Fügen Sie die InnerServiceError-Erweiterung für die Behandlung von 500-Fehlern hinzu

Führt die Methode InnerServiceError ein, um die Fehlerbehandlung in ControllerBase mit optionalen detaillierten Nachrichten oder Ausnahmen zu verbessern. Enthält Dokumentationskommentare.

DigitalData.Core.API/ControllerExtensions.cs

@@ -1,4 +1,5 @@
 using Microsoft.AspNetCore.Mvc;
+using System.Text;
 
 namespace DigitalData.Core.API
 {
@@ -22,5 +23,26 @@ namespace DigitalData.Core.API
             viewResult.ViewData[index] = value;
             return viewResult;
         }
+
+        /// <summary>
+        /// Returns an ObjectResult representing an internal server error (status code 500) with optional exception and message details.
+        /// </summary>
+        /// <param name="controllerBase">The ControllerBase instance representing the controller.</param>
+        /// <param name="ex">Optional. The exception that occurred, if any.</param>
+        /// <param name="message">Optional. A custom error message to include in the response.</param>
+        /// /// <param name="messageKey">Optional. A custom error message key to include in the response.</param>
+        /// <returns>An ObjectResult representing an internal server error (status code 500).</returns>
+        public static ObjectResult InnerServiceError(this ControllerBase controllerBase, Exception? ex = null, string? message = null, Enum? messageKey = null)
+        {
+            var sb = new StringBuilder();
+            if (ex is not null)
+                sb.AppendLine(ex.Message);
+            if (message is not null)
+                sb.AppendLine(message);
+            if (messageKey is not null)
+                sb.AppendLine(messageKey.ToString());
+
+            return controllerBase.StatusCode(500, sb.Length > 0 ? sb.ToString() : null);
+        }
     }
 }