require 'csv'
subor = "#{Rails.root}/public/current_output.csv"
csv_text = File.read(subor)
csv = CSV.parse(csv_text, :headers => true)
csv.each do |row|
  Prediction.create!(product_id: row[0], out_of_stock: row[1], need_to_order: row[2], book_count: row[3])
end