class Fastly::User

def can_do?(test_role)

Does this User have sufficient permissions to perform the given role 
def can_do?(test_role)
  test_priority = PRIORITIES[test_role.to_sym] || 1000
  my_priority = PRIORITIES[role.to_sym] || 1000
  if test_priority == my_priority
    test_role.to_s == :owner ? owner? : test_role.to_sym == role.to_sym
  else
    my_priority < test_priority
  end
end