Methoden hinzugefügt, um UUID und Signatur aus envelopeReceiverId zu extrahieren

EnvelopeGenerator.Application/Services/EnvelopeGeneratorExtensions.cs

@@ -1,7 +1,15 @@
 namespace EnvelopeGenerator.Application.Services
 {
+    /// <summary>
+    /// Provides extension methods for decoding and extracting information from an envelope receiver ID.
+    /// </summary>
     public static class EnvelopeGeneratorExtensions
     {
+        /// <summary>
+        /// Decodes the envelope receiver ID and extracts the envelope UUID and receiver signature.
+        /// </summary>
+        /// <param name="envelopeReceiverId">The base64 encoded string containing the envelope UUID and receiver signature.</param>
+        /// <returns>A tuple containing the envelope UUID and receiver signature.</returns>
         public static (string EnvelopeUuid, string ReceiverSignature) DecodeEnvelopeReceiverId(this string envelopeReceiverId)
         {
             byte[] bytes = Convert.FromBase64String(envelopeReceiverId);
@@ -13,5 +21,19 @@
             else
                 return (string.Empty, string.Empty);
         }
+
+        /// <summary>
+        /// Gets the envelope UUID from the decoded envelope receiver ID.
+        /// </summary>
+        /// <param name="envelopeReceiverId">The base64 encoded string to decode.</param>
+        /// <returns>The envelope UUID.</returns>
+        public static string GetEnvelopeUuid(this string envelopeReceiverId) => envelopeReceiverId.DecodeEnvelopeReceiverId().EnvelopeUuid;
+
+        /// <summary>
+        /// Gets the receiver signature from the decoded envelope receiver ID.
+        /// </summary>
+        /// <param name="envelopeReceiverId">The base64 encoded string to decode.</param>
+        /// <returns>The receiver signature.</returns>
+        public static string GetReceiverSignature(this string envelopeReceiverId) => envelopeReceiverId.DecodeEnvelopeReceiverId().ReceiverSignature;
     }
 }