public async Task <bool> AddFiles(string AccountName, string AccountKey, Guid ContainerName, string filename, int filesize, string mimeType)
{
string blockHash;
byte[] hashCode;
string UserConnectionString = string.Format("DefaultEndpointsProtocol=https;AccountName={0};AccountKey={1}", AccountName, AccountKey);
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(UserConnectionString);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(ContainerName.ToString());
var containerData = await container.CreateIfNotExistsAsync();
if (containerData)
{
await container.SetPermissionsAsync(new BlobContainerPermissions { PublicAccess = BlobContainerPublicAccessType.Blob });
}
var checkIfExists = container.GetBlockBlobReference(ContainerName + "_" + filename).ExistsAsync();
if (checkIfExists.Result == true)
{
return(false);
}
string contentType;
var provider = new FileExtensionContentTypeProvider();
if (!provider.TryGetContentType(filename, out contentType))
{
contentType = "application/octet-stream";
}
if (mimeType != null)
{
if (mimeType != contentType)
{
return(false);
}
else
{
contentType = mimeType;
}
}
CloudBlockBlob blockBlob = container.GetBlockBlobReference(ContainerName + "_" + filename);
string rootpath = AppContext.BaseDirectory;
if (rootpath.Contains("bin"))
{
rootpath = rootpath.Substring(0, rootpath.IndexOf("bin"));
}
string path = rootpath + @"\BatchFiles\";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string filePath = path + ContainerName + "_" + filename;
using (FileStream fs = System.IO.File.Create(filePath))
{
commonUtility.AddText(fs, "foo");
commonUtility.AddText(fs, "bar\tbaz");
hashCode = MD5.Create().ComputeHash(fs);
}
using (FileStream fileStream =
new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
int blockSize = filesize * 1024;
long fileSize = fileStream.Length;
int blockCount = (int)((float)fileSize / (float)blockSize) + 1;
List <string> blockIDs = new List <string>();
int blockNumber = 0;
int bytesRead = 0;
long bytesLeft = fileSize;
while (bytesLeft > 0)
{
blockNumber++;
int bytesToRead;
if (bytesLeft >= blockSize)
{
bytesToRead = blockSize;
}
else
{
bytesToRead = (int)bytesLeft;
}
string blockId =
Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(string.Format("BlockId{0}",
blockNumber.ToString("0000000"))));
blockIDs.Add(blockId);
byte[] bytes = new byte[bytesToRead];
fileStream.Read(bytes, 0, bytesToRead);
blockHash = commonUtility.GetMD5HashFromStream(bytes);
await blockBlob.PutBlockAsync(blockId, new MemoryStream(bytes), blockHash);
bytesRead += bytesToRead;
bytesLeft -= bytesToRead;
}
await blockBlob.PutBlockListAsync(blockIDs);
BatchFilesMetaData batchFilesMetaData = new BatchFilesMetaData();
batchFilesMetaData.BatchId = ContainerName;
batchFilesMetaData.FileName = ContainerName + "_" + filename;
batchFilesMetaData.MIMEType = contentType;
batchFilesMetaData.FileSize = filesize;
batchFilesMetaData.Hash = BitConverter.ToString(hashCode);
batchDBContext.BatchFilesMetaData.Add(batchFilesMetaData);
batchDBContext.SaveChanges();
return(true);
}
}