delete.php

一款基于PHP的网络日记程序。WikyBlog支持：多用户的 BLOG

<?php
//$lang checked

defined('WikyBlog') or die("Not an entry point...");


//
//				PAGE ACTION FUNCTIONS
//

if( !isOwner(true,false) ){
	return;
}

//	must be the owner to get this far..
//	just check to make sure there's not an admin lock
global $dbObject;
if( !$dbObject->editable ){
	message('Site administrators have put a lock on this file and cannot be deleted'); //!!lang
	return;
}

function deletePage(){
	global $page,$dbObject,$pageOwner,$wbTables;

	if( strpos($dbObject->flags,'deleted') !== false ){
		message('ALREADY_DELTED');
		return;
	}
	
	$flagsArray = explode(',',$dbObject->flags);
	array_push($flagsArray,'deleted');
	$empty = array('');
	$flagsArray = array_diff($flagsArray,$empty);

	$dbObject->flags = implode(',',$flagsArray);
	
	$query = 'UPDATE '.$wbTables['all_files'].', '.$dbObject->dbInfo['dbTable'];
	$query .= ' SET flags = "'. $dbObject->flags.'" ';
	$query .= ' WHERE ';
	$query .= $dbObject->dbInfo['dbTable'].'.`file_id` = "'.$dbObject->file_id.'" ';
	$query .= ' AND '.$wbTables['all_files'].'.`file_id` = '.$dbObject->dbInfo['dbTable'].'.`file_id` ';
	
	
	$result = wbDB::runQuery($query);
	$num = mysql_affected_rows();
	
	if($num == 0){
		message('ERROR_DELETING',$dbObject->uniqLink);
		return;
	}
	
	////	all_search
	allSearch::remove($dbObject);
	
	////	$pageOwner['keywords']
	if( strpos($dbObject->flags,'hidden') === false){
		includeFile('tool/Tags.php');
		updateTags($dbObject->keywords,'');
	}
	
	message('WAS_DELETED',$dbObject->uniqLink,wbLinks::special('Trash','trash'));
	
	adjustOwnerUsage('sub');
}

//
//
//
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
//
//		restorePage()
//

function restorePage(){
	global $dbObject,$wbTables;
	
	if( strpos($dbObject->flags,'deleted') === false ){
		message('ALREADY_RESTORED');
		return;
	}
	
	
	$flagsArray = explode(',',$dbObject->flags);
	$remove = array('','deleted');
	$flagsArray = array_diff($flagsArray,$remove);

	$dbObject->flags = implode(',',$flagsArray);
	
	$query = 'UPDATE '.$wbTables['all_files'].', '.$dbObject->dbInfo['dbTable'];
	$query .= ' SET flags = "'. $dbObject->flags.'" ';
	$query .= ', modified = modified ';
	$query .= ' WHERE ';
	$query .= $dbObject->dbInfo['dbTable'].'.`file_id` = "'.$dbObject->file_id.'" ';
	$query .= ' AND '.$wbTables['all_files'].'.`file_id` = '.$dbObject->dbInfo['dbTable'].'.`file_id` ';

	$result = wbDB::runQuery($query);
	$num = mysql_affected_rows();
	if($num == 0){
		message('ERROR_RESTORING',$dbObject->uniqLink);
		return;
	}
	
	////	$pageOwner['keywords']
	if( strpos($dbObject->flags,'hidden') === false){
		includeFile('tool/Tags.php');
		updateTags('',$dbObject->keywords);
		allSearch::update($dbObject);
	}
	message('FILE_RESTORED',$dbObject->uniqLink);
	adjustOwnerUsage();
}

//
//
//
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
//
//		adjustOwnerUsage($which)
//			$pageOwner['fileUsage']
//
function adjustOwnerUsage($way='add'){
	global $dbObject,$pageOwner;
	
	$size = 0;
	$values = array_merge($dbObject->userValues,$dbObject->dbValues);
	foreach($values as $key => $nothing){
		$size += strlen($dbObject->$key);
	}
	if( $size < 1000 ){
		$n = 2;
	}else{
		$n = 5;
	}
	$size = round($size/$n,-2)*$n;
	$table = $dbObject->dbInfo['dbTable'];
	
	
	if($way==='add'){
		if( empty($pageOwner['fileUsage'][$table]) ){
			$pageOwner['fileUsage'][$table] = $size;
		}else{
			$pageOwner['fileUsage'][$table] += $size;
		}
	}elseif( isset($pageOwner['fileUsage'][$table]) ){
		$pageOwner['fileUsage'][$table] -= $size;
	}
	
	if( isset($pageOwner['fileUsage'][$table]) && ($pageOwner['fileUsage'][$table]<=0) ){
		unset($pageOwner['fileUsage'][$table]);
	}
}


switch( $page->userCmd ){
	
	case 'delete':
		deletePage();
	break;
	
	case 'restore':
		restorePage();
	break;

}



?>