/nukeviet/install/update.php

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<?php

/**
 * @Project NUKEVIET 3.x
 * @Author VINADES.,JSC (contact@vinades.vn)
 * @Copyright (C) 2012 VINADES.,JSC. All rights reserved
 * @Createdate 29-03-2012 03:29
 */

define( 'NV_SYSTEM', true );
define( 'NV_IS_UPDATE', true );

//Ket noi den mainfile.php nam o thu muc goc.
$realpath_mainfile = '';

$temp_dir = str_replace( DIRECTORY_SEPARATOR, '/', dirname( __file__ ) );
$temp_path = "/../";
for( $i = 0; $i < 10; ++$i )
{
	$realpath_mainfile = @realpath( $temp_dir . $temp_path . 'mainfile.php' );
	if( ! empty( $realpath_mainfile ) ) break;
	$temp_path .= "../";
}
unset( $temp_dir, $temp_path );

if( empty( $realpath_mainfile ) ) die();

require ( $realpath_mainfile );
unset( $realpath_mainfile );

// Kiem tra tu cach admin
if( ! defined( 'NV_IS_GODADMIN' ) )
{
	Header( 'Location:' . nv_url_rewrite( NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA ) );
	die();
}

// Kiem tra ton tai goi update
if( ! file_exists( NV_ROOTDIR . '/install/update_data.php' ) )
{
	Header( 'Location:' . nv_url_rewrite( NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA ) );
	die();
}
require ( NV_ROOTDIR . '/install/update_data.php' );
if( empty( $nv_update_config ) )
{
	Header( 'Location:' . nv_url_rewrite( NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA ) );
	die();
}

// Ham cua admin
define( 'NV_ADMIN', true );
include_once ( NV_ROOTDIR . "/includes/core/admin_functions.php" );

// Xac dinh ngon ngu cap nhat
$dirs = nv_scandir( NV_ROOTDIR . "/language", "/^([a-z]{2})/" );
$languageslist = array();

foreach( $dirs as $file )
{
	if( is_file( NV_ROOTDIR . '/language/' . $file . '/install.php' ) )
	{
		$languageslist[] = $file;
	}
}
$data_update_lang = array_keys( $nv_update_config['lang'] );
$array_lang_update = array_intersect( $data_update_lang, $languageslist );
$nv_update_config['allow_lang'] = $array_lang_update;

$cookie_lang = $nv_Request->get_string( 'update_lang', 'cookie', '' );
$update_lang = $nv_Request->get_string( NV_LANG_VARIABLE, 'get,post', '' );

if( ! empty( $update_lang ) and ( in_array( $update_lang, $array_lang_update ) ) and file_exists( NV_ROOTDIR . "/language/" . $update_lang . "/global.php" ) )
{
	if( $update_lang != $cookie_lang ) $nv_Request->set_Cookie( 'update_lang', $update_lang, NV_LIVE_COOKIE_TIME );
}
elseif( preg_match( "/^[a-z]{2}$/", $cookie_lang ) and ( in_array( $cookie_lang, $array_lang_update ) ) and file_exists( NV_ROOTDIR . "/language/" . $cookie_lang . "/global.php" ) )
{
	$update_lang = $cookie_lang;
}
elseif( in_array( NV_LANG_DATA, $array_lang_update ) )
{
	$update_lang = NV_LANG_DATA;
	$nv_Request->set_Cookie( 'update_lang', $update_lang, NV_LIVE_COOKIE_TIME );
}
else
{
	$update_lang = $array_lang_update[0];
	$nv_Request->set_Cookie( 'update_lang', $update_lang, NV_LIVE_COOKIE_TIME );
}

define( 'NV_LANG_UPDATE', $update_lang );

unset( $dirs, $languageslist, $file, $data_update_lang, $array_lang_update, $cookie_lang, $update_lang );
if( NV_LANG_UPDATE != NV_LANG_DATA ) unset( $lang_module, $lang_global );

require( NV_ROOTDIR . "/language/" . NV_LANG_UPDATE . "/global.php" );
require( NV_ROOTDIR . "/language/" . NV_LANG_UPDATE . "/admin_global.php" );
require( NV_ROOTDIR . "/language/" . NV_LANG_UPDATE . "/install.php" );

$lang_module = array_merge( $lang_module, $nv_update_config['lang'][NV_LANG_UPDATE] );
unset( $nv_update_config['lang'] );

/**
 * NvUpdate
 * 
 * @package NukeViet
 * @author VINADES.,JSC
 * @copyright VINADES.,JSC
 * @version 2012
 * @access public
 */
class NvUpdate
{
	private $db;
	private $lang;
	private $glang;
	private $config;
	
	/**
	 * NvUpdate::__construct()
	 * 
	 * @param mixed $nv_update_config
	 * @return
	 */
	public function __construct( $nv_update_config )
	{
		global $db, $lang_module, $lang_global;
		
		$this->db = $db;
		$this->lang = $lang_module;
		$this->glang = $lang_global;
		$this->config = $nv_update_config;
	}
	
	/**
	 * NvUpdate::check_package()
	 * 
	 * @return
	 */
	public function check_package()
	{
		if( ! isset( $this->config['release_date'] ) ) return false;
		elseif( ! isset( $this->config['author'] ) ) return false;
		elseif( ! isset( $this->config['support_website'] ) ) return false;
		elseif( ! isset( $this->config['to_version'] ) ) return false;
		elseif( ! isset( $this->config['allow_old_version'] ) ) return false;
		elseif( ! isset( $this->config['type'] ) ) return false;
		elseif( ! isset( $this->config['packageID'] ) ) return false;
		elseif( ! isset( $this->config['tasklist'] ) ) return false;
		return true;
	}
	
	/**
	 * NvUpdate::build_full_ver()
	 * 
	 * @param mixed $version
	 * @param mixed $revision
	 * @return
	 */
	public function build_full_ver( $version, $revision )
	{
		return $version . '.r' . $revision;
	}
	
	/**
	 * NvUpdate::list_data_update()
	 * 
	 * @return
	 */
	public function list_data_update()
	{
		if( empty( $this->config['tasklist'] ) ) return array();
		
		global $global_config, $nv_update_config;
		
		$tasklist = array();
		
		foreach( $this->config['tasklist'] as $task )
		{
			// Neu la nang cap module
			if( ! empty( $this->config['formodule'] ) )
			{
				if( nv_version_compare( $task['r'], $nv_update_config['updatelog']['old_version'] ) > 0 )
				{
					$tasklist[$task['f']] = array( 'langkey' => $task['l'], 'require' => $task['rq'] );
				}
			}
			else
			{
				if( $task['r'] > $global_config['revision'] )
				{
					$tasklist[$task['f']] = array( 'langkey' => $task['l'], 'require' => $task['rq'] );
				}
			}
		}
		
		return $tasklist;
	}
	
	/**
	 * NvUpdate::list_all_file()
	 * 
	 * @param string $dir
	 * @param string $base_dir
	 * @return
	 */
	public function list_all_file( $dir = '', $base_dir = '' )
	{
		if( empty( $dir ) ) $dir = NV_ROOTDIR . '/install/update';
		
