/libraries/joomla/installer/adapters/module.php
PHP | 831 lines | 480 code | 125 blank | 226 comment | 77 complexity | 00f15cf9f2d6b2bcd52ed6e6afdd35ff MD5 | raw file
Possible License(s): BSD-3-Clause, GPL-2.0, LGPL-2.1
- <?php
- /**
- * @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
- * @license GNU General Public License version 2 or later; see LICENSE
- * @package Joomla.Platform
- * @subpackage Installer
- */
- defined('JPATH_PLATFORM') or die;
- jimport('joomla.base.adapterinstance');
- /**
- * Module installer
- *
- * @package Joomla.Platform
- * @subpackage Installer
- * @since 11.1
- */
- class JInstallerModule extends JAdapterInstance
- {
- /**
- * @var string install function routing
- */
- protected $route = 'Install';
- protected $manifest = null;
- protected $manifest_script = null;
- protected $name = null;
- protected $element = null;
- protected $scriptElement = null;
- /**
- * Custom loadLanguage method
- *
- * @param string $path the path where to find language files
- *
- * @since 11.1
- */
- public function loadLanguage($path=null)
- {
- $source = $this->parent->getPath('source');
- if (!$source) {
- $this->parent->setPath('source', ($this->parent->extension->client_id ? JPATH_ADMINISTRATOR : JPATH_SITE) . '/modules/'.$this->parent->extension->element);
- }
- $this->manifest = $this->parent->getManifest();
- if ($this->manifest->files) {
- $element = $this->manifest->files;
- $extension = '';
- if (count($element->children())) {
- foreach ($element->children() as $file)
- {
- if ((string)$file->attributes()->module) {
- $extension = strtolower((string)$file->attributes()->module);
- break;
- }
- }
- }
- if ($extension) {
- $lang = JFactory::getLanguage();
- $source = $path ? $path : ($this->parent->extension->client_id ? JPATH_ADMINISTRATOR : JPATH_SITE) . '/modules/'.$extension ;
- $folder = (string)$element->attributes()->folder;
- if ($folder && file_exists("$path/$folder")) {
- $source = "$path/$folder";
- }
- $client = (string)$this->manifest->attributes()->client;
- $lang->load($extension . '.sys', $source, null, false, false)
- || $lang->load($extension . '.sys', constant('JPATH_' . strtoupper($client)), null, false, false)
- || $lang->load($extension . '.sys', $source, $lang->getDefault(), false, false)
- || $lang->load($extension . '.sys', constant('JPATH_' . strtoupper($client)), $lang->getDefault(), false, false);
- }
- }
- }
- /**
- * Custom install method
- *
- * @return boolean True on success
- *
- * @since 11.1
- */
- public function install()
- {
- // Get a database connector object
- $db = $this->parent->getDbo();
- // Get the extension manifest object
- $this->manifest = $this->parent->getManifest();
- /**
- * ---------------------------------------------------------------------------------------------
- * Manifest Document Setup Section
- * ---------------------------------------------------------------------------------------------
- */
- // Set the extensions name
- $name = (string)$this->manifest->name;
- $name = JFilterInput::getInstance()->clean($name, 'string');
- $this->set('name', $name);
- // Get the component description
- $description = (string)$this->manifest->description;
- if ($description) {
- $this->parent->set('message', JText::_($description));
- }
- else {
- $this->parent->set('message', '');
- }
- /**
- * ---------------------------------------------------------------------------------------------
- * Target Application Section
- * ---------------------------------------------------------------------------------------------
- */
- // Get the target application
- if ($cname = (string)$this->manifest->attributes()->client) {
- // Attempt to map the client to a base path
- jimport('joomla.application.helper');
- $client = JApplicationHelper::getClientInfo($cname, true);
- if ($client === false) {
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_UNKNOWN_CLIENT', JText::_('JLIB_INSTALLER_'.$this->route), $client->name));
- return false;
- }
- $basePath = $client->path;
- $clientId = $client->id;
- }
- else {
- // No client attribute was found so we assume the site as the client
- $cname = 'site';
- $basePath = JPATH_SITE;
- $clientId = 0;
- }
- // Set the installation path
- $element = '';
- if (count($this->manifest->files->children())) {
- foreach ($this->manifest->files->children() as $file)
- {
- if ((string)$file->attributes()->module) {
- $element = (string)$file->attributes()->module;
- $this->set('element',$element);
- break;
- }
- }
- }
- if (!empty ($element)) {
- $this->parent->setPath('extension_root', $basePath.DS.'modules'.DS.$element);
- }
- else {
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_INSTALL_NOFILE', JText::_('JLIB_INSTALLER_'.$this->route)));
- return false;
- }
- // Check to see if a module by the same name is already installed
- // If it is, then update the table because if the files aren't there
- // we can assume that it was (badly) uninstalled
- // If it isn't, add an entry to extensions
- $query = 'SELECT `extension_id`' .
