Logging contacts and addresses,view undeleted ones

db/migrate/20140926081324_create_versions.rb

@@ -0,0 +1,13 @@
+class CreateVersions < ActiveRecord::Migration
+  def change
+    create_table :versions do |t|
+      t.string   :item_type, :null => false
+      t.integer  :item_id,   :null => false
+      t.string   :event,     :null => false
+      t.string   :whodunnit
+      t.text     :object
+      t.datetime :created_at
+    end
+    add_index :versions, [:item_type, :item_id]
+  end
+end

db/migrate/20140926082627_contact_and_version_archiving.rb

@@ -0,0 +1,25 @@
+class ContactAndVersionArchiving < ActiveRecord::Migration
+  def change
+    create_table :contact_versions do |t|
+      t.string   :item_type, :null => false
+      t.integer  :item_id,   :null => false
+      t.string   :event,     :null => false
+      t.string   :whodunnit
+      t.text     :object
+      t.datetime :created_at
+    end
+
+    create_table :address_versions do |t|
+      t.string   :item_type, :null => false
+      t.integer  :item_id,   :null => false
+      t.string   :event,     :null => false
+      t.string   :whodunnit
+      t.text     :object
+      t.datetime :created_at
+    end
+
+    add_index :contact_versions, [:item_type, :item_id]
+    add_index :address_versions, [:item_type, :item_id]
+
+  end
+end