implement simple wall of shame

app/controllers/concerns/statistics.rb

@@ -3,7 +3,11 @@ class Statistics < Rails::Application
 
   def shameful_users
     User.where('balance > :amount', amount: config.shameful_balance)
-        .order(:balance)
+        .order(balance: :desc)
+  end
+
+  def total_debt
+    User.where.not(id: User.zeus).where('balance > 0').sum(:balance)
   end
 
   private

app/views/pages/landing.html.haml

@@ -8,6 +8,14 @@
 %h2 Cute Little Statistics
 %p None here yet.
 %h2 Wall of Shame
-%ul
+%table
-  - @statistics.shameful_users.each do |user|
+  %thead
-    %li="Shame on #{user.name}!"
+    %th People who should be ashamed
+    %th Part of total debt to Zeus
+  %tbody
+    - @statistics.shameful_users.each do |user|
+      %tr
+        %td= "Shame on #{user.name}"
+        // Won't divide by zero because there won't be any users with
+        // a shameful debt if the total debt is zero.
+        %td= "#{100 * user.balance / @statistics.total_debt}%"

config/application.rb

@@ -24,6 +24,6 @@ module Tab
     config.active_record.raise_in_transactional_callbacks = true
 
     # Which is the lowest balance you should be ashamed of.
-    config.shameful_balance = 50
+    config.shameful_balance = 50 # In eurocents!
   end
 end