public static async Task <T> StorageDeleteAsync <T>(this Rest restme, string storageRelativePath)
{
MustBeStorageMode(restme);
var container = await restme.GetAzureBlobContainerAsync(storageRelativePath);
var blobItemPath = restme.IdentifyBlobItemPath(storageRelativePath);
if (blobItemPath.IsNullOrEmpty())
{
throw new OEliteWebException("Invalid blob item name.");
}
var blockBlob = container.GetBlockBlobReference(blobItemPath);
try
{
await blockBlob.DeleteIfExistsAsync();
if (typeof(T) == typeof(bool))
{
return((T)Convert.ChangeType(true, typeof(T)));
}
}
catch (Exception ex)
{
Rest.LogDebug("Unable to delete requested data:\n" + ex.Message, ex);
}
return(default(T));
}
public static async Task <T> StorageGetAsync <T>(this Rest restme, string storageRelativePath)
{
MustBeStorageMode(restme);
var container = await restme.GetAzureBlobContainerAsync(storageRelativePath);
var blobItemPath = restme.IdentifyBlobItemPath(storageRelativePath);
if (blobItemPath.IsNullOrEmpty())
{
throw new OEliteWebException("Invalid blob item name.");
}
var blockBlob = container.GetBlockBlobReference(blobItemPath);
using (MemoryStream stream = new MemoryStream())
{
try
{
if (typeof(Stream).IsAssignableFrom(typeof(T)))
{
await blockBlob.DownloadToStreamAsync(stream);
MemoryStream streamForOutput = new MemoryStream(stream.ToArray());
return((T)Convert.ChangeType(streamForOutput, typeof(T)));
}
else
{
var jsonStringValue = await blockBlob.DownloadTextAsync();
if (typeof(T) == typeof(string))
{
return((T)Convert.ChangeType(jsonStringValue, typeof(T)));
}
else
{
return(jsonStringValue.JsonDeserialize <T>());
}
}
}
catch (Exception ex)
{
Rest.LogDebug("Unable to fetch requested blob:" + ex.Message, ex);
return(default(T));
}
}
}
public static async Task <T> StoragePostAsync <T>(this Rest restme, string storageRelativePath, T dataObject)
{
MustBeStorageMode(restme);
if (dataObject == null)
{
throw new OEliteWebException("Uploading null blob is not supported, use delete method if you intended to delete.");
}
var container = await restme.GetAzureBlobContainerAsync(storageRelativePath);
var blobItemPath = restme.IdentifyBlobItemPath(storageRelativePath);
if (blobItemPath.IsNullOrEmpty())
{
throw new OEliteWebException("Invalid blob item name.");
}
var blockBlob = container.GetBlockBlobReference(blobItemPath);
Stream stream = null;
using (stream = new MemoryStream())
{
try
{
if (typeof(Stream).IsAssignableFrom(typeof(T)))
{
stream = dataObject as Stream;
stream.Position = 0;
await blockBlob.UploadFromStreamAsync(stream);
}
else
{
var jsonValue = dataObject.JsonSerialize();
await blockBlob.UploadTextAsync(jsonValue, restme._currentEncoding, restme.DefaultAzureBlobAccessCondition, restme.DefaultAzureBlobRequestOptions, restme.DefaultAzureBlobOperationContext);
}
return(dataObject);
}
catch (Exception ex)
{
Rest.LogDebug("Unable to upload requested data:\n" + ex.Message, ex);
return(default(T));
}
}
}
