From 90da5c09aa0691a9a8dff307a0fdde5de4a91bdb Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Thu, 10 Sep 2020 20:18:47 +0200
Subject: [PATCH] implement immutable datetime

---
 Models/Media.php       | 6 +++---
 Models/MediaMapper.php | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Models/Media.php b/Models/Media.php
index 237eac0..21fa91e 100755
--- a/Models/Media.php
+++ b/Models/Media.php
@@ -73,7 +73,7 @@ class Media implements \JsonSerializable
      * @var \DateTime
      * @since 1.0.0
      */
-    protected \DateTime $createdAt;
+    protected \DateTimeImmutable $createdAt;
 
     /**
      * Resource path.
@@ -155,7 +155,7 @@ class Media implements \JsonSerializable
     public function __construct()
     {
         $this->createdBy = new NullAccount();
-        $this->createdAt = new \DateTime();
+        $this->createdAt = new \DateTimeImmutable();
     }
 
     /**
@@ -315,7 +315,7 @@ class Media implements \JsonSerializable
      *
      * @since 1.0.0
      */
-    public function getCreatedAt() : \DateTime
+    public function getCreatedAt() : \DateTimeInterface
     {
         return $this->createdAt;
     }
diff --git a/Models/MediaMapper.php b/Models/MediaMapper.php
index be31006..6c372e6 100755
--- a/Models/MediaMapper.php
+++ b/Models/MediaMapper.php
@@ -49,7 +49,7 @@ class MediaMapper extends DataMapperAbstract
         'media_extension'       => ['name' => 'media_extension',       'type' => 'string',   'internal' => 'extension'],
         'media_size'            => ['name' => 'media_size',            'type' => 'int',      'internal' => 'size'],
         'media_created_by'      => ['name' => 'media_created_by',      'type' => 'int',      'internal' => 'createdBy', 'readonly' => true],
-        'media_created_at'      => ['name' => 'media_created_at',      'type' => 'DateTime', 'internal' => 'createdAt', 'readonly' => true],
+        'media_created_at'      => ['name' => 'media_created_at',      'type' => 'DateTimeImmutable', 'internal' => 'createdAt', 'readonly' => true],
     ];
 
     /**