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/home/develito/www/plugins/system/sunfw/includes/ajax/sample-data.php

<?php
/**
 * @version    $Id$
 * @package    SUN Framework
 * @author     JoomlaShine Team <support@joomlashine.com>
 * @copyright  Copyright (C) 2012 JoomlaShine.com. All Rights Reserved.
 * @license    GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
 *
 * Websites: http://www.joomlashine.com
 * Technical Support:  Feedback - http://www.joomlashine.com/contact-us/get-support.html
 */

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

// Import necessary Joomla libraries.
jimport('joomla.filesystem.archive');
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
jimport('joomla.cache.cache');

/**
 * Sample data installation.
 *
 * @package  SUN Framework
 * @since    1.0.0
 */
class SunFwAjaxSampleData extends SunFwAjax
{

/**
	 * Sample data package.
	 *
	 * @var  array
	 */
	protected $sample;

/**
	 * Sample data XML definition.
	 *
	 * @var  SimpleXMLElement
	 */
	protected $xml;

/**
	 * Temporary path where sample data package is extracted to.
	 *
	 * @var  string
	 */
	protected $temporary_path = '';

/**
	 * Get sample data packages.
	 *
	 * @param   boolean  $return  Whether to return data or send response back immediately?
	 *
	 * @return  mixed
	 */
	public function getAction($return = false)
	{
		/**
		 * Get all available sample data packages.
		 */
		// Get all packages.
		$packages = SunFwHelper::getSampleDataList($this->templateName);

if ($packages === false)
		{
			$packages = array();
		}

// Allow 3rd-party to add their own packages into sample data manager.
		$packages = array_merge($packages, $this->app->triggerEvent('SunFwGetSampleDataPackages'));

/**
		 * Get template parameters in 'extensions' table.
		 */
		$params = SunFwHelper::getExtensionParams('template', $this->templateName);

/**
		 * Prepare response data.
		 */
		$data = array(
			'url' => $this->baseUrl,
			'packages' => $packages,
			'lastInstalled' => isset($params['installedSamplePackage']) ? $params['installedSamplePackage'] : '',
			'textMapping' => array(
				'sample-data' => JText::_('SUNFW_SAMPLE_DATA_TAB'),
				'preview-sample' => JText::_('SUNFW_PREVIEW_SAMPLE'),
				'install-sample' => JText::_('SUNFW_INSTALL_SAMPLE'),
				'reinstall-sample' => JText::_('SUNFW_REINSTALL_SAMPLE'),
				'uninstall-sample' => JText::_('SUNFW_UNINSTALL_SAMPLE'),
				'install-label' => JText::_('SUNFW_INSTALL_LABEL'),
				'reinstall-label' => JText::_('SUNFW_REINSTALL_LABEL'),
				'uninstall-label' => JText::_('SUNFW_UNINSTALL_LABEL'),
				'important-notice' => JText::_('SUNFW_IMPORTANT_NOTICE'),
				'reinstall-sample-data' => JText::_('SUNFW_REINSTALL_SAMPLE_DATA'),
				'install-sample-notice-1' => JText::_('SUNFW_INSTALL_SAMPLE_NOTICE_1'),
				'install-sample-notice-2' => JText::_('SUNFW_INSTALL_SAMPLE_NOTICE_2'),
				'install-sample-notice-3' => JText::_('SUNFW_INSTALL_SAMPLE_NOTICE_3'),
				'install-sample-notice-4' => JText::_('SUNFW_INSTALL_SAMPLE_NOTICE_4'),
				'install-sample-confirm' => JText::_('SUNFW_INSTALL_SAMPLE_CONFIRMATION'),
				'install-sample-processing' => JText::_('SUNFW_INSTALL_SAMPLE_PROCESSING'),
				'install-structure-processing' => JText::_('SUNFW_INSTALL_STRUCTURE_PROCESSING'),
				'install-structure-data' => JText::_('SUNFW_INSTALL_STRUCTURE_DATA'),
				'download-sample-package' => JText::_('SUNFW_DOWNLOAD_SAMPLE_DATA_PACKAGE'),
				'upload-sample-package' => JText::_('SUNFW_UPLOAD_SAMPLE_DATA_PACKAGE'),
				'install-sample-outdate' => JText::_('SUNFW_CANT_INSTALL_SAMPLE_DATA_BECAUSE_PRODUCT_OUTDATED'),
				'please-update-product' => JText::_('SUNFW_UPDATE_PRODUCT_BEFORE_INSTALL_SAMPLE_DATA'),
				'install-sample-package' => JText::_('SUNFW_INSTALL_SAMPLE_DATA_PACKAGE'),
				'recommend-extensions' => JText::_('SUNFW_RECOMMEND_EXTENSIONS'),
				'install-extensions' => JText::_('SUNFW_INSTALL_REQUIRED_EXTENSIONS'),
				'failed-to-install-some-extensions' => JText::_('SUNFW_FAILED_TO_INSTALL_SOME_EXTENSIONS'),
				'download-demo-assets' => JText::_('SUNFW_DOWNLOAD_DEMO_ASSETS'),
				'download-sample-package-m' => JText::_('SUNFW_DOWNLOAD_SAMPLE_DATA_PACKAGE_MANUALLY'),
				'download-file' => JText::_('SUNFW_DOWNLOAD_FILE'),
				'select-sample-package' => JText::_('SUNFW_SELECT_SAMPLE_DATA_PACKAGE'),
				'please-select-package' => JText::_('SUNFW_PLEASE_SELECT_SAMPLE_PACKAGE'),
				'cleaning' => JText::_('SUNFW_CLEANING'),
				'new-installation' => JText::_('SUNFW_NEW_INSTALLATION'),
				'update' => JText::_('SUNFW_UPDATE'),
				'read-more' => JText::_('SUNFW_READ_MORE'),
				'install-sample-success' => JText::_('SUNFW_SAMPLE_DATA_INSTALLED_SUCCESSFULLY'),
				'install-sample-attention' => JText::_('SUNFW_SAMPLE_DATA_INSTALLED_WITH_ATTENTION'),
				'install-sample-failure' => JText::_('SUNFW_FAILED_TO_INSTALL_SAMPLE_DATA'),
				'uninstall-sample-success' => JText::_('SUNFW_SAMPLE_DATA_UNINSTALLED_SUCCESSFULLY'),
				'uninstall-sample-failure' => JText::_('SUNFW_FAILED_TO_UNINSTALL_SAMPLE_DATA'),
				'attention' => JText::_('SUNFW_ATTENTION'),
				'notice-for-unchecked-extension' => JText::_('SUNFW_NOTICE_FOR_UNCHECKED_EXTENSION'),
				'get-it-now' => JText::_('SUNFW_GET_IT_NOW'),
				'notice-for-commercial-extention' => JText::_('SUNFW_NOTICE_FOR_COMMERCIAL_EXTENSION'),
				'notice-for-free-extention' => JText::_('SUNFW_NOTICE_FOR_FREE_EXTENSION'),
				'uninstall-sample-data' => JText::_('SUNFW_UNINSTALL_SAMPLE_DATA'),
				'uninstall-sample-notice' => JText::_('SUNFW_UNINSTALL_SAMPLE_NOTICE'),
				'uninstall-sample-confirm' => JText::_('SUNFW_UNINSTALL_SAMPLE_CONFIRMATION'),
				'uninstall-sample-processing' => JText::_('SUNFW_UNINSTALL_SAMPLE_PROCESSING'),
				'restore-backed-up-data' => JText::_('SUNFW_RESTORE_BACKED_UP_DATA'),
				'sample-data-message' => JText::_('SUNFW_SAMPLE_DATA_MESSAGE'),
				'module-style-message' => JText::_('SUNFW_MODULE_STYLE_MESSAGE'),
				'install-structure' => JText::_('SUNFW_INSTALL_STRUCTURE'),
				'sample-data-unavailable-due-to-product-outdated' => JText::_('SUNFW_SAMPLE_DATA_UNAVAILABLE_DUE_TO_PRODUCT_OUTDATED')
			)
		);

if ($return)
		{
			return $data;
		}

$this->setResponse($data);
	}

/**
	 * Download sample data package.
	 *
	 * @return  void
	 */
	public function downloadPackageAction()
	{
		// Verify request.
		$this->verify();

// Generate path to store sample data package.
		$tmpPath = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/sample-data.zip";
		$task = $this->input->getCmd('task', 'download');

if (in_array($task, array(
			'download',
			'status'
		)))
		{
			$downloader = new SunFwAjaxDownloader();

if (!$downloader->indexAction($this->sample['download'], $tmpPath))
			{
				throw new Exception(JText::_('SUNFW_FAILED_TO_DOWNLOAD_SAMPLE_DATA'));
			}
		}
		elseif (!JFile::exists($tmpPath))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_DOWNLOAD_SAMPLE_DATA'));
		}

// Get extensions.
		$extensions = $this->getExtensions();

// Get 3rd-extensions
		$thirdExtensions = $this->get3rdExtensions();

$extensions = array_merge($extensions, $thirdExtensions);

$this->setResponse($extensions);
	}

/**
	 * Upload sample data package.
	 *
	 * @return  void
	 */
	public function uploadPackageAction()
	{
		// Verify request.
		$this->verify();

// Verify uploaded file.
		if (!isset($_FILES['package']))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_UPLOAD_SAMPLE_DATA'));
		}

// Verify file type.
		if (!preg_match('/.zip$/i', $_FILES['package']['name']))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_UPLOAD_SAMPLE_DATA'));
		}

// Make sure file is really uploaded successfully.
		if (!is_file($_FILES['package']['tmp_name']))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_UPLOAD_SAMPLE_DATA'));
		}

// Generate path to store sample data package.
		$tmpPath = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/sample-data.zip";

if (!move_uploaded_file($_FILES['package']['tmp_name'], $tmpPath))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_MOVE_SAMPLE_DATA'));
		}

// Get extensions.
		$extensions = $this->getExtensions();

// Get 3rd-extensions
		$thirdExtensions = $this->get3rdExtensions();

$extensions = array_merge($extensions, $thirdExtensions);

$this->setResponse($extensions);
	}

/**
	 * Install an extension.
	 *
	 * @return  void
	 */
	public function installExtensionAction($id = null, $silent = false)
	{
		// Verify request.
		$this->verify();

// Extract sample data.
		$this->extract();

// Get extension to install.
		if (empty($id))
		{
			$id = $this->input->getString('id');
		}

// Get necessary variables.
		$config = JFactory::getConfig();

