Explore possible perf issues with static property loading

Samples/ProjectTracker/Directory.Packages.props

@@ -1,13 +1,15 @@
 <Project>
  <PropertyGroup>
  <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
- <CslaVersion>9.0.0-alpha-g3aa97cd7dd</CslaVersion>
+ <CslaVersion>9.0.0-preview-gc9290534f6</CslaVersion>
  </PropertyGroup>
  <ItemGroup>
  <PackageVersion Include="Csla" Version="$(CslaVersion)" />
  <PackageVersion Include="Csla.AspNetCore" Version="$(CslaVersion)" />
  <PackageVersion Include="Csla.Blazor" Version="$(CslaVersion)" />
  <PackageVersion Include="Csla.Blazor.WebAssembly" Version="$(CslaVersion)" />
+ <PackageVersion Include="Marimer.Blazor.RenderMode" Version="1.0.2" />
+ <PackageVersion Include="Marimer.Blazor.RenderMode.WebAssembly" Version="1.0.2" />
  <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.7" />
  <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="8.0.7" />
  <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="8.0.7" />

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor.Client/Pages/EditProject.razor

@@ -1,11 +1,14 @@
 @page "/editproject"
 @page "/editproject/{id:int}"
-@using Microsoft.AspNetCore.Components.Authorization
+
 @rendermode InteractiveAuto
 
+@using Marimer.Blazor.RenderMode
+@using Microsoft.AspNetCore.Components.Authorization
+
 @inject NavigationManager NavigationManager
 @inject Csla.Blazor.State.StateManager StateManager
-@inject ProjectTracker.Blazor.RenderModeProvider renderModeProvider
+@inject RenderModeProvider renderModeProvider
 @inject Csla.IDataPortal<ProjectEdit> projectEditPortal
 @inject Csla.Blazor.ViewModel<ProjectEdit> vm
 @inject Csla.ApplicationContext ApplicationContext
@@ -17,19 +20,14 @@
  <p class="alert-danger">@vm.Exception.ToString()</p>
 }
 
-@if (!IsInteractive)
+@if (!IsInteractive || vm.Model == null)
 {
  <h1>Edit Project</h1>
  <p class="animated-box"></p>
  <p class="animated-box"></p>
  <p class="animated-box"></p>
  <p class="animated-box"></p>
 }
-else if (vm.Model == null)
-{
- <h1>Edit Project</h1>
- <p>Loading data...</p>
-}
 else
 {
  <h1>@vm.Model.Name</h1>
@@ -177,7 +175,7 @@ else
  await StateManager.InitializeAsync();
 
  var renderMode = renderModeProvider.GetRenderMode(this);
- IsInteractive = renderMode == RenderModes.WasmInteractive || renderMode == RenderModes.ServerInteractive;
+ IsInteractive = renderMode.IsInteractive();
  if (IsInteractive)
  {
  vm.Saved += () => NavigationManager.NavigateTo("projects");

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor.Client/Program.cs

@@ -1,23 +1,22 @@
 using Csla.Configuration;
+using Marimer.Blazor.RenderMode.WebAssembly;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
-using ProjectTracker.Blazor;
 
 var builder = WebAssemblyHostBuilder.CreateDefault(args);
 
 builder.Services.AddAuthorizationCore();
 builder.Services.AddCascadingAuthenticationState();
 
 // Add render mode detection services
-builder.Services.AddTransient<RenderModeProvider>();
-builder.Services.AddScoped<ActiveCircuitState>();
+builder.Services.AddRenderModeDetection();
 
 builder.Services.AddMemoryCache();
 
 builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
 
-builder.Services.AddCsla(o => o
- .AddBlazorWebAssembly(o => o.SyncContextWithServer = true)
- .DataPortal(o => o.AddClientSideDataPortal(o => o
- .UseHttpProxy(o => o.DataPortalUrl = "/api/dataportal"))));
+builder.Services.AddCsla(_ => _
+ .AddBlazorWebAssembly(_ => _.SyncContextWithServer = true)
+ .DataPortal(_ => _.AddClientSideDataPortal(_ => _
+ .UseHttpProxy(_ => _.DataPortalUrl = "/api/dataportal"))));
 
 await builder.Build().RunAsync();

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor.Client/ProjectTracker.Blazor.Client.csproj

