public bool GetTenantDiscourseFileUrl(Tenant tenant, DiscoursePostVersionAttachment discoursePostVersionAttachment, out string url, out Exception exception)
{
var result = false;
url = string.Empty;
exception = null;
try
{
var connectionString = tenant.StorageConnectionStringPrimary;
var account = CloudStorageAccount.Parse(connectionString);
var client = account.CreateCloudBlobClient();
var container = client.GetContainerReference("discourseexternaldocuments");// tenant.UrlResourceGroup);
container.CreateIfNotExists();
container.SetPermissions(new BlobContainerPermissions {
PublicAccess = BlobContainerPublicAccessType.Container,
});
var blob = container.GetBlockBlobReference(discoursePostVersionAttachment.FileNameServer);
url = blob.Uri.AbsoluteUri;
result = true;
}
catch (Exception e)
{
exception = e;
}
return(result);
}
public bool DiscourseDocumentUpload(TenantUserSession tenantUserSession, DiscoursePostVersionAttachment discourseDocument, Stream stream, CancellationToken cancellationToken, out Exception exception)
{
var result = false;
exception = null;
try
{
var connectionString = tenantUserSession.Tenant.StorageConnectionStringPrimary;
var account = CloudStorageAccount.Parse(connectionString);
var client = account.CreateCloudBlobClient();
var container = client.GetContainerReference("discourseexternaldocuments");
container.CreateIfNotExists();
container.SetPermissions(new BlobContainerPermissions {
PublicAccess = BlobContainerPublicAccessType.Off,
});
var blob = container.GetBlockBlobReference(discourseDocument.Id.ToString() + "." + GlobalConstants.FileExtensionCloud);
var running = true;
var watch = System.Diagnostics.Stopwatch.StartNew();
stream.Seek(0, SeekOrigin.Begin);
blob.DeleteIfExists(DeleteSnapshotsOption.IncludeSnapshots);
var task = blob.UploadFromStreamAsync(stream, cancellationToken);
do
{
switch (task.Status)
{
case TaskStatus.Canceled:
case TaskStatus.Faulted:
case TaskStatus.RanToCompletion:
{ running = false; break; }
}
Thread.Sleep(TimeSpan.FromSeconds(1));
cancellationToken.ThrowIfCancellationRequested();
}while (running);
switch (task.Status)
{
case TaskStatus.Faulted:
case TaskStatus.Canceled:
{
running = false;
throw (task.Exception ?? new Exception("The upload task encountered an unknown exception."));
}
}
result = true;
}
catch (Exception e)
{
exception = e;
}
return(result);
}
public bool GetDiscourseDocumentFileStream(Tenant tenant, DiscoursePostVersionAttachment discoursePostVersionAttachment, out Stream stream, out Exception exception)
{
var result = false;
stream = null;
exception = null;
try
{
var connectionString = tenant.StorageConnectionStringPrimary;
var account = CloudStorageAccount.Parse(connectionString);
var client = account.CreateCloudBlobClient();
var container = client.GetContainerReference("discourseexternaldocuments");// tenant.UrlResourceGroup);
container.CreateIfNotExists();
container.SetPermissions(new BlobContainerPermissions {
PublicAccess = BlobContainerPublicAccessType.Off,
});
var blob = container.GetBlockBlobReference(discoursePostVersionAttachment.FileNameServer);
stream = new MemoryStream();
blob.DownloadToStream(stream);
result = true;
}
catch (Exception e)
{
if (stream != null)
{
try { stream.Dispose(); }
finally { stream = null; }
}
exception = e;
}
return(result);
}
