private void GetAllUser(object source, OnGetUserEventArgs args)
{
if (!args.Update)
{
foreach (string name in args.Users)
{
if (!OnlineUsers.Any(u => u.Name == name))
{
MainDispatcher.Invoke(() => { OnlineUsers.Add(new User {
Name = name
}); });
}
}
}
else
{
if (args.AddUser)
{
MainDispatcher.Invoke(() => { OnlineUsers.Add(new User {
Name = args.User
}); });
}
else
{
try
{
var user = OnlineUsers.FirstOrDefault(u => u.Name == args.User);
MainDispatcher.Invoke(() => { OnlineUsers.Remove(user); });
}
catch
{
}
}
}
}
public static void RemoveOnlineUser(string userID)
{
if (OnlineUsers != null)
{
var onlineUser = OnlineUsers.FirstOrDefault(p => p.ID == userID);
if (onlineUser != null)
{
OnlineUsers.Remove(onlineUser);
}
}
}
public static void AddOnlineUser(HubUser hubUser)
{
if (OnlineUsers == null)
{
OnlineUsers = new List <HubUser>();
}
if (OnlineUsers.FirstOrDefault(p => p.ID == hubUser.ID) == null)
{
OnlineUsers.Add(hubUser);
}
}
public async Task SendMessage(string message)
{
var user = OnlineUsers.FirstOrDefault(usr => usr.Id == Context.ConnectionId);
var chat = Chats.FirstOrDefault(ch => ch.ChatId == user.ChatId);
chat.Messages.Add(new Message {
Sender = user.UserName, Content = message
});
foreach (var item in chat.ConnectedUsers)
{
await Clients.Client(item.Id).SendAsync("UpdateChat", chat);
}
}
public async Task ConnectToChat(int chatId)
{
var user = OnlineUsers.FirstOrDefault(usr => usr.Id == usr.Id);
if (user.ChatId.HasValue)
{
var chattmp = Chats.FirstOrDefault(ch => ch.ChatId == user.ChatId);
chattmp.ConnectedUsers.Remove(user);
user.ChatId = null;
}
var chat = Chats.FirstOrDefault(chat => chat.ChatId == chatId);
chat.ConnectedUsers.Add(user);
user.ChatId = chat == null? 1: chat.ChatId;
if (chat != null)
{
await Clients.Caller.SendAsync("ConnectToChat", chat);
}
}
public override Task OnDisconnectedAsync(Exception exception)
{
var disconectedUser = OnlineUsers.FirstOrDefault(usr => usr.Id == Context.ConnectionId);
OnlineUsers.Remove(disconectedUser);
if (disconectedUser == null)
{
return(null);
}
var chat = Chats.FirstOrDefault(ch => ch.ChatId == disconectedUser.ChatId);
if (disconectedUser != null)
{
chat.ConnectedUsers.Remove(disconectedUser);
}
foreach (var item in chat.ConnectedUsers)
{
Clients.Client(item.Id).SendAsync("UpdateChat", chat);
}
Clients.All.SendAsync("UserConnected", GetOnlineUsers());
return(base.OnDisconnectedAsync(exception));
}
public async Task Connect(UserViewModel user)
{
var newUser = new User {
Id = Context.ConnectionId, UserName = user.Name
};
if (OnlineUsers.FirstOrDefault(usr => usr.Id == Context.ConnectionId) != null)
{
var old = OnlineUsers.FirstOrDefault(usr => usr.Id == Context.ConnectionId);
old.UserName = user.Name;
await Clients.All.SendAsync("UserConnected", GetOnlineUsers());
}
else
{
OnlineUsers.Add(newUser);
await Clients.All.SendAsync("UserConnected", GetOnlineUsers());
}
var chat = Chats.FirstOrDefault(cht => cht.Name == "Global Chat");
newUser.ChatId = chat.ChatId;
chat.ConnectedUsers.Add(newUser); //бага тута
//await Clients.Caller.SendAsync("ConnectToChat2", new { newUser.CurrentChat.Messages, Users = new[] { new User { UserName = "******" } } });
//var costilniyChat = new Chat {
// ConnectedUsers = newUser.CurrentChat.ConnectedUsers.Select(usr => new User
// {
// UserName = usr.UserName,
// MessageBox = newUser.MessageBox,
// Id = newUser.Id,
// CurrentChat = null
// }).ToList(),
// ChatId = newUser.CurrentChat.ChatId,
// Messages = newUser.CurrentChat.Messages,
// Name = newUser.CurrentChat.Name
//};
await Clients.Caller.SendAsync("ConnectToChat", chat);
}
/// <summary>
/// Finds user from Online Users list by its name
/// </summary>
/// <param name="username">Username to find</param>
/// <returns>User object or null</returns>
public User FindOnlineUser(string username)
{
return(OnlineUsers.FirstOrDefault(x => string.Equals(x.Username, username, StringComparison.OrdinalIgnoreCase)));
}
