/// <summary>
/// Allows an admin user to see which customer bought the most books
/// </summary>
/// <param name="adminId"></param>
private void ViewBestCustomer(int adminId)
{
WebbShopAPI api = new WebbShopAPI();
var customerId = api.BestCustomer(adminId);
if (customerId != 0)
{
AdminView.DisplayBestCustomer(customerId);
return;
}
MessageViews.DisplayErrorMessage();
}