public async Task <ActionResult> DownloadAsync(long id, [FromServices] ICommandBus commandBus,
[FromServices] IBlobProvider blobProvider2, CancellationToken token)
{
var user = _userManager.GetLongUserId(User);
var query = new DocumentById(id, user);
var tItem = _queryBus.QueryAsync(query, token);
var tFiles = _blobProvider.FilesInDirectoryAsync("file-", id.ToString(), token);
await Task.WhenAll(tItem, tFiles);
var item = tItem.Result;
if (item == null)
{
return(NotFound());
}
if (item.Document.DocumentType == DocumentType.Video)
{
return(Unauthorized());
}
if (!item.IsPurchased)
{
return(Unauthorized());
}
var files = tFiles.Result;
var uri = files.First();
var file = uri.Segments.Last();
Task followTask = Task.CompletedTask;
//blob.core.windows.net/spitball-files/files/6160/file-82925b5c-e3ba-4f88-962c-db3244eaf2b2-advanced-linux-programming.pdf
if (item.Document.User.Id != user)
{
var command = new DownloadDocumentCommand(item.Document.Id, user);
//var command = new FollowUserCommand(item.Document.User.Id, user);
followTask = commandBus.DispatchAsync(command, token);
}
var messageTask = _queueProvider.InsertMessageAsync(new UpdateDocumentNumberOfDownloads(id), token);
await Task.WhenAll(followTask, messageTask);
var nameToDownload = item.Document.Title;
var extension = Path.GetExtension(file);
var url = blobProvider2.GenerateDownloadLink(uri, TimeSpan.FromMinutes(30), nameToDownload + extension);
return(Redirect(url.AbsoluteUri));
}
public void ExecuteCommand()
{
log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
try
{
if (Command != null)
{
Me = (DownloadDocumentCommand)Command;
}
DownloadDocument();
}
catch (Exception ex)
{
Page.DisplayErrorAlert(ex);
log.Error(ex);
}
}