/// <summary>
/// Adds a room and appends the specified <paramref name="message"/>, or just appends the message if the room exists.
/// </summary>
/// <param name="roomName"></param>
/// <param name="message"></param>
public void AddOrUpdateMessage(string roomName, RoomMessage message)
{
Rooms.AddOrUpdate(roomName, new Room()
{
Messages = new List <RoomMessage>()
{
message
}
}, (_, room) =>
{
if (room.Messages.Count >= MessageLimit)
{
room.Messages = room.Messages.TakeLast(MessageLimit - 1).ToList();
}
room.Messages.Add(message);
return(room);
});
}