		$file_list = array();
		
		if( is_dir( $dir ) )
		{
			$array_filedir = scandir( $dir );
			
			foreach( $array_filedir as $v )
			{
				if( $v == '.' or $v == '..' ) continue;
				
				if( is_dir( $dir . '/' . $v ) )
				{
					foreach( $this->list_all_file( $dir . '/' . $v, $base_dir . '/' . $v ) as $file )
					{
						$file_list[] = $file;
					}
				}
				else
				{
					// if( $base_dir == '' and ( $v == 'index.html' or $v == 'index.htm' ) ) continue; // Khong di chuyen index.html
					$file_list[] = preg_replace( '/^\//', '', $base_dir . '/' . $v );
				}
			}
		}
		
		return $file_list;
	}
	
	/**
	 * NvUpdate::set_data_log()
	 * 
	 * @param mixed $data
	 * @return
	 */
	public function set_data_log( $data )
	{
		$content_config = "<?php\n\n";
		$content_config .= NV_FILEHEAD . "\n\n";
		$content_config .= "if( ! defined( 'NV_IS_UPDATE' ) ) die( 'Stop!!!' );\n\n";
		$content_config .= "\$nv_update_config['updatelog'] = " . var_export( $data, true ) . ";";
		$content_config .= "\n\n";
		$content_config .= "?>";
		
		$return = file_put_contents( NV_ROOTDIR . "/" . NV_DATADIR . "/config_update_" . $this->config['packageID'] . ".php", $content_config, LOCK_EX );
		
		if( $return === false )
		{
			$message = sprintf( $this->lang['update_error_log_data'], NV_DATADIR );
			$contents = $this->call_error( $message );
		
			include ( NV_ROOTDIR . "/includes/header.php" );
			echo $this->template( $contents );
			include ( NV_ROOTDIR . "/includes/footer.php" );
			exit();
		}
	}
	
	/**
	 * NvUpdate::move_file()
	 * 
	 * @param mixed $nv_update_config
	 * @param mixed $files
	 * @return
	 */
	public function move_file( $nv_update_config, $files )
	{
		if( empty( $files ) ) return true;
		
		global $global_config;
		
		$is_ftp = false;
		if( $global_config['ftp_check_login'] == 1 )
		{
			$ftp_server = nv_unhtmlspecialchars( $global_config['ftp_server'] );
			$ftp_port = intval( $global_config['ftp_port'] );
			$ftp_user_name = nv_unhtmlspecialchars( $global_config['ftp_user_name'] );
			$ftp_user_pass = nv_unhtmlspecialchars( $global_config['ftp_user_pass'] );
			$ftp_path = nv_unhtmlspecialchars( $global_config['ftp_path'] );
			
			include_once ( NV_ROOTDIR . '/includes/class/ftp.class.php' );
			$ftp = new NVftp( $ftp_server, $ftp_user_name, $ftp_user_pass, array( 'timeout' => 20 ), $ftp_port );
			
			if( empty( $ftp->error ) and $ftp->chdir( $ftp_path ) )
			{
				$is_ftp = true;
			}
		}
		
		// Nhat ki
		$logs_message = array();
		$logs_status = array();
		
		// Bat dau tao thu muc
		foreach ( $files as $file_i )
		{
			$cp = "";
			$e = explode( "/", $file_i );
			foreach ( $e as $p )
			{
				if ( ! empty( $p ) and is_dir( NV_ROOTDIR . '/install/update/' . $cp . $p ) and ! is_dir( NV_ROOTDIR . '/' . $cp . $p ) )
				{
					// Neu khong tao thu muc theo cach thong thuong thi tao bang FTP (neu co)
					if( ( @mkdir( NV_ROOTDIR . '/' . $cp . $p ) == false ) and $is_ftp === true )
					{
						$ftp->mkdir( $cp . $p );
					}
					
					if ( ! is_dir( NV_ROOTDIR . '/' . $cp . $p ) )
					{
						// Nhat ki that bai
						$logs_message[] = $this->lang['update_log_creat_dir'] . ' ' . $cp . $p;
						$logs_status[] = false;
					
						// Luu nhat ki
						$this->log( $nv_update_config, $logs_message, $logs_status );
						
						if( $is_ftp === true ) $ftp->close();
						return $this->lang['update_error_creat_dir'] . ' ' . $cp . $p;
					}
					
					// Nhat ki thanh cong
					$logs_message[] = $this->lang['update_log_creat_dir'] . ' ' . $cp . $p;
					$logs_status[] = true;
				}
				$cp .= $p . '/';
			}
		}
		
		// Di chuyen cac file
		foreach ( $files as $file_i )
		{
			if ( is_file( NV_ROOTDIR . '/install/update/' . $file_i ) )
			{
				// Neu ton tai thi xoa truoc
				if ( file_exists( NV_ROOTDIR . '/' . $file_i ) )
				{
					if( @unlink( NV_ROOTDIR . '/' . $file_i ) == false and $is_ftp === true )
					{
						// Dung ftp de xoa
						$ftp->unlink( $file_i );
					}
				}
				
				// Di chuyen bang cach doi ten duong dan
				if( @rename( NV_ROOTDIR . '/install/update/' . $file_i, NV_ROOTDIR . '/' . $file_i ) == false and $is_ftp === true )
				{
					// Dung ftp di chuyen
					$ftp->rename( 'install/update/' . $file_i, $file_i );
				}
				
				if ( file_exists( NV_ROOTDIR . '/install/update/' . $file_i ) )
				{
					// Nhat ki that bai
					$logs_message[] = $this->lang['update_log_move_file'] . ' ' . $file_i;
					$logs_status[] = false;
					
					// Luu nhat ki
					$this->log( $nv_update_config, $logs_message, $logs_status );
					
					if( $is_ftp === true ) $ftp->close();
					
					return $this->lang['update_error_move_file'] . ' ' . $file_i;
				}
				
				// Nhat ki thanh cong
				$logs_message[] = $this->lang['update_log_move_file'] . ' ' . $file_i;
				$logs_status[] = true;
			}
		}
		
		// Luu nhat ki
		$this->log( $nv_update_config, $logs_message, $logs_status );
		
		return true;
	}
	
	/**
	 * NvUpdate::template()
	 * 
	 * @param mixed $contents
	 * @return
	 */
	public function template( $contents )
	{
		global $language_array;
		
		$xtpl = new XTemplate( "updatetheme.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		$xtpl->assign( 'LANG_VARIABLE', NV_LANG_VARIABLE );
		$xtpl->assign( 'NV_LANG_UPDATE', NV_LANG_UPDATE );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		
		if( ! empty( $this->config['formodule'] ) ) // Lay module_file lam tieu de luon
		{
			$xtpl->assign( 'SITE_TITLE', $this->config['type'] == 1 ? sprintf( $this->lang['updatemod_title_update'], $this->config['formodule'] ) : sprintf( $this->lang['updatemod_title_upgrade'], $this->config['formodule'] ) );
		}
		else
		{
			$xtpl->assign( 'SITE_TITLE', $this->config['type'] == 1 ? $this->lang['update_site_title_update'] : $this->lang['update_site_title_upgrade'] );
		}
		
		$xtpl->assign( 'CONTENT_TITLE', $this->lang['update_step_title_' . $this->config['step'] ] );
		
