public string GenerateProductLink(long?productId, out object matchingProductPage)
{
string ret;
var cacheKey = string.Format("{0} {1} {2} {3}",
WebSession.Current.SiteId, WebSession.Current.LanguageCode, "ProductLink", productId);
if (!_urlCache.TryGet(cacheKey, out ret))
{
try
{
var prodPages = CmsFinder.FindDescendentsOrFallbackOfCurrentPageLanguageRoot <ProductPage>();
if (prodPages.All(pp => !string.IsNullOrEmpty(pp.ProductID)))
{
// find a product page from the root level that has no product ID
var page = CmsFinder.FindAllNonSiteDescendentsOfRoot <ProductPage>()
.LastOrDefault(pp => string.IsNullOrEmpty(pp.ProductID));
if (page != null)
{
prodPages.Add(page);
}
}
var targetProductPage =
prodPages.FirstOrDefault(
pp => pp.ProductID.Split().Any(pid => pid.Equals(productId.ToString(), StringComparison.InvariantCultureIgnoreCase))) ??
prodPages.LastOrDefault(pp => pp.ProductID.Length == 0);
if (targetProductPage == null)
{
ret = null;
}
else
{
var url = new Url(GetNormalizedPageUrl(targetProductPage));
if ((string.IsNullOrEmpty(targetProductPage.ProductID) || targetProductPage.ProductID.Split().Length > 1) &&
productId != null)
{
url = url.Append(productId.ToString());
}
ret = url.ToString();
}
AddCache(cacheKey, ret, targetProductPage);
}
catch (Exception e)
{
_logger.Error(e, "Unable to create product link for product {0}", productId);
}
}
_itemCache.TryGet(cacheKey, out matchingProductPage);
return(ret);
}
