Sindbad~EG File Manager

<?php
/**
 * @package RSDirectory!
 * @copyright (C) 2013-2021 www.rsjoomla.com
 * @license GPL, http://www.gnu.org/licenses/gpl-3.0.html
 */

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

class plgRsdirectoryImportSobiProInstallerScript
{
	/**
	 * @param $type
	 * @param $parent
	 *
	 * @return bool
	 */
	public function preflight($type, $parent) {
		if ($type == 'uninstall') {
			return true;
		}
		try {
			if (!file_exists(JPATH_ADMINISTRATOR.'/components/com_rsdirectory/helpers/version.php')) {
				throw new Exception('Please install RSDirectory! first before you attempt to install this plugin.');
				
			}
			
			require_once JPATH_ADMINISTRATOR.'/components/com_rsdirectory/helpers/version.php';
			if (version_compare(RSDirectoryVersion::$version, '2.0.0', '<')) {
				throw new Exception('Please update RSDirectory! to version <strong>2.0.0 or newer</strong> before you attempt to install this plugin.');
			}
		} catch (Exception $e) {
			JFactory::getApplication()->enqueueMessage($e->getMessage(), 'error');
			return false;
		}

		return true;
	}
	
	protected function escape($string) {
		return htmlentities($string, ENT_COMPAT, 'utf-8');
	}
	
	/**
     * The postflight hook.
     *
     * @access public
     *
     * @param string $type
     * @param object $parent
     *
     * @return  mixed
     */
    public function postflight($type, $parent)
    {
		if ($type == 'uninstall') {
			return true;
		}
		
		// Get the database object.
		$db = JFactory::getDbo();
		
		$messages = array();
		
		// remove the old rsdirectoryimportsobipro from the "system" group
		// Get the database object.
		$db = JFactory::getDbo();
		
		// remove the old rsdirectoryimportsobipro from the "system" group
		if ($type == 'install')
        {
			$query = $db->getQuery(true)
					->select( $db->qn('extension_id') )
					->from( $db->qn('#__extensions') )
					->where( $db->qn('element') . '=' . $db->q('rsdirectoryimportsobipro') )
					->where( $db->qn('folder') . '=' . $db->q('system') )
					->where( $db->qn('type') . '=' . $db->q('plugin') );

			$db->setQuery($query);

			if ( $extension_id = $db->loadResult() ) {
				// keep the current status
				$query = $db->getQuery(true)
					->select( $db->qn('enabled') )
					->from( $db->qn('#__extensions') )
					->where( $db->qn('extension_id') . '=' . $db->q($extension_id) );

				$db->setQuery($query);
				$enabled = $db->loadResult();
				
				if ($enabled)
				{
					$query = $db->getQuery(true)
						->update('#__extensions')
						->set( $db->qn('enabled') . '=' . $db->q(1) )
						->where( $db->qn('element') . '=' . $db->q('importsobipro') )
						->where( $db->qn('folder') . '=' . $db->q('rsdirectory') )
						->where( $db->qn('type') . '=' . $db->q('plugin') );

					$db->setQuery($query);
					$db->execute();
				}
				
				// Initialize JInstaller.
                $installer = new JInstaller();
				
				if ($installer->uninstall('plugin', $extension_id))
                {
					$messages['uninstalled'][] = (object)array(
						'name' => 'RSDirectory! SobiPro Import Plugin',
						'status' => 'ok',
						'text' => 'Uninstalled old "system" plugin.',
					);
				}
			}
		}
		
		$query = $db->getQuery(true);
		$query->select('extension_id')
			->from($db->qn('#__extensions'))
			->where($db->qn('type').' = '.$db->q('plugin'))
			->where($db->qn('folder').' = '.$db->q('rsdirectory'))
			->where($db->qn('element').' = '.$db->q('importsobipro'));
		$pluginId = $db->setQuery($query)->loadResult();

		?>
		<style type="text/css">
			.version-history {
				margin: 0 0 2em 0;
				padding: 0;
				list-style-type: none;
			}
			.version-history > li {
				margin: 0 0 0.5em 0;
				padding: 0 0 0 4em;
				text-align:left;
				font-weight:normal;
			}
			.version-new,
			.version-fixed,
			.version-upgraded {
				float: left;
				font-size: 0.8em;
				margin-left: -4.9em;
				width: 4.5em;
				color: white;
				text-align: center;
				font-weight: bold;
				text-transform: uppercase;
				-webkit-border-radius: 4px;
				-moz-border-radius: 4px;
				border-radius: 4px;
			}

			.version-new {
				background: #7dc35b;
			}
			.version-fixed {
				background: #e9a130;
			}
			.version-upgraded {
				background: #61b3de;
			}
			
			.uninstall-ok {
                background: #c38306;
                color: #fff;
                padding: 3px;
            }

            .uninstall-not-ok {
                background: #E9452F;
                color: #fff;
                padding: 3px;
            }
		</style>

		<h3>RSDirectory! SobiPro Import Plugin</h3>
		<ul class="version-history">
			<li><span class="version-upgraded">Upg</span> Joomla 4 Compatibility.</li>
		</ul>
		<?php if ( !empty($messages['uninstalled']) ) { ?>
			<?php foreach ($messages['uninstalled'] as $item) { ?>
				<p><?php echo $this->escape($item->name); ?> ...
					<b class="uninstall-<?php echo $item->status; ?>"><?php echo $item->text; ?></b>
				</p>
			<?php } ?>
		<?php } ?>
		<?php if ($pluginId) { ?>
			<a class="btn btn-primary" href="<?php echo JRoute::_('index.php?option=com_plugins&task=plugin.edit&extension_id='.$pluginId); ?>">Start using the RSDirectory! SobiPro Import Plugin.</a>
		<?php } ?>
		<a class="btn btn-outline-secondary" href="https://www.rsjoomla.com/support/documentation/rsdirectory/plugins-and-modules/sobipro-import-plugin.html" target="_blank">Read the documentation</a>
		<a class="btn btn-outline-secondary" href="https://www.rsjoomla.com/support.html" target="_blank">Get Support!</a>
		<div style="clear: both; margin-bottom:10px"></div>
		<?php
	}
}