		$xtpl->assign( 'MODULE_CONTENT', $contents );
		
		$xtpl->assign( 'LANGTYPESL', NV_LANG_UPDATE );
		$langname = $language_array[NV_LANG_UPDATE]['name'];
		$xtpl->assign( 'LANGNAMESL', $langname );
		
		foreach( $this->config['allow_lang'] as $languageslist_i )
		{
			if( ! empty( $languageslist_i ) and ( NV_LANG_UPDATE != $languageslist_i ) )
			{
				$xtpl->assign( 'LANGTYPE', $languageslist_i );
				$langname = $language_array[$languageslist_i]['name'];
				$xtpl->assign( 'LANGNAME', $langname );
				$xtpl->parse( 'main.looplang' );
			}
		}
		
		$step_bar = array( $this->lang['update_step_1'], $this->lang['update_step_2'], $this->lang['update_step_3'] );
		
		foreach( $step_bar as $i => $step_bar_i )
		{
			$n = $i + 1;
			$class = "";
			
			if( $this->config['step'] >= $n )
			{
				$class = " class=\"";
				$class .= ( $this->config['step'] > $n ) ? 'passed_step' : '';
				$class .= ( $this->config['step'] == $n ) ? 'current_step' : '';
				$class .= "\"";
			}
			
			$xtpl->assign( 'CLASS_STEP', $class );
			$xtpl->assign( 'STEP_BAR', $step_bar_i );
			$xtpl->assign( 'NUM', $n );
			$xtpl->parse( 'main.step_bar.loop' );
		}
		
		$xtpl->parse( 'main.step_bar' );
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
	
	/**
	 * NvUpdate::step1()
	 * 
	 * @param mixed $array
	 * @return
	 */
	public function step1( $array )
	{
		global $global_config;
		
		$xtpl = new XTemplate( "updatestep1.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'DATA', $array );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		$xtpl->assign( 'URL_DELETE', NV_BASE_ADMINURL . 'index.php?' . NV_NAME_VARIABLE . '=webtools&amp;' . NV_OP_VARIABLE . '=deleteupdate&amp;checksess=' . md5( $global_config['sitekey'] . session_id() ) );
		$xtpl->assign( 'URL_RETURN', NV_BASE_ADMINURL . 'index.php?' . NV_NAME_VARIABLE . '=siteinfo' );
		
		$xtpl->assign( 'RELEASE_DATE', ! empty( $this->config['release_date'] ) ? nv_date( 'd/m/Y H:i:s', $this->config['release_date'] ) : "N/A" );
		$xtpl->assign( 'ALLOW_OLD_VERSION', ! empty( $this->config['allow_old_version'] ) ? implode( ', ', $this->config['allow_old_version'] ) : "N/A" );
		$xtpl->assign( 'UPDATE_AUTO_TYPE', isset( $this->config['update_auto_type'] ) ? $this->lang['update_auto_type_' . $this->config['update_auto_type']] : "N/A" );
		
		if( ! empty( $this->config['formodule'] ) and empty( $array['module_exist'] ) )
		{
			$xtpl->parse( 'main.notexistmod' );
		}
		else
		{
			if( $array['isupdate_allow'] )
			{
				$xtpl->parse( 'main.infoupdate.canupdate' );
			}
			else
			{
				$xtpl->parse( 'main.infoupdate.cannotupdate' );
			}
			
			$xtpl->parse( 'main.infoupdate' );
		}
		
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
	
	/**
	 * NvUpdate::step2()
	 * 
	 * @param mixed $array
	 * @param mixed $substep
	 * @return
	 */
	public function step2( $array, $substep )
	{
		global $global_config;
		
		$xtpl = new XTemplate( "updatestep2.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'DATA', $array );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		if( $substep == 1 ) // Back up cac file de phong bat trac
		{
			$checksess = md5( $global_config['sitekey'] . session_id() );
		
			if( $array['data_backuped'] ) // Thong bao da backup CSDL vao luc
			{
				$xtpl->assign( 'DATA_MESSAGE', sprintf( $this->lang['update_data_backuped'], nv_date( 'H:i d/m/Y', $array['data_backuped'] ) ) );
				$xtpl->parse( 'main.step1.data_backuped' );
			}
		
			if( $array['is_data_backup'] ) // Cho phep backup CSDL
			{
				$xtpl->assign( 'URL_DUMP_DB_BACKUP', NV_BASE_SITEURL . "install/update.php?step=" . $this->config['step'] . "&amp;substep=" . $substep . "&amp;dump&amp;checksess=" . $checksess );
				$xtpl->parse( 'main.step1.is_data_backup' );
			}
			else // Thong bao khong cho backup CSDL nua
			{
				$xtpl->parse( 'main.step1.no_data_backup' );
			}
			
			if( $array['file_backuped'] ) // Thong bao da backup CODE vao luc
			{
				$xtpl->assign( 'FILE_MESSAGE', sprintf( $this->lang['update_file_backuped'], nv_date( 'H:i d/m/Y', $array['file_backuped'] ) ) );
				$xtpl->parse( 'main.step1.file_backuped' );
			}
			
			if( $array['is_file_backup'] ) // Cho phep backup CODE
			{
				$xtpl->assign( 'URL_DUMP_FILE_BACKUP', NV_BASE_SITEURL . "install/update.php?step=" . $this->config['step'] . "&substep=" . $substep . "&amp;dumpfile&amp;checksess=" . $checksess );
				$xtpl->parse( 'main.step1.is_file_backup' );
			}
			
			$xtpl->parse( 'main.step1' );
		}
		elseif( $substep == 2 )
		{
			if( $this->config['update_auto_type'] == 0 )
			{
				$xtpl->parse( 'main.step2.manual' );
			}
			else
			{
				if( $array['is_move_file'] )
				{
					$xtpl->parse( 'main.step2.automatic.semiautomatic' );
				}
				elseif( $this->config['update_auto_type'] == 1 )
				{
					$xtpl->parse( 'main.step2.automatic.fullautomatic' );
				}
				else
				{
					$xtpl->parse( 'main.step2.automatic.info' );
				}
				
				// Cong viec lien quan CSDL
				if( ! empty( $array['data_list'] ) )
				{
					foreach( $array['data_list'] as $w )
					{
						$w['title'] = isset( $this->lang[$w['langkey']] ) ? $this->lang[$w['langkey']] : "N/A";
					
						$xtpl->assign( 'ROW', $w );
						$xtpl->parse( 'main.step2.automatic.data.loop' );
					}
						
					$xtpl->parse( 'main.step2.automatic.data' );
				}
				else
				{
					$xtpl->parse( 'main.step2.automatic.nodata' );
				}
					
				// Cong viec lien quan cac file
				if( ! empty( $array['file_list'] ) )
				{
					foreach( $array['file_list'] as $w )
					{
						$xtpl->assign( 'ROW', $w );
						$xtpl->parse( 'main.step2.automatic.file.loop' );
					}
					
					$xtpl->parse( 'main.step2.automatic.file' );
				}
				else
				{
					$xtpl->parse( 'main.step2.automatic.nofile' );
				}
			
