Rake task to bootstrap admins in a Rails app

admin_bootstrap.rake

  # With bash:
  # $rake admin:bootstrap[email,first_name,last_name,password]
  
  # With ZSH
  # $rake 'admin:bootstrap[email,first_name,last_name,password]'
  # or
  # $rake admin:bootstrap\[email,first_name,last_name,password\]
  
  namespace :admin do
  desc "Add first admin user"
  task :bootstrap, [:email, :first_name, :last_name, :password] => :environment do |t, args|
    if Admin.count == 0
      admin = Admin.new do |admin|
        admin.first_name = args[:first_name]
        admin.last_name = args[:last_name]
        admin.email = args[:email]
        admin.password = args[:password]
      end
      admin.save!
    else
      raise "Admin already bootstraped."
    end
  end
end