// Disable debug system.
		$config->set('debug', 0);

// Get extension details.
		$extension = $this->xml->xpath("//extension[@identifiedname=\"{$id}\"]");

if (!$extension || !count((array) $extension))
		{
			$extension = $this->xml->xpath("//extension//dependency//parameter[@identifiedname=\"{$id}\"]");
		}

if (!$extension || !count((array) $extension))
		{
			throw new Exception('Invalid Parameter');
		}

$extension = current($extension);

$name = (string) $extension['name'];
		$type = (string) $extension['type'];

switch ($type)
		{
			case 'component':
				$name = 'com_' . $name;
			break;

case 'module':
				$name = 'mod_' . $name;
			break;

case 'plugin':
				$name = 'plg_' . $name;
			break;
		}

// Clean up all junk data left by the extension.
		$this->cleanExtensionJunk($name);

// Install JSN Extension Framework if not already installed.
		if ($type == 'component')
		{
			// Get details about JSN Extension Framework.
			$extfw = $this->xml->xpath('//extension[@identifiedname="ext_framework"]');

if ($extfw && count((array) $extfw))
			{
				$extfw = current($extfw);
				$state = $this->getExtensionState((string) $extfw['name'], (string) $extfw['version'], false, 'plugin-system');

if ($state != 'installed')
				{
					// Install JSN Extension Framework.
					$this->installExtensionAction('ext_framework', true);
				}
			}
		}

// Download package from JoomlaShine server.
		if ((string) $extension['author'] == '3rd')
		{
			$packageFile = SunFwApiLightcart::download3rdPackage($id, (string) $extension['version'],
				(string) $extension['parentidentifiedname']);
		}
		else
		{
			$packageFile = SunFwApiLightcart::downloadPackage($id, 'FREE', null, null, null, $silent);
		}

if (!is_file($packageFile))
		{
			throw new Exception(JText::sprintf('SUNFW_FAILED_TO_DOWNLOAD_EXTENSION_PACKAGE', (string) $extension['description']));
		}

// Load extension installation library.
		jimport('joomla.installer.helper');

// Rebuild menu structure.
		$this->rebuildMenus();

// Extract downloaded package.
		$unpackedInfo = JInstallerHelper::unpack($packageFile);
		$installer = JInstaller::getInstance();

if (empty($unpackedInfo) || !isset($unpackedInfo['dir']))
		{
			throw new Exception(sprintf(JText::_('SUNFW_FAILED_TO_EXTRACT_EXTENSION_PACKAGE'), (string) $extension['description']));
		}

// Install extracted package.
		$installResult = $installer->install($unpackedInfo['dir']);

if ($installResult === false)
		{
			foreach (JError::getErrors() as $e)
			{
				throw $e;
			}
		}

// Clean up temporary data.
		JInstallerHelper::cleanupInstall($packageFile, $unpackedInfo['dir']);

$this->activateExtension(array(
			'type' => $type,
			'name' => $name
		));

// Rebuild menu structure.
		$this->rebuildMenus();
	}

/**
	 * Import sample data package.
	 *
	 * @return  void
	 */
	public function importPackageAction()
	{
		try
		{
			// Verify request.
			$this->verify();

// Extract sample data.
			$this->extract();

// Get Joomla configuration.
			$config = JFactory::getConfig();

// Create a backup of the current Joomla database.
			$this->backupDatabase();

// Support for Mysql < 5.5.3
			$databaseVersion = $this->dbo->getVersion();

if (preg_match('/[0-9]\.[0-9]+\.[0-9]+/', $databaseVersion, $dbMatch))
			{
				$databaseVersion = $dbMatch[0];
			}

if (!empty($databaseVersion))
			{
				$expDatabaseVersion = explode('.', $databaseVersion);

if (isset($expDatabaseVersion[2]))
				{
					if ((int) $expDatabaseVersion[2] < 10)
					{
						$expDatabaseVersion[2] = $expDatabaseVersion[2] * 10;

$databaseVersion = implode('.', $expDatabaseVersion);
					}
				}
			}

// Loop thru all 3rd-party extensions get installation state.
			$thirdPartyExtensions = array();
			$thirdPartyExtErrors = array();

foreach ($this->xml->xpath('//extension[@author="3rd_party"]') as $component)
			{
				if (isset($component['author']) && $component['author'] == '3rd_party')
				{
					$attrs = (array) $component->attributes();
					$attrs = $attrs['@attributes'];

$extensionType = (string) $attrs['type'];
					$namePrefix = array(
						'component' => 'com_',
						'module' => 'mod_'
					);

if (isset($namePrefix[$extensionType]) && strpos((string) $attrs['name'], $namePrefix[$extensionType]) === false)
					{
						$componentName = $namePrefix[$extensionType] . (string) $attrs['name'];
					}
					else
					{
						$componentName = (string) $attrs['name'];
					}

$state = $this->getExtensionState($componentName, (string) $attrs['version'], true, (string) $attrs['type']);

$thirdPartyExtensions[] = array(
						'id' => (string) $attrs['name'],
						'state' => $state,
						'full_name' => (string) $attrs['full_name'],
						'version' => (string) $attrs['version'],
						'type' => $extensionType
					);
				}
			}

if (count((array) $thirdPartyExtensions))
			{
				foreach ($thirdPartyExtensions as $thirdPartyExtension)
				{
					if ($thirdPartyExtension['state'] == 'install')
					{
						$thirdPartyExtErrors[] = JText::sprintf('SUNFW_ERROR_3RD_PARTY_EXTENSION_NOT_INSTALLED',
							strtoupper($thirdPartyExtension['full_name']) . ' ' . $thirdPartyExtension['type'],
							$thirdPartyExtension['version']);
					}
					elseif ($thirdPartyExtension['state'] == 'update')
					{
						$thirdPartyExtErrors[] = JText::sprintf('SUNFW_ERROR_3RD_PARTY_EXTENSION_NEED_TO_UPDATE',
							strtoupper($thirdPartyExtension['full_name']) . ' ' . $thirdPartyExtension['type'],
							$thirdPartyExtension['version']);
					}
					elseif ($thirdPartyExtension['state'] == 'unsupported')
					{
						$thirdPartyExtErrors[] = JText::sprintf('SUNFW_ERROR_3RD_PARTY_EXTENSION_NOT_SUPPORTED',
							strtoupper($thirdPartyExtension['full_name']) . ' ' . $thirdPartyExtension['type'],
							$thirdPartyExtension['version']);
					}
				}
			}

if (count((array) $thirdPartyExtErrors))
			{
				$thirdPartyExtErrorMessage = '<ul>';

foreach ($thirdPartyExtErrors as $thirdPartyExtensionError)
				{
					$thirdPartyExtErrorMessage .= '<li>' . $thirdPartyExtensionError . '</li>';
				}

$thirdPartyExtErrorMessage .= '</ul>';

throw new Exception(JText::sprintf('SUNFW_ERROR_3RD_PARTY_EXTENSION', $thirdPartyExtErrorMessage));
			}

// Disable foreign key check.
			$this->dbo->setQuery('SET FOREIGN_KEY_CHECKS = 0;')->execute();

// Temporary backup data.
			$this->backupThirdPartyModules();
			$this->backupThirdPartyAdminModules();
			$this->backupThirdPartyMenus();

// Delete admin modules.
			$this->deleteThirdPartyAdminModules();

// Get current logged in user.
			$user = JFactory::getUser();

// Backup the users table.
			$users = $this->dbo->setQuery('SELECT * FROM #__users;')->loadAssocList();

// Loop thru all extensions to import data.
			$attentions = array();

foreach ($this->xml->xpath('//extension') as $extension)
			{
				// Get sample data queries.
				$queries = $extension->xpath('task[@name="dbinstall"]/parameters/parameter');

// Verify extension.
				$canInstall = true;
				$extensionType = (string) $extension['type'];
				$namePrefix = array(
					'component' => 'com_',
					'module' => 'mod_'
				);

if (isset($namePrefix[$extensionType]) && strpos((string) $extension['name'], $namePrefix[$extensionType]) === false)
				{
					$extensionName = $namePrefix[$extensionType] . (string) $extension['name'];
				}
				else
				{
					$extensionName = (string) $extension['name'];
				}

if (isset($extension['author']) && $extension['author'] == 'joomlashine')
				{
					// Check if JoomlaShine extension is installed.
					$canInstall = SunFwHelper::isExtensionInstalled($extensionName, $extensionType);

if ($canInstall == false && $extensionType == 'component')
					{
						// Add to attention list when extension is not installed
						$attentions[] = array(
							'id' => (string) $extension['name'],
							'name' => (string) $extension['description'],
							'url' => (string) $extension['producturl'],
							'author' => (string) $extension['author']
						);
					}
				}
				elseif (!empty($extension['type']))
				{
					// Check if 3rd-party component is installed.
					$canInstall = SunFwHelper::isExtensionInstalled($extensionName, (string) $extension['type']);

if (!$canInstall)
					{
						// Add to attention list.
						$tmpAttentions = array(
							'id' => (string) $extension['name'],
							'name' => (string) $extension['title'],
							'type' => (string) $extension['type'],
							'url' => (string) $extension['producturl'],
							'author' => (string) $extension['author'],
							'autoinstall' => (string) $extension['autoinstall'],
							'commercial' => (string) $extension['commercial'],
							'modules' => $extension->xpath('modules/module'),
							'plugins' => $extension->xpath('plugins/plugin'),
							'display' => ( $extension['type'] !== 'component' || count((array) $queries) ) ? true : false,
							'version' => JText::sprintf('SUNFW_SAMPLE_DATA_SUGGEST_SUPPORTED_VERSION', (string) $extension['version'])
						);

if ((string) $extension['author'] == '3rd' && (string) $extension['commercial'] == 'false')
						{
							if (empty($tmpAttentions['url']))
							{
								$tmpAttentions['url'] = $this->get3rdPackageURL((string) $extension['identifiedname'],
									(string) $extension['version'], (string) $extension['parentidentifiedname']);
							}
						}

