Contents

class AddRatingToProducts < ActiveRecord::Migration
  def self.up
    add_column :products, :avg_rating, :decimal, :default => 0.0, :null => false, :precision => 7, :scale => 5
    add_column :products, :reviews_count, :integer, :default => 0, :null => false

    Product.reset_column_information
    Product.all.each do |p|
      Product.update_counters p.id, :reviews_count => p.reviews.length
      p.recalculate_rating
    end
  end

  def self.down
    remove_column :products, :reviews_count
    remove_column :products, :avg_rating
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
spree_reviews-0.50.1	db/migrate/20110406083603_add_rating_to_products.rb
spree_reviews-0.50.0	db/migrate/20110406083603_add_rating_to_products.rb