correct past and upcoming conferences in admin/organizations#index

app/models/conference.rb

@@ -7,6 +7,8 @@ class Conference < ActiveRecord::Base
   resourcify :roles, dependent: :delete_all
 
   default_scope { order('start_date DESC') }
+  scope :upcoming, (-> { where('end_date >= ?', Date.current) })
+  scope :past, (-> { where('end_date < ?', Date.current) })
 
   belongs_to :organization
 

app/views/admin/organizations/index.html.haml

@@ -20,9 +20,9 @@
             %td
               = organization.name
             %td
-              = organization.conferences.count
+              = organization.conferences.upcoming.count
             %td
-              = organization.conferences.count
+              = organization.conferences.past.count
             %td
               .btn-group
                 = link_to 'Edit', edit_admin_organization_path(organization),