$attentions[] = $tmpAttentions;
					}
					else
					{
						// Verify installed 3rd-party extension's version.
						$state = $this->getExtensionState($extensionName, (string) $extension['version'], true,
							(string) $extension['type']);

if ('update' == $state)
						{
							// Add to attention list.
							$tmpAttentions = array(
								'id' => (string) $extension['name'],
								'name' => (string) $extension['title'],
								'type' => (string) $extension['type'],
								'url' => (string) $extension['producturl'],
								'author' => (string) $extension['author'],
								'autoinstall' => (string) $extension['autoinstall'],
								'commercial' => (string) $extension['commercial'],
								'modules' => $extension->xpath('modules/module'),
								'plugins' => $extension->xpath('plugins/plugin'),
								'message' => JText::sprintf('SUNFW_UPDATE_3RD_PARTY_EXTENSION_FIRST',
									$this->getExtensionVersion($extensionName), (string) $extension['version']),
								'display' => ( $extension['type'] !== 'component' || count((array) $queries) ) ? true : false,
								'outdate' => true
							);

if ((string) $extension['author'] == '3rd' && (string) $extension['commercial'] == 'false')
							{
								if (empty($tmpAttentions['url']))
								{
									$tmpAttentions['url'] = $this->get3rdPackageURL((string) $extension['identifiedname'],
										(string) $extension['version'], (string) $extension['parentidentifiedname']);
								}
							}

$attentions[] = $tmpAttentions;
							$canInstall = false;
						}
						elseif ('unsupported' == $state)
						{
							// Add to attention list.
							$tmpAttentions = array(
								'id' => (string) $extension['name'],
								'name' => (string) $extension['title'],
								'type' => (string) $extension['type'],
								'url' => (string) $extension['producturl'],
								'author' => (string) $extension['author'],
								'autoinstall' => (string) $extension['autoinstall'],
								'commercial' => (string) $extension['commercial'],
								'modules' => $extension->xpath('modules/module'),
								'plugins' => $extension->xpath('plugins/plugin'),
								'message' => JText::sprintf('SUNFW_UNSUPPORTED_3RD_PARTY_EXTENSION_VERSION',
									$this->getExtensionVersion($extensionName), (string) $extension['version']),
								'display' => ( $extension['type'] !== 'component' || count((array) $queries) ) ? true : false,
								'outdate' => true
							);

if ((string) $extension['author'] == '3rd' && (string) $extension['commercial'] == 'false')
							{
								if (empty($tmpAttentions['url']))
								{
									$tmpAttentions['url'] = $this->get3rdPackageURL((string) $extension['identifiedname'],
										(string) $extension['version'], (string) $extension['parentidentifiedname']);
								}
							}

$attentions[] = $tmpAttentions;
							$canInstall = false;
						}
						else
						{
							// Make sure all required modules are installed also.
							$missing = array();

foreach ($extension->xpath('modules/module') as $module)
							{
								if (!@is_dir(JPATH_ROOT . '/modules/' . (string) $module))
								{
									if ((string) $module['title'] != '')
									{
										$missing[] = (string) $module['title'];
									}
								}
							}

foreach ($extension->xpath('plugins/plugin') as $plugin)
							{
								if (!@is_dir(JPATH_ROOT . '/plugins/' . (string) $plugin['group'] . '/' . (string) $plugin))
								{
									if ((string) $plugin['title'] != '')
									{
										$missing[] = (string) $plugin['title'];
									}
								}
							}

if (count((array) $missing))
							{
								// Add to attention list.
								$tmpAttentions = array(
									'id' => (string) $extension['name'],
									'name' => (string) $extension['title'],
									'type' => (string) $extension['type'],
									'url' => '',
									'author' => (string) $extension['author'],
									'modules' => $extension->xpath('modules/module'),
									'plugins' => $extension->xpath('plugins/plugin'),
									'missing' => $missing,
									'message' => JText::_('SUNFW_MISSING_3RD_PARTY_EXTENSION_DEPENDENCIES'),
									'display' => ( $extension['type'] !== 'component' || count((array) $queries) ) ? true : false
								);

$attentions[] = $tmpAttentions;
								$canInstall = false;
							}
						}
					}
				}

if ($canInstall)
				{
					// Clear the current default template style then backup current template styles.
					if ('sunfw' == (string) $extension['name'] && !isset($stylesBackup))
					{
						// Clear the current default template style.
						$q = $this->dbo->getQuery(true);

$q->update('#__template_styles')
							->set('home = 0')
							->where('client_id = 0')
							->where('home = 1');

$this->dbo->setQuery($q);
						$this->dbo->execute();

// Backup current template styles.
						$q = $this->dbo->getQuery(true);

$q->select('*')
							->from('#__template_styles')
							->where('1');

$this->dbo->setQuery($q);

$stylesBackup = $this->dbo->loadObjectList();
					}

// Execute sample data queries.
					$pattern = '#(http://demo.joomlashine.com/[^\s\t\r\n]+/media/joomlashine/)[^\s\t\r\n]+\.(js|css|bmp|gif|ico|jpg|png|svg|ttf|otf|eot|woff)#';

foreach ($queries as $query)
					{
						// If the users table is to be dropped, set a flag to restore users later.
						if (stripos($query, 'DROP TABLE ') !== false && stripos($query, '_users') !== false)
						{
							$restoreUsers = true;
						}

// Never drop sunfw_styles table.
						if (stripos($query, 'DROP TABLE ') !== false && stripos($query, '_sunfw_styles') !== false)
						{
							$query = 'TRUNCATE TABLE `#__sunfw_styles`;';
						}

// Find remote assets then download to local system.
						if (preg_match_all($pattern, $query, $matches, PREG_SET_ORDER))
						{
							foreach ($matches as $match)
							{
								$keepAsIs = false;

if (!isset($this->mediaFolder))
								{
									// Detect a writable folder to store demo assets.
									foreach (array(
										'media',
										'cache',
										'tmp'
									) as $folder)
									{
										$folder = JPATH_ROOT . "/{$folder}";

if (is_dir($folder) && is_writable($folder) && JFolder::create("{$folder}/joomlashine"))
										{
											$this->mediaFolder = "{$folder}/joomlashine";

break;
										}
									}
								}

if (isset($this->mediaFolder))
								{
									// Generate path to store demo asset.
									$mediaFile = str_replace($match[1], "{$this->mediaFolder}/", $match[0]);

// Download demo asset once.
									if (!is_file($mediaFile))
									{
										try
										{
											$data = SunFwHttp::get($match[0]);

// Write downloaded data to local file.
											if (!JFile::write($mediaFile, $data))
											{
												throw new Exception(JText::_('SUNFW_FAILED_TO_STORE_DOWNLOADED_FILE'));
											}
										}
										catch (Exception $e)
										{
											$keepAsIs = true;
										}
									}

// Alter sample data query.
									if (!$keepAsIs)
									{
										$query = str_replace($match[0], str_replace(JPATH_ROOT . '/', '', $mediaFile), $query);
									}
								}
							}
						}

// Support for MySQL < 5.5.3
						if (version_compare($databaseVersion, '5.5.30', '<'))
						{
							$query = str_replace('utf8mb4', 'utf8', str_replace('utf8mb4_unicode_ci', 'utf8_general_ci', (string) $query));
						}

// Remove all <base> tags in query.
						if (strpos((string) $query, '<base href=') !== false)
						{
							$tmp = explode('<base href=', (string) $query);
							$query = $tmp[0];

for ($i = 1, $n = count($tmp); $i < $n; $i++)
							{
								$tmp[$i] = explode(' />', $tmp[$i], 2);
								$query .= array_pop($tmp[$i]);
							}
						}

// Execute query.
						$this->dbo->setQuery((string) $query)->execute();
					}

// Copy embedded files if has.
					foreach ($extension->xpath('files/file') as $file)
					{
						if (JFile::exists($this->temporary_path . '/' . $file))
						{
							JFile::move($this->temporary_path . '/' . $file, JPATH_ROOT . '/' . $file);
						}
					}

// Update component ID for linked menu items.
					if ($extension['type'] == 'component')
					{
						// Get component ID.
						$q = $this->dbo->getQuery(true);

$q->select('extension_id')
							->from('#__extensions')
							->where('type = ' . $q->quote('component'))
							->where('element = ' . $q->quote($extensionName));

$this->dbo->setQuery($q);

$component_id = $this->dbo->loadResult();

// Update component ID for all menu items that link to this component.
						$q = $this->dbo->getQuery(true);

$q->update('#__menu')
							->set('component_id = ' . $q->quote($component_id))
							->where('type = ' . $q->quote('component'))
							->where("link LIKE 'index.php?option={$extensionName}&%'");

$this->dbo->setQuery($q)->execute();
					}

// Copy images if has.
					if (isset($extension['images']))
					{
						$dirs = explode(',', (string) $extension['images']);

foreach ($dirs as $dir)
						{
							$src = trim($dir);

if (empty($src))
							{
								continue;
							}

$src = $this->temporary_path . '/' . $src;
							$dst = JPATH_ROOT . '/' . $dir;

if (!JFolder::exists($src))
							{
								continue;
							}

if (JFolder::exists($dst))
							{
								// Backup existing folder.
								JFolder::move($dst, $dst . '-backup-' . date('y-m-d_H-i-s'));

// Delete current folder.
								JFolder::delete($dst);
							}

// Move sample images folder.
							JFolder::move($src, $dst);
						}
					}

// Download and install extended style if has.
					if (isset($extension['ext-style-package']))
					{
						// Download extended style package.
						$fileUrl = 'https://www.joomlashine.com/index.php?option=com_lightcart&controller=remoteconnectauthentication&task=authenticate&tmpl=component&upgrade=yes&identified_name=ext_style&edition=&joomla_version='
							. SunFwHelper::getJoomlaVersion(2) . '&file_attr={"identified_template_name":"' . $this->template->id . '","ext_style":"' . (string) $extension['ext-style-package'] . '"}';

// Download file to temporary folder.
						$data = SunFwHttp::get($fileUrl);
						$path = $config->get('tmp_path') . "/{$this->template->id}/" . (string) $extension['ext-style-package'] . '_ext_style.zip';

// Write downloaded data to local file.
						if (!JFile::write($path, $data))
						{
							throw new Exception(JText::_('SUNFW_FAILED_TO_STORE_DOWNLOADED_FILE'));
						}

// Install extended style.
						JArchive::extract($path, JPATH_ROOT . '/' . (string) $extension['ext-style-path']);

// Fix for old extended style package of OS Property.
						if (false !== strpos((string) $extension['ext-style-path'], '/com_osproperty/'))
						{
							$tpl = $this->template->template;

if (@file_exists(JPATH_ROOT . '/' . (string) $extension['ext-style-path'] . "/{$tpl}/template.xml"))
							{
								JFile::copy(JPATH_ROOT . '/' . (string) $extension['ext-style-path'] . "/{$tpl}/template.xml",
									JPATH_ROOT . '/' . (string) $extension['ext-style-path'] . "/{$tpl}/{$tpl}.xml");
							}
						}

