Шифрование, GIF, хранилище, админка

apps/server-net/src/Modules/Chats/Infrastructure/SignalR/ChatHub.cs

@@ -7,6 +7,7 @@ using Microsoft.Extensions.Logging;
 using Knot.Modules.Chats.Application.Messages.Send;
 using Knot.Modules.Chats.Domain;
 using Knot.Shared.Kernel;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace Knot.Modules.Chats.Infrastructure.SignalR;
 
@@ -21,17 +22,21 @@ public sealed class ChatHub : Hub
     // chatId → (userId → ParticipantInfo)
     private static readonly ConcurrentDictionary<string, ConcurrentDictionary<string, ParticipantInfo>> _groupCallParticipants = new();
 
+    public static int OnlineUsersCount => _userConnections.Count;
+
     private readonly ISender _sender;
     private readonly IUserContext _userContext;
     private readonly IChatRepository _chatRepository;
     private readonly ILogger<ChatHub> _logger;
+    private readonly IMemoryCache _cache;
 
-    public ChatHub(ISender sender, IUserContext userContext, IChatRepository chatRepository, ILogger<ChatHub> logger)
+    public ChatHub(ISender sender, IUserContext userContext, IChatRepository chatRepository, ILogger<ChatHub> logger, IMemoryCache cache)
     {
         _sender = sender;
         _userContext = userContext;
         _chatRepository = chatRepository;
         _logger = logger;
+        _cache = cache;
     }
 
     public override async Task OnConnectedAsync()
@@ -45,6 +50,8 @@ public sealed class ChatHub : Hub
                 (_, set) => { lock (set) { set.Add(Context.ConnectionId); } return set; }
             );
 
+            _cache.Set("Global_OnlineUsersCount", _userConnections.Count);
+
             var userChats = await _chatRepository.GetUserChatsAsync(_userContext.UserId, Context.ConnectionAborted);
             foreach (var chat in userChats)
             {
@@ -74,6 +81,7 @@ public sealed class ChatHub : Hub
                     await Clients.Others.SendAsync("user_offline", new { userId, lastSeen = DateTime.UtcNow });
                 }
             }
+            _cache.Set("Global_OnlineUsersCount", _userConnections.Count);
             _logger.LogInformation("User {UserId} disconnected", userId);
         }
         await base.OnDisconnectedAsync(exception);