				$xtpl->parse( 'main.step2.automatic' );
			}
		
			$xtpl->parse( 'main.step2' );
		}
		elseif( $substep == 3 )
		{
			if( ! empty( $array['errorStepMoveFile'] ) )
			{
				$xtpl->parse( 'main.step3.error' );
			}
			else
			{				
				// Viet cac tien trinh
				foreach( $array['task'] as $task )
				{
					$xtpl->assign( 'ROW', $task );
					$xtpl->parse( 'main.step3.data.loop' );
				}
				
				if( ! empty( $array['stopprocess'] ) ) // Dung cong viec do loi
				{
					$xtpl->assign( 'ERROR_MESSAGE', sprintf( $this->lang['update_task_error_message'], $array['stopprocess']['title'] ) );
					$xtpl->parse( 'main.step3.data.errorProcess' );
				}
				elseif( $array['AllPassed'] == true ) // Hoan tat cong viec va chuyen sang buoc tiep theo
				{
					$xtpl->parse( 'main.step3.data.AllPassed' );
				}
				else // Tiep tuc khoi chay tien trinh
				{
					$xtpl->parse( 'main.step3.data.ConStart' );
				}
				
				if( $array['AllPassed'] == true and empty( $array['stopprocess'] ) )
				{
					$xtpl->parse( 'main.step3.data.next_step' );
				}
				
				$xtpl->parse( 'main.step3.data' );
			}
			
			$xtpl->parse( 'main.step3' );
		}
		elseif( $substep == 4 )
		{
			global $sys_info, $nv_update_config;
			
			if( ! $array['getcomplete'] and ! empty( $array['file_list'] ) )
			{
				if( substr( $sys_info['os'], 0, 3 ) == 'WIN' )
				{
					$xtpl->parse( 'main.step4.win' );
				}
				
				if( $array['FTP_nosupport'] )
				{
					$xtpl->parse( 'main.step4.FTP_nosupport' );
				}
				elseif( $array['check_FTP'] )
				{
					$xtpl->assign( 'ACTIONFORM', NV_BASE_SITEURL . "install/update.php?step=" . $this->config['step'] . "&amp;substep=" . $substep );
					
					if( ! empty( $array['ftpdata']['error'] ) and $array['ftpdata']['show_ftp_error'] )
					{
						$xtpl->parse( 'main.step4.check_FTP.errorftp' );
					}
					
					$xtpl->parse( 'main.step4.check_FTP' );
				}
			}
			
			$xtpl->assign( 'OK_MESSAGE', sprintf( $this->lang['update_move_complete'], sizeof( $nv_update_config['updatelog']['file_list'] ) ) );
			
			if( empty( $array['file_list'] ) )
			{
				$xtpl->parse( 'main.step4.complete' );
				$xtpl->parse( 'main.step4.next_step' );
			}
			else
			{
				$xtpl->assign( 'PROCESS_MESSAGE', sprintf( $this->lang['update_move_num'], sizeof( $array['file_list'] ), sizeof( $nv_update_config['updatelog']['file_list'] ) ) );
				$xtpl->parse( 'main.step4.process' );
			}
			
			// Danh sach cac file se bi tac dong
			foreach( $nv_update_config['updatelog']['file_list'] as $fileID => $fileName )
			{
				$xtpl->assign( 'ROW', array( 'id' => $fileID, 'name' => $fileName, 'status' => in_array( $fileName, $array['file_list'] ) ? '' : ' iok' ) );
				$xtpl->parse( 'main.step4.loop' );
			}
			
			$xtpl->parse( 'main.step4' );
		}
		elseif( $substep == 5 )
		{
			if( $array['error'] )
			{
				$xtpl->parse( 'main.step5.error' );
			}
			else
			{
				$xtpl->parse( 'main.step5.guide' );
			}
			
			$xtpl->parse( 'main.step5' );
		}
		
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
	
	/**
	 * NvUpdate::step3()
	 * 
	 * @param mixed $array
	 * @return
	 */
	public function step3( $array )
	{
		global $global_config;
		
		$xtpl = new XTemplate( "updatestep3.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'DATA', $array );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		$xtpl->assign( 'URL_DELETE', NV_BASE_ADMINURL . 'index.php?' . NV_NAME_VARIABLE . '=webtools&amp;' . NV_OP_VARIABLE . '=deleteupdate&amp;checksess=' . md5( $global_config['sitekey'] . session_id() ) );
		$xtpl->assign( 'URL_GOHOME', NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA );
		$xtpl->assign( 'URL_GOADMIN', NV_BASE_ADMINURL );

		if( empty( $this->config['formodule'] ) )
		{
			$xtpl->parse( 'main.typefull' );
		}
		else
		{
			$xtpl->parse( 'main.typemodule' );
		}
		
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
	
	/**
	 * NvUpdate::PackageErrorTheme()
	 * 
	 * @return
	 */
	public function PackageErrorTheme()
	{
		global $global_config;
		
		$xtpl = new XTemplate( "packageerror.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		$xtpl->assign( 'URL_DELETE', NV_BASE_ADMINURL . 'index.php?' . NV_NAME_VARIABLE . '=webtools&amp;' . NV_OP_VARIABLE . '=deleteupdate&amp;checksess=' . md5( $global_config['sitekey'] . session_id() ) );
		$xtpl->assign( 'URL_RETURN', NV_BASE_ADMINURL . 'index.php?' . NV_NAME_VARIABLE . '=siteinfo' );
		
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
	
	/**
	 * NvUpdate::version_info()
	 * 
	 * @param mixed $array
	 * @return
	 */
	public function version_info( $array )
	{		
		$xtpl = new XTemplate( "updatestep3.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'DATA', $array );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		if( $array['checkversion'] )
		{
			$xtpl->parse( 'version_info.checkversion' );
		}
		
		$xtpl->parse( 'version_info' );
		echo( $xtpl->text( 'version_info' ) );
		exit();
	}
	
	/**
	 * NvUpdate::module_info()
	 * 
	 * @param mixed $onlineModules
	 * @param mixed $userModules
	 * @return
	 */
	public function module_info( $onlineModules, $userModules )
	{		
		global $global_config;
		
		$xtpl = new XTemplate( "updatestep3.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		$i = 0;
		foreach( $userModules as $mod )
		{
			if( $mod['mode'] != 'sys' )
			{
				$mod['note'] = $this->lang['update_mod_othermod'];
			}
			else
			{
				$mod['note'] = $this->lang['update_mod_uptodate'];
			}
		
			$mod['class'] = $i ++ % 2 ? 'specalt' : 'spec';
			$mod['time'] = nv_date( 'd/m/y H:i', $mod['time'] );
			
			$xtpl->assign( 'ROW', $mod );
			$xtpl->parse( 'module_info.loop' );
		}
		
		$xtpl->parse( 'module_info' );
		echo( $xtpl->text( 'module_info' ) );
		exit();
	}
	
	/**
	 * NvUpdate::module_com_info()
	 * 
	 * @param mixed $onlineModules
	 * @return
	 */
	public function module_com_info( $onlineModules )
	{		
		global $global_config;
		