// Remove downloaded extended style package.
						JFile::delete($path);
					}

// Manipulate data for K2.
					if ('com_k2' == $extensionName)
					{
						// Update user mapping for K2 items table.
						$q = $this->dbo->getQuery(true);

$q->update('#__k2_items')->set('created_by = ' . $q->quote($user->id));

$this->dbo->setQuery($q)->execute();

// Update user mapping for K2 users table.
						$q = $this->dbo->getQuery(true);

$q->update('#__k2_users')->set('userID = ' . $q->quote($user->id));

$this->dbo->setQuery($q)->execute();

// Update user mapping for K2 comments table.
						$q = $this->dbo->getQuery(true);

$q->update('#__k2_comments')->set('userID = ' . $q->quote($user->id));

$this->dbo->setQuery($q)->execute();

// Update user mapping for K2 items table.
						$q = $this->dbo->getQuery(true);

$q->update('#__k2_items')->set('modified_by = ' . $q->quote($user->id));

$this->dbo->setQuery($q)->execute();
					}

// Manipulate data for OS Property.
					elseif ('com_osproperty' == $extensionName)
					{
						// Update user mapping for agents table.
						$q = $this->dbo->getQuery(true);

$q->update('#__osrs_agents')->set('user_id = ' . $q->quote($user->id));

$this->dbo->setQuery($q)->execute();
					}

// Manipulate data for TZ Portfolio Plus.
					elseif ('com_tz_portfolio_plus' == $extensionName)
					{
						// Set the current logged in user as article creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__tz_portfolio_plus_content')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as category creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__tz_portfolio_plus_categories')
								->set('created_user_id = ' . $user->id)
								->set('modified_user_id = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_user_id != ' . $user->id, 'OR')
								->where('modified_user_id != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as field creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__tz_portfolio_plus_fields')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();
					}

// Manipulate data for Event Booking.
					elseif ('com_eventbooking' == $extensionName)
					{
						// Set the current logged in user as event creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__eb_events')
								->set('created_by = ' . $user->id)
								->where('created_by != ' . $user->id)
						)->execute();
					}

// Manipulate data for redSHOP.
					elseif ('com_redshop' == $extensionName)
					{
						// Set the current logged in user as category creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_category')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as coupon creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_coupons')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as currency creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_currency')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as field creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_fields')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as field group creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_fields_group')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as manufacturer creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_manufacturer')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as mass discount creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_mass_discount')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as order status creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_order_status')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Clear checked out status for products.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__redshop_product')
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('checked_out != 0')
						)->execute();
					}

// Manipulate data for JTicketing.
					elseif ('com_jticketing' == $extensionName)
					{
						// Set the current logged in user as coupon creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__jticketing_coupon')
								->set('created_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as event creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__jticketing_events')
								->set('created_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as reminder type creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__jticketing_reminder_types')
								->set('created_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();

// Set the current logged in user as venue creator.
						$this->dbo->setQuery(
							$this->dbo->getQuery(true)
								->update('#__jticketing_venues')
								->set('created_by = ' . $user->id)
								->set('modified_by = ' . $user->id)
								->set('checked_out = 0')
								->set("checked_out_time = '0000-00-00 00:00:00'")
								->where('created_by != ' . $user->id, 'OR')
								->where('modified_by != ' . $user->id, 'OR')
								->where('checked_out != 0', 'OR')
						)->execute();
					}

// Unpublish menu item replacement published before.
					if (isset($extension['menu-replacement']))
					{
						$items = array_map('intval', explode(',', (string) $extension['menu-replacement']));
						$q = $this->dbo->getQuery(true);

$q->update('#__menu')
							->set('published = 0')
							->where('id IN (' . implode(', ', $items) . ')')
							->where('published = 1');

$this->dbo->setQuery($q)->execute();
					}

// Unpublish module replacement published before.
					if (isset($extension['module-replacement']))
					{
						$items = array_map('intval', explode(',', (string) $extension['module-replacement']));
						$q = $this->dbo->getQuery(true);

$q->update('#__modules')
							->set('published = 0')
							->where('id IN (' . implode(', ', $items) . ')')
							->where('published = 1');

$this->dbo->setQuery($q)->execute();
					}
				}
				else
				{
					// Check if sample data contains menu item replacement for use when extension is missing.
					if (isset($extension['menu-replacement']))
					{
						if (isset($menu_replacement))
						{
							$menu_replacement = array_merge($menu_replacement,
								array_map('intval', explode(',', (string) $extension['menu-replacement'])));
						}
						else
						{
							$menu_replacement = array_map('intval', explode(',', (string) $extension['menu-replacement']));
						}
					}

// Check if sample data contains module replacement for use when extension is missing.
					if (isset($extension['module-replacement']))
					{
						if (isset($module_replacement))
						{
							$module_replacement = array_merge($module_replacement,
								array_map('intval', explode(',', (string) $extension['module-replacement'])));
						}
						else
						{
							$module_replacement = array_map('intval', explode(',', (string) $extension['module-replacement']));
						}
					}

// Check if sample data contains home page replacement for use when extension is missing.
					if (isset($extension['home-replacement']))
					{
						$home_replacement = (int) $extension['home-replacement'];
					}
				}
			}

// Publish menu item replacement.
			if (isset($menu_replacement))
			{
				$q = $this->dbo->getQuery(true);

$q->update('#__menu')
					->set('published = 1')
					->where('id IN (' . implode(', ', $menu_replacement) . ')');

$this->dbo->setQuery($q)->execute();
			}

// Publish module replacement.
			if (isset($module_replacement))
			{
				$q = $this->dbo->getQuery(true);

$q->update('#__modules')
					->set('published = 1')
					->where('id IN (' . implode(', ', $module_replacement) . ')');

$this->dbo->setQuery($q)->execute();
			}

// Publish home page replacement.
			if (isset($home_replacement))
			{
				$q = $this->dbo->getQuery(true);

$q->update('#__menu')
					->set('home = 1')
					->set('published = 1')
					->where("id = {$home_replacement}");

$this->dbo->setQuery($q)->execute();
			}

// Restore the users table if necessary.
			if (isset($restoreUsers) && $restoreUsers)
			{
				foreach ($users as $u)
				{
					$this->dbo->setQuery(
						'REPLACE INTO #__users
						(' . implode(', ', array_map(array($this->dbo, 'quoteName'), array_keys($u))) . ')
						VALUES
						(' . implode(', ', array_map(array($this->dbo, 'quote'), array_values($u))) . ');'
					)->execute();
				}
			}

// Set the current logged in user as article creator.
			$this->dbo->setQuery(
				$this->dbo->getQuery(true)
					->update('#__content')
					->set('created_by = ' . $user->id)
					->set('modified_by = ' . $user->id)
					->set('checked_out = 0')
					->set("checked_out_time = '0000-00-00 00:00:00'")
					->where('created_by != ' . $user->id, 'OR')
					->where('modified_by != ' . $user->id, 'OR')
					->where('checked_out != 0')
			)->execute();

// Set the current logged in user as category creator.
			$this->dbo->setQuery(
				$this->dbo->getQuery(true)
					->update('#__categories')
					->set('created_user_id = ' . $user->id)
					->set('modified_user_id = ' . $user->id)
					->set('checked_out = 0')
					->set("checked_out_time = '0000-00-00 00:00:00'")
					->where('created_user_id != ' . $user->id, 'OR')
					->where('modified_user_id != ' . $user->id, 'OR')
					->where('checked_out != 0', 'OR')
			)->execute();

// Clear checked out status for module instances.
			$this->dbo->setQuery(
				$this->dbo->getQuery(true)
					->update('#__modules')
					->set('checked_out = 0')
					->set("checked_out_time = '0000-00-00 00:00:00'")
					->where('checked_out != 0')
			)->execute();

// Restore styles backup.
			if (isset($stylesBackup))
			{
				foreach ($stylesBackup as $style)
				{
					// Check if style record is replaced by sample data.
					$style = (array) $style;
					$q = $this->dbo->getQuery(true);

$q->select('id')->from('#__template_styles');

foreach ($style as $key => $val)
					{
						$q->where("`{$key}` = " . $this->dbo->quote($val));
					}

$this->dbo->setQuery($q);

if (!$this->dbo->loadResult())
					{
						// Clear previous ID and home status.
						unset($style['id']);
						unset($style['home']);

// Build insert query.
						$q = $this->dbo->getQuery(true);

$q->insert('#__template_styles')
							->columns(array_keys($style))
							->values('"' . implode('","', array_values($style)) . '"');

$this->dbo->setQuery($q)->execute();
					}
				}
			}

// Update Joomla's database schemas if necessary.
			$this->dbo->setQuery('SELECT version_id FROM #__schemas WHERE extension_id = 700');

if (($version = $this->dbo->loadResult())
				&& version_compare(SunFwHelper::getJoomlaVersion(), $version, '>'))
			{
				$installer = JInstaller::getInstance();

if ($manifest = $installer->isManifest(JPATH_MANIFESTS . '/files/joomla.xml'))
				{
					// Get schema paths.
					$schemapaths = $manifest->update->schemas->children();

if (count( (array) $schemapaths))
					{
						$dbDriver = strtolower($this->dbo->name);

if ($this->dbo->getServerType() === 'mysql')
						{
							$dbDriver = 'mysql';
						}

$schemapath = '';

foreach ($schemapaths as $entry)
						{
							$attrs   = $entry->attributes();
							$uDriver = strtolower($attrs['type']);

if ($uDriver === 'mysqli' || $uDriver === 'pdomysql')
							{
								$uDriver = 'mysql';
							}

if ($uDriver == $dbDriver)
							{
								$schemapath = $entry;

break;
							}
						}

$files = JFolder::files(JPATH_ROOT . "/{$schemapath}", '\.sql$');	
						if (!empty($schemapath)
							&& !empty($files))
						{
							$files = str_replace('.sql', '', $files);

usort($files, 'version_compare');

// Loop thru schema update files and import if necessary.
							foreach ($files as $file)
							{
								if (version_compare($file, $version, '>')
									&& $buffer = file_get_contents(JPATH_ROOT . "/{$schemapath}/{$file}.sql"))
								{
									// Create an array of queries from the SQL file.
									$queries = JDatabaseDriver::splitSql($buffer);

if (!count((array) $queries))
									{
										// No queries to process.
										continue;
									}

