public ActionResult Get(Guid id)
{
var canvas = storage.GetById(id)?.Canvas;
if (canvas == null)
{
return(NotFound());
}
return(File(canvas.GetBytes(), "image/png"));
}
public async Task UserJoin(Guid id)
{
var connection = connectionStorage.GetById(Context.ConnectionId);
if (connection.Room != null)
{
connection.Room.Leave(connection);
}
var room = activeRoomStorage.GetById(id);
if (room != null)
{
room.Join(connection);
await Groups.AddToGroupAsync(Context.ConnectionId, id.ToString()).ConfigureAwait(false);
await Clients.Group(id.ToString()).UserJoined(connection.Room).ConfigureAwait(false);
}
}