Converted User#mail_notification from a boolean to a string.

The string will now store which type of notification option to use.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4216 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20100129193402_change_users_mail_notification_to_string.rb

@@ -0,0 +1,9 @@
+class ChangeUsersMailNotificationToString < ActiveRecord::Migration
+  def self.up
+    change_column :users, :mail_notification, :string, :default => '', :null => false
+  end
+
+  def self.down
+    change_column :users, :mail_notification, :boolean, :default => true, :null => false
+  end
+end

db/migrate/20100129193813_update_mail_notification_values.rb

@@ -0,0 +1,11 @@
+# Patch the data from a boolean change.
+class UpdateMailNotificationValues < ActiveRecord::Migration
+  def self.up
+    User.update_all("mail_notification = 'all'", "mail_notification = '1'")
+    User.update_all("mail_notification = 'only_my_events'", "mail_notification = '0'")
+  end
+
+  def self.down
+    # No-op
+  end
+end