// Process each query in the $queries array (split out of SQL file).
									foreach ($queries as $query)
									{
										$this->dbo->setQuery($this->dbo->convertUtf8mb4QueryToUtf8($query));

try
										{
											$this->dbo->execute();
										}
										catch (Exception $e)
										{
											// Do nothing.
										}
									}
								}
							}

// Update the database.
							$query = $this->dbo->getQuery(true)
								->delete('#__schemas')
								->where('extension_id = 700');

$this->dbo->setQuery($query);

if ($this->dbo->execute())
							{
								$query->clear()
									->insert($this->dbo->quoteName('#__schemas'))
									->columns(array($this->dbo->quoteName('extension_id'), $this->dbo->quoteName('version_id')))
									->values('700, ' . $this->dbo->quote(end($files)));

$this->dbo->setQuery($query);
								$this->dbo->execute();
							}
						}
					}
				}
			}

// Copy sampe image.
			$this->copySampleImages();

// Restore 3rd-party extension and rebuild menu data.
			$this->restoreThirdPartyData();
			$this->rebuildMenus();

// Store installed sample data package.
			SunFwHelper::updateExtensionParams(array(
				'installedSamplePackage' => $this->sample['id']
			), 'template', $this->template->template);

// Re-compile Sass.
			$sunStyles = SunFwHelper::getSunFwStyleListByName($this->template->template);

if (count((array) $sunStyles))
			{
				foreach ($sunStyles as $sunStyle)
				{
					$sufwrender = new SunFwScssrender();
					$sufwrender->compile($sunStyle->style_id, $this->template->template);
					$sufwrender->compile($sunStyle->style_id, $this->template->template, "layout");
				}
			}

// Get ID of the default template style.
			$q = $this->dbo->getQuery(true);

$q->select('id')
				->from('#__template_styles')
				->where('client_id = 0')
				->where('home = 1');

$this->dbo->setQuery($q);

$styleId = (int) $this->dbo->loadResult();
			$editing = $this->input->getInt('style_id');

if ($styleId && $styleId != $editing)
			{
				$editing = $styleId;
			}

// Set edit ID.
			$this->app->setUserState('com_templates.edit.style.id', $editing);
		}
		catch (Exception $e)
		{
			// Restore backed up data.
			$this->restoreBackupAction();

$error = $e;
		}

// Clean-up sample data installation.
		$this->cleanupSampleDataInstallation($attentions);

// Check if there was any error occurred while importing sample data?
		if (isset($error) && is_a($error, 'Exception'))
		{
			if (method_exists($error, 'getQuery'))
			{
				throw new Exception((string) $error->getQuery() . ': ' . $error->getMessage());
			}

throw $error;
		}

// Set final response.
		$this->setResponse(array(
			'attention' => array_values($attentions),
			'styleId' => $editing
		));
	}

/**
	 * Restore database backup.
	 *
	 * @return  void
	 */
	public function restoreBackupAction()
	{
		// Verify request.
		$this->verify();

// Look for the latest backup file.
		$backups = glob(JPATH_SITE . "/templates/{$this->template->template}/backups/{$this->sample['id']}/*.zip");

if (!$backups || !count((array) $backups))
		{
			throw new Exception(JText::_('SUNFW_NOT_FOUND_ANY_DATABASE_BACKUP_FILE'));
		}

rsort($backups);
		reset($backups);

// Extract backup file to temporary directory.
		$lastBak = current($backups);
		$tmpPath = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/{$this->sample['id']}/backups";

if (!JArchive::extract($lastBak, $tmpPath))
		{
			throw new Exception(JText::_('SUNFW_FAILED_TO_EXTRACT_DATABASE_BACKUP_FILE'));
		}

// Loop thru extracted backup files to restore.
		$backups = glob("{$tmpPath}/*.sql");

if (!$backups || !count((array) $backups))
		{
			$tmpPath = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/{$this->sample['id']}/backups/backups";
			$backups = glob("{$tmpPath}/*.sql");

if (!$backups || !count((array) $backups))
			{
				throw new Exception(JText::_('SUNFW_NOT_FOUND_ANY_DATABASE_BACKUP_FILE'));
			}
		}

rsort($backups);
		reset($backups);

try
		{
			// Disable foreign key check.
			$this->dbo->setQuery('SET FOREIGN_KEY_CHECKS = 0;')->execute();

foreach ($backups as $backup)
			{
				$query = '';

foreach (explode("\n", JFile::read($backup)) as $line)
				{
					$line = trim($line);

if (substr($line, -1) != ';')
					{
						$query .= "\n" . $line;
					}
					else
					{
						$this->dbo->setQuery("{$query}\n{$line}")->execute();

$query = '';
					}
				}
			}

// Get extension template params.
			$params = SunFwHelper::getExtensionParams('template', $this->template->template);

// Set last installed sample package to response.
			$this->setResponse(isset($params['installedSamplePackage']) ? $params['installedSamplePackage'] : '');

// Cleanup extracted backup files.
			JFolder::delete($tmpPath);

// Remove backup file just restored.
			JFile::delete($lastBak);

// Discover extensions installed after backup time.
			JLoader::register('InstallerModelDiscover', JPATH_ADMINISTRATOR . '/components/com_installer/models/discover.php');
			JLoader::load('InstallerModelDiscover');

if (class_exists('InstallerModelDiscover'))
			{
				$model = new InstallerModelDiscover();

$model->discover();
                $extensions = $model->getItems();
				if (count((array) $extensions))
				{
					// Reinstall extensions installed after backup time.
					foreach ($extensions as $k => $extension)
					{
						$this->input->set('cid', $extension->extension_id);
						$this->input->set('tool_redirect', 0);
						$model->discover_install();
					}
				}
			}
		}
		catch (Exception $e)
		{
			if (method_exists($e, 'getQuery'))
			{
				throw new Exception((string) $e->getQuery() . ': ' . $e->getMessage());
			}

throw $e;
		}
	}

/**
	 * Install Structure of template
	 *
	 * @throws Exception
	 */
	public function installStructureAction()
	{
		$structureID = $this->input->getString('structure_id', '');

if (empty($structureID))
		{
			throw new Exception('Invalid Request');
		}

$path = JPATH_ROOT . '/templates/' . $this->templateName . '/structures/' . $structureID . '.json';

if (is_file($path))
		{
			// Read template parameters in file
			$params = file_get_contents($path);

if (!$params)
			{
				throw new Exception(JText::_('SUNFW_READ_FILE_FAIL'));
			}
		}
		else
		{
			$tmpSystemData = json_encode(array(
				'niche-style' => $structureID
			));

$tmpObj = new stdClass();
			$tmpObj->template = $this->templateName;
			$tmpObj->layout_builder_data = '';
			$tmpObj->appearance_data = '';
			$tmpObj->mega_menu_data = '';
			$tmpObj->system_data = $tmpSystemData;

$params = json_encode($tmpObj);
		}

if (substr($params, 0, 1) != '{' or substr($params, -1) != '}')
		{
			throw new Exception(JText::_('SUNFW_INVALID_FILE_CONTENT'));
		}

// Download images used in params.
		if (preg_match_all('/"([^"]+)\.(bmp|gif|ico|jpe?g|png)/', $params, $matches, PREG_SET_ORDER))
		{
			foreach ($matches as $match)
			{
				$image = "{$match[1]}.{$match[2]}";

while (strpos($image, '\\') !== false)
				{
					$image = stripslashes($image);
				}

if (strpos($image, "templates/{$this->templateName}/") === 0)
				{
					continue;
				}

// Generate path to store demo asset.
				$mediaFile = JPATH_ROOT . "/{$image}";

// Download demo asset once.
				if (!is_file($mediaFile))
				{
					try
					{
						// Prepare demo site URL to download demo asset from.
						$link = 'http://demo.joomlashine.com/joomla-templates/';

if (preg_match('/^(jsn_)([^\d]+)(\d+)_(pro)$/', $this->templateName, $match))
						{
							$link .= "{$match[1]}{$match[2]}_{$match[3]}/{$match[4]}";
						}
						else
						{
							$link .= preg_replace('/^(jsn_)(.+)_(pro)$/', '\\1\\2/\\3', $this->templateName);
						}

if (stripos($this->templateName, $structureID) === false)
						{
							$link .= '/' . strtolower($structureID);
						}

// Download demo asset.
						$data = SunFwHttp::get("{$link}/{$image}");

// Write downloaded data to local file.
						if (JFolder::create(dirname($mediaFile)))
						{
							JFile::write($mediaFile, $data);
						}
					}
					catch (Exception $e)
					{
						// Do nothing.
					}
				}
			}
		}

// Store the loaded structure to database.
		$style = SunFwHelper::getSunFwStyle($this->styleID);
		$params = json_decode($params, true);

unset($params['id']);

$params['style_id'] = $this->styleID;
		$params['template'] = $this->templateName;
		$params['mega_menu_data'] = '';

// Clear tracking code in system params.
		$params['system_data'] = is_array($params['system_data']) ? $params['system_data'] : json_decode($params['system_data'], true);

if (@count((array) $params['system_data']))
		{
			foreach ($params['system_data'] as $k => $v)
			{
				if (empty($v) || !is_string($v))
				{
					continue;
				}

if (strpos($v, '') !== false)
				{
					list($params['system_data'][$k], $v) = explode('', $v, 2);
					$v = explode('', $v, 2);
					$params['system_data'][$k] .= $v[1];
				}
				elseif (strpos($v, '') !== false)
				{
					list($params['system_data'][$k], $v) = explode('', $v, 2);
					$v = explode('', $v, 2);
					$params['system_data'][$k] .= $v[1];
				}
			}
		}

$params['system_data'] = is_array($params['system_data']) ? json_encode($params['system_data']) : $params['system_data'];

// Drop any column that is not exists in database table.
		$columns = $this->dbo->getTableColumns('#__sunfw_styles');

foreach (array_keys($params) as $column)
		{
			if (!array_key_exists($column, $columns))
			{
				unset($params[$column]);
			}
		}

if (count( (array) $style))
		{
			try
			{
				$params = (object) $params;

$this->dbo->updateObject('#__sunfw_styles', $params, 'style_id');

// Re-compile Sass
				$sufwrender = new SunFwScssrender();

$sufwrender->compile($this->styleID, $this->templateName);
				$sufwrender->compile($this->styleID, $this->templateName, 'layout');
			}
			catch (Exception $e)
			{
				throw $e;
			}
		}
		else
		{
			// Clear previous ID and home status.
			unset($params['id']);

