public ActiveRoom GetById(Guid id)
{
if (!activeRooms.TryGetValue(id, out var activeRoom))
{
Room room;
using (var context = CreateContext())
room = context.Rooms.Include(r => r.Canvas).FirstOrDefault(r => r.Id == id);
if (room == null)
{
return(null);
}
activeRoom = new ActiveRoom(room);
Add(room.Id, activeRoom);
}
return(activeRoom);
}
public void Add(Guid id, ActiveRoom item)
{
activeRooms.TryAdd(id, item);
item.OnLeft += (sender, args) =>
{
var room = (ActiveRoom)sender;
if (room.ConnectionsCount == 0)
{
Remove(room.Id);
room.Canvas.Flush();
using (var context = CreateContext())
{
context.Update(room);
context.SaveChanges();
}
}
};
}