- ' FROM `#__extensions` ' .
- ' WHERE element = '.$db->Quote($element) .
- ' AND client_id = '.(int)$clientId;
- $db->setQuery($query);
- try
- {
- $db->Query();
- }
- catch(JException $e)
- {
- // Install failed, roll back changes
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_ROLLBACK', JText::_('JLIB_INSTALLER_'.$this->route), $db->stderr(true)));
- return false;
- }
- $id = $db->loadResult();
- /*
- * If the module directory already exists, then we will assume that the
- * module is already installed or another module is using that
- * directory.
- * Check that this is either an issue where its not overwriting or it is
- * set to upgrade anyway
- */
- if (file_exists($this->parent->getPath('extension_root')) && (!$this->parent->getOverwrite() || $this->parent->getUpgrade())) {
- // look for an update function or update tag
- $updateElement = $this->manifest->update;
- // upgrade manually set
- // update function available
- // update tag detected
- if ($this->parent->getUpgrade() || ($this->parent->manifestClass && method_exists($this->parent->manifestClass,'update')) || is_a($updateElement, 'JXMLElement')) {
- // force these one
- $this->parent->setOverwrite(true);
- $this->parent->setUpgrade(true);
- if ($id) { // if there is a matching extension mark this as an update; semantics really
- $this->route = 'Update';
- }
- }
- else if (!$this->parent->getOverwrite()) {
- // overwrite is set
- // we didn't have overwrite set, find an udpate function or find an update tag so lets call it safe
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_INSTALL_DIRECTORY', JText::_('JLIB_INSTALLER_'.$this->route), $this->parent->getPath('extension_root')));
- return false;
- }
- }
- /**
- * ---------------------------------------------------------------------------------------------
- * Installer Trigger Loading
- * ---------------------------------------------------------------------------------------------
- */
- // If there is an manifest class file, lets load it; we'll copy it later (don't have dest yet)
- $this->scriptElement = $this->manifest->scriptfile;
- $manifestScript = (string)$this->manifest->scriptfile;
- if ($manifestScript) {
- $manifestScriptFile = $this->parent->getPath('source').DS.$manifestScript;
- if (is_file($manifestScriptFile)) {
- // load the file
- include_once $manifestScriptFile;
- }
- // Set the class name
- $classname = $element.'InstallerScript';
- if (class_exists($classname)) {
- // create a new instance
- $this->parent->manifestClass = new $classname($this);
- // and set this so we can copy it later
- $this->set('manifest_script', $manifestScript);
- // Note: if we don't find the class, don't bother to copy the file
- }
- }
- // run preflight if possible (since we know we're not an update)
- ob_start();
- ob_implicit_flush(false);
- if ($this->parent->manifestClass && method_exists($this->parent->manifestClass,'preflight')) {
- if ($this->parent->manifestClass->preflight($this->route, $this) === false) {
- // Install failed, rollback changes
- $this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_MOD_INSTALL_CUSTOM_INSTALL_FAILURE'));
- return false;
- }
- }
- $msg = ob_get_contents(); // create msg object; first use here
- ob_end_clean();
- /**
- * ---------------------------------------------------------------------------------------------
- * Filesystem Processing Section
- * ---------------------------------------------------------------------------------------------
- */
- // If the module directory does not exist, lets create it
- $created = false;
- if (!file_exists($this->parent->getPath('extension_root'))) {
- if (!$created = JFolder::create($this->parent->getPath('extension_root'))) {
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_INSTALL_CREATE_DIRECTORY', JText::_('JLIB_INSTALLER_'.$this->route), $this->parent->getPath('extension_root')));
- return false;
- }
- }
- /*
- * Since we created the module directory and will want to remove it if
- * we have to roll back the installation, lets add it to the
- * installation step stack
- */
- if ($created) {
- $this->parent->pushStep(array ('type' => 'folder', 'path' => $this->parent->getPath('extension_root')));
- }
- // Copy all necessary files
- if ($this->parent->parseFiles($this->manifest->files, -1) === false) {
- // Install failed, roll back changes
- $this->parent->abort();
