Inject framework HttpClient to support prerendering behavior on server instead of baking in the HttpClient on the client project

DeepDrftModels/Entities/TrackEntity.cs

@@ -3,9 +3,9 @@
 public class TrackEntity
 {
     public long Id { get; set; }
-    public string MediaPath { get; set; }
-    public string TrackName { get; set; }
-    public string Artist { get; set; }
+    public required string MediaPath { get; set; }
+    public required string TrackName { get; set; }
+    public required string Artist { get; set; }
     public string? Album { get; set; }
     public string? Genre { get; set; }
     public DateOnly? ReleaseDate { get; set; }

DeepDrftWeb.Client/Clients/TrackClient.cs

@@ -3,12 +3,18 @@ using DeepDrftModels.Models;
 using NetBlocks.Models;
 using System.Text.Json;
 using System.Web;
+using Microsoft.AspNetCore.Http;
 
 namespace DeepDrftWeb.Client.Clients;
 
-public class TrackClient : ApiClient<ClientConfig>
+public class TrackClient
 {
-    public TrackClient(ClientConfig config) : base(config) { }
+    private readonly HttpClient _http;
+
+    public TrackClient(HttpClient http)
+    {
+        _http = http;
+    }
 
     public async Task<ApiResult<PagedResult<TrackEntity>>> GetPage(
         int pageNumber, 
@@ -16,24 +22,20 @@ public class TrackClient : ApiClient<ClientConfig>
         string? sortColumn = null, 
         bool sortDescending = false)
     {
-        var uriBuilder = new UriBuilder(http.BaseAddress!)
-        {
-            Path = "api/track/page"
+        var queryArgs = new Dictionary<string, string?>(){
+            ["pageNumber"] = pageNumber.ToString(),
+            ["pageSize"] = pageSize.ToString()
         };
-
-        var query = HttpUtility.ParseQueryString(string.Empty);
-        query["pageNumber"] = pageNumber.ToString();
-        query["pageSize"] = pageSize.ToString();
         
         if (!string.IsNullOrEmpty(sortColumn))
-            query["sortColumn"] = sortColumn;
+            queryArgs["sortColumn"] = sortColumn;
         
         if (sortDescending)
-            query["sortDescending"] = "true";
+            queryArgs["sortDescending"] = "true";
 
-        uriBuilder.Query = query.ToString();
-
-        var response = await http.GetAsync(uriBuilder.Uri);
+        string query = QueryString.Create(queryArgs).ToString();
+        
+        var response = await _http.GetAsync($"api/track/page{query}");
         var json = await response.Content.ReadAsStringAsync();
         
         var dto = JsonSerializer.Deserialize<ApiResultDto<PagedResult<TrackEntity>>>(json, new JsonSerializerOptions

DeepDrftWeb.Client/DeepDrftWeb.Client.csproj

@@ -10,6 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.*" />
+    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.3.0" />
     <PackageReference Include="MudBlazor" Version="8.*" />
   </ItemGroup>
 

DeepDrftWeb.Client/Program.cs

@@ -4,8 +4,11 @@ using MudBlazor.Services;
 
 var builder = WebAssemblyHostBuilder.CreateDefault(args);
 
+Console.WriteLine(builder.HostEnvironment.BaseAddress);
+builder.Services.AddScoped<HttpClient>(_ => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
+
 builder.Services.AddMudServices();
 
-Startup.ConfigureDomainServices(builder.Services, builder.HostEnvironment.BaseAddress);
+Startup.ConfigureDomainServices(builder.Services);
 
 await builder.Build().RunAsync();

DeepDrftWeb.Client/Startup.cs

@@ -7,13 +7,9 @@ namespace DeepDrftWeb.Client;
 
 public static class Startup
 {
-    public static void ConfigureDomainServices(IServiceCollection services, string baseAddress)
+    public static void ConfigureDomainServices(IServiceCollection services)
     {
-        // HTTP Client for Server API
-        services.AddScoped(_ => new HttpClient { BaseAddress = new Uri(baseAddress) });
-        
         // Track Client
-        services.AddSingleton(new ClientConfig(baseAddress));
         services.AddScoped<TrackClient>();
         services.AddScoped<TrackGalleryViewModel>();
     }

DeepDrftWeb/DeepDrftWeb.csproj

@@ -24,9 +24,4 @@
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="9.*" />
   </ItemGroup>
 
-
-  <ItemGroup>
-    <Folder Include="Components\Pages\Auth\" />
-  </ItemGroup>
-
 </Project>

DeepDrftWeb/Program.cs

@@ -1,18 +1,20 @@
 using DeepDrftWeb;
 using MudBlazor.Services;
 using DeepDrftWeb.Components;
-using DeepDrftWeb.Data;
-using Microsoft.EntityFrameworkCore;
 
 var builder = WebApplication.CreateBuilder(args);
 
 // Add MudBlazor services
 builder.Services.AddMudServices();
 
+// Add HttpClient services for prerendering
+builder.Services.AddHttpClient("DeepDrft.API", client => client.BaseAddress = new Uri(Startup.GetKestrelUrl(builder)));
+builder.Services.AddScoped(sp => 
+    sp.GetRequiredService<IHttpClientFactory>().CreateClient("DeepDrft.API"));
+
 Startup.ConfigureDomainServices(builder);
 
-var hostUrl = builder.Configuration.GetValue<string>("ASPNETCORE_URLS")?.Split(';').First() ?? throw new Exception("ASPNETCORE_URLS undefined");
-DeepDrftWeb.Client.Startup.ConfigureDomainServices(builder.Services, hostUrl);
+DeepDrftWeb.Client.Startup.ConfigureDomainServices(builder.Services);
 
 builder.Services.AddControllers();
 

DeepDrftWeb/Startup.cs

@@ -16,6 +16,32 @@ public static class Startup
         // Add Track services
         builder.Services.AddScoped<TrackRepository>();
         builder.Services.AddScoped<TrackService>();
+    }
+    
+    public static string GetKestrelUrl(this WebApplicationBuilder builder)
+    {
+        // Check all the places Kestrel URL can be configured
+        var urls = builder.Configuration["ASPNETCORE_URLS"] 
+                   ?? builder.Configuration["urls"];
+                  
+        if (!string.IsNullOrEmpty(urls))
+        {
+            return urls.Split(';')[0].Trim();
+        }
 
+        // Check Kestrel endpoints configuration
+        var kestrelSection = builder.Configuration.GetSection("Kestrel:Endpoints");
+        var firstEndpoint = kestrelSection.GetChildren().FirstOrDefault();
+        var endpointUrl = firstEndpoint?["Url"];
+        
+        if (!string.IsNullOrEmpty(endpointUrl))
+        {
+            return endpointUrl;
+        }
+
+        // ASP.NET Core defaults
+        return builder.Environment.IsDevelopment() 
+            ? "https://localhost:5001" 
+            : "http://localhost:5000";
     }
 }

DeepDrftWeb/appsettings.Development.json

@@ -4,5 +4,6 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
-  }
+  },
+  "DetailedErrors": true
 }