gistfile1.rb

namespace :utils do
  desc "Populate the database with random data"
  task(:generate_data => :environment) do
    puts "Deleting all of the existing data"
    Campaign.delete_all
    client_names = %w{Acme Danger MegaCorp}
    scores = %w{High Medium Low}
    volumes = (8000..10000).to_a
    letter_types = %w{1 2 3}
    dates = ((DateTime.now-40.days)..DateTime.now).to_a
    response_rates = (2..9).to_a
    variances = (-4..4).to_a
    1000.times do
      c = Campaign.new
      c.client_name = client_names.rand
      c.score_band = scores.rand
      c.letter_type = letter_types.rand
      c.order_date = dates.rand
      c.mail_date = c.order_date + 1.days
      c.in_home = c.order_date + 3.days
      c.number_mailed = volumes.rand
      c.estimated_response = responses.rand
      c.revised_response = c.estimated_response - (variances.rand.to_f/10)
      c.save
    end
  end