From 9e9281b20d1170ee91764c1bb0aa45169a642367 Mon Sep 17 00:00:00 2001
From: Stephen Halter <halter73@gmail.com>
Date: Wed, 12 Oct 2022 12:36:22 -0700
Subject: Demo DynamicEndpointDataSource

---
 .../samples/MinimalSample/DynamicEndpointDataSource.cs    |  2 +-
 src/Http/samples/MinimalSample/Program.cs                 | 15 +++++++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/Http/samples/MinimalSample/DynamicEndpointDataSource.cs b/src/Http/samples/MinimalSample/DynamicEndpointDataSource.cs
index 678edd43e0..133cf771f9 100644
--- a/src/Http/samples/MinimalSample/DynamicEndpointDataSource.cs
+++ b/src/Http/samples/MinimalSample/DynamicEndpointDataSource.cs
@@ -16,7 +16,7 @@ public sealed class DynamicEndpointDataSource : EndpointDataSource, IDisposable
 
     public DynamicEndpointDataSource()
     {
-        _timer = new PeriodicTimer(TimeSpan.FromSeconds(5));
+        _timer = new PeriodicTimer(TimeSpan.FromSeconds(1));
         _timerTask = TimerLoop();
     }
 
diff --git a/src/Http/samples/MinimalSample/Program.cs b/src/Http/samples/MinimalSample/Program.cs
index 5155875e45..9817b44c1e 100644
--- a/src/Http/samples/MinimalSample/Program.cs
+++ b/src/Http/samples/MinimalSample/Program.cs
@@ -6,6 +6,7 @@ using System.Text;
 using Microsoft.AspNetCore.Routing.Patterns;
 using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Primitives;
+using MinimalSample;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -13,8 +14,11 @@ builder.Services.AddControllers();
 
 var app = builder.Build();
 
-app.MapGet("/", (EndpointDataSource dataSource)
-    => EndpointDataSource.GetDebuggerDisplayStringForEndpoints(dataSource.Endpoints));
+app.MapGet("/", (EndpointDataSource dataSource, HttpResponse response) =>
+{
+    response.Headers["Refresh"] = "1";
+    return EndpointDataSource.GetDebuggerDisplayStringForEndpoints(dataSource.Endpoints);
+});
 
 var preview = app.MapGroup("/preview");
 AddEndpoints(app);
@@ -61,6 +65,8 @@ static void AddEndpoints(IEndpointRouteBuilder app)
     app.MapGet("/hello/{name}", (string name) => $"Hello {name}!")
         .AddEndpointFilterFactory((context, next) =>
         {
+            Console.WriteLine("Running filter factory!");
+
             var parameters = context.MethodInfo.GetParameters();
             // Only operate handlers with a single argument
             if (parameters.Length == 1 &&
@@ -91,7 +97,8 @@ static void AddEndpoints(IEndpointRouteBuilder app)
             return next(invocationContext);
         });
 
-    app.DataSources.Add(new CustomEndpointDataSource());
+    app.DataSources.Add(new DefaultEndpointDataSource(CustomEndpointDataSource.CreateEndpoint(0), CustomEndpointDataSource.CreateEndpoint(1)));
+    app.DataSources.Add(new DynamicEndpointDataSource());
 }
 
 class CustomEndpointDataSource : EndpointDataSource
@@ -104,7 +111,7 @@ class CustomEndpointDataSource : EndpointDataSource
 
     public override IChangeToken GetChangeToken() => NullChangeToken.Singleton;
 
-    static Endpoint CreateEndpoint(int id)
+    public static Endpoint CreateEndpoint(int id)
     {
         var displayName = $"Custom endpoint #{id}";
         var metadata = new EndpointMetadataCollection(new[] { new RouteNameMetadata(displayName) });
-- 
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