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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\Component\Modules\Administrator\Model; \defined('_JEXEC') or die; use Joomla\CMS\Application\ApplicationHelper; use Joomla\CMS\Component\ComponentHelper; use Joomla\CMS\Factory; use Joomla\CMS\Filesystem\Path; use Joomla\CMS\Form\Form; use Joomla\CMS\Helper\ModuleHelper; use Joomla\CMS\Language\Text; use Joomla\CMS\MVC\Model\AdminModel; use Joomla\CMS\Object\CMSObject; use Joomla\CMS\Plugin\PluginHelper; use Joomla\CMS\Router\Route; use Joomla\CMS\Table\Table; use Joomla\Database\ParameterType; use Joomla\Registry\Registry; use Joomla\String\StringHelper; use Joomla\Utilities\ArrayHelper; /** * Module model. * * @since 1.6 */ class ModuleModel extends AdminModel { /** * The type alias for this content type. * * @var string * @since 3.4 */ public $typeAlias = 'com_modules.module'; /** * @var string The prefix to use with controller messages. * @since 1.6 */ protected $text_prefix = 'COM_MODULES'; /** * @var string The help screen key for the module. * @since 1.6 */ protected $helpKey = 'JHELP_EXTENSIONS_MODULE_MANAGER_EDIT'; /** * @var string The help screen base URL for the module. * @since 1.6 */ protected $helpURL; /** * Batch copy/move command. If set to false, * the batch copy/move command is not supported * * @var string */ protected $batch_copymove = 'position_id'; /** * Allowed batch commands * * @var array */ protected $batch_commands = array( 'assetgroup_id' => 'batchAccess', 'language_id' => 'batchLanguage', ); /** * Constructor. * * @param array $config An optional associative array of configuration settings. */ public function __construct($config = array()) { $config = array_merge( array( 'event_after_delete' => 'onExtensionAfterDelete', 'event_after_save' => 'onExtensionAfterSave', 'event_before_delete' => 'onExtensionBeforeDelete', 'event_before_save' => 'onExtensionBeforeSave', 'events_map' => array( 'save' => 'extension', 'delete' => 'extension' ) ), $config ); parent::__construct($config); } /** * Method to auto-populate the model state. * * Note. Calling getState in this method will result in recursion. * * @return void * * @since 1.6 */ protected function populateState() { $app = Factory::getApplication(); // Load the User state. $pk = $app->input->getInt('id'); if (!$pk) { if ($extensionId = (int) $app->getUserState('com_modules.add.module.extension_id')) { $this->setState('extension.id', $extensionId); } } $this->setState('module.id', $pk); // Load the parameters. $params = ComponentHelper::getParams('com_modules'); $this->setState('params', $params); } /** * Batch copy modules to a new position or current. * * @param integer $value The new value matching a module position. * @param array $pks An array of row IDs. * @param array $contexts An array of item contexts. * * @return boolean True if successful, false otherwise and internal error is set. * * @since 2.5 */ protected function batchCopy($value, $pks, $contexts) { // Set the variables $user = Factory::getUser(); $table = $this->getTable(); $newIds = array(); foreach ($pks as $pk) { if ($user->authorise('core.create', 'com_modules')) { $table->reset(); $table->load($pk); // Set the new position if ($value == 'noposition') { $position = ''; } elseif ($value == 'nochange') { $position = $table->position; } else { $position = $value; } $table->position = $position; // Copy of the Asset ID $oldAssetId = $table->asset_id; // Alter the title if necessary $data = $this->generateNewTitle(0, $table->title, $table->position); $table->title = $data['0']; // Reset the ID because we are making a copy $table->id = 0; // Unpublish the new module $table->published = 0; if (!