.present? }.count
-        result = ((weekly_dossier_with_avis_count.to_f / weekly_dossiers_count) * 100).round(2)
+        result = percentage(weekly_dossier_with_avis_count, weekly_dossiers_count)
       end
 
       [min_date.to_i, result]
@@ -199,7 +203,7 @@ class StatsController < ApplicationController
         [min_date.to_i, 0]
       else
         answered_weekly_avis_count = weekly_avis.with_answer.count
-        result = ((answered_weekly_avis_count.to_f / weekly_avis_count) * 100).round(2)
+        result = percentage(answered_weekly_avis_count, weekly_avis_count)
 
         [min_date.to_i, result]
       end