@@ -10,6 +10,7 @@
 
  <ItemGroup>
  <ProjectReference Include="..\..\ProjectTracker.BusinessLibrary\ProjectTracker.BusinessLibrary.csproj" />
+ <PackageReference Include="Marimer.Blazor.RenderMode.WebAssembly" />
  <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" />
  <PackageReference Include="Csla.Blazor" />
  <PackageReference Include="Csla.Blazor.WebAssembly" />

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor/Controllers/CslaStateController.cs

@@ -12,7 +12,7 @@ namespace ProjectTracker.Blazor.Controllers
  /// <param name="sessionManager"></param>
  [ApiController]
  [Route("[controller]")]
- public class CslaStateController(ApplicationContext applicationContext, ISessionManager sessionManager) :
-  Csla.AspNetCore.Blazor.State.StateController(applicationContext, sessionManager)
+ public class CslaStateController(ApplicationContext applicationContext, ISessionManager sessionManager) : 
+ Csla.AspNetCore.Blazor.State.StateController(applicationContext, sessionManager)
  { }
 }

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor/Program.cs

@@ -1,7 +1,6 @@
 using Csla.Configuration;
+using Marimer.Blazor.RenderMode;
 using Microsoft.AspNetCore.Authentication.Cookies;
-using Microsoft.AspNetCore.Components.Server.Circuits;
-using ProjectTracker.Blazor;
 using ProjectTracker.Blazor.Components;
 using ProjectTracker.Configuration;
 
@@ -20,9 +19,7 @@
 builder.Services.AddCascadingAuthenticationState();
 
 // Add render mode detection services
-builder.Services.AddTransient<RenderModeProvider>();
-builder.Services.AddScoped<ActiveCircuitState>();
-builder.Services.AddScoped(typeof(CircuitHandler), typeof(ActiveCircuitHandler));
+builder.Services.AddRenderModeDetection();
 
 // CSLA requires AddHttpContextAccessor
 builder.Services.AddHttpContextAccessor();

Samples/ProjectTracker/ProjectTracker.Blazor/ProjectTracker.Blazor/ProjectTracker.Blazor.csproj

@@ -6,19 +6,26 @@
  <ImplicitUsings>enable</ImplicitUsings>
  </PropertyGroup>
 
+ <ItemGroup>
+ <Compile Remove="Identity\**" />
+ <Content Remove="Identity\**" />
+ <EmbeddedResource Remove="Identity\**" />
+ <None Remove="Identity\**" />
+ </ItemGroup>
+
  <ItemGroup>
  <ProjectReference Include="..\..\ProjectTracker.BusinessLibrary\ProjectTracker.BusinessLibrary.csproj" />
  <ProjectReference Include="..\..\ProjectTracker.DalEfCore\ProjectTracker.DalEfCore.csproj" />
  <ProjectReference Include="..\..\ProjectTracker.DalMock\ProjectTracker.DalMock.csproj" />
  <ProjectReference Include="..\..\ProjectTracker.Dal\ProjectTracker.Dal.csproj" />
  <ProjectReference Include="..\ProjectTracker.Blazor.Client\ProjectTracker.Blazor.Client.csproj" />
+ <PackageReference Include="Marimer.Blazor.RenderMode" />
  <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" />
  <PackageReference Include="Csla.AspNetCore" />
  <PackageReference Include="Csla.Blazor" />
  </ItemGroup>
 
  <ItemGroup>
- <Folder Include="Identity\" />
  <Folder Include="wwwroot\images\" />
  </ItemGroup>
 

Source/Csla.AspNetCore/Blazor/ApplicationContextManagerBlazor.cs

@@ -114,10 +114,7 @@ private void AuthenticationStateProvider_AuthenticationStateChanged(Task<Authent
  /// context manager is valid for use in
  /// the current environment.
  /// </summary>
- public bool IsValid
- {
- get { return HttpContext is not null || ActiveCircuitState.CircuitExists; }
- }
+ public bool IsValid => ActiveCircuitState.CircuitExists;
 
