primo commit

administrator/components/com_jem/models/housekeeping.php

@@ -0,0 +1,219 @@
+<?php
+/**
+ * @package    JEM
+ * @copyright  (C) 2013-2024 joomlaeventmanager.net
+ * @copyright  (C) 2005-2009 Christoph Lukes
+ * @license    https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Model\BaseDatabaseModel;
+use Joomla\CMS\Filesystem\File;
+use Joomla\CMS\Log\Log;
+use Joomla\CMS\Filesystem\Folder;
+use Joomla\CMS\Client\ClientHelper;
+use Joomla\CMS\Filesystem\Path;
+use Joomla\CMS\Filter\InputFilter;
+
+jimport('joomla.filesystem.file');
+
+/**
+ * Housekeeping-Model
+ */
+class JemModelHousekeeping extends BaseDatabaseModel
+{
+	const EVENTS = 1;
+	const VENUES = 2;
+	const CATEGORIES = 3;
+
+	/**
+	 * Map logical name to folder and db names
+	 * @var stdClass
+	 */
+	private $map = null;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		$map = array();
+		$map[JemModelHousekeeping::EVENTS] = array("folder" => "events", "table" => "events", "field" => "datimage");
+		$map[JemModelHousekeeping::VENUES] = array("folder" => "venues", "table" => "venues", "field" => "locimage");
+		$map[JemModelHousekeeping::CATEGORIES] = array("folder" => "categories", "table" => "categories", "field" => "image");
+		$this->map = $map;
+	}
+
+	/**
+	 * Method to delete the images
+	 *
+	 * @access public
+	 * @return int
+	 */
+	public function delete($type)
+	{
+		// Set FTP credentials, if given
+		jimport('joomla.client.helper');
+		ClientHelper::setCredentialsFromRequest('ftp');
+
+		// Get some data from the request
+		$images	= $this->getImages($type);
+		$folder = $this->map[$type]['folder'];
+
+		$count = count($images);
+		$fail = 0;
+
+		foreach ($images as $image)
+		{
+			if ($image !== InputFilter::getInstance()->clean($image, 'path')) {
+				Factory::getApplication()->enqueueMessage(Text::_('COM_JEM_UNABLE_TO_DELETE').' '.htmlspecialchars($image, ENT_COMPAT, 'UTF-8'), 'warning');
+				$fail++;
+				continue;
+			}
+
+			$fullPath = Path::clean(JPATH_SITE.'/images/jem/'.$folder.'/'.$image);
+			$fullPaththumb = Path::clean(JPATH_SITE.'/images/jem/'.$folder.'/small/'.$image);
+
+			if (is_file($fullPath)) {
+				File::delete($fullPath);
+				if (File::exists($fullPaththumb)) {
+					File::delete($fullPaththumb);
+				}
+			}
+		}
+
+		$deleted = $count - $fail;
+
+		return $deleted;
+	}
+
+	/**
+	 * Deletes zombie cats_event_relations with no existing event or category
+	 * @return boolean
+	 */
+	public function cleanupCatsEventRelations()
+	{
+		$db = Factory::getContainer()->get('DatabaseDriver');
+
+		$db->setQuery('DELETE cat FROM #__jem_cats_event_relations as cat'
+				.' LEFT OUTER JOIN #__jem_events as e ON cat.itemid = e.id'
+				.' WHERE e.id IS NULL');
+		$db->execute();
+
+		$db->setQuery('DELETE cat FROM #__jem_cats_event_relations as cat'
+				.' LEFT OUTER JOIN #__jem_categories as c ON cat.catid = c.id'
+				.' WHERE c.id IS NULL');
+		$db->execute();
+
+		return true;
+	}
+
+	/**
+	 * Truncates JEM tables with exception of settings table
+	 */
+	public function truncateAllData()
+	{
+		$result = true;
+		$tables = array('attachments', 'categories', 'cats_event_relations', 'events', 'groupmembers', 'groups', 'register', 'venues');
+		$db = Factory::getContainer()->get('DatabaseDriver');
+
+		foreach ($tables as $table) {
+			$db->setQuery('TRUNCATE #__jem_'.$table);
+
+			if ($db->execute() === false) {
+				// report but continue
+				JemHelper::addLogEntry('Error truncating #__jem_'.$table, __METHOD__, Log::ERROR);
+				$result = false;
+			}
+		}
+
+		$categoryTable = $this->getTable('category', 'JemTable');
+		$categoryTable->addRoot();
+
+		return $result;
+	}
+
+	/**
+	 * Method to count the cat_relations table
+	 *
+	 * @access public
+	 * @return int
+	 */
+	public function getCountcats()
+	{
+		$db = Factory::getContainer()->get('DatabaseDriver');
+		$query = $db->getQuery(true);
+		$query->select(array('*'));
+		$query->from('#__jem_cats_event_relations');
+		$db->setQuery($query);
+		$db->execute();
+
+		$total = $db->loadObjectList();
+
+		return is_array($total) ? count($total) : 0;
+	}
+
+	/**
+	 * Method to determine the images to delete
+	 *
+	 * @access private
+	 * @return array
+	 */
+	private function getImages($type)
+	{
+		$images = array_diff($this->getAvailable($type), $this->getAssigned($type));
+
+		return $images;
+	}
+
+	/**
+	 * Method to determine the assigned images
+	 *
+	 * @access private
+	 * @return array
+	 */
+	private function getAssigned($type)
+	{
+		$query = 'SELECT '.$this->map[$type]['field'].' FROM #__jem_'.$this->map[$type]['table'];
+
+		$this->_db->setQuery($query);
+		$assigned = $this->_db->loadColumn();
+
+		return $assigned;
+	}
+
+	/**
+	 * Method to determine the unassigned images
+	 *
+	 * @access private
+	 * @return array
+	 */
+	private function getAvailable($type)
+	{
+		// Initialize variables
+		$basePath = JPATH_SITE.'/images/jem/'.$this->map[$type]['folder'];
+
+		$images = array ();
+
+		// Get the list of files and folders from the given folder
+		$fileList = Folder::files($basePath);
+
+		// Iterate over the files if they exist
+		if ($fileList !== false) {
+			foreach ($fileList as $file)
+			{
+				if (is_file($basePath.'/'.$file) && substr($file, 0, 1) != '.') {
+					$images[] = $file;
+				}
+			}
+		}
+
+		return $images;
+	}
+}
+?>