		$xtpl = new XTemplate( "updatestep3.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'CONFIG', $this->config );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		
		$lastest_version = "N/A";
		if( ! isset( $onlineModules[$this->config['formodule']] ) )
		{
			$xtpl->parse( 'commodule.notcertified' );
		}
		else
		{
			$lastest_version = isset( $onlineModules[$this->config['formodule']]['version'] ) ? ( string ) $onlineModules[$this->config['formodule']]['version'] : "N/A";
			
			if( nv_version_compare( $lastest_version, $this->config['to_version'] ) > 0 )
			{
				$xtpl->parse( 'commodule.checkversion' );
			}
		}
		
		$xtpl->assign( 'LASTEST_VERSION', $lastest_version );
		
		$xtpl->parse( 'commodule' );
		echo( $xtpl->text( 'commodule' ) );
		exit();
	}
	
	/**
	 * NvUpdate::log()
	 * 
	 * @param mixed $nv_update_config
	 * @param mixed $content
	 * @param mixed $status
	 * @return
	 */
	public function log( $nv_update_config, $content, $status )
	{
		global $client_info;
		
		// Danh dau phien bat dau khoi tao
		if( ! isset( $nv_update_config['updatelog']['starttime'] ) )
		{
			$nv_update_config['updatelog']['starttime'] = NV_CURRENTTIME;
			$this->set_data_log( $nv_update_config['updatelog'] );
		}
		
		$file_log = 'log-update-' . nv_date( 'H-i-s-d-m-Y', $nv_update_config['updatelog']['starttime'] ) . '-' . $client_info['session_id'] . '.log';
		
		$time = nv_date( 'H:i:s_d-m-Y' );
		
		if( ! is_array( $content ) )
		{
			$content = array( 0 => $content );
			$status = array( 0 => $status );
		}
		
		$contents = '';
		foreach( $content as $key => $mess )
		{
			$st = empty( $status[$key] ) ? 'FAILURE' : 'SUCCESS';
			$contents .= $time . '  |  ' . $client_info['ip'] . '  |  ' . $mess . '  |  ' . $st . "\n";
		}
		
		if( ! file_exists( NV_ROOTDIR . "/" . NV_LOGS_DIR . "/data_logs/" . $file_log ) )
		{
			$contents = $this->lang['update_log_start'] . ':   ' . $time . "\n" . $contents;
		}
		
		file_put_contents( NV_ROOTDIR . "/" . NV_LOGS_DIR . "/data_logs/" . $file_log, $contents, FILE_APPEND );
	}
	
	/**
	 * NvUpdate::call_error()
	 * 
	 * @param mixed $message
	 * @return
	 */
	public function call_error( $message )
	{
		$xtpl = new XTemplate( "updateerror.tpl", NV_ROOTDIR . "/install/tpl" );
		$xtpl->assign( 'LANG', $this->lang );
		$xtpl->assign( 'NV_BASE_SITEURL', NV_BASE_SITEURL );
		$xtpl->assign( 'MESSAGE', $message );
		
		$xtpl->parse( 'main' );
		return $xtpl->text( 'main' );
	}
}

// Load lai phien lam viec
$nv_update_config['updatelog'] = array();
if( file_exists( NV_ROOTDIR . "/" . NV_DATADIR . "/config_update_" . $nv_update_config['packageID'] . ".php" ) )
{
	include ( NV_ROOTDIR . "/" . NV_DATADIR . "/config_update_" . $nv_update_config['packageID'] . ".php" );
}

// Buoc nang cap
$nv_update_config['step'] = $nv_Request->get_int( 'step', 'get', 1 );
if( $nv_update_config['step'] < 1 or ! isset( $nv_update_config['updatelog']['step'] ) or $nv_update_config['step'] > 3 or $nv_update_config['updatelog']['step'] < ( $nv_update_config['step'] - 1 ) )
{
	$nv_update_config['step'] = 1;
}

$NvUpdate = new NvUpdate( $nv_update_config );

// Goi $site_mod neu cap nhat module
if( ! empty( $nv_update_config['formodule'] ) ) $site_mods = nv_site_mods();

// Trang chinh
$contents = "";

if( $nv_update_config['step'] == 1 ) // Kiem tra phien ban va tuong thich du lieu
{
	if( $NvUpdate->check_package() === false ) // Kiem tra chuan goi cap nhat
	{
		$contents = $NvUpdate->PackageErrorTheme();
	}
	else
	{
		$array = array();
		
		// Kiem tra ton tai module can nang cap neu kieu nang cap module
		if( ! empty( $nv_update_config['formodule'] ) )
		{
			$array['module_exist'] = false;
			
			foreach( $site_mods as $mod )
			{
				if( $mod['module_file'] == $nv_update_config['formodule'] )
				{
					$array['module_exist'] = true;
					break;
				}
			}

			if( $array['module_exist'] )
			{
				// Lay phien ban module
				$sql = "SELECT `mod_version` FROM `" . $db_config['prefix'] . "_setup_modules` WHERE `module_file`=" . $db->dbescape( $nv_update_config['formodule'] );
				$result = $db->sql_query( $sql );
				$row = $db->sql_fetchrow( $result );
				
				$v = "";
				$d = 0;
				if ( preg_match( "/^([^\s]+)\s+([\d]+)$/", $row['mod_version'], $matches ) )
				{
					$v = ( string )$matches[1];
					$d = ( int )$matches[2];
				}
				
				$array['current_version'] = trim( $v );
			}
			else
			{
				$array['current_version'] = "";
			}
		}
		else
		{
			$array['current_version'] = $NvUpdate->build_full_ver( $global_config['version'], $global_config['revision'] );
		}
		
		// Kiem tra ho tro phien ban nang cap
		if( in_array( $array['current_version'], $nv_update_config['allow_old_version'] ) )
		{
			$array['ability'] = $lang_module['update_ability_1'];
			$array['isupdate_allow'] = true;
		}
		else
		{
			$array['ability'] = $lang_module['update_ability_0'];
			$array['isupdate_allow'] = false;
		}
		
		// Kiem tra va ghi log data
		$step = ( $array['isupdate_allow'] ) ? 1 : 0;
		if( $step == 0 or ! isset( $nv_update_config['updatelog']['step'] ) or $nv_update_config['updatelog']['step'] < $step )
		{
			$nv_update_config['updatelog']['step'] = $step;
			$nv_update_config['updatelog']['old_version'] = $array['current_version'];
			$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
		}
		unset( $step );
		
		$contents = $NvUpdate->step1( $array );
	}
}
elseif( $nv_update_config['step'] == 2 ) // Buoc nang cap: Backup => List cong viec => Cap nhat CSDL => Di chuyen file => Nang cap bang tay.
{
	$array = array();
	$set_log = false;
	
	// Kiem tra thu tu cac buoc con
	$nv_update_config['substep'] = $nv_Request->get_int( 'substep', 'get', 1 );
	if( $nv_update_config['substep'] < 1 or ! isset( $nv_update_config['updatelog']['substep'] ) or $nv_update_config['substep'] > 5 or $nv_update_config['updatelog']['substep'] < ( $nv_update_config['substep'] - 1 ) )
	{
		$nv_update_config['substep'] = 1;
	}
	
	if( $nv_update_config['substep'] == 1 ) // Backup CSDL va CODE
	{
		// Backup CSDL
		if( $nv_Request->isset_request( 'dump', 'get' ) )
		{
			$checksess = filter_text_input( 'checksess', 'get', '' );
			if( $checksess != md5( $global_config['sitekey'] . session_id() ) ) die( 'Error!!!' );
			
