savepage.php

一款基于PHP的网络日记程序。WikyBlog支持：多用户的 BLOG

		if($numc < 1){
			message('UNABLE_TO_SAVE','4');
			return false;
		}
		
		//	all links
		$query = 'UPDATE '.$wbTables['all_links'];
		$query .= ' SET `to_id` = "'.$saveObj->file_id.'" ';
		$query .= ' WHERE `to_link` = "'.wbDB::escape($saveObj->uniqStorage).'" ';
		wbDB::runQuery($query);
	}
	

	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	//
	//			IV)	After save organisation
	// 
	
		message('SAVED_FILE');
		if( $_SESSION['userlevel'] < 2 ){
			$_SESSION['lastSave'] = array($pageKey=>time());
		}
		
		
		////	allSearch
			allSearch::update($saveObj);

		
		////	fileUsage
			$pageOwner += array('fileUsage'=>0);
			if( !is_array($pageOwner['fileUsage']) ){
				unset($pageOwner['fileUsage']);
			}
			$newSize = objectSave::getSize($saveObj);
			$table = $saveObj->dbInfo['dbTable'];
			
			if( empty($pageOwner['fileUsage'][$table]) ){
				$pageOwner['fileUsage'][$table] = $newSize;
			}else{
				$pageOwner['fileUsage'][$table] += ($newSize-$oldSize);
			}
			if( $pageOwner['fileUsage'][$table] < 0){
				unset($pageOwner['fileUsage'][$table]);
			}
			
		
		////	Hidden? 	
			if( strpos($saveObj->flags,'hidden') === false){
				if( $oldKeywords != $saveObj->keywords ){
					includeFile('tool/Tags.php');
					updateTags($oldKeywords,$saveObj->keywords);
				}
			}elseif( !empty($saveObj->keywords) ){
				message('HIDDEN_FILE3');
			}
			
		////	Blog This
			if( isOwner(false,false)
				&& isset($pageOwner['isBlog']) 
				&& ($pageOwner['isBlog'] =='On')
				&& isset($pageOwner['sBlog'])
				&& ($pageOwner['sBlog'] == 'On')
				&& ($saveObj->objectType == $pageOwner['blogT'])
				&& (strtolower($saveObj->title) != 'home')
				&& (strpos($saveObj->flags,'unchecked') === false)
				&& (strpos($saveObj->flags,'hidden') === false)){
					message(wbLinks::local($saveObj->uniqLink.'?cmd=blogthis',$lang['blog_this']));
			}
			
		////	all_links
			objectSave::links($saveObj);
		
	$saveObj->modified= $wbNow;
	return true;

}

class objectSave{
	
	//
	//		Working on for version 1.4
	function links(&$saveObj){
		global $wbTables,$dbInfo,$wbLinkPrefixStor;
		$linkCheck = array();
		
		$query = 'SELECT LOWER(`to_link`) as `to_link` FROM '.$wbTables['all_links'].' where `file_id` = "'.$saveObj->file_id.'" ';
		$result = wbDB::runQuery($query);
		$oldLinks = array();
		while($row = mysql_fetch_assoc($result) ){
			if( isset($saveObj->inLinks[$row['to_link']]) ){
				unset($saveObj->inLinks[$row['to_link']]);
			}else{
				$oldLinks[] = ' (`to_link` = "'.wbDB::escape($row['to_link']).'") ';
			}
		}
		
		//Delete Removed Links
		if( count($oldLinks) > 0 ){
			$query = 'DELETE FROM '.$wbTables['all_links'];
			$query .= ' WHERE ';
			$query .= ' `file_id` = "'.$saveObj->file_id.'" ';
			$query .= ' AND ( ';
			$query .= implode(' OR ',$oldLinks);
			$query .= ' )';
			wbDB::runQuery($query);
		}
		
		if( count($saveObj->inLinks) < 1){
			return;
		}
		
		//this will only be new links
		foreach($saveObj->inLinks as $rev => $link){
			
			if( $hash = strpos($link,'#') ){
				$link = substr($link,0,$hash);
				$rev = substr($rev,0,$hash);
			}
			if($rev == $saveObj->uniqStorage ){ //don't save link to self
				continue;
			}
			
			$link = toStorage($link);
			$pathArray = interpretPath($link);
			
			if( !isset($dbInfo[$pathArray['type']]['dbTable']) ){
				continue;
			}
			
			if( count($pathArray['path']) < 1){
				$link = str_replace('//','/',$link.'/Home');
			}
			
			$space =& $pathArray['type'];
			
