Add the data after the change to a element edited log entry, so you can easily view the changes in log detail pages

src/Entity/Contracts/LogWithNewDataInterface.php

@@ -0,0 +1,41 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Entity\Contracts;
+
+interface LogWithNewDataInterface
+{
+    /**
+     * Checks if this entry has information about the new data.
+     * @return bool
+     */
+    public function hasNewDataInformation(): bool;
+
+    /**
+     * Returns the new data for this entry.
+     */
+    public function getNewData(): array;
+
+    /**
+     * Sets the new data for this entry.
+     * @return $this
+     */
+    public function setNewData(array $new_data): self;
+}

src/Entity/Contracts/TimeTravelInterface.php

@@ -31,7 +31,7 @@ interface TimeTravelInterface
      *
      * @return bool true if this entry has information about the changed data
      */
-    public function hasOldDataInformations(): bool;
+    public function hasOldDataInformation(): bool;
 
     /**
      * Returns the data the entity had before this log entry.

src/Entity/LogSystem/ElementDeletedLogEntry.php

@@ -88,7 +88,7 @@ class ElementDeletedLogEntry extends AbstractLogEntry implements TimeTravelInter
         return $this;
     }
 
-    public function hasOldDataInformations(): bool
+    public function hasOldDataInformation(): bool
     {
         return !empty($this->extra['o']);
     }

src/Entity/LogSystem/ElementEditedLogEntry.php

@@ -25,6 +25,7 @@ namespace App\Entity\LogSystem;
 use App\Entity\Base\AbstractDBElement;
 use App\Entity\Contracts\LogWithCommentInterface;
 use App\Entity\Contracts\LogWithEventUndoInterface;
+use App\Entity\Contracts\LogWithNewDataInterface;
 use App\Entity\Contracts\TimeTravelInterface;
 use Doctrine\ORM\Mapping as ORM;
 use InvalidArgumentException;
@@ -32,7 +33,7 @@ use InvalidArgumentException;
 /**
  * @ORM\Entity()
  */
-class ElementEditedLogEntry extends AbstractLogEntry implements TimeTravelInterface, LogWithCommentInterface, LogWithEventUndoInterface
+class ElementEditedLogEntry extends AbstractLogEntry implements TimeTravelInterface, LogWithCommentInterface, LogWithEventUndoInterface, LogWithNewDataInterface
 {
     protected string $typeString = 'element_edited';
 
@@ -49,7 +50,7 @@ class ElementEditedLogEntry extends AbstractLogEntry implements TimeTravelInterf
      */
     public function hasChangedFieldsInfo(): bool
     {
-        return isset($this->extra['f']) || $this->hasOldDataInformations();
+        return isset($this->extra['f']) || $this->hasOldDataInformation();
     }
 
     /**
@@ -59,7 +60,7 @@ class ElementEditedLogEntry extends AbstractLogEntry implements TimeTravelInterf
      */
     public function getChangedFields(): array
     {
-        if ($this->hasOldDataInformations()) {
+        if ($this->hasOldDataInformation()) {
             return array_keys($this->getOldData());
         }
 
@@ -92,7 +93,29 @@ class ElementEditedLogEntry extends AbstractLogEntry implements TimeTravelInterf
         return $this;
     }
 
-    public function hasOldDataInformations(): bool
+    public function hasNewDataInformation(): bool
+    {
+        return !empty($this->extra['n']);
+    }
+
+    public function getNewData(): array
+    {
+        return $this->extra['n'] ?? [];
+    }
+
+    /**
+     * Sets the old data for this entry.
+     *
+     * @return $this
+     */
+    public function setNewData(array $new_data): self
+    {
+        $this->extra['n'] = $new_data;
+
+        return $this;
+    }
+
+    public function hasOldDataInformation(): bool
     {
         return !empty($this->extra['d']);
     }