public async virtual Task <bool> PathExistsAsync(string path)
{
path = NormalizePath(path);
var cacheKey = CacheKey.With(GetType(), "PathExistsAsync", path);
return(await _memoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
cacheEntry.AddExpirationToken(ContentBlobCacheRegion.CreateChangeToken());
// If requested path is a directory we should always return true because Azure blob storage does not support checking if directories exist
var result = string.IsNullOrEmpty(Path.GetExtension(path));
if (!result)
{
var url = GetAbsoluteUrl(path);
try
{
result = await(await _cloudBlobClient.GetBlobReferenceFromServerAsync(new Uri(url))).ExistsAsync();
}
catch (Exception)
{
//Azure blob storage client does not provide method to check blob url exist without throwing exception
}
}
return result;
}));
}
/// <summary>
/// Check that blob or folder with passed path exist
/// </summary>
/// <param name="path">relative path /folder/blob.md</param>
/// <returns></returns>
public virtual bool PathExists(string path)
{
var cacheKey = CacheKey.With(GetType(), "PathExists", path);
return(_memoryCache.GetOrCreateExclusive(cacheKey, (cacheEntry) =>
{
path = NormalizePath(path);
cacheEntry.AddExpirationToken(Watch(path));
cacheEntry.AddExpirationToken(ContentBlobCacheRegion.CreateChangeToken());
var retVal = Directory.Exists(path);
if (!retVal)
{
retVal = File.Exists(path);
}
return retVal;
}));
}
public ActionResult ResetCache()
{
//TODO: Replace to some other (maybe with using reflection)
ThemeEngineCacheRegion.ExpireRegion();
CartCacheRegion.ExpireRegion();
CatalogCacheRegion.ExpireRegion();
ContentBlobCacheRegion.ExpireRegion();
CustomerCacheRegion.ExpireRegion();
MarketingCacheRegion.ExpireRegion();
PricingCacheRegion.ExpireRegion();
QuoteCacheRegion.ExpireRegion();
RecommendationsCacheRegion.ExpireRegion();
StaticContentCacheRegion.ExpireRegion();
StoreCacheRegion.ExpireRegion();
TaxCacheRegion.ExpireRegion();
SubscriptionCacheRegion.ExpireRegion();
SecurityCacheRegion.ExpireRegion();
return(StoreFrontRedirect("~/"));
}
public async virtual Task <bool> PathExistsAsync(string path)
{
path = NormalizePath(path);
var cacheKey = CacheKey.With(GetType(), "PathExistsAsync", path);
return(await _memoryCache.GetOrCreateExclusiveAsync(cacheKey, async (cacheEntry) =>
{
cacheEntry.AddExpirationToken(ContentBlobCacheRegion.CreateChangeToken());
var isDirectory = string.IsNullOrEmpty(Path.GetExtension(path));
var result = false;
if (isDirectory)
{
//There is only one way to check if the blob directory exists is to request its contents.
BlobContinuationToken token = null;
var operationContext = new OperationContext();
var directory = GetCloudBlobDirectory(path);
var resultSegment = await directory.ListBlobsSegmentedAsync(true, BlobListingDetails.Metadata, 1, token, _options.BlobRequestOptions, operationContext);
result = resultSegment.Results.Any();
}
else
{
try
{
var url = GetAbsoluteUrl(path);
result = await(await _cloudBlobClient.GetBlobReferenceFromServerAsync(new Uri(url))).ExistsAsync();
}
catch (Exception)
{
//Azure blob storage client does not provide method to check blob url exist without throwing exception
}
}
return result;
}));
}
