- tweak: refactor funny

Nebula.Shared/Services/HubService.cs

@@ -0,0 +1,57 @@
+using Nebula.Shared.Models;
+
+namespace Nebula.Shared.Services;
+
+[ServiceRegister]
+public class HubService
+{
+    private readonly ConfigurationService _configurationService;
+    private readonly RestService _restService;
+
+    public Action<HubServerChangedEventArgs>? HubServerChangedEventArgs;
+    
+    private bool _isUpdating = false;
+    public HubService(ConfigurationService configurationService, RestService restService)
+    {
+        _configurationService = configurationService;
+        _restService = restService;
+        
+        UpdateHub();
+    }
+
+    public async void UpdateHub()
+    {
+        if(_isUpdating) return;
+
+        _isUpdating = true;
+        
+        
+        HubServerChangedEventArgs?.Invoke(new HubServerChangedEventArgs([], HubServerChangeAction.Clear));
+        
+        foreach (var urlStr in _configurationService.GetConfigValue(CurrentConVar.Hub)!)
+        {
+            var servers = await _restService.GetAsyncDefault<List<ServerHubInfo>>(new Uri(urlStr), [], CancellationToken.None);
+            HubServerChangedEventArgs?.Invoke(new HubServerChangedEventArgs(servers, HubServerChangeAction.Add));
+        }
+        
+        _isUpdating = false;
+    }
+    
+}
+
+public class HubServerChangedEventArgs : EventArgs
+{
+    public HubServerChangeAction Action;
+    public List<ServerHubInfo> Items;
+
+    public HubServerChangedEventArgs(List<ServerHubInfo> items, HubServerChangeAction action)
+    {
+        Items = items;
+        Action = action;
+    }
+}
+
+public enum HubServerChangeAction
+{
+    Add, Remove, Clear,
+}