// Build insert query.
			$q = $this->dbo->getQuery(true)
				->insert('#__sunfw_styles')
				->columns(array_keys($params))
				->values(implode(',', array_values($this->dbo->quote($params))));

$this->dbo->setQuery($q);

try
			{
				$this->dbo->execute();

// Re-compile Sass
				$sufwrender = new SunFwScssrender();

$sufwrender->compile($this->styleID, $this->templateName);
				$sufwrender->compile($this->styleID, $this->templateName, 'layout');
			}
			catch (Exception $e)
			{
				throw $e;
			}
		}

$this->setResponse(JText::_('SUNFW_INSTALL_STRUCTURE_SUCCESS'));
	}

/**
	 * Verify sample data installation request.
	 *
	 * @return  void
	 */
	protected function verify()
	{
		// Prepare input data.
		$this->template = $this->input->getString('template_name', '');
		$this->sample = $this->input->getString('sample_package', '');

if (empty($this->template) || empty($this->sample))
		{
			throw new Exception('Invalid Parameter');
		}

// Get sample data definition.
		$defines = SunFwHelper::getSampleDataList($this->template);

foreach ($defines as $define)
		{
			if (empty($define['id']))
			{
				foreach ($define as $info)
				{
					if ($this->sample == $info['id'])
					{
						$this->sample = $info;

break 2;
					}
				}
			}
			elseif ($this->sample == $define['id'])
			{
				$this->sample = $define;

break;
			}
		}

if (!is_array($this->sample))
		{
			throw new Exception('Invalid Package');
		}

// Get template details.
		$this->template = SunFwRecognization::detect($this->template);

if (!$this->template)
		{
			throw new Exception('Invalid Template');
		}

// Disable max execution time.
		SunFwHelper::isDisabledFunction('set_time_limit') or set_time_limit(0);
	}

/**
	 * Extract sample data package and load definition.
	 *
	 * @return  SimpleXMLElement
	 */
	protected function extract()
	{
		if (!isset($this->xml))
		{
			// Look for sample data package in temporary directory.
			$tmpPath = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/sample-data";

if (!is_file("{$tmpPath}.zip"))
			{
				throw new Exception(JText::_('SUNFW_NOT_FOUND_SAMPLE_DATA_PACKAGE'));
			}

// Extract sample data package.
			if (!JArchive::extract("{$tmpPath}.zip", $tmpPath))
			{
				throw new Exception(JText::_('SUNFW_FAILED_TO_EXTRACT_SAMPLE_DATA_PACKAGE'));
			}

$this->temporary_path = $tmpPath;

// Look for sample data definition file.
			$xmlFiles = glob("{$tmpPath}/*.xml");

if (!$xmlFiles || !count( (array) $xmlFiles))
			{
				throw new Exception(JText::_('SUNFW_INVALID_SAMPLE_DATA_PACKAGE'));
			}

// Verify sample data definition.
			$xml = simplexml_load_file(current($xmlFiles));
			
			if ($xml === false)
			{
				// In some case, simplexml_load_file get false on PHP 8. This will fix if that function get false
				$xmlFileContent = file_get_contents(current($xmlFiles));
				$xml = simplexml_load_string($xmlFileContent);
			}

$tpl_id = str_replace(array(
				' ',
				'jsn_'
			), array(
				'_',
				'tpl_'
			), strtolower((string) $xml['name']));
			$tpl_ver = (string) $xml['version'];
			$joomla_ver = (string) $xml['joomla-version'];

if ($tpl_id != $this->template->id)
			{
				throw new Exception(sprintf(JText::_('SUNFW_INCOMPATIBLE_SAMPLE_DATA'), (string) $xml['name'], $this->template->title));
			}

if (version_compare($this->template->version, $tpl_ver, '<'))
			{
				throw new Exception('OUTDATED: ' . sprintf(JText::_('SUNFW_TEMPLATE_OUTDATED'), $this->template->title));
			}

if (!empty($joomla_ver))
			{
				if (version_compare(SunFwHelper::getJoomlaVersion(), $joomla_ver, '<'))
				{
					throw new Exception('OUTDATED: ' . sprintf(JText::_('SUNFW_JOOMLA_OUTDATED'), $joomla_ver, $jversion));
				}
			}

$this->xml = $xml;
		}
	}

protected function get3rdExtensions()
	{
		try
		{
			// Extract sample data.
			$this->extract();

// Get required components.
			$components = array();

foreach ($this->xml->xpath('//extension[@author="3rd"][@type="component"][@autoinstall="true"][@commercial="false"]') as $component)
			{
				$attrs = (array) $component->attributes();
				$attrs = $attrs['@attributes'];

$attrs['name'] = sprintf('com_%s', $attrs['name']);
				$attrs['state'] = $this->getExtensionState($attrs['name'], $attrs['version']);
				$attrs['depends'] = array();

if (isset($component->dependency))
				{
					foreach ($component->dependency->parameter as $parameter)
					{
						$dependencyAttrs = (array) $parameter->attributes();
						$dependencyAttrs = $dependencyAttrs['@attributes'];

if ($dependencyAttrs['type'] == 'module')
						{
							$dependencyAttrs['name'] = sprintf('mod_%s', $dependencyAttrs['name']);
						}
						elseif ($dependencyAttrs['type'] == 'plugin')
						{
							$dependencyAttrs['name'] = sprintf('plg_%s', $dependencyAttrs['name']);
						}
						else
						{
							$dependencyAttrs['name'] = sprintf('com_%s', $dependencyAttrs['name']);
						}

$dependencyAttrs['state'] = $this->getExtensionState($dependencyAttrs['name'], $dependencyAttrs['version'], false,
							$dependencyAttrs['type']);
						$attrs['depends'][] = $dependencyAttrs;
					}
				}
				$components[] = $attrs;
			}

return $components;
		}
		catch (Exception $e)
		{
			throw $e;
		}
	}

/**
	 * Extract extensions list from sample data package.
	 *
	 * @return  array
	 */
	protected function getExtensions()
	{
		try
		{
			// Extract sample data.
			$this->extract();

// Get required components.
			$components = array();

foreach ($this->xml->xpath('//extension[@author="joomlashine"][@type="component"]') as $component)
			{
				$attrs = (array) $component->attributes();
				$attrs = $attrs['@attributes'];

$attrs['name'] = sprintf('com_%s', $attrs['name']);
				$attrs['state'] = $this->getExtensionState($attrs['name'], $attrs['version']);
				$attrs['depends'] = array();

foreach ($component->dependency->parameter as $name)
				{
					$dependency = $this->xml->xpath("//extension[@name=\"{$name}\"]");

if ($name == 'jsnframework' or empty($dependency))
					{
						continue;
					}

$dependency = current($dependency);
					$dependencyAttrs = (array) $dependency->attributes();
					$dependencyAttrs = $dependencyAttrs['@attributes'];
					$dependencyAttrs['state'] = $this->getExtensionState($dependencyAttrs['name'], $dependencyAttrs['version'], false,
						'plugin');

if ($dependencyAttrs['type'] == 'module')
					{
						$dependencyAttrs['name'] = sprintf('mod_%s', $dependencyAttrs['name']);
					}

$attrs['depends'][] = $dependencyAttrs;
				}

$components[] = $attrs;
			}

// Re-order components.
			$ordering = array(
				'com_pagebuilder4' => '',
				'com_pagebuilder3' => '',
				'com_uniform' => '',
				'com_imageshow' => ''
			);

foreach ($components as $k => $component)
			{
				if (array_key_exists($component['name'], $ordering))
				{
					$ordering[$component['name']] = $component;

unset($components[$k]);
				}
			}

$components = array_merge(array_values($ordering), $components);
			$components = array_filter($components);
			
			return $components;
		}
		catch (Exception $e)
		{
			throw $e;
		}
	}

/**
	 * Determine installation state of an extension.
	 *
	 * - Return "install"   if extension does not installed.
	 * - Return "update"    if extension is installed but outdated.
	 * - Return "installed" if extension is installed and up to date.
	 *
	 * @param   string  $name          The name of extension.
	 * @param   string  $version       Version number that used to determine state.
	 * @param   string  $isThirdParty  Whether this is a 3rd-party extension.
	 * @param   string  $type          Either 'component', 'module' or 'plugin'.
	 *
	 * @return  string
	 */
	protected function getExtensionState($name, $version, $isThirdParty = false, $type = 'component')
	{
		$installedExtensions = SunFwHelper::findInstalledExtensions();

if ('plugin' == $type)
		{
			// Find first plugin that matchs the given name.
			foreach ($installedExtensions as $_type => $exts)
			{
				if (0 === strpos($_type, 'plugin') && isset($installedExtensions[$_type][$name]))
				{
					$installedExtension = $installedExtensions[$_type][$name];
				}
			}
		}
		elseif (isset($installedExtensions[$type][$name]))
		{
			$installedExtension = $installedExtensions[$type][$name];
		}

if (!isset($installedExtension))
		{
			return 'install';
		}

if (version_compare($installedExtension->version, $version, '<'))
		{
			return 'update';
		}

if ($isThirdParty)
		{
			// If version has more than 3 numbers, just ignore number from 3rd position.
			$current_version = explode('.', $installedExtension->version);
			$desired_version = explode('.', $version);

if (version_compare("{$current_version[0]}.{$current_version[1]}", "{$desired_version[0]}.{$desired_version[1]}", '>'))
			{
				return 'unsupported';
			}
		}

return 'installed';
	}

/**
	 * Clean up all junk data left by the specified component.
	 *
	 * @param   string  $name     The component name.
	 * @param   array   $modules  Additional modules to be removed.
	 * @param   array   $plugins  Additional plugins to be removed.
	 *
	 * @return  void
	 */
	protected function cleanExtensionJunk($name, $modules = null, $plugins = null)
	{
		// Only clean-up junk data if the component is really missing.
		if (!SunFwHelper::isExtensionInstalled($name))
		{
			// Get all menu items associated with the missing component.
			$q = $this->dbo->getQuery(true);

$q->select('id')
				->from('#__menu')
				->where("type = 'component'")
				->where("(link LIKE '%option=" . $name . "' OR link LIKE '%option=" . $name . "&%')");

$this->dbo->setQuery($q);

$items = $this->dbo->loadColumn();

if (count( (array) $items))
			{
				// Get all modules associated with all menu items of the missing component.
				$q = $this->dbo->getQuery(true);

