Members-Manager/admin/models/fields/memberuser.php

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<?php
/**
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* @package Joomla.Members.Manager
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*
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* @created 6th July, 2018
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* @author Llewellyn van der Merwe <https://www.joomlacomponentbuilder.com/>
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* @github Joomla Members Manager <https://github.com/vdm-io/Joomla-Members-Manager>
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* @copyright Copyright (C) 2015. All Rights Reserved
* @license GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
*/
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// No direct access to this file
defined('_JEXEC') or die('Restricted access');
// import the list field type
jimport('joomla.form.helper');
JFormHelper::loadFieldClass('list');
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/**
* Memberuser Form Field class for the Membersmanager component
*/
class JFormFieldMemberuser extends JFormFieldList
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{
/**
* The memberuser field type.
*
* @var string
*/
public $type = 'memberuser';
/**
* Method to get a list of options for a list input.
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*
* @return array An array of JHtml options.
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*/
protected function getOptions()
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{
// load the db object
$db = JFactory::getDBO();
// get the input from url
$jinput = JFactory::getApplication()->input;
// get the id
$id = $jinput->getInt('id', 0);
if ($id > 0)
{
$user = MembersmanagerHelper::getVar('member', $id, 'id', 'user');
}
// get all ready used users IDs
$users = MembersmanagerHelper::getVars('member', array('1','4'), 'account', 'user');
if (isset($user) && $user > 0 && MembersmanagerHelper::checkArray($users))
{
// remove from users array
if (($key = array_search($user, $users)) !== false)
{
unset($users[$key]);
}
}
// function to setup the group array
$getGroups = function ($groups) {
// convert to array
if (MembersmanagerHelper::checkJson($groups))
{
return (array) json_decode($groups, true);
}
elseif (is_numeric($groups))
{
return array($groups);
}
return false;
};
// get the user
$my = JFactory::getUser();
// start query
$query = $db->getQuery(true);
$query->select($db->quoteName(array('a.id','a.name'),array('id','user_name')));
$query->from($db->quoteName('#__users', 'a'));
$query->where($db->quoteName('a.block') . ' = 0');
// only load user not already used
if (isset($users) && MembersmanagerHelper::checkArray($users))
{
$query->where($db->quoteName('a.id') . ' NOT IN (' . implode(', ', $users) . ')');
}
// check if current user is a supper admin
if (!$my->authorise('core.admin'))
{
// get user access groups
$user_access_groups = MembersmanagerHelper::getAccess($my, 2);
// user must have access
if (isset($user_access_groups) && MembersmanagerHelper::checkArray($user_access_groups))
{
// filter my user access groups
$query->join('LEFT', '#__user_usergroup_map AS map ON map.user_id = a.id');
$query->where('map.group_id IN (' . implode(',', $user_access_groups) . ')');
}
elseif ($id > 0)
{
// load this member only
$query->where($db->quoteName('a.id') . ' = ' . (int) $id);
}
else
{
return false;
}
}
$query->order('a.name ASC');
$db->setQuery((string)$query);
$items = $db->loadObjectList();
$options = array();
if ($items)
{
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// only add if more then one value found or if this is the back end
if (count( (array) $items) > 1 || JFactory::getApplication()->isClient('administrator'))
{
$options[] = JHtml::_('select.option', '', 'Select a user');
}
// build the options
foreach($items as $item)
{
// check if we current member
if (isset($user) && $user == $item->id)
{
// remove ID
$user = 0;
}
$options[] = JHtml::_('select.option', $item->id, $item->user_name);
}
}
// add the current user (TODO this is not suppose to happen)
if (isset($user) && $user > 0)
{
// load the current member manual
$options[] = JHtml::_('select.option', (int) $user, JFactory::getUser($user)->name);
}
return $options;
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}
}