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modules/mod_jem_wide/script.php

@@ -0,0 +1,132 @@
+<?php
+/**
+ * @package    JEM
+ * @subpackage JEM Wide Module
+ * @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\Registry\Registry;
+
+/**
+ * Script file of JEM component
+*/
+class mod_jem_wideInstallerScript
+{
+
+	private $name = 'mod_jem_wide';
+
+	private $oldRelease = "";
+	private $newRelease = "";
+
+	/**
+	 * method to run before an install/update/uninstall method
+	 * (it seams method is not called on uninstall)
+	 *
+	 * @return void
+	 */
+	function preflight($type, $parent)
+	{
+		// abort if the release being installed is not newer than the currently installed version
+		if (strtolower($type) == 'update') {
+			// Installed component version
+			$this->oldRelease = $this->getParam('version');
+
+			// Installing component version as per Manifest file
+			$this->newRelease = (string) $parent->getManifest()->version;
+
+			if (version_compare($this->newRelease, $this->oldRelease, 'lt')) {
+				return false;
+			}
+		}
+	}
+
+	/**
+	 * Method to run after an install/update/uninstall method
+	 * (it seams method is not called on uninstall)
+	 *
+	 * @return void
+	 */
+	function postflight($type, $parent)
+	{
+		if (strtolower($type) == 'update') {
+			// Changes between 2.1.5 -> 2.1.6
+			if (version_compare($this->oldRelease, '2.1.6-rc3', 'le') && version_compare($this->newRelease, '2.1.6-rc3', 'ge')) {
+				// change category/venue/event ID lists from string to array
+				$this->updateParams216();
+			}
+		}
+	}
+
+	/**
+	 * Get a parameter from the manifest file (actually, from the manifest cache).
+	 *
+	 * @param $name  The name of the parameter
+	 *
+	 * @return The parameter
+	 */
+	private function getParam($name)
+	{
+		$db = Factory::getContainer()->get('DatabaseDriver');
+		$query = $db->getQuery(true);
+		$query->select('manifest_cache')->from('#__extensions')->where(array("type = 'module'", "element = '".$this->name."'"));
+		$db->setQuery($query);
+		$manifest = json_decode($db->loadResult(), true);
+		return $manifest[$name];
+	}
+
+	/**
+	 * Increment category ids in params of JEM modules.
+	 * (required when updating from 1.9.4 or below to 1.9.5 or newer)
+	 *
+	 * @return void
+	 */
+	private function updateParams216()
+	{
+		// get all "mod_jem..." entries
+		$db = Factory::getContainer()->get('DatabaseDriver');
+		$query = $db->getQuery(true);
+		$query->select('id, params');
+		$query->from('#__modules');
+		$query->where('module = "' . $this->name . '"');
+		$db->setQuery($query);
+		$items = $db->loadObjectList();
+
+		foreach ($items as $item) {
+			// Decode the item params
+			$reg = new Registry;
+			$reg->loadString($item->params);
+
+			$modified = false;
+
+			// catid - if string then convert to array
+			$ids = $reg->get('catid');
+			if (!empty($ids) && is_string($ids)) {
+				$reg->set('catid', explode(',', $ids));
+				$modified = true;
+			}
+			// venid - if string then convert to array
+			$ids = $reg->get('venid');
+			if (!empty($ids) && is_string($ids)) {
+				$reg->set('venid', explode(',', $ids));
+				$modified = true;
+			}
+
+			// write back
+			if ($modified) {
+				// write changed params back into DB
+				$query = $db->getQuery(true);
+				$query->update('#__modules');
+				$query->set('params = '.$db->quote((string)$reg));
+				$query->where(array('id = '.$db->quote($item->id)));
+				$db->setQuery($query);
+				$db->execute();
+			}
+		}
+	}
+
+}