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<?php
/**
* @package Joomla.Administrator
* @subpackage com_installer
*
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
require_once __DIR__ . '/extension.php';
/**
* Installer Discover Model
*
* @package Joomla.Administrator
* @subpackage com_installer
* @since 1.6
*/
class InstallerModelDiscover extends InstallerModel
{
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 3.1
*/
protected function populateState($ordering = null, $direction = null)
{
$app = JFactory::getApplication();
// Load the filter state.
$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$clientId = $this->getUserStateFromRequest($this->context . '.filter.client_id', 'filter_client_id', '');
$this->setState('filter.client_id', $clientId);
$categoryId = $this->getUserStateFromRequest($this->context . '.filter.type', 'filter_type', '');
$this->setState('filter.type', $categoryId);
$group = $this->getUserStateFromRequest($this->context . '.filter.group', 'filter_group', '');
$this->setState('filter.group', $group);
$this->setState('message', $app->getUserState('com_installer.message'));
$this->setState('extension_message', $app->getUserState('com_installer.extension_message'));
$app->setUserState('com_installer.message', '');
$app->setUserState('com_installer.extension_message', '');
parent::populateState('name', 'asc');
}
/**
* Method to get the database query.
*
* @return JDatabaseQuery the database query
*
* @since 3.1
*/
protected function getListQuery()
{
$type = $this->getState('filter.type');
$client = $this->getState('filter.client_id');
$group = $this->getState('filter.group');
$query = JFactory::getDbo()->getQuery(true)
->select('*')
->from('#__extensions')
->where('state=-1');
if ($type)
{
$query->where('type=' . $this->_db->quote($type));
}
if ($client != '')
{
$query->where('client_id=' . (int) $client);
}
if ($group != '' && in_array($type, array('plugin', 'library', '')))
{
$query->where('folder=' . $this->_db->quote($group == '*' ? '' : $group));
}
// Filter by search in id
$search = $this->getState('filter.search');
if (!empty($search) && stripos($search, 'id:') === 0)
{
$query->where('extension_id = ' . (int) substr($search, 3));
}
return $query;
}
/**
* Discover extensions.
*
* Finds uninstalled extensions
*
* @return void
*
* @since 1.6
*/
public function discover()
{
// Purge the list of discovered extensions
$this->purge();
$installer = JInstaller::getInstance();
$results = $installer->discover();
// Get all templates, including discovered ones
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('extension_id, element, folder, client_id, type')
->from('#__extensions');
$db->setQuery($query);
$installedtmp = $db->loadObjectList();
$extensions = array();
foreach ($installedtmp as $install)
{
$key = implode(':', array($install->type, $install->element, $install->folder, $install->client_id));
$extensions[$key] = $install;
}
unset($installedtmp);
foreach ($results as $result)
{
// Check if we have a match on the element
$key = implode(':', array($result->type, $result->element, $result->folder, $result->client_id));
if (!array_key_exists($key, $extensions))
{
// Put it into the table
$result->store();
}
}
}
/**
* Installs a discovered extension.
*
* @return void
*
* @since 1.6
*/
public function discover_install()
{
$app = JFactory::getApplication();
$installer = JInstaller::getInstance();
$eid = JRequest::getVar('cid', 0);
if (is_array($eid) || $eid)
{
if (!is_array($eid))
{
$eid = array($eid);
}
JArrayHelper::toInteger($eid);
$failed = false;
foreach ($eid as $id)
{
$result = $installer->discover_install($id);
if (!$result)
{
$failed = true;
$app->enqueueMessage(JText::_('COM_INSTALLER_MSG_DISCOVER_INSTALLFAILED') . ': ' . $id);
}
}
$this->setState('action', 'remove');
$this->setState('name', $installer->get('name'));
$app->setUserState('com_installer.message', $installer->message);
$app->setUserState('com_installer.extension_message', $installer->get('extension_message'));
if (!$failed)
{
$app->enqueueMessage(JText::_('COM_INSTALLER_MSG_DISCOVER_INSTALLSUCCESSFUL'));
}
}
else
{
$app->enqueueMessage(JText::_('COM_INSTALLER_MSG_DISCOVER_NOEXTENSIONSELECTED'));
}
}
/**
* Cleans out the list of discovered extensions.
*
* @return bool True on success
*
* @since 1.6
*/
public function purge()
{
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->delete('#__extensions')
->where('state = -1');
$db->setQuery($query);
if ($db->execute())
{
$this->_message = JText::_('COM_INSTALLER_MSG_DISCOVER_PURGEDDISCOVEREDEXTENSIONS');
return true;
}
else
{
$this->_message = JText::_('COM_INSTALLER_MSG_DISCOVER_FAILEDTOPURGEEXTENSIONS');
return false;
}
}
}