72 lines
3.3 KiB
Ruby
72 lines
3.3 KiB
Ruby
class RemoveTableArticlePrices < ActiveRecord::Migration[4.2]
|
|
def self.up
|
|
puts "create columns in articles ..."
|
|
add_column "articles", "clear_price", :decimal, :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
add_column "articles", "gross_price", :decimal, :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
add_column "articles", "tax", :float
|
|
add_column "articles", "refund", :decimal, :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
add_column "articles", "unit_quantity", :integer, :default => 1, :null => false
|
|
add_column "articles", "order_number", :string
|
|
add_column "articles", "created_at", :datetime
|
|
add_column "articles", "updated_at", :datetime
|
|
|
|
# stop auto-updating the timestamps to make the data-copy safe!
|
|
Article.record_timestamps = false
|
|
|
|
puts "now copy values of article_prices into new articles-columns..."
|
|
Article.find(:all).each do |article|
|
|
price = article.current_price
|
|
article.update!(clear_price: price.clear_price,
|
|
gross_price: price.gross_price,
|
|
tax: price.tax,
|
|
refund: price.refund,
|
|
unit_quantity: price.unit_quantity,
|
|
order_number: price.order_number,
|
|
updated_at: price.updated_on,
|
|
created_at: price.updated_on)
|
|
end
|
|
|
|
puts "delete article_prices, current_price attribute"
|
|
drop_table :article_prices
|
|
remove_column :articles, :current_price_id
|
|
end
|
|
|
|
def self.down
|
|
add_column :articles, :current_price_id, :integer
|
|
create_table "article_prices", :force => true do |t|
|
|
t.integer "article_id", :default => 0, :null => false
|
|
t.decimal "clear_price", :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
t.decimal "gross_price", :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
t.float "tax", :default => 0.0, :null => false
|
|
t.decimal "refund", :precision => 8, :scale => 2, :default => 0.0, :null => false
|
|
t.datetime "updated_on"
|
|
t.integer "unit_quantity", :default => 1, :null => false
|
|
t.string "order_number"
|
|
end
|
|
|
|
# copy data from article now into old ArticlePrice-object
|
|
Article.find(:all).each do |article|
|
|
price = ArticlePrice.create(:clear_price => article.clear_price,
|
|
:gross_price => article.gross_price,
|
|
:tax => article.tax,
|
|
:refund => article.refund,
|
|
:unit_quantity => article.unit_quantity,
|
|
:order_number => article.order_number.blank? ? nil : article.order_number,
|
|
:updated_on => article.updated_at)
|
|
|
|
article.update_attribute(:current_price, price)
|
|
price.update_attribute(:article, article)
|
|
end
|
|
|
|
# remove new columns
|
|
remove_column "articles", "clear_price"
|
|
remove_column "articles", "gross_price"
|
|
remove_column "articles", "tax"
|
|
remove_column "articles", "refund"
|
|
remove_column "articles", "unit_quantity"
|
|
remove_column "articles", "order_number"
|
|
remove_column "articles", "created_at"
|
|
remove_column "articles", "updated_at"
|
|
end
|
|
end
|