$q->select('moduleid')
					->from('#__modules_menu')
					->where('menuid IN (' . implode(', ', $items) . ')');

$this->dbo->setQuery($q);

$mods = $this->dbo->loadColumn();

// Clean up menu table.
				$q = $this->dbo->getQuery(true);

$q->delete('#__menu')->where('id IN (' . implode(', ', $items) . ')');

$this->dbo->setQuery($q)->execute();

// Clean up menu item alias also.
				$q = $this->dbo->getQuery(true);

$q->delete('#__menu')
					->where("type = 'alias'")
					->where('(params LIKE \'%"aliasoptions":"' . implode('"%\' OR params LIKE \'%"aliasoptions":"', $items) . '"%\')');

$this->dbo->setQuery($q)->execute();

// Clean up module menu mapping table.
				$q = $this->dbo->getQuery(true);

$q->delete('#__modules_menu')->where('menuid IN (' . implode(', ', $items) . ')');

$this->dbo->setQuery($q)->execute();
			}

if (isset($mods) && count( (array) $mods))
			{
				// Make sure queried modules does not associate with menu items of other component.
				$q = $this->dbo->getQuery(true);

$q->select('moduleid')
					->from('#__modules_menu')
					->where('moduleid IN (' . implode(', ', $mods) . ')');

$this->dbo->setQuery($q);

if ($items = $this->dbo->loadColumn())
				{
					$mods = array_diff($mods, $items);
				}

// Clean up modules table.
				if (count((array) $mods))
				{
					$q = $this->dbo->getQuery(true);

$q->delete('#__modules')->where('id IN (' . implode(', ', $mods) . ')');

$this->dbo->setQuery($q)->execute();
				}
			}

// Clean up modules associated with the missing component but not associated with its menu items.
			$q = $this->dbo->getQuery(true);

$q->delete('#__modules')->where("params LIKE '%\"moduleclass_sfx\":\"%jsn-demo-module-for-{$name}\"%'");

$this->dbo->setQuery($q)->execute();

// Clean up assets table.
			$q = $this->dbo->getQuery(true);

$q->delete('#__assets')->where('name = ' . $q->quote($name));

$this->dbo->setQuery($q)->execute();

// Clean up extensions table.
			$q = $this->dbo->getQuery(true);

$q->delete('#__extensions')->where('element = ' . $q->quote($name));

$this->dbo->setQuery($q)->execute();
		}

// Clean up additional modules if specified.
		if ($modules && @count((array) $modules))
		{
			foreach ($modules as $module)
			{
				// Only clean-up junk data if module is really missing.
				if (!@is_dir(JPATH_ROOT . '/modules/' . (string) $module))
				{
					// Clean up modules table.
					$q = $this->dbo->getQuery(true);

$q->delete('#__modules')->where('module = ' . $q->quote((string) $module));

$this->dbo->setQuery($q)->execute();

// Clean up extensions table.
					$q = $this->dbo->getQuery(true);

$q->delete('#__extensions')
						->where("type = 'module'")
						->where('element = ' . $q->quote((string) $module));

$this->dbo->setQuery($q)->execute();
				}
			}
		}

// Clean up additional plugins if specified.
		if ($plugins && @count((array) $plugins))
		{
			foreach ($plugins as $plugin)
			{
				// Only clean-up junk data if plugin is really missing.
				if (!@is_dir(JPATH_ROOT . '/plugins/' . (string) $plugin['group'] . '/' . (string) $plugin))
				{
					// Clean up extensions table.
					$q = $this->dbo->getQuery(true);

$q->delete('#__extensions')
						->where("type = 'plugin'")
						->where('folder = ' . $q->quote((string) $plugin['group']))
						->where('element = ' . $q->quote((string) $plugin));

$this->dbo->setQuery($q)->execute();
				}
			}
		}
	}

/**
	 * Rebuild menu structure.
	 *
	 * @return  boolean
	 */
	protected function rebuildMenus()
	{
		try
		{
			JTable::getInstance('Menu', 'JTable')->rebuild();
		}
		catch (Exception $e)
		{
			throw $e;
		}

$q = $this->dbo->getQuery(true);

$q->select('id, params')
			->from('#__menu')
			->where('params NOT LIKE ' . $this->dbo->quote('{%'))
			->where('params <> ' . $this->dbo->quote(''));

$this->dbo->setQuery($q);

$items = $this->dbo->loadObjectList();

if ($error = $this->dbo->getErrorMsg())
		{
			throw new Exception("{$q}\n\n" . $error);
		}

foreach ($items as & $item)
		{
			$registry = new JRegistry();

$registry->loadString($item->params);

$q = $this->dbo->getQuery(true);

$q->update('#__menu')
				->set('params = ' . $q->quote((string) $registry))
				->where('id = ' . (int) $item->id);

$this->dbo->setQuery($q)->execute();

unset($registry);
		}

// Clean the cache.
		$this->cleanCache('com_modules');
		$this->cleanCache('mod_menu');

return true;
	}

/**
	 * Clean cache data for an extension.
	 *
	 * @param   string  $extension  Name of extension to clean cache.
	 *
	 * @return  void
	 */
	protected function cleanCache($extension)
	{
		$options = array(
			'defaultgroup' => $extension,
			'cachebase' => JFactory::getConfig()->get('cache_path', JPATH_SITE . '/cache')
		);

$cache = JCache::getInstance('callback', $options);

$cache->clean();
	}

/**
	 * Enable an extension.
	 *
	 * @param   array  $extension  Extension details.
	 *
	 * @return  void
	 */
	protected function activateExtension($extension)
	{
		$namePrefix = array(
			'component' => 'com_',
			'module' => 'mod_',
			'plugin' => ''
		);
		$extensionType = (string) $extension['type'];

if (isset($namePrefix[$extensionType]) && strpos((string) $extension['name'], $namePrefix[$extensionType]) === false)
		{
			$extensionName = $namePrefix[$extensionType] . (string) $extension['name'];
		}
		else
		{
			$extensionName = (string) $extension['name'];
		}

$extensionFolder = '';

if (preg_match('/^plugin-([a-z0-9]+)$/i', $extension['type'], $matched))
		{
			$extensionFolder = $matched[1];
		}

$q = $this->dbo->getQuery(true);

$q->update('#__extensions')
			->set('enabled = 1')
			->where('element = ' . $q->quote($extensionName))
			->where('folder = ' . $q->quote($extensionFolder));

$this->dbo->setQuery($q)->execute();
	}

/**
	 * Backup the current Joomla database.
	 *
	 * @return  void
	 */
	protected function backupDatabase()
	{
		// Preset backup buffer.
		$buffer = 'SET FOREIGN_KEY_CHECKS = 0;';

// Generate file path to write SQL backup.
		$numb = 1;
		$file = JFactory::getConfig()->get('tmp_path') . "/{$this->template->id}/{$this->sample['id']}/backups/original_data.sql";

// Get all tables in Joomla database.
		$this->dbo->setQuery('SHOW TABLE STATUS;');

$tables = $this->dbo->loadObjectList();

// Loop thru all tables to backup table structure and data.
		foreach ($tables as $table)
		{
			if (strpos($table->Name, $this->dbo->getPrefix()) !== 0)
			{
				continue;
			}

// Create drop table statement.
			if (empty($table->Engine) && $table->Comment == 'VIEW')
			{
				$table = $table->Name;
				$buffer .= "\nDROP VIEW IF EXISTS `{$table}`;";
			}
			else
			{
				$table = $table->Name;
				$buffer .= "\nDROP TABLE IF EXISTS `{$table}`;";
			}

// Re-create create table statement.
			$create = $this->dbo->getTableCreate($table);
			$create = array_shift($create);

if (preg_match('/CREATE [^\r\n]+ VIEW/', $create, $match))
			{
				$create = str_replace($match[0], 'CREATE OR REPLACE VIEW', $create);
				$skip_insert = true;
			}
			else
			{
				$skip_insert = false;
			}

$buffer .= "\n" . $create . ';';

if ($skip_insert)
			{
				continue;
			}

// Get all table columns.
			$columns = '`' . implode('`, `', array_keys($this->dbo->getTableColumns($table, false))) . '`';

// Get the total number of row in the current table.
			$q = $this->dbo->getQuery(true);

$q->select('COUNT(*)')
				->from($table)
				->where('1');

$this->dbo->setQuery($q);

if ($max = (int) $this->dbo->loadResult())
			{
				for ($offset = 0, $limit = 50; $max - $offset > 0; $offset += $limit)
				{
					// Query for all table data.
					$q = $this->dbo->getQuery(true);

$q->select('*')
						->from($table)
						->where('1');

$this->dbo->setQuery($q, $offset, $limit);

if ($rows = $this->dbo->loadRowList())
					{
						$data = array();

foreach ($rows as $row)
						{
							$tmp = array();

// Prepare data to create insert statement for each row.
							foreach ($row as $value)
							{
								$tmp[] = $this->dbo->quote($value);
							}

$data[] = implode(', ', $tmp);
						}

// Create insert statement for fetched rows.
						$q = $this->dbo->getQuery(true);

$q->insert($table)
							->columns($columns)
							->values($data);

// Store insert statement.
						$insert = str_replace(array(
							'INSERT INTO',
							'),('
						), array(
							'REPLACE INTO',
							"),\n("
						), (string) $q) . ';';

// Write generated SQL statements to file if reached 2MB limit.
						if (strlen($buffer) + strlen($insert) > 2097152)
						{
							if (!JFile::write($file, trim($buffer)))
							{
								throw new Exception(JText::_('SUNFW_CANNOT_CREATE_BACKUP_FILE'));
							}

// Rename the current backup file if neccessary.
							if ($numb == 1)
							{
								JFile::move($file, substr($file, 0, -4) . '.01.sql');
							}

// Increase the total number of backup file.
							$numb++;

// Generate new backup file name.
							$file = preg_replace('/(\.\d+)*\.sql$/', '', $file) . '.' . ( $numb < 10 ? '0' : '' ) . $numb . '.sql';

// Reset backup buffer.
							$buffer = $insert;
						}
						else
						{
							$buffer .= $insert;
						}
					}
					else
					{
						break;
					}
				}
			}
		}

if (!JFile::write($file, trim($buffer)))
		{
			throw new Exception(JText::_('SUNFW_CANNOT_CREATE_BACKUP_FILE'));
		}

