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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
*/
// No direct access.
defined('_JEXEC') or die;
// Import library dependencies
require_once dirname(__FILE__) . '/extension.php';
/**
* Installer Manage Model
*
* @package Joomla.Administrator
* @subpackage com_installer
* @since 1.6
*/
class InstallerModelDiscover extends InstallerModel
{
protected $_context = 'com_installer.discover';
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @since 1.6
*/
protected function populateState($ordering = null, $direction = null)
{
$app = JFactory::getApplication();
$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 1.6
*/
protected function getListQuery()
{
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->select('*');
$query->from('#__extensions');
$query->where('state=-1');
return $query;
}
/**
* Discover extensions.
*
* Finds uninstalled extensions
*
* @since 1.6
*/
function discover()
{
$installer = JInstaller::getInstance();
$results = $installer->discover();
// Get all templates, including discovered ones
$query = 'SELECT extension_id, element, folder, client_id, type FROM #__extensions';
$dbo = JFactory::getDBO();
$dbo->setQuery($query);
$installedtmp = $dbo->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))
{
$result->store(); // put it into the table
}
}
}
/**
* Installs a discovered extension.
*
* @since 1.6
*/
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);
$app = JFactory::getApplication();
$failed = false;
foreach($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.
*
* @since 1.6
*/
function purge()
{
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->delete();
$query->from('#__extensions');
$query->where('state = -1');
$db->setQuery((string)$query);
if ($db->Query()) {
$this->_message = JText::_('COM_INSTALLER_MSG_DISCOVER_PURGEDDISCOVEREDEXTENSIONS');
return true;
} else {
$this->_message = JText::_('COM_INSTALLER_MSG_DISCOVER_FAILEDTOPURGEEXTENSIONS');
return false;
}
}
}