src/Socialbox/Enums/Types/CommunicationRecipientType.php

@@ -1,9 +0,0 @@
-<?php
-
-    namespace Socialbox\Enums\Types;
-
-    enum CommunicationRecipientType : string
-    {
-        case SENDER = 'SENDER';
-        case RECEIVER = 'RECEIVER';
-    }

src/Socialbox/Enums/Types/EncryptionMessageRecipient.php

@@ -0,0 +1,23 @@
+<?php
+
+    namespace Socialbox\Enums\Types;
+
+    enum EncryptionMessageRecipient : string
+    {
+        case SENDER = 'SENDER';
+        case RECEIVER = 'RECEIVER';
+
+        /**
+         * Reverses the role of the recipient
+         *
+         * @return EncryptionMessageRecipient
+         */
+        public function reverse(): EncryptionMessageRecipient
+        {
+            return match($this)
+            {
+                self::SENDER => self::RECEIVER,
+                self::RECEIVER => self::SENDER
+            };
+        }
+    }