Extract workspace host and collapse Home partials

RpgRoller/Components/Pages/Home.razor.cs

@@ -1,5 +1,81 @@
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.AspNetCore.Components;
+using RpgRoller.Components;
+using RpgRoller.Contracts;
+
 namespace RpgRoller.Components.Pages;
 
+[ExcludeFromCodeCoverage]
 public partial class Home
 {
+    private HomeViewMode CurrentView { get; set; } = HomeViewMode.Loading;
+    private string? StatusMessage { get; set; }
+    private bool StatusIsError { get; set; }
+    private bool HasInitialized { get; set; }
+
+    [Inject]
+    private RpgRollerApiClient ApiClient { get; set; } = default!;
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (!firstRender || HasInitialized)
+        {
+            return;
+        }
+
+        HasInitialized = true;
+        await InitializeAsync();
+        await InvokeAsync(StateHasChanged);
+    }
+
+    private async Task InitializeAsync()
+    {
+        try
+        {
+            _ = await ApiClient.RequestAsync<MeResponse>("GET", "/api/me");
+            CurrentView = HomeViewMode.Workspace;
+            ClearStatus();
+        }
+        catch (ApiRequestException ex) when (ex.StatusCode == 401)
+        {
+            CurrentView = HomeViewMode.Anonymous;
+            ClearStatus();
+        }
+        catch (ApiRequestException ex)
+        {
+            CurrentView = HomeViewMode.Anonymous;
+            SetStatus(ex.Message, true);
+        }
+    }
+
+    private void OnLoggedInAsync()
+    {
+        CurrentView = HomeViewMode.Workspace;
+        ClearStatus();
+    }
+
+    private void OnLoggedOutAsync(string? message)
+    {
+        CurrentView = HomeViewMode.Anonymous;
+        if (string.IsNullOrWhiteSpace(message))
+        {
+            ClearStatus();
+            return;
+        }
+
+        var isError = message.Contains("expired", StringComparison.OrdinalIgnoreCase);
+        SetStatus(message, isError);
+    }
+
+    private void SetStatus(string message, bool isError)
+    {
+        StatusMessage = message;
+        StatusIsError = isError;
+    }
+
+    private void ClearStatus()
+    {
+        StatusMessage = null;
+        StatusIsError = false;
+    }
 }