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<?php
/**
* @package Sven.Bluege
* @subpackage com_eventgallery
*
* @copyright Copyright (C) 2005 - 2019 Sven Bluege All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
//the name of the class must be the name of your component + InstallerScript
//for example: com_contentInstallerScript for com_content.
class com_eventgalleryInstallerScript
{
protected $initialDbVersion = null;
private $eventgalleryCliScripts = array(
'eventgallery-sync.php',
'eventgallery-s3-thumbnails.php',
'eventgallery-local-thumbnails.php'
);
/*
* $parent is the class calling this method.
* $type is the type of change (install, update or discover_install, not uninstall).
* preflight runs before anything else and while the extracted files are in the uploaded temp folder.
* If preflight returns false, Joomla will abort the update and undo everything already done.
*/
function preflight( /** @noinspection PhpUnusedParameterInspection */$type, $parent ) {
if ($type == 'uninstall') {
return;
}
$dbVersion = $this->getDatabaseVersion();
$this->initialDbVersion = $dbVersion;
if ($dbVersion!= null && version_compare($dbVersion, '4.2.0_2022-06-18', 'gt')) {
$msg = "Downgrades are not supported. Please install the same or a newer version. Current version: " . $dbVersion . '. I tried to install database version 4.2.0_2022-06-18';
throw new Exception($msg, 100);
}
$folders = array(
JPATH_ROOT . '/administrator/components/com_eventgallery/controllers',
JPATH_ROOT . '/administrator/components/com_eventgallery/media',
JPATH_ROOT . '/administrator/components/com_eventgallery/models',
JPATH_ROOT . '/administrator/components/com_eventgallery/views',
// don't delete the SQL folder. This will cause trouble with the database update
//JPATH_ROOT . '/administrator/components/com_eventgallery/sql',
JPATH_ROOT . '/components/com_eventgallery/controllers',
JPATH_ROOT . '/components/com_eventgallery/helpers',
JPATH_ROOT . '/components/com_eventgallery/language',
JPATH_ROOT . '/components/com_eventgallery/library',
JPATH_ROOT . '/components/com_eventgallery/media',
JPATH_ROOT . '/components/com_eventgallery/models',
JPATH_ROOT . '/components/com_eventgallery/tests',
JPATH_ROOT . '/components/com_eventgallery/views',
JPATH_ROOT . '/components/com_eventgallery/smarty',
JPATH_ROOT . '/components/com_eventgallery/vendor',
JPATH_ROOT . '/cache/com_eventgallery_flickr',
JPATH_ROOT . '/cache/com_eventgallery_picasa',
JPATH_ROOT . '/cache/com_eventgallery_template_compile',
JPATH_ROOT . '/media/com_eventgallery'
);
$files = array(
JPATH_ROOT . '/language/en-GB/en-GB.com_eventgallery.ini',
JPATH_ROOT . '/language/de-DE/de-DE.com_eventgallery.ini',
JPATH_ROOT . '/administrator/language/en-GB/en-GB.com_eventgallery.ini',
JPATH_ROOT . '/administrator/language/en-GB/en-GB.com_eventgallery.sys.ini',
JPATH_ROOT . '/administrator/components/com_eventgallery/sql/updates/mysql/3.10.16_2019-02-27.sql',
JPATH_ROOT . '/administrator/components/com_eventgallery/sql/updates/mysql/all.sql'
);
foreach($folders as $folder) {
if (JFolder::exists($folder)) {
JFolder::delete($folder);
}
}
foreach($files as $file) {
if (JFolder::exists($file)) {
JFolder::delete($file);
}
}
$this->_copyCliFiles($parent);
}
/**
* Copies the CLI scripts into Joomla!'s cli directory
*
* @param JInstaller $parent
*/
private function _copyCliFiles($parent)
{
$src = $parent->getParent()->getPath('source');
if(empty($this->eventgalleryCliScripts)) {
return;
}
foreach($this->eventgalleryCliScripts as $script) {
if(JFile::exists(JPATH_ROOT.'/cli/'.$script)) {
JFile::delete(JPATH_ROOT.'/cli/'.$script);
}
// copy the CLI files only to a Joomla 3 system. They are no longer needed with Joomla 4
if (version_compare(JVERSION, '4.0', '<' ) == 1) {
if (JFile::exists($src . '/cli/' . $script)) {
JFile::move($src . '/cli/' . $script, JPATH_ROOT . '/cli/' . $script);
}
}
}
}
function uninstall( /** @noinspection PhpUnusedParameterInspection */$parent ) {
// remove CLI
foreach($this->eventgalleryCliScripts as $script) {
if(JFile::exists(JPATH_ROOT.'/cli/'.$script)) {
JFile::delete(JPATH_ROOT.'/cli/'.$script);
}
}
}