- return false;
- }
- // Parse optional tags
- $this->parent->parseMedia($this->manifest->media, $clientId);
- $this->parent->parseLanguages($this->manifest->languages, $clientId);
- // Parse deprecated tags
- $this->parent->parseFiles($this->manifest->images, -1);
- /**
- * ---------------------------------------------------------------------------------------------
- * Database Processing Section
- * ---------------------------------------------------------------------------------------------
- */
- $row = JTable::getInstance('extension');
- // Was there a module already installed with the same name?
- if ($id) {
- // load the entry and update the manifest_cache
- $row->load($id);
- $row->name = $this->get('name'); // update name
- $row->manifest_cache = $this->parent->generateManifestCache(); // update manifest
- if (!$row->store()) {
- // Install failed, roll back changes
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_ROLLBACK', JText::_('JLIB_INSTALLER_'.$this->route), $db->stderr(true)));
- return false;
- }
- }
- else {
- $row->set('name', $this->get('name'));
- $row->set('type', 'module');
- $row->set('element', $this->get('element'));
- $row->set('folder', ''); // There is no folder for modules
- $row->set('enabled', 1);
- $row->set('protected', 0);
- $row->set('access', $clientId == 1 ? 2 : 0);
- $row->set('client_id', $clientId);
- $row->set('params', $this->parent->getParams());
- $row->set('custom_data', ''); // custom data
- $row->set('manifest_cache', $this->parent->generateManifestCache());
- if (!$row->store()) {
- // Install failed, roll back changes
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_ROLLBACK', JText::_('JLIB_INSTALLER_'.$this->route), $db->stderr(true)));
- return false;
- }
- // set the insert id
- $row->extension_id = $db->insertid();
- // Since we have created a module item, we add it to the installation step stack
- // so that if we have to rollback the changes we can undo it.
- $this->parent->pushStep(array ('type' => 'extension', 'extension_id' => $row->extension_id));
- // Create unpublished module in jos_modules
- $module = JTable::getInstance('module');
- $module->set('title', $this->get('name'));
- $module->set('module', $this->get('element'));
- $module->set('access', '1');
- $module->set('showtitle', '1');
- $module->set('client_id', $clientId);
- $module->set('language', '*');
- $module->store();
- }
- /*
- * Let's run the queries for the module
- * If Joomla 1.5 compatible, with discreet sql files - execute appropriate
- * file for utf-8 support or non-utf-8 support
- */
- // try for Joomla 1.5 type queries
- // second argument is the utf compatible version attribute
- if (strtolower($this->route) == 'install') {
- $utfresult = $this->parent->parseSQLFiles($this->manifest->install->sql);
- if ($utfresult === false) {
- // Install failed, rollback changes
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_INSTALL_SQL_ERROR', JText::_('JLIB_INSTALLER_'.$this->route), $db->stderr(true)));
- return false;
- }
- // Set the schema version to be the latest update version
- if ($this->manifest->update) {
- $this->parent->setSchemaVersion($this->manifest->update->schemas, $row->extension_id);
- }
- }
- else if (strtolower($this->route) == 'update') {
- if ($this->manifest->update) {
- $result = $this->parent->parseSchemaUpdates($this->manifest->update->schemas, $row->extension_id);
- if ($result === false) {
- // Install failed, rollback changes
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_MOD_UPDATE_SQL_ERROR', $db->stderr(true)));
- return false;
- }
- }
- }
- // Start Joomla! 1.6
- ob_start();
- ob_implicit_flush(false);
- if ($this->parent->manifestClass && method_exists($this->parent->manifestClass,$this->route)) {
- if ($this->parent->manifestClass->{$this->route}($this) === false) {
- // Install failed, rollback changes
- $this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_MOD_INSTALL_CUSTOM_INSTALL_FAILURE'));
- return false;
- }
- }
- $msg .= ob_get_contents(); // append messages
- ob_end_clean();
- /**
- * ---------------------------------------------------------------------------------------------
- * Finalization and Cleanup Section
- * ---------------------------------------------------------------------------------------------
- */
- // Lastly, we will copy the manifest file to its appropriate place.
