[~] Fix new app servers not visible in LSB after creation CactuseSecurity#2973

Author: SolidProgramming

roles/lib/files/FWO.Services/EventMediator/Events/EditAppServerSavedEvent.cs

@@ -0,0 +1,6 @@
+using FWO.Services.EventMediator.Interfaces;
+
+namespace FWO.Services.EventMediator.Events;
+
+public class EditAppServerSavedEvent : IEvent { }
+

roles/lib/files/FWO.Services/ModellingConnectionHandler.cs

@@ -173,7 +173,7 @@ public async Task ReInit()
             }
         }
 
-        private async Task RefreshObjects()
+        public async Task RefreshObjects()
         {
             await RefreshPreselectedInterfaces();
             PreselectedInterfaces = ModellingConnectionWrapper.Resolve(await apiConnection.SendQueryAsync<List<ModellingConnectionWrapper>>(ModellingQueries.getSelectedConnections, new { appId = Application.Id })).ToList();

roles/ui/files/FWO.UI/Pages/NetworkModelling/EditAppServer.razor

@@ -1,5 +1,8 @@
-@using System.Text.Json
+@using System.Text.Json
 @using System.Net
+@using FWO.Services.EventMediator.Events
+@using FWO.Services.EventMediator.Interfaces
+@inject IEventMediator EventMediator
 
 @attribute [Authorize(Roles = $"{Roles.Admin}, {Roles.Auditor}")]
 
@@ -47,7 +50,7 @@
                         @if (!AppServerHandler.ReadOnly)
                         {
                             <button type="button" class="btn btn-sm btn-primary col-sm-3" data-toggle="@("tooltip")"
-                                title="@(userConfig.PureLine("C9017"))"@onclick="Lookup">@(userConfig.GetText("generate_name"))</button>
+                            title="@(userConfig.PureLine("C9017"))"@onclick="Lookup">@(userConfig.GetText("generate_name"))</button>
                         }
                     }
                     else
@@ -106,6 +109,8 @@
     private bool firstTry = true;
     private bool workInProgress = false;
 
+    private readonly static EditAppServerSavedEvent OnEditAppServerSavedEvent = new();
+
     protected override void OnInitialized()
     {
         try
@@ -171,6 +176,7 @@
                     await AppServerHandlerChanged.InvokeAsync(AppServerHandler);
                     Close();
                 }
+                EventMediator.Publish<EditAppServerSavedEvent>(OnEditAppServerSavedEvent);
                 workInProgress = false;
             }
             catch (Exception exception)

roles/ui/files/FWO.UI/Pages/NetworkModelling/EditConnLeftSide.razor

@@ -1,4 +1,7 @@
+@using FWO.Services.EventMediator.Events
+@using FWO.Services.EventMediator.Interfaces
 @using FWO.Ui.Display
+@inject IEventMediator EventMediator
 
 @inject UserConfig userConfig
 
@@ -15,7 +18,7 @@
             <h5>@(userConfig.GetText("network_objects"))</h5>
             <div class="form-group row">
                 <div class="@ColWidthClass()">
-                    <DraggableList AllElements="ConnHandler.AvailableNwElems" @bind-SelectedElements="selectedNwElems" 
+                    <DraggableList AllElements="AvailableNwElements" @bind-SelectedElements="selectedNwElems" 
                     HandleDragStart="HandleNwDragStart" Display="@DisplayNwObject" MaxHeight="25"/>
                 </div>
                 @if(!OverviewMode)
@@ -284,6 +287,13 @@
         }
     }
 
+    private List<KeyValuePair<int, long>> AvailableNwElements = [];
+
+    protected override async Task OnInitializedAsync()
+    {
+        EventMediator.Subscribe<EditAppServerSavedEvent>(new Action<EditAppServerSavedEvent>(async _ => await LoadNwElements(refresh: true)));
+        await LoadNwElements();
+    }
 
     private string DisplayInterfaceWithIcon(ModellingConnection interf)
     {
@@ -684,4 +694,19 @@
     {
         return OverviewMode ? "col-sm-12" : "col-sm-10";
     }
+
+    private async Task LoadNwElements(bool refresh = false)
+    {
+        if(ConnHandler is null)
+        {
+            return; 
+        }
+
+        if (refresh)
+        {
+            await ConnHandler.RefreshObjects();
+        }
+
+        AvailableNwElements = ConnHandler.AvailableNwElems;
+    }
 }