Add migration to normalize existing Open ID URLs. Remember to "rake db:migrate".

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@572 a4c988fc-2ded-0310-b66e-134b36920a42

tracks/db/migrate/035_update_open_id_urls.rb

@@ -0,0 +1,29 @@
+class UpdateOpenIdUrls < ActiveRecord::Migration
+
+  class User < ActiveRecord::Base
+    
+    def normalize_open_id_url
+      return if open_id_url.nil?
+      self.open_id_url = self.class.normalize_open_id_url(open_id_url)
+    end
+    
+    def self.normalize_open_id_url(raw_open_id_url)
+      normalized = raw_open_id_url
+      normalized = "http://#{raw_open_id_url}" unless raw_open_id_url =~ /\:\/\//
+      normalized.downcase.chomp('/')
+    end
+    
+  end
+
+  def self.up
+    User.find(:all).each do |user|
+      original = user.open_id_url
+      user.normalize_open_id_url
+      say "#{original} -> #{user.open_id_url}"
+      user.save! unless user.open_id_url == original
+    end
+  end
+
+  def self.down
+  end
+end