public ChatRoomViewModel CreateViewModelAndSubscribe(ChatMessageReceivedCallback messageReceivedCallback)
{
lock (synchronization) {
var previousMessages = messages.ToList().Select(kvp => kvp.Key).ToList();
var viewModel = new ChatRoomViewModel(this, previousMessages, messageReceivedCallback);
viewModels.AddOrThrow(viewModel);
return(viewModel);
}
}
public ChatRoomViewModel CreateChatRoomViewModelByIdentityHashAndSubscribe(IdentityHash chatroomIdentityHash, ChatMessageReceivedCallback messageReceivedCallback)
{
var chatRoomContext = ChatRoomTable.GetOrCreate(chatroomIdentityHash);
return(chatRoomContext.CreateViewModelAndSubscribe(messageReceivedCallback));
}
public ChatRoomViewModel CreateChatRoomViewModelByNameAndSubscribe(string chatroomName, ChatMessageReceivedCallback messageReceivedCallback)
{
var destinationHash = IdentityHash.GetFlyweight(CryptoUtil.GetHash(Encoding.UTF8.GetBytes(chatroomName)));
return(CreateChatRoomViewModelByIdentityHashAndSubscribe(destinationHash, messageReceivedCallback));
}
public ChatRoomViewModel(ChatRoomContext context, List <ChatMessageDto> initialMessages, ChatMessageReceivedCallback messageReceivedCallback)
{
Context = context;
InitialMessages = initialMessages;
MessageReceivedCallback = messageReceivedCallback;
}