			$type = filter_text_input( 'type', 'get', '' );
			
			$current_day = mktime( 0, 0, 0, date( "n", NV_CURRENTTIME ), date( "j", NV_CURRENTTIME ), date( "Y", NV_CURRENTTIME ) );

			$contents = array();
			$contents['savetype'] = ( $type == "sql" ) ? "sql" : "gz";
			$file_ext = ( $contents['savetype'] == "sql" ) ? "sql" : "sql.gz";
			$log_dir = NV_ROOTDIR . "/" . NV_LOGS_DIR . "/dump_backup";

			$contents['filename'] = $log_dir . "/" . md5( nv_genpass( 10 ) . $client_info['session_id'] ) . "_" . $current_day . "." . $file_ext;

			if( ! file_exists( $contents['filename'] ) )
			{
				$contents['tables'] = array();
				$res = $db->sql_query( "SHOW TABLES LIKE '" . $db_config['prefix'] . "_%'" );
				
				while( $item = $db->sql_fetchrow( $res ) )
				{
					$contents['tables'][] = $item[0];
				}
				$db->sql_freeresult( $res );

				$contents['type'] = "all";

				include ( NV_ROOTDIR . "/includes/core/dump.php" );

				$dump = nv_dump_save( $contents );
				
				// Ghi log
				$NvUpdate->log( $nv_update_config, $lang_module['update_dump'] . ' ' . $contents['savetype'], $dump );
			
				if( $dump == false )
				{
					die( $lang_module['update_dump_error'] );
				}
				else
				{
					$file = str_replace( NV_ROOTDIR . "/" . NV_LOGS_DIR . "/dump_backup/", "", $dump[0] );
					
					// Danh dau da sao luu CSDL
					$nv_update_config['updatelog']['data_backuped'] = NV_CURRENTTIME;
					$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
					
					die( $lang_module['update_dump_ok'] . ' ' . nv_convertfromBytes( $dump[1] ) . '<br /><a href="' . NV_BASE_ADMINURL . "index.php?" . NV_NAME_VARIABLE . "=database&amp;" . NV_OP_VARIABLE . "=getfile&amp;filename=" . $file. "&amp;checkss=" . md5( $file . $client_info['session_id'] . $global_config['sitekey'] ) . '" title="' . $lang_module['update_dump_download'] . '">' . $lang_module['update_dump_download'] . '</a>'  );
				}
			}
			else
			{
				die( $lang_module['update_dump_exist'] );
			}
		}
		
		// Download CODE thay doi
		if( $nv_Request->isset_request( 'downfile', 'get' ) )
		{
			$checksess = filter_text_input( 'checksess', 'get', '' );
			if( $checksess != md5( $global_config['sitekey'] . session_id() ) ) die( 'Error!!!' );
			
			$file = filter_text_input( 'downfile', 'get', '' );
			
			if( ! file_exists( NV_ROOTDIR . '/' . NV_LOGS_DIR . '/data_logs/' . $file ) )
			{
				$NvUpdate->log( $nv_update_config, $lang_module['update_log_dump_file_down'], false );
				die('Error Access!!!');
			}
			else
			{
				$NvUpdate->log( $nv_update_config, $lang_module['update_log_dump_file_down'], true );
				
				//Download file
				require_once ( NV_ROOTDIR . '/includes/class/download.class.php' );

				$download = new download( NV_ROOTDIR . '/' . NV_LOGS_DIR . '/data_logs/' . $file, NV_ROOTDIR . '/' . NV_LOGS_DIR . '/data_logs', 'backup_update_' . date( 'Y_m_d' ) . '.zip' );
				$download->download_file();
				exit();
			}
		}
		
		// Sao luu file thay doi
		if( $nv_Request->isset_request( 'dumpfile', 'get' ) )
		{
			$zip_file_backup = array();
			
			// Sao luu file thay doi
			if( ! empty( $nv_update_config['updatelog']['file_list'] ) )
			{
				foreach ( $nv_update_config['updatelog']['file_list'] as $file_i )
				{
					if ( is_file( NV_ROOTDIR . '/' . $file_i ) )
					{
						$zip_file_backup[] = NV_ROOTDIR . '/' . $file_i;
					}
				}
			}
			
			// Sao luu tat ca cac file | Cu de nhung tam thoi co le khong dung duoc
			if( empty( $zip_file_backup ) )
			{
				$file_list = $NvUpdate->list_all_file( NV_ROOTDIR );
				
				foreach( $file_list as $file_i )
				{
					if( ! preg_match( '/^install\/update\/(.*)$/', $file_i ) )
					{
						$zip_file_backup[] = NV_ROOTDIR . '/' . $file_i;
					}
				}
			}
			
			if ( ! empty( $zip_file_backup ) )
			{
				$file_src = 'backup_update_' . date( 'Y_m_d' ) . '_' . md5( $global_config['sitekey'] . session_id() ) . '.zip';

				// Kiem tra file ton tai
				$filename2 = $file_src;
				$i = 1;
				while( file_exists( NV_ROOTDIR . '/' . NV_LOGS_DIR . '/data_logs/' . $filename2 ) )
				{
					$filename2 = preg_replace( '/(.*)(\.[a-zA-Z0-9]+)$/', '\1_' . $i . '\2', $file_src );
					$i++;
				}
				
				require_once NV_ROOTDIR . '/includes/class/pclzip.class.php';
				$zip = new PclZip( NV_ROOTDIR . '/' . NV_LOGS_DIR . '/data_logs/' . $filename2 );
				$return = $zip->add( $zip_file_backup, PCLZIP_OPT_REMOVE_PATH, NV_ROOTDIR );
				
				if ( empty( $return ) )
				{
					// Ghi Log
					$NvUpdate->log( $nv_update_config, $lang_module['update_log_dump_file'], false );
					
					die( $lang_module['update_file_backup_error'] );
				}
				else
				{				
					// Ghi log
					$NvUpdate->log( $nv_update_config, $lang_module['update_log_dump_file'], true );
					
					// Danh dau da sao luu
					$nv_update_config['updatelog']['file_backuped'] = NV_CURRENTTIME;
					$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
					
					die( '<a href="' . NV_BASE_SITEURL . 'install/update.php?step=2&amp;substep=4&downfile=' . $filename2 . '&checksess=' . md5( $global_config['sitekey'] . session_id() ) . '" title="' . $lang_module['update_log_dump_file_down'] . '">' . $lang_module['update_file_backup_ok'] . '</a>' );
				}
			}
		}
		
		// Cong viec di chuyen file
		if( ! isset( $nv_update_config['updatelog']['file_list'] ) )
		{
			$file_list = $NvUpdate->list_all_file();
			$nv_update_config['updatelog']['file_list'] = $file_list;
			$set_log = true;
		}
		
		// Cong viec nang cap CSDL
		if( ! isset( $nv_update_config['updatelog']['data_list'] ) )
		{
			$data_list = $NvUpdate->list_data_update();
			$nv_update_config['updatelog']['data_list'] = $data_list;
			$set_log = true;
		}
		