$table->store()) { $this->setError($table->getError()); return false; } // Get the new item ID $newId = $table->get('id'); // Add the new ID to the array $newIds[$pk] = $newId; // Now we need to handle the module assignments $db = $this->getDbo(); $query = $db->getQuery(true) ->select($db->quoteName('menuid')) ->from($db->quoteName('#__modules_menu')) ->where($db->quoteName('moduleid') . ' = :moduleid') ->bind(':moduleid', $pk, ParameterType::INTEGER); $db->setQuery($query); $menus = $db->loadColumn(); // Insert the new records into the table foreach ($menus as $i => $menu) { $query->clear() ->insert($db->quoteName('#__modules_menu')) ->columns($db->quoteName(['moduleid', 'menuid'])) ->values(implode(', ', [':newid' . $i, ':menu' . $i])) ->bind(':newid' . $i, $newId, ParameterType::INTEGER) ->bind(':menu' . $i, $menu, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); } // Copy rules $query->clear() ->update($db->quoteName('#__assets', 't')) ->join('INNER', $db->quoteName('#__assets', 's') . ' ON ' . $db->quoteName('s.id') . ' = ' . $oldAssetId ) ->set($db->quoteName('t.rules') . ' = ' . $db->quoteName('s.rules')) ->where($db->quoteName('t.id') . ' = ' . $table->asset_id); $db->setQuery($query)->execute(); } else { $this->setError(Text::_('JLIB_APPLICATION_ERROR_BATCH_CANNOT_CREATE')); return false; } } // Clean the cache $this->cleanCache(); return $newIds; } /** * Batch move modules to a new position or current. * * @param integer $value The new value matching a module position. * @param array $pks An array of row IDs. * @param array $contexts An array of item contexts. * * @return boolean True if successful, false otherwise and internal error is set. * * @since 2.5 */ protected function batchMove($value, $pks, $contexts) { // Set the variables $user = Factory::getUser(); $table = $this->getTable(); foreach ($pks as $pk) { if ($user->authorise('core.edit', 'com_modules')) { $table->reset(); $table->load($pk); // Set the new position if ($value == 'noposition') { $position = ''; } elseif ($value == 'nochange') { $position = $table->position; } else { $position = $value; } $table->position = $position; if (!$table->store()) { $this->setError($table->getError()); return false; } } else { $this->setError(Text::_('JLIB_APPLICATION_ERROR_BATCH_CANNOT_EDIT')); return false; } } // Clean the cache $this->cleanCache(); return true; } /** * Method to test whether a record can have its state edited. * * @param object $record A record object. * * @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component. * * @since 3.2 */ protected function canEditState($record) { // Check for existing module. if (!empty($record->id)) { return Factory::getUser()->authorise('core.edit.state', 'com_modules.module.' . (int) $record->id); } // Default to component settings if module not known. return parent::canEditState($record); } /** * Method to delete rows. * * @param array &$pks An array of item ids. * * @return boolean Returns true on success, false on failure. * * @since 1.6 * @throws \Exception */ public function delete(&$pks) { $app = Factory::getApplication(); $pks = (array) $pks; $user = Factory::getUser(); $table = $this->getTable(); $context = $this->option . '.' . $this->name; // Include the plugins for the on delete events. PluginHelper::importPlugin($this->events_map['delete']); // Iterate the items to delete each one. foreach ($pks as $pk) { if ($table->load($pk)) { // Access checks. if (!$user->authorise('core.delete', 'com_modules.module.' . (int) $pk) || $table->published != -2) { Factory::getApplication()->enqueueMessage(Text::_('JERROR_CORE_DELETE_NOT_PERMITTED'), 'error'); return; } // Trigger the before delete event. $result = $app->triggerEvent($this->event_before_delete, array($context, $table)); if (in_array(false, $result, true) || !$table->delete($pk)) { throw new \Exception($table->getError()); } else { // Delete the menu assignments $pk = (int) $pk; $db = $this->getDbo(); $query = $db->getQuery(true) ->delete($db->quoteName('#__modules_menu')) ->where($db->quoteName('moduleid') . ' = :moduleid') ->bind(':moduleid', $pk, ParameterType::INTEGER); $db->setQuery($query); $db->execute(); // Trigger the after delete event. $app->triggerEvent($this->event_after_delete, array($context, $table)); } // Clear module cache parent::cleanCache($table->module); } else { throw new \Exception($table->getError()); } } // Clear modules cache $this->cleanCache(); return true; } /** * Method to duplicate modules. * * @param array &$pks An array of primary key IDs. * * @return boolean Boolean true on success * * @since 1.6 * @throws \Exception */ public function duplicate(&$pks) { $user = Factory::getUser(); $db = $this->getDbo(); // Access checks. if (!