foodsoft/db/migrate/20090120184410_refactor_order_logic.rb
Benjamin Meichsner 9eb2125f15 Complete refactoring of orders-workflow.
OrderResult tables are removed. Data consistency is now possible through new article.price-history (ArticlePrice).
Balancing-workflow needs to be updated.
2009-01-29 01:57:51 +01:00

68 lines
2.3 KiB
Ruby

class RefactorOrderLogic < ActiveRecord::Migration
def self.up
# TODO: Combine migrations since foodsoft3-development into one file
# and try to build a migration path from old data.
# articles
rename_column :articles, :net_price, :price
remove_column :articles, :gross_price
# orders
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
# invoices
add_column :invoices, :order_id, :integer
add_column :invoices, :deposit, :decimal, :precision => 8, :scale => 2, :default => 0.0, :null => false
add_column :invoices, :deposit_credit, :decimal, :precision => 8, :scale => 2, :default => 0.0, :null => false
# comments
drop_table :comments
create_table :order_comments do |t|
t.references :order
t.references :user
t.text :text
t.datetime :created_at
end
# article_prices
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
# ordergroups
add_column :groups, :deleted_at, :datetime
end
def self.down
end
end