public async Task JoinRoom(int id)
{
if (id == CurrentRoom.Id)
{
return;
}
if (CurrentRoom.Id != 0)
{
ChatFacade.LeaveChatRoom(CurrentRoom.Id, CurrentUser.Id);
await Service.ChangeViewModelForConnectionsAsync(
(ChatViewModel viewModel) =>
{
viewModel.CurrentRoom.UserList = viewModel.CurrentRoom.UserList.Where(u => u.Id != CurrentUser.Id).ToList();
viewModel.Messages.Add(new ChatMessageDto
{
Message = "User has left",
UserName = CurrentUser.Name,
ChatRoomId = CurrentRoom.Id,
Time = DateTime.Now,
UserId = CurrentUser.Id
});
},
ChatFacade
.GetAllUsersFromChatRoom(CurrentRoom.Id)
.Select(s => s.ConnectionId)
.ToList());
}
CurrentRoom = ChatFacade.GetChatRoomById(id);
ChatFacade.AddUserToChatRoom(id, CurrentUser);
Messages = ChatFacade.GetRecentMessagesFromRoom(id);
IsInRoom = true;
CurrentRoom.UserList.Add(CurrentUser);
await Service.ChangeViewModelForConnectionsAsync(
(ChatViewModel viewModel) =>
{
viewModel.CurrentRoom.UserList.Add(CurrentUser);
viewModel.Messages.Add(new ChatMessageDto
{
Message = "User has connected",
UserName = CurrentUser.Name,
ChatRoomId = CurrentRoom.Id,
Time = DateTime.Now,
UserId = CurrentUser.Id
});
},
ChatFacade
.GetAllUsersFromChatRoom(CurrentRoom.Id)
.Select(s => s.ConnectionId)
.ToList());
}
public async Task SendMessage()
{
if (!string.IsNullOrEmpty(NewMessage) && CurrentRoom.Id > 0)
{
var msg = new ChatMessageDto
{
UserId = CurrentUser.Id,
ChatRoomId = CurrentRoom.Id,
Message = NewMessage,
Time = DateTime.Now,
UserName = CurrentUser.Name
};
msg.Id = ChatFacade.SendMessageToChatRoom(CurrentUser, msg);
Messages.Add(msg);
NewMessage = "";
await Service.ChangeViewModelForConnectionsAsync((ChatViewModel viewModel) => { viewModel.Messages.Add(msg); },
ChatFacade
.GetAllUsersFromChatRoom(CurrentRoom.Id)
.Select(s => s.ConnectionId)
.ToList());
}
}