// Prepare path to store the final backup file.
		$zip_path = JPATH_SITE . "/templates/{$this->template->template}/backups/{$this->sample['id']}";

if (!JFolder::create($zip_path))
		{
			throw new Exception(JText::sprintf('SUNFW_CANNOT_CREATE_BACKUP_DIRECTORY', str_replace(JPATH_SITE, '', $zip_path)));
		}

$zip_path .= '/' . date('Y-m-d_H-i-s') . '.zip';

// Create backup archive.
		require_once SUNFW_PATH . '/libraries/3rd-party/php-zip/src/Zip.php';

try
		{
			$zip = new Zip();

$zip->zip_start($zip_path);

// Add all SQL files to backup archive.
			$files = glob(preg_replace('/(\.\d+)*\.sql$/', '*.sql', $file));

foreach ($files as $file)
			{
				$zip->zip_add($file);
			}

$zip->zip_end();
		}
		catch (Exception $e)
		{
			throw new Exception(JText::sprintf('SUNFW_CANNOT_CREATE_BACKUP_FILE', str_replace(JPATH_SITE, '', $zip_path)));
		}
	}

/**
	 * Backup data for 3rd-party extensions.
	 *
	 * @return  void
	 */
	protected function backupThirdPartyModules()
	{
		$builtInModules = array(
			'mod_login',
			'mod_stats',
			'mod_users_latest',
			'mod_footer',
			'mod_stats',
			'mod_menu',
			'mod_articles_latest',
			'mod_languages',
			'mod_articles_category',
			'mod_whosonline',
			'mod_articles_popular',
			'mod_articles_archive',
			'mod_articles_categories',
			'mod_articles_news',
			'mod_related_items',
			'mod_search',
			'mod_random_image',
			'mod_banners',
			'mod_wrapper',
			'mod_feed',
			'mod_breadcrumbs',
			'mod_syndicate',
			'mod_custom',
			'mod_weblinks'
		);

$q = $this->dbo->getQuery(true);

$q->select('*')
			->from('#__modules')
			->where(sprintf('module NOT IN (\'%s\')', implode('\', \'', $builtInModules)))
			->where('id NOT IN (2, 3, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 70)')
			->order('client_id ASC');

$this->dbo->setQuery($q);

$this->temporaryModules = $this->dbo->loadAssocList();
	}

/**
	 * Backup menu assignment for 3rd-party admin modules.
	 *
	 * @return  void
	 */
	protected function backupThirdPartyAdminModules()
	{
		$builtInModules = array(
			'mod_login',
			'mod_stats',
			'mod_users_latest',
			'mod_footer',
			'mod_stats',
			'mod_menu',
			'mod_articles_latest',
			'mod_languages',
			'mod_articles_category',
			'mod_whosonline',
			'mod_articles_popular',
			'mod_articles_archive',
			'mod_articles_categories',
			'mod_articles_news',
			'mod_related_items',
			'mod_search',
			'mod_random_image',
			'mod_banners',
			'mod_wrapper',
			'mod_feed',
			'mod_breadcrumbs',
			'mod_syndicate',
			'mod_custom',
			'mod_weblinks'
		);

$q = $this->dbo->getQuery(true);

$q->select('id')
			->from('#__modules')
			->where('module NOT IN ("' . implode('", "', $builtInModules) . '")')
			->where('client_id = 1');

$this->dbo->setQuery($q);

if ($results = $this->dbo->loadColumn())
		{
			$q = $this->dbo->getQuery(true);

$q->select('*')
				->from('#__modules_menu')
				->where('moduleid IN ("' . implode('", "', $results) . '")');

$this->dbo->setQuery($q);

$this->temporaryAdminModules = $this->dbo->loadAssocList();
		}
	}

/**
	 * Backup menus data for 3rd-party extensions.
	 *
	 * @return  void
	 */
	protected function backupThirdPartyMenus()
	{
		$q = $this->dbo->getQuery(true);

$q->select('*')
			->from('#__menu')
			->where('client_id=1')
			->where('parent_id=1')
			->order('id ASC');

$this->dbo->setQuery($q);

$this->temporaryMenus = array();

foreach ($this->dbo->loadAssocList() as $row)
		{
			// Fetch children menus.
			$q = $this->dbo->getQuery(true);

$q->select('*')
				->from('#__menu')
				->where('client_id=1')
				->where('parent_id=' . $row['id'])
				->order('lft');

$this->dbo->setQuery($q);

$childrenMenus = $this->dbo->loadAssocList();

// Save temporary menus data.
			$this->temporaryMenus[] = array(
				'data' => $row,
				'children' => $childrenMenus
			);
		}
	}

/**
	 * Remove all 3rd-party modules in administrator.
	 *
	 * @return  void
	 */
	protected function deleteThirdPartyAdminModules()
	{
		$q = $this->dbo->getQuery(true);

$q->delete('#__modules')
			->where('id NOT IN (2, 3, 4, 8, 9, 10, 12, 13, 14, 15)')
			->where('client_id = 1');

$this->dbo->setQuery($q)->execute();
	}

/**
	 * Get version of installed extension.
	 *
	 * @param   string  $name  The name of extension.
	 * @param   string  $type  The type of extension.
	 *
	 * @return  string
	 */
	protected function getExtensionVersion($name, $type = 'component')
	{
		$installedExtensions = SunFwHelper::findInstalledExtensions();

if (!isset($installedExtensions[$type][$name]))
		{
			return null;
		}

return $installedExtensions[$type][$name]->version;
	}

/**
	 * Restore data for 3rd-party extensions.
	 *
	 * @return  void
	 */
	protected function restoreThirdPartyData()
	{
		// Preset an array to hold module id mapping.
		$moduleIdMapping = array();

// Restore 3rd-party modules.
		foreach ($this->temporaryModules as $module)
		{
			try
			{
				// Store old module id.
				$oldModuleId = $module['id'];

// Unset old module id to create new record.
				unset($module['id']);

$tblModule = JTable::getInstance('module');
				$tblModule->bind($module);

// Disable all restored front-end modules.
				$tblModule->client_id == 1 or $tblModule->published = 0;

if ($tblModule->check())
				{
					$tblModule->store();
				}

// Map new id to old module id.
				$moduleIdMapping[$oldModuleId] = isset($tblModule->id) ? $tblModule->id : $this->dbo->insertid();
			}
			catch (Exception $e)
			{
				throw $e;
			}
		}

// Restore menu assignment for 3rd-party admin modules.
		foreach ($this->temporaryAdminModules as $module)
		{
			if (isset($moduleIdMapping[$module['moduleid']]))
			{
				$q = $this->dbo->getQuery(true);

$q->insert('#__modules_menu')
					->columns('moduleid, menuid')
					->values($moduleIdMapping[$module['moduleid']] . ', ' . $module['menuid']);

$this->dbo->setQuery($q);

try
				{
					$this->dbo->execute();
				}
				catch (Exception $e)
				{
					// Do nothing
				}
			}
		}

// Restore administrator menu.
		foreach ($this->temporaryMenus as $menu)
		{
			try
			{
				unset($menu['data']['id']);

$mainmenu = JTable::getInstance('menu');

$mainmenu->setLocation(1, 'last-child');
				$mainmenu->bind($menu['data']);

if ($mainmenu->check())
				{
					$mainmenu->store();
				}
			}
			catch (Exception $e)
			{
				throw $e;
			}

if (!empty($menu['children']))
			{
				foreach ($menu['children'] as $children)
				{
					try
					{
						$children['id'] = null;
						$children['parent_id'] = $mainmenu->id;

$submenu = JTable::getInstance('menu');

$submenu->setLocation($mainmenu->id, 'last-child');
						$submenu->bind($children);

if ($submenu->check())
						{
							$submenu->store();
						}
					}
					catch (Exception $e)
					{
						throw $e;
					}
				}
			}
		}
	}

/**
	 * Copy sample image if has
	 *
	 * @return void
	 */
	protected function copySampleImages()
	{
		$sample = $this->temporary_path . "/images/joomlashine/sample";
		$placeholder = $this->temporary_path . "/images/joomlashine/placeholder";

if (JFolder::exists($sample))
		{
			try
			{
				JFolder::copy($sample, JPATH_ROOT . '/images/joomlashine/sample', '', true);
			}
			catch (Exception $e)
			{}
		}

if (JFolder::exists($placeholder))
		{
			try
			{
				JFolder::copy($placeholder, JPATH_ROOT . '/images/joomlashine/placeholder', '', true);
			}
			catch (Exception $e)
			{}
		}
	}

protected function get3rdPackageURL($id, $version, $parentID = '')
	{
		$joomlaVersion = SunFwHelper::getJoomlaVersion(2);

if ($parentID != '')
		{
			$tmpID = $id;
			$id = $parentID;
		}
		// Send request to joomlashine server to checking customer information
		$downloadUrl = SUNFW_LIGHTCART_URL;
		$downloadUrl .= '&controller=remoteconnectauthentication&task=authenticate';
		$downloadUrl .= '&tmpl=component&upgrade=yes&identified_name=' . $id;
		$downloadUrl .= '&joomla_version=' . $joomlaVersion;

if ($parentID != '')
		{
			$downloadUrl .= '&file_attr={"package_type":"3rd","version":"' . (string) $version . '","dependency_identifiedname":"' .
				 (string) $tmpID . '"}';
		}
		else
		{
			$downloadUrl .= '&file_attr={"package_type":"3rd","version":"' . (string) $version . '"}';
		}

return $downloadUrl;
	}

protected function cleanupSampleDataInstallation($attentions)
	{
		// Clean up temporary data.
		$tmpPath = $this->app->getCfg('tmp_path') . "/{$this->template->id}";

JInstallerHelper::cleanupInstall("$tmpPath.zip", $tmpPath);

// Clean up junk data for extension that is not installed.
		if (count((array) $attentions))
		{
			foreach ($attentions as $i => $attention)
			{
				// Clean up junk data imported during sample data installation.
				$this->cleanExtensionJunk('com_' . $attention['id'], isset($attention['modules']) ? $attention['modules'] : null,
					isset($attention['plugins']) ? $attention['plugins'] : null);

// Make sure extension has name defined.
				if (!isset($attention['name']) || empty($attention['name']))
				{
					unset($attentions[$i]);
				}
				elseif (isset($attention['display']) && !$attention['display'])
				{
					unset($attentions[$i]);
				}
				else
				{
					// Remove data that are not necessary any more.
					if (isset($attention['modules']))
					{
						unset($attentions[$i]['modules']);
					}

if (isset($attention['plugins']))
					{
						unset($attentions[$i]['plugins']);
					}
				}
			}
		}
	}
}