$user->authorise('core.create', 'com_modules')) { throw new \Exception(Text::_('JERROR_CORE_CREATE_NOT_PERMITTED')); } $table = $this->getTable(); foreach ($pks as $pk) { if ($table->load($pk, true)) { // Reset the id to create a new record. $table->id = 0; // Alter the title. $m = null; if (preg_match('#\((\d+)\)$#', $table->title, $m)) { $table->title = preg_replace('#\(\d+\)$#', '(' . ($m[1] + 1) . ')', $table->title); } $data = $this->generateNewTitle(0, $table->title, $table->position); $table->title = $data[0]; // Unpublish duplicate module $table->published = 0; if (!$table->check() || !$table->store()) { throw new \Exception($table->getError()); } $pk = (int) $pk; $query = $db->getQuery(true) ->select($db->quoteName('menuid')) ->from($db->quoteName('#__modules_menu')) ->where($db->quoteName('moduleid') . ' = :moduleid') ->bind(':moduleid', $pk, ParameterType::INTEGER); $db->setQuery($query); $rows = $db->loadColumn(); foreach ($rows as $menuid) { $tuples[] = (int) $table->id . ',' . (int) $menuid; } } else { throw new \Exception($table->getError()); } } if (!empty($tuples)) { // Module-Menu Mapping: Do it in one query $query = $db->getQuery(true) ->insert($db->quoteName('#__modules_menu')) ->columns($db->quoteName(array('moduleid', 'menuid'))) ->values($tuples); $db->setQuery($query); try { $db->execute(); } catch (\RuntimeException $e) { Factory::getApplication()->enqueueMessage($e->getMessage(), 'error'); return false; } } // Clear modules cache $this->cleanCache(); return true; } /** * Method to change the title. * * @param integer $categoryId The id of the category. Not used here. * @param string $title The title. * @param string $position The position. * * @return array Contains the modified title. * * @since 2.5 */ protected function generateNewTitle($categoryId, $title, $position) { // Alter the title & alias $table = $this->getTable(); while ($table->load(array('position' => $position, 'title' => $title))) { $title = StringHelper::increment($title); } return array($title); } /** * Method to get the client object * * @return void * * @since 1.6 */ public function &getClient() { return $this->_client; } /** * Method to get the record form. * * @param array $data Data for the form. * @param boolean $loadData True if the form is to load its own data (default case), false if not. * * @return \JForm A \JForm object on success, false on failure * * @since 1.6 */ public function getForm($data = array(), $loadData = true) { // The folder and element vars are passed when saving the form. if (empty($data)) { $item = $this->getItem(); $clientId = $item->client_id; $module = $item->module; $id = $item->id; } else { $clientId = ArrayHelper::getValue($data, 'client_id'); $module = ArrayHelper::getValue($data, 'module'); $id = ArrayHelper::getValue($data, 'id'); } // Add the default fields directory $baseFolder = $clientId ? JPATH_ADMINISTRATOR : JPATH_SITE; Form::addFieldPath($baseFolder . '/modules/' . $module . '/field'); // These variables are used to add data from the plugin XML files. $this->setState('item.client_id', $clientId); $this->setState('item.module', $module); // Get the form. if ($clientId == 1) { $form = $this->loadForm('com_modules.module.admin', 'moduleadmin', array('control' => 'jform', 'load_data' => $loadData), true); // Display language field to filter admin custom menus per language if (!ModuleHelper::isAdminMultilang()) { $form->setFieldAttribute('language', 'type', 'hidden'); } } else { $form = $this->loadForm('com_modules.module', 'module', array('control' => 'jform', 'load_data' => $loadData), true); } if (empty($form)) { return false; } $user = Factory::getUser(); /** * Check for existing module * Modify the form based on Edit State access controls. */ if ($id != 0 && (!$user->authorise('core.edit.state', 'com_modules.module.' . (int) $id)) || ($id == 0 && !