Current File : /home/admin/public_html/old/administrator/components/com_installer/models/languages.php
<?php
/**
* @package Joomla.Administrator
* @subpackage com_installer
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
jimport('joomla.updater.update');
/**
* Languages Installer Model
*
* @since 2.5.7
*/
class InstallerModelLanguages extends JModelList
{
/**
* @var integer Extension ID of the en-GB language pack.
* @since 3.4
*/
private $enGbExtensionId = 0;
/**
* @var integer Upate Site ID of the en-GB language pack.
* @since 3.4
*/
private $updateSiteId = 0;
/**
* Constructor override, defines a white list of column filters.
*
* @param array $config An optional associative array of configuration settings.
*
* @since 2.5.7
*/
public function __construct($config = array())
{
if (empty($config['filter_fields']))
{
$config['filter_fields'] = array(
'update_id', 'update_id',
'name', 'name',
);
}
parent::__construct($config);
// Get the extension_id of the en-GB package.
$db = $this->getDbo();
$extQuery = $db->getQuery(true);
$extType = 'language';
$extElem = 'en-GB';
$extQuery->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where($db->quoteName('type') . ' = ' . $db->quote($extType))
->where($db->quoteName('element') . ' = ' . $db->quote($extElem))
->where($db->quoteName('client_id') . ' = 0');
$db->setQuery($extQuery);
$extId = (int) $db->loadResult();
// Get the update_site_id for the en-GB package if extension_id found before.
if ($extId)
{
$this->enGbExtensionId = $extId;
$siteQuery = $db->getQuery(true);
$siteQuery->select($db->quoteName('update_site_id'))
->from($db->quoteName('#__update_sites_extensions'))
->where($db->quoteName('extension_id') . ' = ' . $extId);
$db->setQuery($siteQuery);
$siteId = (int) $db->loadResult();
if ($siteId)
{
$this->updateSiteId = $siteId;
}
}
}
/**
* Method to get the available languages database query.
*
* @return JDatabaseQuery The database query
*
* @since 2.5.7
*/
protected function _getListQuery()
{
$db = $this->getDbo();
$query = $db->getQuery(true);
// Select the required fields from the updates table.
$query->select($db->quoteName(array('update_id', 'name', 'version', 'detailsurl', 'type')))
->from($db->quoteName('#__updates'));
/*
* This where clause will limit to language updates only.
* If no update site exists, set the where clause so
* no available languages will be found later with the
* query returned by this function here.
*/
if ($this->updateSiteId)
{
$query->where($db->quoteName('update_site_id') . ' = ' . $this->updateSiteId);
}
else
{
$query->where($db->quoteName('update_site_id') . ' = -1');
}
// This where clause will avoid to list languages already installed.
$query->where($db->quoteName('extension_id') . ' = 0');
// Filter by search in title
$search = $this->getState('filter.search');
if (!empty($search))
{
$search = $db->quote('%' . str_replace(' ', '%', $db->escape(trim($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 $id A prefix for the store id.
*
* @return string A store id.
*
* @since 2.5.7
*/
protected function getStoreId($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 string $ordering list order
* @param string $direction direction in the list
*
* @return void
*
* @since 2.5.7
*/
protected function populateState($ordering = 'name', $direction = 'asc')
{
$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, $direction);
}
/**
* Enable languages update server
*
* @return boolean
*
* @since 3.4
*/
protected function enableUpdateSite()
{
// If no update site, return false.
if (!$this->updateSiteId)
{
return false;
}
// Try to enable the update site, return false if some RuntimeException
$db = $this->getDbo();
$query = $db->getQuery(true)
->update('#__update_sites')
->set('enabled = 1')
->where('update_site_id = ' . $this->updateSiteId);
$db->setQuery($query);
try
{
$db->execute();
}
catch (RuntimeException $e)
{
$this->setError($e->getMessage());
return false;
}
return true;
}
/**
* Method to find available languages in the Accredited Languages Update Site.
*
* @param int $cache_timeout time before refreshing the cached updates
*
* @return bool
*
* @since 2.5.7
*/
public function findLanguages($cache_timeout = 0)
{
if (!$this->enableUpdateSite())
{
return false;
}
if (!$this->enGbExtensionId)
{
return false;
}
$updater = JUpdater::getInstance();
/*
* The following function call uses the extension_id of the en-GB package.
* In #__update_sites_extensions you should have this extension_id linked
* to the Accredited Translations Repo.
*/
$updater->findUpdates(array($this->enGbExtensionId), $cache_timeout);
return true;
}
/**
* Install languages in the system.
*
* @param array $lids array of language ids selected in the list
*
* @return bool
*
* @since 2.5.7
*/
public function install($lids)
{
$app = JFactory::getApplication();
// Loop through every selected language
foreach ($lids as $id)
{
$installer = new JInstaller;
// 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 $uid the id of the language in the #__updates table
*
* @return string
*
* @since 2.5.7
*/
protected function _getLanguageManifest($uid)
{
$instance = JTable::getInstance('update');
$instance->load($uid);
return $instance->detailsurl;
}
/**
* 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
*
* @since 2.5.7
*/
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 a URL and unpack it in the tmp folder.
*
* @param string $url hola
*
* @return array|bool Package details or false on failure
*
* @since 2.5.7
*/
protected function _downloadPackage($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;
}
}