Updated to svn tags/tracks-1.6

db/migrate/014_convert_project_to_state_machine.rb

@@ -0,0 +1,24 @@
+class ConvertProjectToStateMachine < ActiveRecord::Migration
+
+  class Project < ActiveRecord::Base; end
+
+  def self.up
+    add_column :projects, :state, :string, :limit => 20, :default => "active", :null => false
+    @projects = Project.find(:all)
+    @projects.each do |project|
+      project.state = project.done? ? 'completed' : 'active'
+      project.save
+    end
+    remove_column :projects, :done
+  end
+
+  def self.down
+    add_column :projects, :done, :integer, :limit => 4, :default => 0, :null => false
+    @projects = Project.find(:all)
+    @projects.each do |project|
+      project.done = project.state == 'completed'
+      project.save
+    end
+    remove_column :projects, :state
+  end
+end