		// Kiem tra va backup
		$array['is_file_backup'] = true;
		$array['file_backuped'] = isset( $nv_update_config['updatelog']['file_backuped'] ) ? $nv_update_config['updatelog']['file_backuped'] : 0;
		if( isset( $nv_update_config['updatelog']['is_start_move_file'] ) ) // Bat dau di chuyen file roi thi khong backup
		{
			$array['is_file_backup'] = false;
		}
		elseif( empty( $nv_update_config['updatelog']['file_list'] ) )
		{
			$array['is_file_backup'] = false;
		}
		
		$array['is_data_backup'] = true;
		$array['data_backuped'] = isset( $nv_update_config['updatelog']['data_backuped'] ) ? $nv_update_config['updatelog']['data_backuped'] : 0;
		if( isset( $nv_update_config['updatelog']['is_start_up_db'] ) ) // Da cap nhat CSDL roi thi khong backup
		{
			$array['is_data_backup'] = false;
		}
		
		// Luu lai cong viec se thuc hien
		if( ! isset( $nv_update_config['updatelog']['substep'] ) or $nv_update_config['updatelog']['substep'] < 1 )
		{
			$nv_update_config['updatelog']['substep'] = 1; // Buoc nay co the bo qua do do luu de sang buoc 2
			$set_log = true;
		}
		
		// Ghi data log
		if( $set_log )
		{
			$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
		}
		
		// Kiem tra va chuyen huong neu khong co thay doi CSDL va FILE
		if( empty( $nv_update_config['updatelog']['file_list'] ) and empty( $nv_update_config['updatelog']['data_list'] ) )
		{
			if( $nv_update_config['update_auto_type'] == 0 ) // Neu la nang cap thu cong thi kiem tra file va dieu huong
			{
				if( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
				{
					// Chuyen buoc 2/2 - Nang cap thu cong
					Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=2&substep=2' );
					exit();
				}
				else
				{
					// Chuyen buoc 3
					$nv_update_config['updatelog']['step'] = 2;
					$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
					
					Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=3' );
					exit();
				}
			}
			elseif( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) ) // Neu nguoc lai kiem tra file ton tai chuyen buoc 5/2
			{
				$nv_update_config['updatelog']['substep'] = 4;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=2&substep=5' );
				exit();
			}
			else // Chuyen buoc 3
			{
				$nv_update_config['updatelog']['step'] = 2;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=3' );
				exit();
			}
		}
	}
	elseif( $nv_update_config['substep'] == 2 ) // Kiem tra va thong ke cac cong viec se thuc hien
	{
		// Nang cap bang tay
		if( $nv_update_config['update_auto_type'] == 0 )
		{
			$array['guide'] = "N/A";
			
			// Co file huong dan thi goi ra
			if( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
			{
				$array['guide'] = file_get_contents( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' );
			}
			// Khong co file huong dan thi chuyen sang buoc 3
			else
			{
				$nv_update_config['updatelog']['step'] = 2;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=3' );
				exit();
			}
			
			// Ghi lai data log
			if( $nv_update_config['updatelog']['step'] < 2 )
			{
				$nv_update_config['updatelog']['step'] = 2;
				$set_log = true;
			}
		}
		// Nang cap tu dong/Nua tu dong
		else
		{
			// De den duoc day thi bat buoc phai co mot trong hai cong viec ben duoi
			// Danh dau buoc nay de den buoc tiep theo
			if( $nv_update_config['updatelog']['substep'] < 2 )
			{
				$nv_update_config['updatelog']['substep'] = 2;
				$set_log = true;
			}
			
			// Xac dinh phai di chuyen cac file thu cong
			$array['is_move_file'] = false;
			if( $nv_update_config['update_auto_type'] == 2 and ! empty( $nv_update_config['updatelog']['file_list'] ) )
			{
				$array['is_move_file'] = true;
			}
			
			$array['file_list'] = $nv_update_config['updatelog']['file_list'];
			$array['data_list'] = $nv_update_config['updatelog']['data_list'];
		}
		
		if( $set_log === true )
		{
			$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
		}
	}
	elseif( $nv_update_config['substep'] == 3 ) // Buoc cap nhat CSDL
	{
		// Kiem tra loi neu buoc cap nhat nua tu dong
		$array['errorStepMoveFile'] = false;
		if( $nv_update_config['update_auto_type'] == 2 )
		{
			$check_list_file = $NvUpdate->list_all_file();
			if( ! empty( $check_list_file ) )
			{
				$array['errorStepMoveFile'] = true;
			}
			elseif( ! isset( $nv_update_config['updatelog']['is_start_move_file'] ) )
			{
				// Danh dau da di chuyen cac file roi
				$nv_update_config['updatelog']['is_start_move_file'] = NV_CURRENTTIME;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
			}
			
			// Neu khong co cong viec nang cap CSDL nao va kieu nang cap nua tu dong thi chuyen den buoc 3 neu khong co huong dan nang cap
			if( empty( $nv_update_config['updatelog']['data_list'] ) and ! file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
			{
				$nv_update_config['updatelog']['step'] = 2;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=3' );
				exit();
			}
			// Chuyen den buoc 5 de xem huong dan nang cap
			elseif( empty( $nv_update_config['updatelog']['data_list'] ) )
			{
				$nv_update_config['updatelog']['substep'] = 4;
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=2&substep=5' );
				exit();
			}
		}
		
		// Neu khong co cong viec nang cap CSDL nao thi chuyen den buoc 4
		if( empty( $nv_update_config['updatelog']['data_list'] ) )
		{
			$nv_update_config['updatelog']['substep'] = 3;
			$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
			
			Header( 'Location:' . NV_BASE_SITEURL . 'install/update.php?step=2&substep=4' );
			exit();
		}
		
		if( ! $array['errorStepMoveFile'] )
		{
			// Tien trinh bat dau chay
			if( $nv_Request->isset_request( 'load', 'get' ) )
			{
				$func = filter_text_input( 'load', 'get', '' );
				
				$nv_update_baseurl = NV_BASE_SITEURL . 'install/update.php?step=2&substep=3&load=' . $func;
				$old_module_version = $nv_update_config['updatelog']['old_version'];
				
				/*
				Chuan hoa tra ve cho Ajax
				status|funcname|functitle|url|lang|message|stop|allcomplete
				
				status:
				- 0: That bai
				- 1: Thanh cong
				
				funcname: Ten ham tiep theo thuc hien
				functitle: Ten cong viec tiep theo se thuc hien
				url: Duong dan tiep theo duoc load
				lang: Cac ngon ngu bi loi
				message: Thong tin (duoc add vao functitle sau dau -)
				stop: Dung tien trinh
				allcomplete: Hoan tat tat ca tien trinh
				*/
				
				$return = array(
					'status' => '0',
					'funcname' => 'NO',
					'functitle' => 'NO',
					'url' => 'NO',
					'lang' => 'NO',
					'message' => 'NO',
					'stop' => '1',
					'allcomplete' => '0',
				);
				
				if( ! isset( $nv_update_config['updatelog']['data_list'][$func] ) ) $return['stop'] = '1';
				if( ! nv_function_exists( $func ) ) $return['stop'] = '1';
				