$user->authorise('core.edit.state', 'com_modules')) ) { // Disable fields for display. $form->setFieldAttribute('ordering', 'disabled', 'true'); $form->setFieldAttribute('published', 'disabled', 'true'); $form->setFieldAttribute('publish_up', 'disabled', 'true'); $form->setFieldAttribute('publish_down', 'disabled', 'true'); // Disable fields while saving. // The controller has already verified this is a record you can edit. $form->setFieldAttribute('ordering', 'filter', 'unset'); $form->setFieldAttribute('published', 'filter', 'unset'); $form->setFieldAttribute('publish_up', 'filter', 'unset'); $form->setFieldAttribute('publish_down', 'filter', 'unset'); } return $form; } /** * Method to get the data that should be injected in the form. * * @return mixed The data for the form. * * @since 1.6 */ protected function loadFormData() { $app = Factory::getApplication(); // Check the session for previously entered form data. $data = $app->getUserState('com_modules.edit.module.data', array()); if (empty($data)) { $data = $this->getItem(); // Pre-select some filters (Status, Module Position, Language, Access Level) in edit form if those have been selected in Module Manager if (!$data->id) { $clientId = $app->input->getInt('client_id', 0); $filters = (array) $app->getUserState('com_modules.modules.' . $clientId . '.filter'); $data->set('published', $app->input->getInt('published', ((isset($filters['state']) && $filters['state'] !== '') ? $filters['state'] : null))); $data->set('position', $app->input->getInt('position', (!empty($filters['position']) ? $filters['position'] : null))); $data->set('language', $app->input->getString('language', (!empty($filters['language']) ? $filters['language'] : null))); $data->set('access', $app->input->getInt('access', (!empty($filters['access']) ? $filters['access'] : $app->get('access')))); } // Avoid to delete params of a second module opened in a new browser tab while new one is not saved yet. if (empty($data->params)) { // This allows us to inject parameter settings into a new module. $params = $app->getUserState('com_modules.add.module.params'); if (is_array($params)) { $data->set('params', $params); } } } $this->preprocessData('com_modules.module', $data); return $data; } /** * Method to get a single record. * * @param integer $pk The id of the primary key. * * @return mixed Object on success, false on failure. * * @since 1.6 */ public function getItem($pk = null) { $pk = (!empty($pk)) ? (int) $pk : (int) $this->getState('module.id'); $db = $this->getDbo(); if (!isset($this->_cache[$pk])) { // Get a row instance. $table = $this->getTable(); // Attempt to load the row. $return = $table->load($pk); // Check for a table object error. if ($return === false && $error = $table->getError()) { $this->setError($error); return false; } // Check if we are creating a new extension. if (empty($pk)) { if ($extensionId = (int) $this->getState('extension.id')) { $query = $db->getQuery(true) ->select($db->quoteName(['element', 'client_id'])) ->from($db->quoteName('#__extensions')) ->where($db->quoteName('extension_id') . ' = :extensionid') ->where($db->quoteName('type') . ' = ' . $db->quote('module')) ->bind(':extensionid', $extensionId, ParameterType::INTEGER); $db->setQuery($query); try { $extension = $db->loadObject(); } catch (\RuntimeException $e) { $this->setError($e->getMessage()); return false; } if (empty($extension)) { $this->setError('COM_MODULES_ERROR_CANNOT_FIND_MODULE'); return false; } // Extension found, prime some module values. $table->module = $extension->element; $table->client_id = $extension->client_id; } else { Factory::getApplication()->redirect(Route::_('index.php?option=com_modules&view=modules', false)); return false; } } // Convert to the \JObject before adding other data. $properties = $table->getProperties(1); $this->_cache[$pk] = ArrayHelper::toObject($properties, CMSObject::class); // Convert the params field to an array. $registry = new Registry($table->params); $this->_cache[$pk]->params = $registry->toArray(); // Determine the page assignment mode. $query = $db->getQuery(true) ->select($db->quoteName('menuid')) ->from($db->quoteName('#__modules_menu')) ->where($db->quoteName('moduleid') . ' = :moduleid') ->bind(':moduleid', $pk, ParameterType::INTEGER); $db->setQuery($query); $assigned = $db->loadColumn(); if (empty($pk)) { // If this is a new module, assign to all pages. $assignment = 0; } elseif (empty($assigned)) { // For an existing module it is assigned to none. $assignment = '-'; } else { if ($assigned[0] > 0) { $assignment = 1; } elseif ($assigned[0] < 0) { $assignment = -1; } else { $assignment = 0; } } $this->_cache[$pk]->assigned = $assigned; $this->_cache[$pk]->assignment = $assignment; // Get the module XML. $client = ApplicationHelper::getClientInfo($table->client_id); $path = Path::clean($client->path . '/modules/' . $table->module . '/' . $table->module . '.xml'); if (file_exists($path)) { $this->_cache[$pk]->xml = simplexml_load_file($path); } else { $this->_cache[$pk]->xml = null; } } return $this->_cache[$pk]; } /** * Get the necessary data to load an item help screen. * * @return object An object with key, url, and local properties for loading the item help screen. * * @since 1.6 */ public function getHelp() { return (object) array('key' => $this->helpKey, 'url' => $this->helpURL); } /** * Returns a reference to the a Table object, always creating it. * * @param string $type The table type to instantiate * @param string $prefix A prefix for the table class name. Optional. * @param array $config Configuration array for model. Optional. * * @return Table A database object * * @since 1.6 */ public function getTable($type = 'Module', $prefix = 'JTable', $config = array()) { return Table::getInstance($type, $prefix, $config); } /** * Prepare and sanitise the table prior to saving. * * @param Table $table The database object * * @return void * * @since 1.6 */ protected function prepareTable($table) { $table->title = htmlspecialchars_decode($table->title, ENT_QUOTES); $table->position = trim($table->position); } /** * Method to preprocess the form * * @param \JForm $form A form object. * @param mixed $data The data expected for the form. * @param string $group The name of the plugin group to import (defaults to "content"). * * @return void * * @since 1.6 * @throws \Exception if there is an error loading the form. */ protected function preprocessForm(Form $form, $data, $group = 'content') { $lang = Factory::getLanguage(); $clientId = $this->getState('item.client_id'); $module = $this->getState('item.module'); $client = ApplicationHelper::getClientInfo($clientId); $formFile = Path::clean($client->path . '/modules/' . $module . '/' . $module . '.xml'); // Load the core and/or local language file(s). $lang->load($module, $client->path) || $lang->load($module, $client->path . '/modules/' . $module); if (file_exists($formFile)) { // Get the module form. if (!$form->loadFile($formFile, false, '//config')) { throw new \Exception(Text::_('JERROR_LOADFILE_FAILED')); } // Attempt to load the xml file. if (!$xml = simplexml_load_file($formFile)) { throw new \Exception(Text::_('JERROR_LOADFILE_FAILED')); } // Get the help data from the XML file if present. $help = $xml->xpath('/extension/help'); if (!empty($help)) { $helpKey = trim((string) $help[0]['key']); $helpURL = trim((string) $help[0]['url']); $this->helpKey = $helpKey ?: $this->helpKey; $this->helpURL = $helpURL ?: $this->helpURL; } } // Load the default advanced params Form::addFormPath(JPATH_ADMINISTRATOR . '/components/com_modules/models/forms'); $form->loadFile('advanced', false); // Trigger the default form events. parent::preprocessForm($form, $data, $group); } /** * Loads ContentHelper for filters before validating data. * * @param object $form The form to validate against. * @param array $data The data to validate. * @param string $group The name of the group(defaults to null). * * @return mixed Array of filtered data if valid, false otherwise. * * @since 1.1 */ public function validate($form, $data, $group = null) { if (!Factory::getUser()->authorise('core.admin', 'com_modules')) { if (isset($data['rules'])) { unset($data['rules']); } } return parent::validate($form, $data, $group); } /** * Method to save the form data. * * @param array $data The form data. * * @return boolean True on success. * * @since 1.6 */ public function save($data) { $input = Factory::getApplication()->input; $table = $this->getTable(); $pk = (!empty($data['id'])) ? $data['id'] : (int) $this->getState('module.id'); $isNew = true; $context = $this->option . '.' . $this->name; // Include the plugins for the save event. PluginHelper::importPlugin($this->events_map['save']); // Load the row if saving an existing record. if ($pk > 0) { $table->load($pk); $isNew = false; } // Alter the title and published state for Save as Copy if ($input->get('task') == 'save2copy') { $orig_table = clone $this->getTable(); $orig_table->load((int) $input->getInt('id')); $data['published'] = 0; if ($data['title'] == $orig_table->title) { $data['title'] = StringHelper::increment($data['title']); } } // Bind the data. if (!