Implement Refit Client

POC.CodelessAPIClient.WebApp/AuthorizedHandler.cs

@@ -0,0 +1,22 @@
+namespace POC.CodelessAPIClient.WebApp;
+
+public class AuthorizedHandler : DelegatingHandler
+{
+    private readonly string _apiBearerToken;
+
+    public AuthorizedHandler(string apiBearerToken)
+    {
+        //_apiBearerToken = "asdasdasd";
+        _apiBearerToken = apiBearerToken;
+    }
+
+    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+    {
+        if (!string.IsNullOrWhiteSpace(_apiBearerToken))
+        {
+            request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", _apiBearerToken);
+        }
+
+        return await base.SendAsync(request, cancellationToken);
+    }
+}

POC.CodelessAPIClient.WebApp/Components/Pages/Home.razor.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Components;
 using POC.CodelessAPIClient.WebApp.HttpClients;
+using Refit;
 
 namespace POC.CodelessAPIClient.WebApp.Components.Pages;
 
@@ -20,6 +21,13 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
 
     private async Task GetAuthorized()
     {
-        _authString = await AuthClient.GetAuthorization();
+        try
+        {
+            _authString = await AuthClient.GetAuthorization();
+        }
+        catch (ApiException ex)
+        {
+            _authString = ex.ReasonPhrase;
+        }
     }
 }

POC.CodelessAPIClient.WebApp/Components/Pages/ShoppingListPage.razor.cs

@@ -73,7 +73,7 @@ private async Task DeleteItem(ShoppingListItem item)
         {
             _isLoading = true;
             StateHasChanged();
-            await Client.RemoveItem(item);
+            await Client.RemoveItem(item.Id!.Value);
 
             await RefreshList();
 

POC.CodelessAPIClient.WebApp/Configs.cs

@@ -0,0 +1,7 @@
+namespace POC.CodelessAPIClient.WebApp;
+
+public class Configs
+{
+    public string ApiUrl { get; set; }
+    public string ApiBearerToken { get; set; }
+}

POC.CodelessAPIClient.WebApp/HttpClients/IAuthorizedClient.cs

@@ -1,8 +1,10 @@
 using POC.CodelessAPIClient.Models;
+using Refit;
 
 namespace POC.CodelessAPIClient.WebApp.HttpClients;
 
 public interface IAuthorizedClient
 {
+    [Get("/SecureStatus")]
     Task<string> GetAuthorization();
 }

POC.CodelessAPIClient.WebApp/HttpClients/IClient.cs

@@ -1,11 +1,19 @@
 using POC.CodelessAPIClient.Models;
+using Refit;
 
 namespace POC.CodelessAPIClient.WebApp.HttpClients;
 
 public interface IClient
 {
+    [Get("/ShoppingList")]
     Task<ShoppingList> Get();
+
+    [Post("/ShoppingList")]
     Task<ShoppingList> AddItem(ShoppingListItem item);
+
+    [Put("/ShoppingList")]
     Task<ShoppingList> UpdateItem(ShoppingListItem item);
-    Task<ShoppingList> RemoveItem(ShoppingListItem item);
+
+    [Delete("/ShoppingList/{id}")]
+    Task<ShoppingList> RemoveItem([AliasAs("id")]Guid id);
 }

POC.CodelessAPIClient.WebApp/POC.CodelessAPIClient.WebApp.csproj

@@ -10,4 +10,9 @@
       <ProjectReference Include="..\POC.CodelessAPIClient.Models\POC.CodelessAPIClient.Models.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <PackageReference Include="Refit" Version="8.0.0" />
+      <PackageReference Include="Refit.HttpClientFactory" Version="8.0.0" />
+    </ItemGroup>
+
 </Project>

POC.CodelessAPIClient.WebApp/Program.cs

@@ -1,5 +1,6 @@
 using POC.CodelessAPIClient.WebApp.Components;
 using POC.CodelessAPIClient.WebApp.HttpClients;
+using Refit;
 
 namespace POC.CodelessAPIClient.WebApp;
 
@@ -13,8 +14,14 @@ public static void Main(string[] args)
         builder.Services.AddRazorComponents()
             .AddInteractiveServerComponents();
 
-        builder.Services.AddSingleton<IClient, FakeClient>();
-        builder.Services.AddSingleton<IAuthorizedClient, AuthFakeClient>();
+        var configs = builder.Configuration.GetSection("Configurations").Get<Configs>();
+
+        builder.Services.AddRefitClient<IClient>()
+            .ConfigureHttpClient(c => c.BaseAddress = new Uri(configs!.ApiUrl));
+
+        builder.Services.AddRefitClient<IAuthorizedClient>()
+            .ConfigureHttpClient(c => c.BaseAddress = new Uri(configs!.ApiUrl))
+            .AddHttpMessageHandler(() => new AuthorizedHandler(configs.ApiBearerToken));
 
         var app = builder.Build();
 

POC.CodelessAPIClient.WebApp/appsettings.json

@@ -5,5 +5,9 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "Configurations": {
+    "ApiUrl": "http://localhost:5052",
+    "ApiBearerToken": "your-secret-token"
+  }
 }