- if (!$this->parent->copyManifest(-1)) {
- // Install failed, rollback changes
- $this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_MOD_INSTALL_COPY_SETUP'));
- return false;
- }
- // And now we run the postflight
- ob_start();
- ob_implicit_flush(false);
- if ($this->parent->manifestClass && method_exists($this->parent->manifestClass,'postflight')) {
- $this->parent->manifestClass->postflight($this->route, $this);
- }
- $msg .= ob_get_contents(); // append messages
- ob_end_clean();
- if ($msg != '') {
- $this->parent->set('extension_message', $msg);
- }
- return $row->get('extension_id');
- }
- /**
- * Custom update method
- * This is really a shell for the install system
- *
- * @return boolean True on success
- * @since 11.1
- */
- function update()
- {
- // set the overwrite setting
- $this->parent->setOverwrite(true);
- $this->parent->setUpgrade(true);
- // set the route for the install
- $this->route = 'Update';
- // go to install which handles updates properly
- return $this->install();
- }
- /**
- * Custom discover method
- *
- * @return array(JExtension) list of extensions available
- * @since 1.6
- */
- public function discover()
- {
- $results = Array();
- $site_list = JFolder::folders(JPATH_SITE.DS.'modules');
- $admin_list = JFolder::folders(JPATH_ADMINISTRATOR.DS.'modules');
- $site_info = JApplicationHelper::getClientInfo('site', true);
- $admin_info = JApplicationHelper::getClientInfo('administrator', true);
- foreach ($site_list as $module) {
- $manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_SITE."/modules/$module/$module.xml");
- $extension = JTable::getInstance('extension');
- $extension->set('type', 'module');
- $extension->set('client_id', $site_info->id);
- $extension->set('element', $module);
- $extension->set('name', $module);
- $extension->set('state', -1);
- $extension->set('manifest_cache', json_encode($manifest_details));
- $results[] = clone $extension;
- }
- foreach ($admin_list as $module) {
- $manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_ADMINISTRATOR."/modules/$module/$module.xml");
- $extension = JTable::getInstance('extension');
- $extension->set('type', 'module');
- $extension->set('client_id', $admin_info->id);
- $extension->set('element', $module);
- $extension->set('name', $module);
- $extension->set('state', -1);
- $extension->set('manifest_cache', json_encode($manifest_details));
- $results[] = clone $extension;
- }
- return $results;
- }
- /**
- * Custom discover_install method
- *
- * @param int $id The id of the extension to install (from #__discoveredextensions)
- *
- * @return void
- * @since 1.6
- */
- function discover_install()
- {
- // Modules are like templates, and are one of the easiest
- // If its not in the extensions table we just add it
- $client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
- $manifestPath = $client->path . DS . 'modules'. DS . $this->parent->extension->element . DS . $this->parent->extension->element . '.xml';
- $this->parent->manifest = $this->parent->isManifest($manifestPath);
- $description = (string)$this->parent->manifest->description;
- if ($description) {
- $this->parent->set('message', JText::_($description));
- }
- else {
- $this->parent->set('message', '');
- }
- $this->parent->setPath('manifest', $manifestPath);
- $manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
- // TODO: Re-evaluate this; should we run installation triggers? postflight perhaps?
