Import countries into rails app

countries_migration.rb

require 'csv'

class CreateCountries < ActiveRecord::Migration[5.0]
  def change
    create_table :countries do |t|
      t.string :code, null: false
      t.decimal :latitude, {:precision => 10, :scale=>6}
      t.decimal :longitude, {:precision => 10, :scale=>6}
      t.string :name, null: false
      t.boolean :active, null: false, default: false
      t.timestamps
    end
  end

  # seed database with countries from csv file
  csv_text = File.read(Rails.root.join('db', 'csv', 'countries.csv'))
  csv = CSV.parse(csv_text, :headers => true)
  csv.each do |row|
    c = Country.new
    c.code = row['code']
    c.latitude = row['latitude']
    c.longitude = row['longitude']
    c.name = row['name']
    c.save
    puts "#{c.name}, #{c.code} saved!"
  end
  puts "Inserted #{Country.count} rows into the countries table"
end