public async Task <Tuple <bool, CMPStorageError> > AddStreamToBlobAsync(Stream blobStream, string blobNameString,
CMPBlobStorageOptions
blobStorageOptions = null)
{
if (blobStream == null)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
if (string.IsNullOrEmpty(blobNameString) == true)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
try
{
var blobReference = PrepareBlockBlobReference(blobNameString);
if (blobReference == null)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
if (blobStorageOptions == null)
{
await blobReference.UploadFromStreamAsync(blobStream, blobStream.Length);
}
else
{
await blobReference.UploadFromStreamAsync(blobStream, blobStream.Length,
blobStorageOptions.AccessCondition,
blobStorageOptions.BlobRequestOptions,
blobStorageOptions.OperationContext, _tokenSource.Token);
}
return(new Tuple <bool, CMPStorageError>(true, null));
}
catch (StorageException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
catch (ArgumentException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
}
public async Task <Tuple <byte[], CMPStorageError> > DownloadFromBlobAsync(string blobNameString,
CMPBlobStorageOptions
blobStorageOptions = null)
{
if (string.IsNullOrEmpty(blobNameString) == true)
{
return(new Tuple <byte[], CMPStorageError>(null, null));
}
try
{
var blobReference = PrepareBlockBlobReference(blobNameString);
if (blobReference == null)
{
return(new Tuple <byte[], CMPStorageError>(null, null));
}
var memoryStream = new MemoryStream();
if (blobStorageOptions == null)
{
await blobReference.DownloadToStreamAsync(memoryStream);
}
else
{
await blobReference.DownloadToStreamAsync(memoryStream, blobStorageOptions.AccessCondition,
blobStorageOptions.BlobRequestOptions,
blobStorageOptions.OperationContext, _tokenSource.Token);
}
memoryStream.Close();
var downloadedBytesArray = memoryStream.GetBuffer();
return(new Tuple <byte[], CMPStorageError>(downloadedBytesArray, null));
}
catch (StorageException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <byte[], CMPStorageError>(null, null));
}
catch (ArgumentException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <byte[], CMPStorageError>(null, null));
}
}
public async Task <Tuple <bool, CMPStorageError> > DeleteBlobAsync(string blobNameString,
CMPBlobStorageOptions
blobStorageOptions = null)
{
if (string.IsNullOrEmpty(blobNameString) == true)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
try
{
var blobReference = PrepareBlockBlobReference(blobNameString);
if (blobReference == null)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
var couldDelete = false;
if (blobStorageOptions == null)
{
couldDelete = await blobReference.DeleteIfExistsAsync();
}
else
{
couldDelete = await blobReference.DeleteIfExistsAsync(blobStorageOptions.DeleteSnapshotsOption,
blobStorageOptions.AccessCondition,
blobStorageOptions.BlobRequestOptions,
blobStorageOptions.OperationContext,
_tokenSource.Token);
}
return(new Tuple <bool, CMPStorageError>(couldDelete, null));
}
catch (StorageException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
catch (ArgumentException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
}
public async Task <Tuple <bool, CMPStorageError> > AddBytesToBlobAsync(byte[] blobBytesArray,
string blobNameString,
CMPBlobStorageOptions
blobStorageOptions = null)
{
if ((blobBytesArray == null) || (blobBytesArray.Length == 0))
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
try
{
var blobReference = PrepareBlockBlobReference(blobNameString);
if (blobReference == null)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
if (blobStorageOptions == null)
{
await blobReference.UploadFromByteArrayAsync(blobBytesArray, 0, blobBytesArray.Length);
}
else
{
await blobReference.UploadFromByteArrayAsync(blobBytesArray, 0, blobBytesArray.Length,
blobStorageOptions.AccessCondition,
blobStorageOptions.BlobRequestOptions,
blobStorageOptions.OperationContext,
_tokenSource.Token);
}
return(new Tuple <bool, CMPStorageError>(true, null));
}
catch (StorageException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
catch (ArgumentException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
}
public async Task <Tuple <bool, CMPStorageError> > CreateBlobContainerAsync(CMPBlobStorageOptions
blobStorageOptions = null)
{
if (string.IsNullOrEmpty(_containerNameString) == true)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
try
{
var blobContainerReference = _cloudBlobClient.GetContainerReference(_containerNameString);
if (blobContainerReference == null)
{
return(new Tuple <bool, CMPStorageError>(false, null));
}
var couldCreate = false;
if (blobStorageOptions == null)
{
couldCreate = await blobContainerReference.CreateIfNotExistsAsync();
}
else
{
couldCreate = await blobContainerReference.CreateIfNotExistsAsync(blobStorageOptions.
BlobContainerPublicAccessType,
blobStorageOptions.
BlobRequestOptions,
blobStorageOptions.
OperationContext,
_tokenSource.Token);
}
return(new Tuple <bool, CMPStorageError>(couldCreate, null));
}
catch (StorageException exception)
{
var error = CMPStorageError.CreateErrorFromException(exception);
return(new Tuple <bool, CMPStorageError>(false, error));
}
}
