Current File : /home/admin/public_html/old/happy2/administrator/components/com_installer/models/languages.php
<?php
/**
* @package Joomla.Administrator
* @subpackage com_installer
* @copyright Copyright (C) 2005 - 2013 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
jimport('joomla.application.component.modellist');
jimport('joomla.updater.update');
/**
* Languages Installer Model
*
* @package Joomla.Administrator
* @subpackage com_installer
* @since 2.5.7
*/
class InstallerModelLanguages extends JModelList
{
/**
* Constructor override, defines a white list of column filters.
*
* @param array $config An optional associative array of configuration settings.
*
* @see JModelList
*/
public function __construct($config = array())
{
if (empty($config['filter_fields']))
{
$config['filter_fields'] = array(
'update_id', 'update_id',
'name', 'name',
);
}
parent::__construct($config);
}
/**
* Method to get the available languages database query.
*
* @return JDatabaseQuery The database query
*/
protected function _getListQuery()
{
$db = JFactory::getDBO();
$query = $db->getQuery(true);
// Select the required fields from the updates table
$query->select('update_id, name, version, detailsurl, type');
$query->from('#__updates');
// This Where clause will avoid to list languages already installed.
$query->where('extension_id = 0');
// Filter by search in title
$search = $this->getState('filter.search');
if (!empty($search))
{
$search = $db->Quote('%' . $db->escape($search, true) . '%');
$query->where('(name LIKE ' . $search . ')');
}
// Add the list ordering clause.
$listOrder = $this->state->get('list.ordering');
$orderDirn = $this->state->get('list.direction');
$query->order($db->escape($listOrder) . ' ' . $db->escape($orderDirn));
return $query;
}
/**
* Method to get a store id based on model configuration state.
*
* @param string $id A prefix for the store id.
*
* @return string A store id.
*/
protected function getStoreId($id = '')
{
// Compile the store id.
$id .= ':' . $this->getState('filter.search');
return parent::getStoreId($id);
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param null $ordering list order
* @param null $direction direction in the list
*
* @return void
*/
protected function populateState($ordering = 'name', $direction = 'asc')
{
// Initialise variables.
$app = JFactory::getApplication();
$value = $app->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
$this->setState('filter.search', $value);
$this->setState('extension_message', $app->getUserState('com_installer.extension_message'));
parent::populateState($ordering, $direction);
}
/**
* Method to find available languages in the Accredited Languages Update Site.
*
* @param int $cache_timeout time before refreshing the cached updates
*
* @return bool
*/
public function findLanguages($cache_timeout = 0)
{
$updater = JUpdater::getInstance();
/*
* The following function uses extension_id 600, that is the english language extension id.
* In #__update_sites_extensions you should have 600 linked to the Accredited Translations Repo
*/
$updater->findUpdates(array(600), $cache_timeout);
return true;
}
/**
* Install languages in the system.
*
* @param array $lids array of language ids selected in the list
*
* @return bool
*/
public function install($lids)
{
$app = JFactory::getApplication();
$installer = JInstaller::getInstance();
// Loop through every selected language
foreach ($lids as $id)
{
// Loads the update database object that represents the language
$language = JTable::getInstance('update');
$language->load($id);
// Get the url to the XML manifest file of the selected language
$remote_manifest = $this->_getLanguageManifest($id);
if (!$remote_manifest)
{
// Could not find the url, the information in the update server may be corrupt
$message = JText::sprintf('COM_INSTALLER_MSG_LANGUAGES_CANT_FIND_REMOTE_MANIFEST', $language->name);
$message .= ' ' . JText::_('COM_INSTALLER_MSG_LANGUAGES_TRY_LATER');
$app->enqueueMessage($message);
continue;
}
// Based on the language XML manifest get the url of the package to download
$package_url = $this->_getPackageUrl($remote_manifest);
if (!$package_url)
{
// Could not find the url , maybe the url is wrong in the update server, or there is not internet access
$message = JText::sprintf('COM_INSTALLER_MSG_LANGUAGES_CANT_FIND_REMOTE_PACKAGE', $language->name);
$message .= ' ' . JText::_('COM_INSTALLER_MSG_LANGUAGES_TRY_LATER');
$app->enqueueMessage($message);
continue;
}
// Download the package to the tmp folder
$package = $this->_downloadPackage($package_url);
// Install the package
if (!$installer->install($package['dir']))
{
// There was an error installing the package
$message = JText::sprintf('COM_INSTALLER_INSTALL_ERROR', $language->name);
$message .= ' ' . JText::_('COM_INSTALLER_MSG_LANGUAGES_TRY_LATER');
$app->enqueueMessage($message);
continue;
}
// Package installed successfully
$app->enqueueMessage(JText::sprintf('COM_INSTALLER_INSTALL_SUCCESS', $language->name));
// Cleanup the install files in tmp folder
if (!is_file($package['packagefile']))
{
$config = JFactory::getConfig();
$package['packagefile'] = $config->get('tmp_path') . '/' . $package['packagefile'];
}
JInstallerHelper::cleanupInstall($package['packagefile'], $package['extractdir']);
// Delete the installed language from the list
$language->delete($id);
}
}
/**
* Gets the manifest file of a selected language from a the language list in a update server.
*
* @param int $uid the id of the language in the #__updates table
*
* @return string
*/
protected function _getLanguageManifest($uid)
{
$instance = JTable::getInstance('update');
$instance->load($uid);
$detailurl = trim($instance->detailsurl);
return $detailurl;
}
/**
* Finds the url of the package to download.
*
* @param string $remote_manifest url to the manifest XML file of the remote package
*
* @return string|bool
*/
protected function _getPackageUrl( $remote_manifest )
{
$update = new JUpdate;
$update->loadFromXML($remote_manifest);
$package_url = trim($update->get('downloadurl', false)->_data);
return $package_url;
}
/**
* Download a language package from an URL and unpack it in the tmp folder.
*
* @param string $url url of the package
*
* @return array|bool Package details or false on failure
*/
protected function _downloadPackage($url)
{
// Download the package from the given URL
$p_file = JInstallerHelper::downloadPackage($url);
// Was the package downloaded?
if (!$p_file)
{
JError::raiseWarning('', JText::_('COM_INSTALLER_MSG_INSTALL_INVALID_URL'));
return false;
}
$config = JFactory::getConfig();
$tmp_dest = $config->get('tmp_path');
// Unpack the downloaded package file
$package = JInstallerHelper::unpack($tmp_dest . '/' . $p_file);
return $package;
}
}