Attachment serialization store contents of file

Author: ElGigi

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file. This projec
 to [Semantic Versioning] (http://semver.org/). For change log format,
 use [Keep a Changelog] (http://keepachangelog.com/).
 
+## [1.4.0] - 2025-01-13
+
+### Changed
+
+- Attachment serialization store contents of file
+
 ## [1.3.2] - 2021-07-09
 
 ### Changed

src/Attachment.php

@@ -31,6 +31,8 @@ class Attachment
     private $disposition;
     /** @var string File name */
     private $fileName;
+    /** @var ?string Contents */
+    private $_contents;
 
     /**
      * Attachment constructor.
@@ -47,6 +49,28 @@ public function __construct(string $fileName)
         }
     }
 
+    public function __serialize(): array
+    {
+        return [
+            'id' => $this->id,
+            'type' => $this->getType(),
+            'name' => $this->name,
+            'disposition' => $this->disposition,
+            'fileName' => $this->fileName,
+            'contents' => $this->getContents(),
+        ];
+    }
+
+    public function __unserialize(array $data): void
+    {
+        $this->id = $data['id'];
+        $this->type = $data['type'];
+        $this->name = $data['name'];
+        $this->disposition = $data['disposition'];
+        $this->fileName = $data['fileName'];
+        $this->_contents = $data['contents'];
+    }
+
     /**
      * Get content ID.
      *
@@ -175,6 +199,10 @@ public function setDisposition(string $disposition): Attachment
      */
     public function getContents()
     {
+        if (null !== $this->_contents) {
+            return $this->_contents;
+        }
+
         return file_get_contents($this->fileName);
     }
 }