WebApi + ClientApp, GraphQL, Reflection

Events-WebApi/Events.WebAPI/Util/Extensions/ExceptionExtensions.cs

@@ -0,0 +1,28 @@
+using System.Text;
+
+namespace Events.WebAPI.Util.Extensions
+{
+  /// <summary>
+  /// Class with useful extensions for exceptions handling
+  /// </summary>
+  public static class ExceptionExtensions
+  {
+    /// <summary>
+    /// return complete hierarchy of an exception. It checks whether the exception has inner exception,
+    /// and if it has, then it appends inner exception message.
+    /// Then it looks for inner exception of the inner exceptions, and so on.
+    /// </summary>
+    /// <param name="exc">Exception which message hiearchy should be obtained</param>
+    /// <returns>String containing all exception hierarchy messages</returns>
+    public static string CompleteExceptionMessage(this Exception? exc)
+    {
+      StringBuilder sb = new();
+      while (exc != null)
+      {
+        sb.AppendLine(exc.Message);
+        exc = exc.InnerException;
+      }
+      return sb.ToString();
+    }
+  }
+}