public FileUploadStatus UploadBlock(int id, byte[] chunk, FileUploadModel modelObj)
{
AzureFileUploadModel model = modelObj as AzureFileUploadModel;
bool errorInOperation = false;
if (model != null && chunk.Length != 0)
{
using (var chunkStream = new MemoryStream(chunk))
{
var blockId = Convert.ToBase64String(Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "{0:D4}", id)));
try
{
model.BlockBlob.PutBlock(blockId, chunkStream, null);
}
catch (StorageException e)
{
//...
return(new FileUploadStatus()
{
Error = true, IsLastBlock = false, Message = model.UploadStatusMessage
});
}
}
}
if (id == model.BlockCount)
{
//...
try
{
var blockList = Enumerable.Range(0, (int)model.BlockCount).ToList <int>().ConvertAll(rangeElement => Convert.ToBase64String(Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "{0:D4}", rangeElement))));
model.BlockBlob.PutBlockList(blockList);
//...
return(new FileUploadStatus()
{
IsLastBlock = true
});
}
catch (StorageException e)
{
errorInOperation = true;
//...
}
finally
{
//Session.Clear();
}
return(new FileUploadStatus()
{
Error = errorInOperation, IsLastBlock = model.IsUploadCompleted, Message = model.UploadStatusMessage
});
}
return(new FileUploadStatus()
{
Error = false, IsLastBlock = false
}); //new { error = true, isLastBlock = false, message = "Error" /*string.Format(Resources.FailedToUploadFileMessage, Resources.SessonExpired)*/ };
}
public FileUploadModel PrepareMetaData(int blocksCount, int blockSize, string fileName, long fileSize)
{
CloudBlobContainer container = GetContainer(true);
var fileToUpload = new AzureFileUploadModel()
{
BlockCount = blocksCount,
FileName = fileName,
FileSize = fileSize,
BlockBlob = container.GetBlockBlobReference(fileName),
StartTime = DateTime.Now,
IsUploadCompleted = false,
UploadStatusMessage = string.Empty
};
return(fileToUpload);
}