function postflight( /** @noinspection PhpUnusedParameterInspection */$type, $parent )
{
if($type == 'uninstall') {
return;
}
$db = JFactory::getDbo();
if ($type == 'update') {
$this->updateDatabase(false);
} else {
$this->updateDatabase(true);
}
$plugins = Array(
Array('system', 'picasaupdater'),
Array('installer', 'eventgallery')
);
foreach($plugins as $pluginData) {
// Let's get the information of the update plugin
$query = $db->getQuery(true)
->select('*')
->from($db->qn('#__extensions'))
->where($db->qn('folder').' = '.$db->quote($pluginData[0]))
->where($db->qn('element').' = '.$db->quote($pluginData[1]))
->where($db->qn('type').' = '.$db->quote('plugin'));
$db->setQuery($query);
$plugin = $db->loadObject();
// If it's missing or enabledthere's nothing else to do
if (!is_object($plugin) || $plugin->enabled)
{
continue;
}
// Otherwise, try to enable it
$pluginObject = (object)array(
'extension_id' => $plugin->extension_id,
'enabled' => 1
);
try
{
$db->updateObject('#__extensions', $pluginObject, 'extension_id');
}
catch (Exception $e)
{
}
}
$this->migrateTags();
$this->createDefaultCategory();
$this->removeOldColumns();
$this->moveLocalImageCacheFolder();
}
/**
* Loads the ID of the extension from the database
*
* @return mixed
*/
private function getExtensionId() {
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('extension_id')
->from('#__extensions')
->where($db->qn('element').' = '.$db->q('com_eventgallery'). ' AND type='. $db->q('component'));
$db->setQuery($query);
$eid = $db->loadResult();
return $eid;
}
private function getDatabaseVersion() {
// Get the extension ID
$db = JFactory::getDbo();
$eid = $this->getExtensionId();
if ($eid != null) {
// Get the schema version
$query = $db->getQuery(true);
$query->select('version_id')
->from('#__schemas')
->where('extension_id = ' . $db->quote($eid));
$db->setQuery($query);
$version = $db->loadResult();
return $version;
}
return null;
}
/**
* Migrate folder tag to Joomla! tags if we're in a version below Event Gallery 3.5.0
*/
private function migrateTags() {
$dbVersion = $this->initialDbVersion;
echo "<h1>" . $dbVersion . "</h1>";
if ($dbVersion == null || version_compare($dbVersion, '3.5.0_2015-05-06', 'lt') == false) {
return;
}
JLoader::registerPrefix('Eventgallery', JPATH_ADMINISTRATOR . '/components/com_eventgallery');
JLoader::registerPrefix('Eventgallery', JPATH_SITE . '/components/com_eventgallery');
JTable::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_eventgallery/tables');
include_once(JPATH_ADMINISTRATOR.'/components/com_eventgallery/controllers/migration.php');
$controller = new EventgalleryControllerMigration();
$controller->migrateTags(false);
}
/**
* create the default category
*/
private function createDefaultCategory()
{
// Initialize a new category
/** @type JTableCategory $category */
$category = JTable::getInstance('Category');
// Check if the Uncategorised category exists before adding it
if (!$category->load(array('extension' => 'com_eventgallery', 'alias' => 'uncategorised')))
{
$category->extension = 'com_eventgallery';
$category->title = 'Uncategorised';
$category->alias = 'uncategorized';
$category->description = '';
$category->published = 1;
$category->access = 1;
$category->params = '{"category_layout":"","image":""}';
$category->metadata = '{"author":"","robots":""}';
$category->metadesc = '';
$category->metakey = '';
$category->language = '*';
$category->checked_out_time = JFactory::getDbo()->getNullDate();
$category->version = 1;
$category->hits = 0;
$category->modified_user_id = 0;
$category->checked_out = 0;
// Set the location in the tree
$category->setLocation(1, 'last-child');
// Check to make sure our data is valid
if (!$category->check())
{
JFactory::getApplication()->enqueueMessage(JText::sprintf('COM_EVENTGALLERY_ERROR_INSTALL_CATEGORY', $category->getError()));
return;
}
// Now store the category
if (!$category->store(true))
{
JFactory::getApplication()->enqueueMessage(JText::sprintf('COM_EVENTGALLERY_ERROR_INSTALL_CATEGORY', $category->getError()));
return;
}
// Build the path for our category
$category->rebuildPath($category->id);
}
}
/**
* Performs the database update operations.