- $this->parent->extension->manifest_cache = json_encode($manifest_details);
- $this->parent->extension->state = 0;
- $this->parent->extension->name = $manifest_details['name'];
- $this->parent->extension->enabled = 1;
- $this->parent->extension->params = $this->parent->getParams();
- if ($this->parent->extension->store()) {
- return $this->parent->extension->get('extension_id');
- }
- else {
- JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_MOD_DISCOVER_STORE_DETAILS'));
- return false;
- }
- }
- /**
- * Refreshes the extension table cache
- * @return boolean result of operation, true if updated, false on failure
- * @since 11.1
- */
- public function refreshManifestCache()
- {
- $client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
- $manifestPath = $client->path . DS . 'modules'. DS . $this->parent->extension->element . DS . $this->parent->extension->element . '.xml';
- $this->parent->manifest = $this->parent->isManifest($manifestPath);
- $this->parent->setPath('manifest', $manifestPath);
- $manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
- $this->parent->extension->manifest_cache = json_encode($manifest_details);
- $this->parent->extension->name = $manifest_details['name'];
- if ($this->parent->extension->store()) {
- return true;
- }
- else {
- JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_MOD_REFRESH_MANIFEST_CACHE'));
- return false;
- }
- }
- /**
- * Custom uninstall method
- *
- * @param int $id The id of the module to uninstall
- *
- * @return boolean True on success
- * @since 11.1
- */
- public function uninstall($id)
- {
- // Initialise variables.
- $row = null;
- $retval = true;
- $db = $this->parent->getDbo();
- // First order of business will be to load the module object table from the database.
- // This should give us the necessary information to proceed.
- $row = JTable::getInstance('extension');
- if (!$row->load((int) $id) || !strlen($row->element)) {
- JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_ERRORUNKOWNEXTENSION'));
- return false;
- }
- // Is the module we are trying to uninstall a core one?
- // Because that is not a good idea...
- if ($row->protected) {
- JError::raiseWarning(100, JText::sprintf('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_WARNCOREMODULE', $row->name));
- return false;
- }
- // Get the extension root path
- jimport('joomla.application.helper');
- $element = $row->element;
- $client = JApplicationHelper::getClientInfo($row->client_id);
- if ($client === false) {
- $this->parent->abort(JText::sprintf('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_UNKNOWN_CLIENT', $row->client_id));
- return false;
- }
- $this->parent->setPath('extension_root', $client->path.DS.'modules'.DS.$element);
- $this->parent->setPath('source', $this->parent->getPath('extension_root'));
- // Get the package manifest objecct
- // We do findManifest to avoid problem when uninstalling a list of extension: getManifest cache its manifest file
- $this->parent->findManifest();
- $this->manifest = $this->parent->getManifest();
- // Attempt to load the language file; might have uninstall strings
- $this->loadLanguage(($row->client_id ? JPATH_ADMINISTRATOR : JPATH_SITE) . '/modules/'.$element);
- // If there is an manifest class file, lets load it
- $this->scriptElement = $this->manifest->scriptfile;
- $manifestScript = (string)$this->manifest->scriptfile;
- if ($manifestScript) {
- $manifestScriptFile = $this->parent->getPath('extension_root').DS.$manifestScript;
- if (is_file($manifestScriptFile)) {
- // load the file
- include_once $manifestScriptFile;
- }
- // Set the class name
- $classname = $element.'InstallerScript';
- if (class_exists($classname)) {
- // create a new instance
- $this->parent->manifestClass = new $classname($this);
- // and set this so we can copy it later
- $this->set('manifest_script', $manifestScript);
- // Note: if we don't find the class, don't bother to copy the file
- }
- }
- ob_start();
- ob_implicit_flush(false);
- // run uninstall if possible
- if ($this->parent->manifestClass && method_exists($this->parent->manifestClass,'uninstall')) {
- $this->parent->manifestClass->uninstall($this);
- }
- $msg = ob_get_contents();
- ob_end_clean();
- if (!($this->manifest instanceof JXMLElement)) {
- // Make sure we delete the folders
- JFolder::delete($this->parent->getPath('extension_root'));
- JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_INVALID_NOTFOUND_MANIFEST'));
- return false;
- }
- /*
- * Let's run the uninstall queries for the component
- * If Joomla 1.5 compatible, with discreet sql files - execute appropriate
- * file for utf-8 support or non-utf support
- */
- // try for Joomla 1.5 type queries
- // second argument is the utf compatible version attribute
- $utfresult = $this->parent->parseSQLFiles($this->manifest->uninstall->sql);
- if ($utfresult === false) {
- // Install failed, rollback changes
- JError::raiseWarning(100, JText::sprintf('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_SQL_ERROR', $db->stderr(true)));
- $retval = false;
- }
- // Remove the schema version
- $query = $db->getQuery(true);
- $query->delete()->from('#__schemas')->where('extension_id = '. $row->extension_id);
- $db->setQuery($query);
- $db->Query();
- // Remove other files
- $this->parent->removeFiles($this->manifest->media);
- $this->parent->removeFiles($this->manifest->languages, $row->client_id);
- // Lets delete all the module copies for the type we are uninstalling
- $query = 'SELECT `id`' .
