/// <summary>
 /// Get package items.
 /// </summary>
 /// <param name="packageId">
 /// The package id.
 /// </param>
 /// <returns>
 /// Collection of package items.
 /// </returns>
 public List<Item> GetPackageItems(int packageId)
 {
     using (var context = new ShopAnyWareSql())
     {
         var package = context.PackagesWithItemsAndImages().SingleOrDefault(p => p.Id == packageId);
         return package != null ? package.Items : null;
     }
 }