*
* @param $fixSchemaOnly
* @return bool
*/
private function updateDatabase($fixSchemaOnly) {
$db = JFactory::getDbo();
// Get the folder from the database name
$sqlFolder = $db->name;
if ($sqlFolder == 'mysqli' || $sqlFolder == 'pdomysql')
{
$sqlFolder = 'mysql';
}
elseif ($sqlFolder == 'sqlsrv')
{
$sqlFolder = 'sqlazure';
}
$folder = JPATH_ADMINISTRATOR . '/components/com_eventgallery/sql/updates/';
$files = JFolder::files(
$folder . '/' . $sqlFolder, '\.sql$', 1, true, array('.svn', 'CVS', '.DS_Store', '__MACOSX'), array('^\..*', '.*~'), true
);
$currentVersion = $this->getSchemaVersion();
if (!$changeSet = $this->getItems())
{
return false;
}
if (!$fixSchemaOnly) {
$targetVersion = $changeSet->getSchema();
$updateQueries = $this->getUpdateQueries($files);
JFactory::getApplication()->enqueueMessage('Event Gallery 4.3.2 installed successfully.'." Updated the database schema from $currentVersion to $targetVersion");
foreach ($updateQueries as $obj) {
$changeItem = JSchemaChangeitem::getInstance($db, $obj->file, $obj->updateQuery);
$version = basename($obj->file, '.sql');
if (version_compare($currentVersion, $version) == -1) {
echo "<pre>";
echo $obj->file;
echo "\n\n";
echo $changeItem->updateQuery;
$query = $changeItem->db->convertUtf8mb4QueryToUtf8($changeItem->updateQuery);
$changeItem->db->setQuery($query);
try {
$changeItem->db->execute();
} catch (Exception $e) {
JFactory::getApplication()->enqueueMessage($e->getMessage(), 'warning');
}
echo "</pre>";
}
}
}
$this->fixSchemaVersion($changeSet);
return true;
}
private function removeOldColumns() {
$db = \Joomla\CMS\Factory::getDbo();
// REMOVE allowcomments from #__eventgallery_file
$columns = $db->getTableColumns('#__eventgallery_file');
if (array_key_exists('allowcomments', $columns)) {
$db->setQuery('ALTER TABLE ' . $db->quoteName($db->replacePrefix('#__eventgallery_file')) . ' DROP COLUMN ' . $db->quoteName('allowcomments'));
$db->execute();
JFactory::getApplication()->enqueueMessage('Removed obsolete column allowcomments in #__eventgallery_file');
}
}
/**
* Gets the changeset object.
*
* @return JSchemaChangeset
*/
public function getItems()
{
$db = JFactory::getDbo();
$folder = JPATH_ADMINISTRATOR . '/components/com_eventgallery/sql/updates/';
try
{
$changeSet = JSchemaChangeset::getInstance($db, $folder);
}
catch (RuntimeException $e)
{
JFactory::getApplication()->enqueueMessage($e->getMessage(), 'warning');
return false;
}
return $changeSet;
}
/**
* Get version from #__schemas table.
*
* @return mixed the return value from the query, or null if the query fails.
*
* @throws Exception
*/
public function getSchemaVersion()
{
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('version_id')
->from($db->quoteName('#__schemas'))
->where('extension_id = ' . $db->quote($this->getExtensionId()));
$db->setQuery($query);
$result = $db->loadResult();
return $result;
}
/**
* Fix schema version if wrong.
*
* @param JSchemaChangeSet $changeSet Schema change set.
*
* @return mixed string schema version if success, false if fail.
*/
public function fixSchemaVersion($changeSet)
{
// Get correct schema version -- last file in array.
$schema = $changeSet->getSchema();
$extensionid = $this->getExtensionId();
// Check value. If ok, don't do update.
if ($schema == $this->getSchemaVersion())
{
return $schema;
}
// Delete old row.
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->delete($db->quoteName('#__schemas'))
->where($db->quoteName('extension_id') . ' = ' . $db->quote($extensionid));
$db->setQuery($query);
$db->execute();
// Add new row.
$query->clear()
->insert($db->quoteName('#__schemas'))
->columns($db->quoteName('extension_id') . ',' . $db->quoteName('version_id'))
->values($db->quote($extensionid) . ', ' . $db->quote($schema));
$db->setQuery($query);
try
{
$db->execute();
}
catch (JDatabaseExceptionExecuting $e)
{
return false;
}
return $schema;
}
/**
* Get array of SQL queries
*
* @param array $sqlfiles Array of .sql update filenames.
*
* @return array Array of stdClass objects where:
* file=filename,
* update_query = text of SQL update query
*
* @since 2.5
*/
private function getUpdateQueries(array $sqlfiles)
{
// Hold results as array of objects
$result = array();
foreach ($sqlfiles as $file)
{
$buffer = file_get_contents($file);
// Create an array of queries from the sql file
$queries = JDatabaseDriver::splitSql($buffer);
foreach ($queries as $query)
{
$fileQueries = new stdClass;
$fileQueries->file = $file;
$fileQueries->updateQuery = $query;
$result[] = $fileQueries;
}
}
return $result;
}
private function moveLocalImageCacheFolder() {
$oldCacheFolder = JPATH_ROOT . '/cache/com_eventgallery_images';
$newCacheFolder = JPATH_ROOT . '/images/eventgallery_generated';
if (JFolder::exists($oldCacheFolder) && !JFolder::exists($newCacheFolder)) {
$result = rename( $oldCacheFolder, $newCacheFolder);
if ($result) {
$msg = "New image cache for local images! Moved the image cache folder from /cache/com_eventgallery_images to /images/eventgallery_generated. This is the new folder for generated thumbnails to keep them even if an update of Joomla wipes the cache.";
} else {
$msg = "New image cache for local images! Unable to move /cache/com_eventgallery_images to /images/eventgallery_generated. Please check manually to make sure, your folder for generated thumbnails is setup correctly.";
}
JFactory::getApplication()->enqueueMessage($msg);
}
}
}