* fix nil crash in importer, and make referral page display friendlier

admin/app/admin/affiliate_users.rb

@@ -7,10 +7,10 @@ ActiveAdmin.register JamRuby::User, :as => 'Referrals' do
   config.filters = false
 
   index do
-    column 'User' do |oo| link_to(oo.name, "http://www.jamkazam.com/client#/profile/#{oo.id}", {:title => oo.name}) end
+    column 'User' do |oo| link_to(oo.name, oo.admin_url, {:title => oo.name}) end
     column 'Email' do |oo| oo.email end
     column 'Created' do |oo| oo.created_at end
-    column 'Partner' do |oo| oo.affiliate_referral.partner_name end
+    column 'Partner' do |oo| oo.affiliate_referral.display_name end
   end
 
   controller do

ruby/lib/jam_ruby/jam_track_importer.rb

@@ -1248,9 +1248,10 @@ module JamRuby
 
         if track.original_audio_s3_path.nil?
 
-          @@log.error("jam_track #{jam_track.name} has empty stem. stem: #{track.id}"
+          @@log.error("jam_track #{jam_track.name} has empty stem. stem: #{track.id}")
           next
         end
+
         basename = File.basename(track.original_audio_s3_path)
         s3_dirname = File.dirname(track.original_audio_s3_path)
 

ruby/lib/jam_ruby/models/affiliate_partner.rb

@@ -50,6 +50,10 @@ class JamRuby::AffiliatePartner < ActiveRecord::Base
     record.entity_type ||= ENTITY_TYPES.first
   end
 
+  def display_name
+    partner_name || (partner_user ? partner_user.name : 'abandoned')
+  end
+
   # used by admin
   def self.create_with_params(params={})
     raise 'not supported'