fixes

app/controllers/admin/registrations_controller.rb

@@ -13,7 +13,7 @@ class Admin::RegistrationsController < ApplicationController
                                                   people.email AS email, people.company as affiliation, people.irc_nickname as nickname")
 
     @attended = @conference.registrations.where("attended = ?", true)
-    @headers = %w[name email nickname affiliation social_events attending_with_partner need_access other_needs arrival departure attended]
+    @headers = %w[name email social_events attending_with_partner need_access other_needs arrival departure attended]
   end
 
   def change_field
@@ -131,4 +131,6 @@ class Admin::RegistrationsController < ApplicationController
       redirect_to(admin_conference_registrations_path(@conference.short_title), :alert => 'You must be an admin to delete a registration.')
     end
   end
+  
+  helper_method :get_supporter_level
 end

app/helpers/application_helper.rb

@@ -15,15 +15,6 @@ module ApplicationHelper
     end
   end
 
-  def get_supporter_level(registration)
-    @conference.supporter_registrations.find_by_sql("SELECT *, supporter_levels.title as title
-                                                    FROM supporter_registrations
-                                                   INNER JOIN supporter_levels
-                                                   ON supporter_registrations.supporter_level_id = supporter_levels.id
-                                                   WHERE supporter_registrations.conference_id = #{@conference.id}
-                                                   AND supporter_registrations.registration_id = #{registration.id}").first
-  end
-
   def add_association_link(association_name, form_builder, div_class, html_options = {})
     link_to_add_association "Add " + association_name.to_s.singularize, form_builder, div_class, html_options.merge(:class => "assoc btn btn-success")
   end

app/models/registration.rb

@@ -4,6 +4,7 @@ class Registration < ActiveRecord::Base
   belongs_to :dietary_choice
 
   has_one :supporter_registration
+  has_one :supporter_level, :through => :supporter_registration
   has_and_belongs_to_many :social_events
   has_and_belongs_to_many :events
 
@@ -20,4 +21,5 @@ class Registration < ActiveRecord::Base
   alias_attribute :social_events, :attending_social_events
   alias_attribute :need_access, :handicapped_access_required
   alias_attribute :other_needs, :other_special_needs
+
 end

app/views/admin/registrations/show.html.haml

@@ -29,12 +29,10 @@
           - @headers.each do |field|
             %td
               - if field == "name"
-                #{registration.last_name} #{registration.first_name} (#{registration.public_name})
-                - supp_reg = get_supporter_level(registration)
-                - if supp_reg
-                  %br
+                #{registration.last_name} #{registration.first_name} (#{registration.nickname}) #{registration.affiliation}
+                - if registration.supporter_level
                   %p{:style => "color:red"}
-                    = supp_reg.title unless supp_reg.title == "Free"
+                    = registration.supporter_level.title unless registration.supporter_level.title == 'Free'
           
               -elsif field == 'attended'
                 = link_to "#{registration.send(field.to_sym)}", admin_conference_registrations_change_field_path(@conference.short_title, :id => registration.id, :view_field => "#{field}"), :method => :put, ":#{field}" => registration.send(field.to_sym), :class => "btn btn-success"