[ActiveRoutes] Hello World

Add.cs

public static class Add
{
	public static IMvcCoreBuilder AddRuntimeApi<T>(this IMvcCoreBuilder mvcBuilder, IConfiguration config)
	{
		mvcBuilder.Services.Configure<RuntimeOptions>(config, o => { o.BindNonPublicProperties = false; });

		return mvcBuilder.AddActiveRoute<RuntimeController<T>, RuntimeFeature, RuntimeOptions>();
	}

	public static IMvcCoreBuilder AddRuntimeApi<T>(this IMvcCoreBuilder mvcBuilder,
		Action<RuntimeOptions> configureAction = null)
	{
		if (configureAction != null)
			mvcBuilder.Services.Configure(configureAction);

		return mvcBuilder.AddActiveRoute<RuntimeController<T>, RuntimeFeature, RuntimeOptions>();
	}
}

appsettings.json

"RuntimeFeature": {
  "Enabled": true,
  "RootPath": "/runtime",
  "Policy": "AuthenticatedUser",
  "Scheme": "Bearer"
}

RuntimeController.cs

public class RuntimeController<T> : Controller
{  
	[DynamicHttpGet("env/name")]
	public IActionResult GetEnvironmentMachineName()
	{
		return Ok($"{Environment.MachineName}.{typeof(T).Name}");
	}
}

RuntimeFeature.cs

public class RuntimeFeature : DynamicFeature
{
	public RuntimeFeature() => ControllerTypes = new[] {typeof(RuntimeController<>)};

	public override IList<Type> ControllerTypes { get; } = new List<Type>();
}

RuntimeOptions.cs

public class RuntimeOptions :
	IFeatureNamespace,
	IFeatureToggle,
	IFeatureScheme,
	IFeaturePolicy
{
	public bool Enabled { get; set; } = true;
	public string RootPath { get; set; } = "/api";
	public string Policy { get; set; } = Constants.Security.Policies.NoPolicy;
	public string Scheme { get; set; } = Constants.Security.Schemes.NoScheme;
}

Startup.cs

public class Startup
{
	private readonly IConfiguration _configuration;

	public Startup(IConfiguration configuration) => _configuration = configuration;

	public void ConfigureServices(IServiceCollection services)
	{
		// ...
		services.AddActiveRouting(mvcBuilder =>
		{
			mvcBuilder.AddAuthorization(options =>
				options.AddPolicy("AuthenticatedUser", b => { b.RequireAuthenticatedUser(); }));

			mvcBuilder.AddRuntimeApi<Startup>(_configuration.GetSection("RuntimeFeature"));
		});
	}

	public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
	{
		// ...
		
		app.UseActiveRouting();
	}
}