use GetRequiredSection and Service to inject options (dotnet-architecture#640)

Author: michelcedric

src/BlazorAdmin/Program.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Net.Http;
 using System.Threading.Tasks;
 using BlazorAdmin.Services;
@@ -20,9 +20,8 @@ public static async Task Main(string[] args)
         var builder = WebAssemblyHostBuilder.CreateDefault(args);
         builder.RootComponents.Add<App>("#admin");
 
-        var baseUrlConfig = new BaseUrlConfiguration();
-        builder.Configuration.Bind(BaseUrlConfiguration.CONFIG_NAME, baseUrlConfig);
-        builder.Services.AddScoped<BaseUrlConfiguration>(sp => baseUrlConfig);
+        var configSection = builder.Configuration.GetRequiredSection(BaseUrlConfiguration.CONFIG_NAME);
+        builder.Services.Configure<BaseUrlConfiguration>(configSection);
 
         builder.Services.AddScoped(sp => new HttpClient() { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
 
@@ -37,7 +36,7 @@ public static async Task Main(string[] args)
 
         builder.Services.AddBlazorServices();
 
-        builder.Logging.AddConfiguration(builder.Configuration.GetSection("Logging"));
+        builder.Logging.AddConfiguration(builder.Configuration.GetRequiredSection("Logging"));
 
         await ClearLocalStorageCache(builder.Services);
 

src/BlazorAdmin/Services/CatalogLookupDataService.cs

@@ -9,6 +9,7 @@
 using BlazorShared.Interfaces;
 using BlazorShared.Models;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 
 namespace BlazorAdmin.Services;
 
@@ -23,12 +24,12 @@ public class CatalogLookupDataService<TLookupData, TReponse>
     private readonly string _apiUrl;
 
     public CatalogLookupDataService(HttpClient httpClient,
-        BaseUrlConfiguration baseUrlConfiguration,
+        IOptions<BaseUrlConfiguration> baseUrlConfiguration,
         ILogger<CatalogLookupDataService<TLookupData, TReponse>> logger)
     {
         _httpClient = httpClient;
         _logger = logger;
-        _apiUrl = baseUrlConfiguration.ApiBase;
+        _apiUrl = baseUrlConfiguration.Value.ApiBase;
     }
 
     public async Task<List<TLookupData>> List()

src/BlazorAdmin/Services/HttpService.cs

@@ -4,6 +4,7 @@
 using System.Threading.Tasks;
 using BlazorShared;
 using BlazorShared.Models;
+using Microsoft.Extensions.Options;
 
 namespace BlazorAdmin.Services;
 
@@ -14,11 +15,11 @@ public class HttpService
     private readonly string _apiUrl;
 
 
-    public HttpService(HttpClient httpClient, BaseUrlConfiguration baseUrlConfiguration, ToastService toastService)
+    public HttpService(HttpClient httpClient, IOptions<BaseUrlConfiguration> baseUrlConfiguration, ToastService toastService)
     {
         _httpClient = httpClient;
         _toastService = toastService;
-        _apiUrl = baseUrlConfiguration.ApiBase;
+        _apiUrl = baseUrlConfiguration.Value.ApiBase;
     }
 
     public async Task<T> HttpGet<T>(string uri)

src/PublicApi/Startup.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Text;
 using AutoMapper;
 using BlazorShared;
@@ -96,8 +96,9 @@ public void ConfigureServices(IServiceCollection services)
         services.AddScoped(typeof(IAppLogger<>), typeof(LoggerAdapter<>));
         services.AddScoped<ITokenClaimsService, IdentityTokenClaimService>();
 
-        var baseUrlConfig = new BaseUrlConfiguration();
-        Configuration.Bind(BaseUrlConfiguration.CONFIG_NAME, baseUrlConfig);
+        var configSection = Configuration.GetRequiredSection(BaseUrlConfiguration.CONFIG_NAME);
+        services.Configure<BaseUrlConfiguration>(configSection);
+        var baseUrlConfig = configSection.Get<BaseUrlConfiguration>();
 
         services.AddMemoryCache();
 

src/Web/HealthChecks/ApiHealthCheck.cs

@@ -3,16 +3,17 @@
 using System.Threading.Tasks;
 using BlazorShared;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
+using Microsoft.Extensions.Options;
 
 namespace Microsoft.eShopWeb.Web.HealthChecks;
 
 public class ApiHealthCheck : IHealthCheck
 {
     private readonly BaseUrlConfiguration _baseUrlConfiguration;
 
-    public ApiHealthCheck(BaseUrlConfiguration baseUrlConfiguration)
+    public ApiHealthCheck(IOptions<BaseUrlConfiguration> baseUrlConfiguration)
     {
-        _baseUrlConfiguration = baseUrlConfiguration;
+        _baseUrlConfiguration = baseUrlConfiguration.Value;
     }
 
     public async Task<HealthCheckResult> CheckHealthAsync(

src/Web/Startup.cs

@@ -148,10 +148,10 @@ public void ConfigureServices(IServiceCollection services)
             config.Path = "/allservices";
         });
 
+        var configSection = Configuration.GetRequiredSection(BaseUrlConfiguration.CONFIG_NAME);
+        services.Configure<BaseUrlConfiguration>(configSection);
+        var baseUrlConfig = configSection.Get<BaseUrlConfiguration>();
 
-        var baseUrlConfig = new BaseUrlConfiguration();
-        Configuration.Bind(BaseUrlConfiguration.CONFIG_NAME, baseUrlConfig);
-        services.AddScoped<BaseUrlConfiguration>(sp => baseUrlConfig);
         // Blazor Admin Required Services for Prerendering
         services.AddScoped<HttpClient>(s => new HttpClient
         {