first commit

plugins/system/nrframework/fields/akeebasubs.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            http://www.tassos.gr
+ * @copyright       Copyright © 2021 Tassos Marinos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+*/
+
+// No direct access to this file
+// 
+defined('_JEXEC') or die;
+jimport('joomla.form.helper');
+JFormHelper::loadFieldClass('list');
+
+class JFormFieldAkeebaSubs extends JFormFieldList
+{
+    /**
+     * Method to get a list of options for a list input.
+     *
+     * @return      array           An array of JHtml options.
+     */
+    protected function getOptions() 
+    {
+        if (!NRFramework\Extension::isInstalled('akeebasubs'))
+        {
+            return;
+        }
+
+        $lists = $this->getLevels();
+
+        if (!count($lists))
+        {
+            return;
+        }
+
+        $options = array();
+
+        foreach ($lists as $option)
+        {
+            $options[] = JHTML::_('select.option', $option->id, $option->name);
+        }
+
+        return array_merge(parent::getOptions(), $options);
+    }
+
+    /**
+     *  Retrieve all Akeeba Subscription Levels
+     *
+     *  @return  array  Subscription Levels
+     */
+    private function getLevels()
+    {
+        // Get a db connection.
+        $db = JFactory::getDbo();
+        
+        $query = $db->getQuery(true)
+            ->select('l.akeebasubs_level_id as id, l.title AS name, l.enabled as published')
+            ->from('#__akeebasubs_levels AS l')
+            ->where('l.enabled > -1')
+            ->order('l.title, l.akeebasubs_level_id');
+        $db->setQuery($query);
+        
+        return $db->loadObjectList();
+    }
+}