				$check_return = call_user_func( $func ); // Goi ham thuc hien nang cap
				
				// Trang thai thuc hien
				$return['status'] = $check_return['status'] ? '1' : '0';
				$return['stop'] = ( $check_return['status'] == 0 and $nv_update_config['updatelog']['data_list'][$func]['require'] == 2 ) ? '1' : '0';
				$return['message'] = $check_return['message'];
				
				$last_task = end( $nv_update_config['updatelog']['data_list'] );
				$last_task_key = key( $nv_update_config['updatelog']['data_list'] );
				// Kiem tra ket thuc tien trinh
				if( $last_task_key == $func and $return['stop'] == '0' )
				{
					$return['allcomplete'] = '1';
					
					// Ghi lai de chuyen sang buoc tiep theo
					if( $nv_update_config['update_auto_type'] == 2 )
					{
						if( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
						{
							$nv_update_config['updatelog']['substep'] = 4;
							$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
						}
						else
						{
							$nv_update_config['updatelog']['step'] = 2;
							$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
						}
					}
					else
					{
						$nv_update_config['updatelog']['substep'] = 3;
						$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
					}
				}
				
				if( $return['allcomplete'] != '1' and $return['stop'] != '1' )
				{
					// Kiem tra tiep tuc, neu tiep tuc thi khong can URL
					if( $check_return['next'] )
					{
						$is_get_next = false;
						foreach( $nv_update_config['updatelog']['data_list'] as $k => $v )
						{
							if( $is_get_next == true )
							{
								$return['funcname'] = $k;
								$v['title'] = isset( $lang_module[$v['langkey']] ) ? $lang_module[$v['langkey']] : "N/A";
								$return['functitle'] = $v['title'];
								break;
							}
							if( $k == $func ) $is_get_next = true;
						}
						unset( $is_get_next, $k, $v );
					}
					else
					{
						$return['url'] = $check_return['link'];
						$return['funcname'] = $func;
						$langkey = $nv_update_config['updatelog']['data_list'][$func]['langkey'];
						$return['functitle'] = isset( $lang_module[$langkey] ) ? $lang_module[$langkey] : "N/A";
						unset( $langkey );
					}
				}
				
				// Danh dau log passed
				if( $check_return['complete'] == 1 )
				{
					$nv_update_config['updatelog']['data_passed'][$func] = $check_return['status'] ? 1 : 2;
					
				}
				
				if( ! isset( $nv_update_config['updatelog']['is_start_up_db'] ) )
				{
					$nv_update_config['updatelog']['is_start_up_db'] = NV_CURRENTTIME;
				}
				
				// Ghi log data
				$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
				
				// Ghi logs
				$langkey = $nv_update_config['updatelog']['data_list'][$func]['langkey'];
				$functitle = isset( $lang_module[$langkey] ) ? $lang_module[$langkey] : "N/A";
				$log_message = $functitle . ( $check_return['message'] ? ( ' - ' . $check_return['message'] ) : '' );
				$NvUpdate->log( $nv_update_config, $log_message, $check_return['status'] );
				
				die( implode( '|', $return ) );
			}
			
			$array['task'] = array();
			$array['started'] = false; // Da bat dau chua
			$array['nextfunction'] = ''; // Ham tiep theo se thuc hien
			$array['nextftitle'] = ''; // Ten cong viec tiep theo se thuc hien
			$array['stopprocess'] = array(); // Dung tien trinh
			$array['AllPassed'] = false; // Da hoan tat toan bo cac cong viec
			
			$get_next_func = false;
			$num_passed = 0;
			
			foreach( $nv_update_config['updatelog']['data_list'] as $funcsname => $task )
			{
				// Xuat tieu de
				$task['title'] = isset( $lang_module[$task['langkey']] ) ? $lang_module[$task['langkey']] : "N/A";
				
				// Khoi tao ham tiep theo thuc hien
				if( empty( $array['nextfunction'] ) )
				{
					$array['nextfunction'] = $funcsname;
					$array['nextftitle'] = $task['title'];
				}
				
				// Danh dau ham tiep theo se thuc hien
				if( $get_next_func == true )
				{
					$array['nextfunction'] = $funcsname;
					$array['nextftitle'] = $task['title'];
					$get_next_func = false;
				}
				
				// $passed:
				//	- 0: Chua thuc hien
				//	- 1: Da hoan thanh
				//	- 2: That bai				
				$passed = isset( $nv_update_config['updatelog']['data_passed'][$funcsname] ) ? $nv_update_config['updatelog']['data_passed'][$funcsname] : 0;
				switch( $passed )
				{
					case 0: $class = ''; break;
					case 1: $class = ' iok'; break;
					default: $class = ( ( $task['require'] == 0 ) ? ' iok' : ( ( $task['require'] == 1 ) ? ' iwarn' : ' ierror' ) );
				}
				$class_trim = trim( $class );
				
				// Da thuc hien thi danh dau da thuc hien
				if( $array['started'] == false and $passed > 0 ) $array['started'] = true;
				
				// Tinh toan ham tiep theo se thuc hien, them vao danh dach cac cong viec da thuc hien (du thanh cong hay that bai)
				if( $passed > 0 )
				{
					$get_next_func = true;
					$num_passed = $num_passed + 1;
				}
				
				// Dung tien trinh
				if( $class_trim == 'ierror' and empty( $array['stopprocess'] ) )
				{
					$array['stopprocess'] = array(
						'id' => $funcsname,
						'title' => $task['title']
					);
				}
				
				$status_title = $lang_module['update_task' . $class_trim ];
				
				$array['task'][$funcsname] = array(
					'id' => $funcsname,
					'title' => $task['title'],
					'require' => $task['require'],
					'class' => $class,
					'status' => $status_title,
				);
			}
			
			// Kiem tra hoan tat
			if( $num_passed == sizeof( $array['task'] ) )
			{
				$array['AllPassed'] = true;
				
				// Danh dau hoan tat de tiep tuc buoc di chuyen file (neu KHONG xay ra loi)
				if( empty( $array['stopprocess'] ) )
				{
					if( $nv_update_config['update_auto_type'] == 2 )
					{
						if( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
						{
							$nv_update_config['updatelog']['substep'] = 4;
							$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
						}
						else
						{
							$nv_update_config['updatelog']['step'] = 2;
							$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
						}
					}
					else
					{
						$nv_update_config['updatelog']['substep'] = 3;
						$NvUpdate->set_data_log( $nv_update_config['updatelog'] );
					}
				}
			}
			
			// Kiem tra buoc tiep theo
			if( $nv_update_config['update_auto_type'] == 2 )
			{
				if( file_exists( NV_ROOTDIR . '/install/update_docs_' . NV_LANG_UPDATE . '.html' ) )
				{
					$array['NextStepUrl'] = NV_BASE_SITEURL . 'install/update.php?step=2&amp;substep=5';
				}
				else
				{
					$array['NextStepUrl'] = NV_BASE_SITEURL . 'install/update.php?step=3';
				}
			}
			else
			{
				$array['NextStepUrl'] = NV_BASE_SITEURL . 'install/update.php?step=2&amp;substep=4'…