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plugins/privacy/message/src/Extension/Message.php

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+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Privacy.message
+ *
+ * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Plugin\Privacy\Message\Extension;
+
+use Joomla\CMS\User\User;
+use Joomla\Component\Privacy\Administrator\Plugin\PrivacyPlugin;
+use Joomla\Component\Privacy\Administrator\Table\RequestTable;
+use Joomla\Database\ParameterType;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Privacy plugin managing Joomla user messages
+ *
+ * @since  3.9.0
+ */
+final class Message extends PrivacyPlugin
+{
+    /**
+     * Processes an export request for Joomla core user message
+     *
+     * This event will collect data for the message table
+     *
+     * @param   RequestTable  $request  The request record being processed
+     * @param   User          $user     The user account associated with this request if available
+     *
+     * @return  \Joomla\Component\Privacy\Administrator\Export\Domain[]
+     *
+     * @since   3.9.0
+     */
+    public function onPrivacyExportRequest(RequestTable $request, User $user = null)
+    {
+        if (!$user) {
+            return [];
+        }
+
+        $domain = $this->createDomain('user_messages', 'joomla_user_messages_data');
+        $db     = $this->getDatabase();
+
+        $query = $db->getQuery(true)
+            ->select('*')
+            ->from($db->quoteName('#__messages'))
+            ->where($db->quoteName('user_id_from') . ' = :useridfrom')
+            ->extendWhere('OR', $db->quoteName('user_id_to') . ' = :useridto')
+            ->order($db->quoteName('date_time') . ' ASC')
+            ->bind([':useridfrom', ':useridto'], $user->id, ParameterType::INTEGER);
+
+        $items = $db->setQuery($query)->loadAssocList();
+
+        foreach ($items as $item) {
+            $domain->addItem($this->createItemFromArray($item));
+        }
+
+        return [$domain];
+    }
+}