From b72a082cc27efb74ea8bcf13d8ac41772c9bf504 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Thu, 10 Sep 2020 20:18:46 +0200
Subject: [PATCH] implement immutable datetime

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

diff --git a/Models/Event.php b/Models/Event.php
index 329f22a..76ae390 100755
--- a/Models/Event.php
+++ b/Models/Event.php
@@ -83,7 +83,7 @@ class Event
      * @var \DateTime
      * @since 1.0.0
      */
-    private \DateTime $createdAt;
+    private \DateTimeImmutable $createdAt;
 
     /**
      * Creator.
@@ -108,7 +108,7 @@ class Event
         $this->costs     = new Money();
         $this->budget    = new Money();
         $this->earnings  = new Money();
-        $this->createdAt = new \DateTime('now');
+        $this->createdAt = new \DateTimeImmutable('now');
         $this->createdBy = new NullAccount();
 
         $this->setName($name);
@@ -511,7 +511,7 @@ class Event
      *
      * @since 1.0.0
      */
-    public function getCreatedAt() : \DateTime
+    public function getCreatedAt() : \DateTimeInterface
     {
         return $this->createdAt;
     }
diff --git a/Models/EventMapper.php b/Models/EventMapper.php
index 852d59b..9a415ef 100755
--- a/Models/EventMapper.php
+++ b/Models/EventMapper.php
@@ -49,7 +49,7 @@ final class EventMapper extends DataMapperAbstract
         'eventmanagement_event_budget'        => ['name' => 'eventmanagement_event_budget',        'type' => 'Serializable', 'internal' => 'budget'],
         'eventmanagement_event_earnings'      => ['name' => 'eventmanagement_event_earnings',      'type' => 'Serializable', 'internal' => 'earnings'],
         'eventmanagement_event_created_by'    => ['name' => 'eventmanagement_event_created_by',    'type' => 'int',          'internal' => 'createdBy', 'readonly' => true],
-        'eventmanagement_event_created_at'    => ['name' => 'eventmanagement_event_created_at',    'type' => 'DateTime',     'internal' => 'createdAt', 'readonly' => true],
+        'eventmanagement_event_created_at'    => ['name' => 'eventmanagement_event_created_at',    'type' => 'DateTimeImmutable', 'internal' => 'createdAt', 'readonly' => true],
     ];
 
     /**