			//get to_id
			$query = 'SELECT '.$dbInfo[$space]['dbTable'].'.`file_id` ';
			$query .= ' FROM '.$dbInfo[$space]['dbTable'];
			$query .= ' INNER JOIN '.$wbTables['all_files'];
			$query .= ' USING(`file_id`) ';
			//might be able to use keys instead of uniqLink
			$query .= ' WHERE '.wbData::dbInfo($space,'uniqLink').' = "'.wbDB::escape($link).'" '; 
			$query .= ' LIMIT 1 ';
			$result = wbDB::runQuery($query);
			$to_id = false;
			if( $row = mysql_fetch_assoc($result) ){
				$to_id = $row['file_id'];
			}
			
			$query = 'INSERT IGNORE INTO '.$wbTables['all_links'].' SET ';
			$query .= ' `file_id` = "'.$saveObj->file_id.'" ';
			$query .= ', `to_link` = "'.wbDB::escape($link).'" ';
			$query .= ', `to_owner` = "'.$pathArray['owner'].'" ';
			if( $to_id ){
				$query .= ', `to_id` ="'.$to_id.'" ';
			}
			wbDB::runQuery($query);
		}
	}

	function getSize(&$saveObj){
		
		//Starting size should include dateTime values
		//	= (4 bytes)* 3 = 12 insignificant compared to the following
		//-this does not account for history tables
		//-flags are stored in a SET which does not have the same storage requirements as VARCHAR, BLOB, etc
		//-summary is more of a history concern
		
		
		$size = 12;
		$size += strlen($saveObj->ip);
		$size += strlen($saveObj->username);
		$values = array_merge($saveObj->userValues,$saveObj->dbValues);
		foreach($values as $key => $nothing){
			$size += strlen($saveObj->$key)+1; //+1 is nit-picky but true, +2 for blobs but we'll let it go
		}
		
		//	Round off so the $pageOwner['fileUsage'] 
		//	isn't updated with every single small change
		if( $size < 1000 ){
			$n = 2; //better for small files
		}else{
			$n = 5; //sufficient for larger files
		}
		//$n = 5; 		//round to every 500 bytes
		//$n = 2; 		//round to every 100 bytes
		//$n = 10/3;	//round to every 333 bytes
		//$n = 2.5;		//round to every 250
		$size = round($size/$n,-2)*$n;
		return $size;
	}
}


//
//					SAVING
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//					COPY
//


//!! should probably just be part of toolEditPage.php
//
function copyPage(){
	global $dbObject;
	global $page;
	global $pageOwner;
	
	//	2)	Signed in?
	if( !isset($_SESSION['username']) ){
		message('LOGIN_REQUIRED');
		return false;
	}
	
	//	1)	Check Path
	//$toPage = $_GET['to'];
	$toPage = $_POST['to'];
	if( wbStrpos($toPage,'../') !== false){
		message('INVALID_PATH',$toPage);
		return false;
	}
	$page->displayTitle = 'Copy to '.$toPage;
	
	
	//Change the owner
	$fromUrl = $dbObject->uniqLink;
	$dbObject->owner = $_SESSION['username'];
	$dbObject->setUniqLink();
	
	//	3)	Change Edit Link
	$pos = strrpos($dbObject->uniqLink,'/');
	if( $pos == false){
		message('INVALID_PATH',$toPage);
		return false;
	}
	
	// Add $toPage to end of $stripped
	$stripped = wbSubstr($dbObject->uniqLink,0,$pos+1);
	$newPath = $stripped.toStorage($toPage);
	message('COPY_TO',$fromUrl,$newPath);
	
	//Reset Object Keys from $newPath
	$tmp = interpretPath($newPath);
	$dbObject->setKeys($tmp); // do this to set the title, or subject $dbObject values
	
	//Reset the key information 
	$dbObject->links = array();//need to reset it, should probably be in the $dbObject setLinks function
	$dbObject->setUniqLink();
	$dbObject->checkKeys();
	$dbObject->setLinks();
	
	$dbObject->modified = '';
	
	includeFile('tool/EditPage.php');
	return;
}
//!! instead of create a path, parsing it, calling setKeys() and setLinks() ...
//	we could just set one of the keys and uniqLink to the new value then call setLinks()




//
//					COPY
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//					FLOW
//

global $dbObject,$lang, $wbParser;

if( !cookies() ){
	message('COOKIES_REQUIRED');
	return;
}


switch( $page->userCmd ){
	
	
	case 'save'://maps don't use $lang['save']
	case wbStrtolower($lang['save']):
		$edit = true;
		//try to save the object
		if( fileToDisk($dbObject) ){
			$field = $dbObject->outputObj();
			$dbObject->addFooter($field);
			$edit = false;
		}elseif( isset($_GET['wb']) ){
			$edit = false;
		}
		
		// need to send the the edit form again if it's not an xmlHttp request
		if( $edit ){
			includeFile('tool/EditPage.php');
		}
		
	break;

	case 'copy':
		copyPage();
	break;
}