public async Task <EasyBlobModel> UploadBlobAsync(string imageNameString, byte[] blobBytes)
{
var containerReference = _cloudBlobClient.GetContainerReference(_containerNameString);
var blobReference = containerReference.GetBlockBlobReference(imageNameString);
EasyBlobModel easyBlobModel = null;
string blobExceptionMessage = string.Empty;
try
{
await blobReference.UploadFromByteArrayAsync(blobBytes, 0, blobBytes.Length);
}
catch (Exception ex)
{
blobExceptionMessage = ex.Message;
}
finally
{
easyBlobModel = new EasyBlobModel()
{
BlobName = imageNameString,
BlobExceptionMessage = blobExceptionMessage
};
}
return(easyBlobModel);
}
private async Task UploadImageAsync(string imageNameString, string extensionString,
byte[] imageBytesArray)
{
using (var httpClient = new HttpClient())
{
var fileNameString = string.Concat(imageNameString, ".", extensionString);
var imgae64String = Convert.ToBase64String(imageBytesArray);
var easyBlobModel = new EasyBlobModel()
{
BlobNameString = fileNameString,
BlobContentsString = imgae64String
};
var easyBloModelString = JsonConvert.SerializeObject(easyBlobModel);
httpClient.BaseAddress = new Uri("https://easymobileapp.azurewebsites.net/");
using (var stringContent = new StringContent(easyBloModelString, Encoding.UTF8))
{
stringContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var httpResponse = await httpClient.PutAsync($"api/blob/{imageNameString}/{extensionString}", stringContent);
var responseString = await httpResponse.Content.ReadAsStringAsync();
Console.WriteLine(responseString);
}
}
}
public async Task <HttpResponseMessage> Put(string blobNameString, string typeString,
[FromBody] EasyBlobModel uploadBlobModel)
{
var blobBytes = Convert.FromBase64String(uploadBlobModel.BlobContents);
var imageNameString = string.Concat(blobNameString, ".", typeString);
var easyBlobModel = await _blobService.UploadBlobAsync(imageNameString, blobBytes);
var responseMessage = PrepareResponse(easyBlobModel);
return(responseMessage);
}
private HttpResponseMessage PrepareResponse(EasyBlobModel easyBlobModel)
{
HttpResponseMessage responseMessage = null;
if (string.IsNullOrEmpty(easyBlobModel.BlobExceptionMessage) == false)
{
responseMessage = Request.CreateErrorResponse(HttpStatusCode.InternalServerError,
easyBlobModel.BlobExceptionMessage);
}
else
{
responseMessage = Request.CreateResponse(HttpStatusCode.OK, easyBlobModel);
}
return(responseMessage);
}
public async Task <EasyBlobModel> DownloadBlobAsync(string imageNameString)
{
var containerReference = _cloudBlobClient.GetContainerReference(_containerNameString);
var blobReference = containerReference.GetBlockBlobReference(imageNameString);
byte[] blobBuffer = null;
EasyBlobModel easyBlobModel = null;
string blobExceptionMessage = string.Empty;
string blobEncodedString = string.Empty;
using (var memoryStream = new MemoryStream())
{
try
{
await blobReference.DownloadToStreamAsync(memoryStream, _tokenSource.Token);
blobBuffer = memoryStream.GetBuffer();
blobEncodedString = Convert.ToBase64String(blobBuffer, 0, blobBuffer.Length);
}
catch (Exception ex)
{
blobExceptionMessage = ex.Message;
}
finally
{
easyBlobModel = new EasyBlobModel()
{
BlobContents = blobEncodedString,
BlobName = imageNameString,
BlobExceptionMessage = blobExceptionMessage
};
}
return(easyBlobModel);
}
}