$table->bind($data)) { $this->setError($table->getError()); return false; } // Prepare the row for saving $this->prepareTable($table); // Check the data. if (!$table->check()) { $this->setError($table->getError()); return false; } // Trigger the before save event. $result = Factory::getApplication()->triggerEvent($this->event_before_save, array($context, &$table, $isNew)); if (in_array(false, $result, true)) { $this->setError($table->getError()); return false; } // Store the data. if (!$table->store()) { $this->setError($table->getError()); return false; } // Process the menu link mappings. $assignment = $data['assignment'] ?? 0; $table->id = (int) $table->id; // Delete old module to menu item associations $db = $this->getDbo(); $query = $db->getQuery(true) ->delete($db->quoteName('#__modules_menu')) ->where($db->quoteName('moduleid') . ' = :moduleid') ->bind(':moduleid', $table->id, ParameterType::INTEGER); $db->setQuery($query); try { $db->execute(); } catch (\RuntimeException $e) { $this->setError($e->getMessage()); return false; } // If the assignment is numeric, then something is selected (otherwise it's none). if (is_numeric($assignment)) { // Variable is numeric, but could be a string. $assignment = (int) $assignment; // Logic check: if no module excluded then convert to display on all. if ($assignment == -1 && empty($data['assigned'])) { $assignment = 0; } // Check needed to stop a module being assigned to `All` // and other menu items resulting in a module being displayed twice. if ($assignment === 0) { // Assign new module to `all` menu item associations. $query->clear() ->insert($db->quoteName('#__modules_menu')) ->columns($db->quoteName(['moduleid', 'menuid'])) ->values(implode(', ', [':moduleid', 0])) ->bind(':moduleid', $table->id, ParameterType::INTEGER); $db->setQuery($query); try { $db->execute(); } catch (\RuntimeException $e) { $this->setError($e->getMessage()); return false; } } elseif (!empty($data['assigned'])) { // Get the sign of the number. $sign = $assignment < 0 ? -1 : 1; $query->clear() ->insert($db->quoteName('#__modules_menu')) ->columns($db->quoteName(array('moduleid', 'menuid'))); foreach ($data['assigned'] as &$pk) { $query->values((int) $table->id . ',' . (int) $pk * $sign); } $db->setQuery($query); try { $db->execute(); } catch (\RuntimeException $e) { $this->setError($e->getMessage()); return false; } } } // Trigger the after save event. Factory::getApplication()->triggerEvent($this->event_after_save, array($context, &$table, $isNew)); // Compute the extension id of this module in case the controller wants it. $query->clear() ->select($db->quoteName('extension_id')) ->from($db->quoteName('#__extensions', 'e')) ->join( 'LEFT', $db->quoteName('#__modules', 'm') . ' ON ' . $db->quoteName('e.client_id') . ' = ' . (int) $table->client_id . ' AND ' . $db->quoteName('e.element') . ' = ' . $db->quoteName('m.module') ) ->where($db->quoteName('m.id') . ' = :id') ->bind(':id', $table->id, ParameterType::INTEGER); $db->setQuery($query); try { $extensionId = $db->loadResult(); } catch (\RuntimeException $e) { Factory::getApplication()->enqueueMessage($e->getMessage(), 'error'); return false; } $this->setState('module.extension_id', $extensionId); $this->setState('module.id', $table->id); // Clear modules cache $this->cleanCache(); // Clean module cache parent::cleanCache($table->module); return true; } /** * A protected method to get a set of ordering conditions. * * @param object $table A record object. * * @return array An array of conditions to add to ordering queries. * * @since 1.6 */ protected function getReorderConditions($table) { return [ $this->_db->quoteName('client_id') . ' = ' . (int) $table->client_id, $this->_db->quoteName('position') . ' = ' . $this->_db->quote($table->position), ]; } /** * Custom clean cache method for different clients * * @param string $group The name of the plugin group to import (defaults to null). * @param integer $clientId @deprecated 5.0 No longer used. * * @return void * * @since 1.6 */ protected function cleanCache($group = null, $clientId = 0) { parent::cleanCache('com_modules'); } }