feat(Auth.Client): Erstellt, um Client (Consumer) Ereignisse von SignalR zu behandeln.

- Erstellt ClientParams um AuthClient zu konfigurieren.
 - Erstellt ClientEvents, um Ereignisse im Client zu konfigurieren.

DigitalData.Auth.Abstractions/IAuthClient.cs

@@ -3,6 +3,4 @@
 public interface IAuthClient
 {
     Task ReceiveMessage(string user, string message);
-
-    Task<string> GetMessage();
 }

DigitalData.Auth.Client/AuthClient.cs

@@ -0,0 +1,32 @@
+using DigitalData.Auth.Abstractions;
+using Microsoft.AspNetCore.SignalR.Client;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace DigitalData.Auth.Client;
+
+public class AuthClient : IAuthClient
+{
+    private readonly HubConnection _connection;
+
+    private readonly ILogger? _logger;
+
+    private readonly ClientParams _params;
+
+    public AuthClient(IOptions<ClientParams> paramsOptions, HubConnectionBuilder connectionBuilder, ILogger<AuthClient>? logger = null)
+    {
+        _connection = connectionBuilder
+            .WithUrl(paramsOptions.Value.Url)
+            .Build();
+
+        _connection.On<string, string>(nameof(ReceiveMessage), ReceiveMessage);
+
+        _logger = logger;
+
+        _params = paramsOptions.Value;
+    }
+
+    public async Task StartAsync() => await _connection.StartAsync();
+
+    public Task ReceiveMessage(string user, string message) => _params.Events.OnMessageReceived(user, message, _logger);
+}

DigitalData.Auth.Client/ClientEvents.cs

@@ -0,0 +1,12 @@
+using Microsoft.Extensions.Logging;
+
+namespace DigitalData.Auth.Client
+{
+    public class ClientEvents
+    {
+        public Func<string, string, ILogger?, Task> OnMessageReceived { get; set; } = (user, message, logger) 
+            => Task.Run(
+                () => logger?.LogInformation("{user}: {message}", user, message)
+                );
+    }
+}

DigitalData.Auth.Client/ClientParams.cs

@@ -0,0 +1,8 @@
+namespace DigitalData.Auth.Client;
+
+public class ClientParams
+{
+    public required string Url { get; init; }
+
+    public readonly ClientEvents Events = new();
+}

DigitalData.Auth.Client/DigitalData.Auth.Client.csproj

@@ -9,4 +9,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.1" />
   </ItemGroup>
+	
+  <ItemGroup>
+    <ProjectReference Include="..\DigitalData.Auth.Abstractions\DigitalData.Auth.Abstractions.csproj" />
+  </ItemGroup>
 </Project>