  /// <summary>
  /// Gets a value indicating whether the context manager
@@ -137,19 +134,36 @@ public IPrincipal GetUser()
  /// Not supported in Blazor.
  /// </summary>
  /// <param name="principal">Principal object.</param>
- public virtual void SetUser(IPrincipal principal) => throw new NotSupportedException(nameof(SetUser));
+ public virtual void SetUser(IPrincipal principal)
+ {
+ ArgumentNullException.ThrowIfNull(principal);
+ if (HttpContext != null)
+ {
+ if (principal is ClaimsPrincipal claimsPrincipal)
+ HttpContext.User = claimsPrincipal;
+ else
+ throw new NotSupportedException($"{nameof(SetUser)}: {nameof(principal)}.GetType() != {nameof(ClaimsPrincipal)}");
+ }
+ else
+ {
+ throw new NotSupportedException($"{nameof(SetUser)}: {nameof(HttpContext)} == null");
+ }
+ }
+
+ private const string _localContextName = "Csla.LocalContext";
+ private const string _clientContextName = "Csla.ClientContext";
 
  /// <summary>
  /// Gets the local context.
  /// </summary>
  /// <exception cref="InvalidOperationException"><see cref="ApplicationContext"/> is <see langword="null"/>.</exception>
- public IContextDictionary GetLocalContext()
+ public IContextDictionary? GetLocalContext()
  {
  ThrowIfApplicationContextIsNull();
- IContextDictionary localContext;
+ IContextDictionary? localContext;
  var sessionManager = ApplicationContext.GetRequiredService<ISessionManager>();
  var session = sessionManager.GetSession();
- session.TryGetValue("localContext", out var result);
+ session.TryGetValue(_localContextName, out var result);
  if (result is IContextDictionary context)
  {
  localContext = context;
@@ -172,7 +186,7 @@ public void SetLocalContext(IContextDictionary? localContext)
  ThrowIfApplicationContextIsNull();
  var sessionManager = ApplicationContext.GetRequiredService<ISessionManager>();
  var session = sessionManager.GetSession();
- session["localContext"] = localContext;
+ session[_localContextName] = localContext;
  }
 
  /// <summary>
@@ -186,7 +200,7 @@ public IContextDictionary GetClientContext(ApplicationContext.ExecutionLocations
  IContextDictionary clientContext;
  var sessionManager = ApplicationContext.GetRequiredService<ISessionManager>();
  var session = sessionManager.GetSession();
- session.TryGetValue("clientContext", out var result);
+ session.TryGetValue(_clientContextName, out var result);
  if (result is IContextDictionary context)
  {
  clientContext = context;
@@ -202,15 +216,15 @@ public IContextDictionary GetClientContext(ApplicationContext.ExecutionLocations
  /// <summary>
  /// Sets the client context.
  /// </summary>
- /// <param name="clientContext">Client context.</param>
+ /// <param name="clientContext"></param>
  /// <param name="executionLocation"></param>
  /// <exception cref="InvalidOperationException"><see cref="ApplicationContext"/> is <see langword="null"/>.</exception>
  public void SetClientContext(IContextDictionary? clientContext, ApplicationContext.ExecutionLocations executionLocation)
  {
  ThrowIfApplicationContextIsNull();
  var sessionManager = ApplicationContext.GetRequiredService<ISessionManager>();
  var session = sessionManager.GetSession();
- session["clientContext"] = clientContext;
+ session[_clientContextName] = clientContext;
  }
 
  /// <summary>

Source/Csla.AspNetCore/Blazor/State/SessionIdManager.cs

@@ -39,19 +39,20 @@ public string GetSessionId()
  if (httpContext == null)
  throw new InvalidOperationException("HttpContext == null");
 
- if (httpContext.Request.Cookies.ContainsKey(sessionIdName))
+ if (httpContext.Request.Cookies.TryGetValue(sessionIdName, out var requestItem))
  {
- result = httpContext.Request.Cookies[sessionIdName];
+ result = requestItem;
  }
- else if (httpContext.Items.TryGetValue(sessionIdName, out var item))
+ else if (httpContext.Items.TryGetValue(sessionIdName, out var itemsItem))
  {
- result = item as string;
+ result = itemsItem as string;
  }
  else
  {
  result = Guid.NewGuid().ToString();
- httpContext.Response.Cookies.Append(sessionIdName, result);
  httpContext.Items[sessionIdName] = result;
+ if (!httpContext.Response.HasStarted)
+ httpContext.Response.Cookies.Append(sessionIdName, result);
  }
 
  return result ?? throw new InvalidOperationException(Csla.Properties.Resources.SessionIdManagerIdMustBeNotNull);