public async Task Upload(string userId,
string connectionId,
string roomName,
string file,
string contentType,
Stream stream)
{
UploadResult result;
ChatMessage message;
try
{
result = await _processor.HandleUpload(file, contentType, stream, stream.Length);
if (result == null)
{
string messageContent = String.Format(LanguageResources.UploadFailed, Path.GetFileName(file));
_hubContext.Clients.Client(connectionId).postMessage(messageContent, "error", roomName);
return;
}
else if (result.UploadTooLarge)
{
string messageContent = String.Format(LanguageResources.UploadTooLarge, Path.GetFileName(file), (result.MaxUploadSize / 1048576f).ToString("0.00"));
_hubContext.Clients.Client(connectionId).postMessage(messageContent, "error", roomName);
return;
}
// Add the message to the persistent chat
message = _service.AddMessage(userId, roomName, result.Url);
// Keep track of this attachment
_service.AddAttachment(message, file, contentType, stream.Length, result);
}
catch (Exception ex)
{
string messageContent = String.Format(LanguageResources.UploadFailedException, Path.GetFileName(file), ex.Message);
_hubContext.Clients.Client(connectionId).postMessage(messageContent, "error", roomName);
return;
}
var messageViewModel = new MessageViewModel(message);
// Notify all clients for the uploaded url
_hubContext.Clients.Group(roomName).addMessage(messageViewModel, roomName);
_resourceProcessor.ProcessUrls(new[] { result.Url }, _hubContext.Clients, roomName, message.Id);
}
public async Task Upload(string userId,
string connectionId,
string roomName,
string file,
string contentType,
Stream stream)
{
if (stream.Length > _settings.MaxFileUploadBytes)
{
_hubContext.Clients.Client(connectionId).postMessage("Unable to upload " + Path.GetFileName(file) + " because it exceeded the maximum size allowed.", "error", roomName);
return;
}
UploadResult result;
ChatMessage message;
try
{
result = await _processor.HandleUpload(file, contentType, stream);
if (result == null)
{
_hubContext.Clients.Client(connectionId).postMessage("Failed to upload " + Path.GetFileName(file) + ".", "error", roomName);
return;
}
// Add the message to the persistent chat
message = _service.AddMessage(userId, roomName, result.Url);
// Keep track of this attachment
_service.AddAttachment(message, file, contentType, stream.Length, result);
}
catch (Exception ex)
{
_hubContext.Clients.Client(connectionId).postMessage("Failed to upload " + Path.GetFileName(file) + ". " + ex.Message, "error", roomName);
return;
}
var messageViewModel = new MessageViewModel(message);
// Notify all clients for the uploaded url
_hubContext.Clients.Group(roomName).addMessage(messageViewModel, roomName);
_resourceProcessor.ProcessUrls(new[] { result.Url }, _hubContext.Clients, roomName, message.Id);
}