Kasun Kodagoda kasunkv

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I may be slow to respond.

Azure & DevOps Enthusiast | Blogger | Open Source Contributor | Aspiring Speaker | Associate Technical Architect at @99x

kasunkv / HomeController.cs

Created January 16, 2020 15:05

Blocking access to Controller Action methods using FeatureGate action filter.

	using Microsoft.FeatureManagement.Mvc;

	namespace MusicStore.Web.Controllers
	{
	public class HomeController : Controller
	{
	...

	[FeatureGate(Features.Promotions)]
	public async Task<IActionResult> Promotions()

kasunkv / Features.cs

Created January 16, 2020 15:15

String constants with feature names

	namespace MusicStore.Shared.FeatureManagement
	{
	public static class Features
	{
	public const string Promotions = "Promotion";
	public const string PromotionDiscounts = "Promotion.Discounts";
	public const string UserSuggestions = "Suggestion.User";
	}
	}

kasunkv / _ViewImports.cshtml

Created January 16, 2020 15:19

Adding tag helper to the _ViewImports.cshtml

@addTagHelper *, Microsoft.FeatureManagement.AspNetCore

kasunkv / Index.cshtml

Created January 16, 2020 15:59

Using feature tag helper to wrap UI elements to hide behind feature flags

	@model HomeViewModel
	@{
	ViewData["Title"] = "Home Page";
	}

	<div class="text-center">
	<feature name="@Features.PromotionDiscounts" negate="true"><h1 class="display-4">Enjoy the latest music from your favorite artist</h1></feature>
	<feature name="@Features.PromotionDiscounts"><h1 class="display-4">Enjoy 25% off for selected albums from your favorite artist</h1></feature>

	...

kasunkv / HomeController.cs

Created January 16, 2020 16:06

Using IFeatureManager to access feature flags

	using Microsoft.FeatureManagement.Mvc;

	namespace MusicStore.Web.Controllers
	{
	public class HomeController : Controller
	{
	private readonly ILogger<HomeController> _logger;
	private readonly IAlbumService _albumService;
	private readonly IFeatureManager _featureManager;

kasunkv / RequirementType.cs

Created January 18, 2020 16:16

RequirementType enum

	namespace Microsoft.FeatureManagement
	{
	public enum RequirementType
	{
	Any = 0, // The enabled state will be attained if any feature in the set is enabled.
	All = 1 // The enabled state will be attained if all features in the set are enabled.
	}
	}

kasunkv / HomeController.cs

Created January 18, 2020 18:24

FeatureGate attribute with RequirementType

	using Microsoft.FeatureManagement.Mvc;

	namespace MusicStore.Web.Controllers
	{
	public class HomeController : Controller
	{
	...

	[FeatureGate(RequirementType.All, Features.Promotions, Features.PromotionDiscounts)]
	public async Task<IActionResult> Promotions()

kasunkv / _Layout.cshtml

Created January 18, 2020 18:58

Using the tag helper to check for multiple feature flags

	<div class="container">

	...

	<div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse">
	<ul class="navbar-nav flex-grow-1">
	...

	<feature name="@Features.Promotions, @Features.PromotionDiscounts" requirement="All">
	<li class="nav-item">

kasunkv / appsettings.json

Created January 19, 2020 05:16

Enable AlwaysOn feature filter.

kasunkv / appsettings.json

Created January 19, 2020 05:56

Enabling Microsoft.Percentage feature filter