primo commit

modules/mod_whosonline/src/Helper/WhosonlineHelper.php

@@ -0,0 +1,120 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  mod_whosonline
+ *
+ * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Module\Whosonline\Site\Helper;
+
+use Joomla\CMS\Factory;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Helper for mod_whosonline
+ *
+ * @since  1.5
+ */
+class WhosonlineHelper
+{
+    /**
+     * Show online count
+     *
+     * @return  array  The number of Users and Guests online.
+     *
+     * @since   1.5
+     **/
+    public static function getOnlineCount()
+    {
+        $db = Factory::getDbo();
+
+        // Calculate number of guests and users
+        $result      = [];
+        $user_array  = 0;
+        $guest_array = 0;
+
+        $whereCondition = Factory::getApplication()->get('shared_session', '0') ? 'IS NULL' : '= 0';
+
+        $query = $db->getQuery(true)
+            ->select('guest, client_id')
+            ->from('#__session')
+            ->where('client_id ' . $whereCondition);
+        $db->setQuery($query);
+
+        try {
+            $sessions = (array) $db->loadObjectList();
+        } catch (\RuntimeException $e) {
+            $sessions = [];
+        }
+
+        if (\count($sessions)) {
+            foreach ($sessions as $session) {
+                // If guest increase guest count by 1
+                if ($session->guest == 1) {
+                    $guest_array++;
+                }
+
+                // If member increase member count by 1
+                if ($session->guest == 0) {
+                    $user_array++;
+                }
+            }
+        }
+
+        $result['user']  = $user_array;
+        $result['guest'] = $guest_array;
+
+        return $result;
+    }
+
+    /**
+     * Show online member names
+     *
+     * @param   mixed  $params  The parameters
+     *
+     * @return  array   (array) $db->loadObjectList()  The names of the online users.
+     *
+     * @since   1.5
+     **/
+    public static function getOnlineUserNames($params)
+    {
+        $whereCondition = Factory::getApplication()->get('shared_session', '0') ? 'IS NULL' : '= 0';
+
+        $db    = Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->select($db->quoteName(['a.username', 'a.userid', 'a.client_id']))
+            ->from($db->quoteName('#__session', 'a'))
+            ->where($db->quoteName('a.userid') . ' != 0')
+            ->where($db->quoteName('a.client_id') . ' ' . $whereCondition)
+            ->group($db->quoteName(['a.username', 'a.userid', 'a.client_id']));
+
+        $user = Factory::getUser();
+
+        if (!$user->authorise('core.admin') && $params->get('filter_groups', 0) == 1) {
+            $groups = $user->getAuthorisedGroups();
+
+            if (empty($groups)) {
+                return [];
+            }
+
+            $query->leftJoin($db->quoteName('#__user_usergroup_map', 'm'), $db->quoteName('m.user_id') . ' = ' . $db->quoteName('a.userid'))
+                ->leftJoin($db->quoteName('#__usergroups', 'ug'), $db->quoteName('ug.id') . ' = ' . $db->quoteName('m.group_id'))
+                ->whereIn($db->quoteName('ug.id'), $groups)
+                ->where($db->quoteName('ug.id') . ' <> 1');
+        }
+
+        $db->setQuery($query);
+
+        try {
+            return (array) $db->loadObjectList();
+        } catch (\RuntimeException $e) {
+            return [];
+        }
+    }
+}