private static void RemoveTumbnail(SKUTreeNode product)
{
var oldAttachmentGuid = product.GetGuidValue("ProductThumbnail", Guid.Empty);
var siteName = (product.Site ?? SiteInfoProvider.GetSiteInfo(product.NodeSiteID)).SiteName;
if (oldAttachmentGuid != Guid.Empty)
{
var oldAttachment = AttachmentInfoProvider.GetAttachmentInfo(oldAttachmentGuid, siteName);
if (oldAttachment != null)
{
AttachmentInfoProvider.DeleteAttachmentInfo(oldAttachment);
}
}
}