feat(FinalizeDocument): aus CommonJobs kopiert, mit einfachen Fehlerbehebungen unter Verwendung von Copilot

- Programmiersprache von VSC zu C# geändert
 - Framework von .NET Framework zu .NET geändert

EnvelopeGenerator.ServiceHost/Jobs/Infrastructure/Base.cs

@@ -0,0 +1,63 @@
+using System.Data;
+using DigitalData.Modules.Logging;
+
+namespace DigitalData.Modules.Base;
+
+public abstract class BaseClass
+{
+    protected BaseClass(LogConfig logConfig)
+    {
+        LogConfig = logConfig;
+        Logger = logConfig.GetLogger();
+    }
+
+    protected LogConfig LogConfig { get; }
+    protected Logger Logger { get; }
+}
+
+public static class ObjectEx
+{
+    public static T ToEnum<T>(object value) where T : struct, Enum
+    {
+        if (value is T enumValue)
+        {
+            return enumValue;
+        }
+
+        if (value is string stringValue && Enum.TryParse<T>(stringValue, true, out var parsed))
+        {
+            return parsed;
+        }
+
+        if (int.TryParse(Convert.ToString(value), out var intValue))
+        {
+            return (T)Enum.ToObject(typeof(T), intValue);
+        }
+
+        return default;
+    }
+}
+
+public static class DataRowExtensions
+{
+    public static T ItemEx<T>(this DataRow row, string columnName, T defaultValue)
+    {
+        if (!row.Table.Columns.Contains(columnName))
+        {
+            return defaultValue;
+        }
+
+        var value = row[columnName];
+        if (value is DBNull or null)
+        {
+            return defaultValue;
+        }
+
+        return (T)Convert.ChangeType(value, typeof(T));
+    }
+
+    public static string ItemEx(this DataRow row, string columnName, string defaultValue)
+    {
+        return ItemEx<string>(row, columnName, defaultValue);
+    }
+}