class RoadToVersionThree < ActiveRecord::Migration
  def self.up
    # TODO: Combine migrations since foodsoft3-development into one file
    # and try to build a migration path from old data.

#    # == Message
#    drop_table :messages
#    create_table :messages do |t|
#      t.references :sender
#      t.text :recipients_ids
#      t.string :subject, :null => false
#      t.text :body
#      t.integer :email_state, :default => 0, :null => false
#      t.boolean :private, :default => false
#      t.datetime :created_at
#    end
#
#    # Acts_as_paranoid
#    add_column :suppliers, :deleted_at, :datetime
#    add_column :articles, :deleted_at, :datetime
#    add_column :groups, :deleted_at, :datetime
#
#    # == Workgroups
#    # Migrate all groups to workgroups
#    Group.find(:all, :conditions => { :type => "" }).each do |workgroup|
#      workgroup.update_attribute(:type, "Workgroup")
#    end
#
#    # == Ordergroups
#    remove_column :groups, :actual_size        # Useless, desposits are better stored within a transaction.note
#    # rename from OrderGroup to Ordergroup
#    rename_column :financial_transactions, :order_group_id, :ordergroup_id
#    rename_column :group_orders, :order_group_id, :ordergroup_id
#    rename_column :tasks, :group_id, :workgroup_id
#    remove_index :group_orders, :name => "index_group_orders_on_order_group_id_and_order_id"
#    add_index :group_orders, [:ordergroup_id, :order_id], :unique => true
#
#    Group.find(:all, :conditions => { :type => "OrderGroup" }).each do |ordergroup|
#      ordergroup.update_attribute(:type, "Ordergroup")
#    end
#    # move contact-infos from users to ordergroups
#    add_column :groups, :contact_person, :string
#    add_column :groups, :contact_phone, :string
#    add_column :groups, :contact_address, :string
#    Ordergroup.all.each do |ordergroup|
#      contact = ordergroup.users.first
#      if contact
#        ordergroup.update_attributes :contact_person => contact.name,
#          :contact_phone => contact.phone, :contact_address => contact.address
#      end
#    end
#    remove_column :users, :address
#
#    # == Order
#    drop_table :orders
#    drop_table :group_order_results
#    drop_table :order_article_results
#    drop_table :group_order_article_results
#    GroupOrder.delete_all; OrderArticle.delete_all; GroupOrderArticle.delete_all; GroupOrderArticleQuantity.delete_all
#
#    create_table :orders do |t|
#      t.references :supplier
#      t.text :note
#      t.datetime :starts
#      t.datetime :ends
#      t.string :state, :default => "open"   # Statemachine ... open -> finished -> closed
#      t.integer :lock_version, :default => 0, :null => false
#      t.integer :updated_by_user_id
#    end
#
#    # == Invoice
#    create_table :invoices do |t|
#      t.references :supplier
#      t.references :delivery
#      t.references :order
#      t.string :number
#      t.date :date
#      t.date :paid_on
#      t.text :note
#      t.decimal :amount, :null => false, :precision => 8, :scale => 2, :default => 0.0
#      t.decimal :deposit, :precision => 8, :scale => 2, :default => 0.0,  :null => false
#      t.decimal :deposit_credit, :precision => 8, :scale => 2, :default => 0.0,  :null => false
#      t.timestamps
#    end
#
#    # == Delivery
#     create_table :deliveries do |t|
#      t.integer :supplier_id
#      t.date :delivered_on
#      t.datetime :created_at
#    end
#
#    # == Comment
#    drop_table :comments
#    create_table :order_comments do |t|
#      t.references :order
#      t.references :user
#      t.text :text
#      t.datetime :created_at
#    end
#
#    # == Article
#    rename_column :articles, :net_price, :price
#    remove_column :articles, :gross_price
#
#    # == ArticlePrice
#    create_table :article_prices do |t|
#      t.references :article
#      t.decimal :price, :precision => 8, :scale => 2, :default => 0.0, :null => false
#      t.decimal :tax, :precision => 8, :scale => 2, :default => 0.0, :null => false
#      t.decimal :deposit, :precision => 8, :scale => 2, :default => 0.0, :null => false
#      t.integer :unit_quantity
#      t.datetime :created_at
#    end
#    # Create price history for every Article
#    Article.all.each do |a|
#      a.article_prices.create :price => a.price, :tax => a.tax,
#        :deposit => a.deposit, :unit_quantity => a.unit_quantity
#    end
#    # Every Article has now a Category. Fix it if neccessary.
#    Article.all(:conditions => { :article_category_id => nil }).each do |article|
#        article.update_attribute(:article_category, ArticleCategory.first)
#    end
#    # order-articles
#    add_column :order_articles, :article_price_id, :integer
#
#    # == GroupOrder
#    change_column :group_orders, :updated_by_user_id, :integer, :default => nil, :null => true
#
#    # == GroupOrderArticle
#    # The total order result in ordergroup is now saved!
#    add_column :group_order_articles, :result, :integer, :default => nil
#
#    # == StockArticle
#    add_column :articles, :type, :string
#    add_column :articles, :quantity, :integer, :default => 0
#
#    # == StockChanges
#    create_table :stock_changes do |t|
#      t.references :delivery
#      t.references :order
#      t.references :stock_article
#      t.integer :quantity, :default => 0
#      t.datetime :created_at
#    end



  end

  def self.down
  end
end