From e194cd8054dd86ce4af520ebd5b7d7101bb2f15a Mon Sep 17 00:00:00 2001
From: Developer 02 <developer02@didaloghe.onmicrosoft.com>
Date: Wed, 12 Mar 2025 09:32:10 +0100
Subject: [PATCH] =?UTF-8?q?feat:=20Implementierung=20der=20Wiederholungslo?=
 =?UTF-8?q?gik=20f=C3=BCr=20den=20Verbindungsaufbau=20in=20`AuthClient`?=
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- Hinzugefügt: `TryStartConnectionAsync`-Methode zur Durchführung von Verbindungsversuchen mit Wiederholungslogik.
- `StartAsync` aktualisiert, um wiederholt zu versuchen, die Verbindung herzustellen, bis sie erfolgreich ist oder `RetryDelay` erschöpft ist.
---
 DigitalData.Auth.Client/AuthClient.cs | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/DigitalData.Auth.Client/AuthClient.cs b/DigitalData.Auth.Client/AuthClient.cs
index 2e69171..4601509 100644
--- a/DigitalData.Auth.Client/AuthClient.cs
+++ b/DigitalData.Auth.Client/AuthClient.cs
@@ -39,11 +39,32 @@ public class AuthClient : IAuthClient, IHostedService
 
     public async Task StartAsync(CancellationToken cancellationToken = default)
     {
-        await _connection.StartAsync(cancellationToken);
+        while(!await TryStartConnectionAsync(cancellationToken))
+        {
+            if (_params.RetryDelay is not null)
+                await Task.Delay(_params.RetryDelay.Value.Milliseconds, cancellationToken);
+            else
+                return;
+        }
+        
         IsConnected = true;
         await GetAllPublicKeysAsync();
     }
 
+    private async Task<bool> TryStartConnectionAsync(CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            await _connection.StartAsync(cancellationToken);
+            return true;
+        }
+        catch(HttpRequestException ex)
+        {
+            _logger?.LogError(ex, "Connection is failed. {message}", ex.Message);
+            return false;
+        }
+    }
+
     public async Task StopAsync(CancellationToken cancellationToken)
     {
         await _connection.StopAsync(cancellationToken);