openproject/db/migrate/20131004141959_generalize_wiki_menu_items.rb

#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

class GeneralizeWikiMenuItems < ActiveRecord::Migration
  def up
  	rename_table :wiki_menu_items, :menu_items
  	add_column :menu_items, :type, :string
  	rename_column :menu_items, :wiki_id, :navigatable_id
    rename_index :menu_items, 'index_wiki_menu_items_on_parent_id', 'index_menu_items_on_parent_id'
    rename_index :menu_items, 'index_wiki_menu_items_on_wiki_id_and_title', 'index_menu_items_on_navigatable_id_and_title'

  	MenuItem.find_each do |menu_item|
  	  menu_item.update_attribute :type, 'MenuItems::WikiMenuItem'
  	end

  	# TODO rename indexes
  end

  def down
  	rename_table :menu_items, :wiki_menu_items
  	remove_column :wiki_menu_items, :type
  	rename_column :wiki_menu_items, :navigatable_id, :wiki_id
    rename_index :wiki_menu_items, 'index_menu_items_on_parent_id', 'index_wiki_menu_items_on_parent_id'
    rename_index :wiki_menu_items, 'index_menu_items_on_navigatable_id_and_title', 'index_wiki_menu_items_on_wiki_id_and_title'
  end
end