public HttpResponseMessage GetBlob(string container, string name)
{
var blob = AzureStorageUtils.GetBlob(container, name);
if (blob.Exists())
{
blob.FetchAttributes();
var contentType = blob.Properties.ContentType;
var ms = new System.IO.MemoryStream();
blob.DownloadToStream(ms);
ms.Seek(0, SeekOrigin.Begin);
var result = new HttpResponseMessage(HttpStatusCode.OK);
result.Content = new StreamContent(ms);
// ctor MediaTypeHeaderValue() does not accept "text/plain; charset=utf-8" directly
MediaTypeHeaderValue value;
if (MediaTypeHeaderValue.TryParse(contentType, out value))
{
result.Content.Headers.ContentType = value;
}
return(result);
}
else
{
return(new HttpResponseMessage(HttpStatusCode.NotFound));
}
}
public async Task <IHttpActionResult> GetPresentation(int id)
{
// TODO. Enable CORS on the Azure blob and download presentation directly using AJAX. +http://odetocode.com/blogs/scott/archive/2014/03/31/http-clients-and-azure-blob-storage.aspx
// +http://blog.cynapta.com/2013/12/cynapta-azure-cors-helper-free-tool-to-manage-cors-rules-for-windows-azure-blob-storage/
var blob = AzureStorageUtils.GetBlob(AzureStorageUtils.ContainerNames.Presentations, KeyUtils.IntToKey(id));
var text = await blob.DownloadTextAsync();
//var text = await AzureStorageUtils.GetBlobAsText(AzureStorageUtils.ContainerNames.Presentations, KeyUtils.IntToKey(id));
return(new RawStringResult(this, text, RawStringResult.TextMediaType.PlainText));
}
public async Task <ActionResult> Claim(string id)
{
var userIdKey = KeyUtils.IntToKey(0);
var longTimeKey = id + this.GetExtId();
var blobName = ExerciseUtils.FormatBlobName(userIdKey, longTimeKey, "metadata", "json");
var blob = AzureStorageUtils.GetBlob(AzureStorageUtils.ContainerNames.Artifacts, blobName);
var metadataJson = await blob.DownloadTextAsync();
var metadata = JObject.Parse(metadataJson);
var serviceType = (string)metadata["serviceType"];
var cardId = (Guid?)metadata["cardId"];
var title = (string)metadata["title"];
var comment = (string)metadata["comment"];
var details = metadata["recordingDetails"];
var recordingDetails = details.ToObject <RecordingDetails>();
var exerciseId = await ExerciseUtils.CreateExercise(recordingDetails.BlobName, this.GetUserId(),
serviceType, ArtifactType.Mp3, recordingDetails.TotalDuration, title, cardId, comment, details.ToString(Formatting.None));
//~~ Redirect to the View exercise page.
return(RedirectToAction("View", new { Id = exerciseId }));
}