- ' FROM `#__modules`' .
- ' WHERE module = '.$db->Quote($row->element) .
- ' AND client_id = '.(int)$row->client_id;
- $db->setQuery($query);
- try
- {
- $modules = $db->loadResultArray();
- }
- catch(JException $e)
- {
- $modules = array();
- }
- // Do we have any module copies?
- if (count($modules))
- {
- // Ensure the list is sane
- JArrayHelper::toInteger($modules);
- $modID = implode(',', $modules);
- // Wipe out any items assigned to menus
- $query = 'DELETE' .
- ' FROM #__modules_menu' .
- ' WHERE moduleid IN ('.$modID.')';
- $db->setQuery($query);
- try
- {
- $db->query();
- }
- catch(JException $e)
- {
- JError::raiseWarning(100, JText::sprintf('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_EXCEPTION', $db->stderr(true)));
- $retval = false;
- }
- // Wipe out any instances in the modules table
- $query = 'DELETE' .
- ' FROM #__modules' .
- ' WHERE id IN ('.$modID.')';
- $db->setQuery($query);
- try
- {
- $db->query();
- }
- catch (JException $e)
- {
- JError::raiseWarning(100, JText::sprintf('JLIB_INSTALLER_ERROR_MOD_UNINSTALL_EXCEPTION', $db->stderr(true)));
- $retval = false;
- }
- }
- // Now we will no longer need the module object, so lets delete it and free up memory
- $row->delete($row->extension_id);
- $query = 'DELETE FROM `#__modules` WHERE module = '.$db->Quote($row->element) . ' AND client_id = ' . $row->client_id;
- $db->setQuery($query);
- try
- {
- $db->Query(); // clean up any other ones that might exist as well
- }
- catch(JException $e)
- {
- //Ignore the error...
- }
- unset ($row);
- // Remove the installation folder
- if (!JFolder::delete($this->parent->getPath('extension_root'))) {
- // JFolder should raise an error
- $retval = false;
- }
- return $retval;
- }
- /**
- * Custom rollback method
- * - Roll back the menu item
- *
- * @param array $arg Installation step to rollback
- *
- * @return boolean True on success
- * @since 11.1
- */
- protected function _rollback_menu($arg)
- {
- // Get database connector object
- $db = $this->parent->getDbo();
- // Remove the entry from the #__modules_menu table
- $query = 'DELETE' .
- ' FROM `#__modules_menu`' .
- ' WHERE moduleid='.(int)$arg['id'];
- $db->setQuery($query);
- try
- {
- return $db->query();
- }
- catch(JException $e)
- {
- return false;
- }
- }
- /**
- * Custom rollback method
- * - Roll back the module item
- *
- * @param array $arg Installation step to rollback
- *
- * @return boolean True on success
- * @since 11.1
- */
- protected function _rollback_module($arg)
- {
- // Get database connector object
- $db = $this->parent->getDbo();
- // Remove the entry from the #__modules table
- $query = 'DELETE' .
- ' FROM `#__modules`' .
- ' WHERE id='.(int)$arg['id'];
- $db->setQuery($query);
- try
- {
- return $db->query();
- }
- catch(JException $e)
- {
- return false;
- }
- }
- }