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chamilo-lms
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[svn r15545] Added removal of database records of documents and item properties if the files were removed manually from the filesystem - could be a bad move - see FS#2614

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skala
Yannick Warnier 17 years ago
parent 39cff01d3e
commit cbe14015d1
1 changed files with 52 additions and 33 deletions
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  1. 85
      main/inc/lib/document.lib.php

85
main/inc/lib/document.lib.php
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@ -3,7 +3,7 @@
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2005 Dokeos S.A.
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) Roan Embrechts, Vrije Universiteit Brussel
@ -17,7 +17,7 @@
See the GNU General Public License for more details.
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
@ -692,7 +692,7 @@ class DocumentManager
{
if (get_setting('permanently_remove_deleted_files') == 'true') //deleted files are *really* deleted
{
$what_to_delete_sql = "SELECT id FROM ".$TABLE_DOCUMENT." WHERE path='".$path."' OR path LIKE '".$path."/%'";
$what_to_delete_sql = "SELECT id FROM ".$TABLE_DOCUMENT." WHERE path='".$path."' OR path LIKE BINARY '".$path."/%'";
//get all id's of documents that are deleted
$what_to_delete_result = api_sql_query($what_to_delete_sql, __FILE__, __LINE__);
@ -739,39 +739,58 @@ class DocumentManager
if (api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'delete', api_get_user_id()))
{
//echo('item_property_update OK');
if (rename($base_work_dir.$path, $base_work_dir.$new_path))
{
//echo('rename OK');
$sql = "UPDATE $TABLE_DOCUMENT set path='".$new_path."' WHERE id='".$document_id."'";
if (api_sql_query($sql, __FILE__, __LINE__))
{
//if it is a folder it can contain files
$sql = "SELECT id,path FROM ".$TABLE_DOCUMENT." WHERE path LIKE '".$path."/%'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if ($result && Database::num_rows($result) > 0)
{
while ($deleted_items = Database::fetch_array($result,'ASSOC'))
{
//echo('to delete also: id '.$deleted_items['id']);
api_item_property_update($_course, TOOL_DOCUMENT, $deleted_items['id'], 'delete', api_get_user_id());
//Change path of subfolders and documents in database
$old_item_path = $deleted_items['path'];
$new_item_path = $new_path.substr($old_item_path, strlen($path));
$sql = "UPDATE $TABLE_DOCUMENT set path = '".$new_item_path."' WHERE id = ".$deleted_items['id'];
api_sql_query($sql, __FILE__, __LINE__);
}
}
//echo('dbase update OK');
return true;
}
}
}
else
{
return false;
if (is_file($base_work_dir.$path))
{
if(rename($base_work_dir.$path, $base_work_dir.$new_path))
{
$sql = "UPDATE $TABLE_DOCUMENT set path='".$new_path."' WHERE id='".$document_id."'";
if (api_sql_query($sql, __FILE__, __LINE__))
{
//if it is a folder it can contain files
$sql = "SELECT id,path FROM ".$TABLE_DOCUMENT." WHERE path LIKE BINARY '".$path."/%'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if ($result && Database::num_rows($result) > 0)
{
while ($deleted_items = Database::fetch_array($result,'ASSOC'))
{
//echo('to delete also: id '.$deleted_items['id']);
api_item_property_update($_course, TOOL_DOCUMENT, $deleted_items['id'], 'delete', api_get_user_id());
//Change path of subfolders and documents in database
$old_item_path = $deleted_items['path'];
$new_item_path = $new_path.substr($old_item_path, strlen($path));
$sql = "UPDATE $TABLE_DOCUMENT set path = '".$new_item_path."' WHERE id = ".$deleted_items['id'];
api_sql_query($sql, __FILE__, __LINE__);
}
}
return true;
}
}
else
{
//Couldn't rename - file permissions problem?
error_log(__FILE__.' '.__LINE__.': Error renaming '.$base_work_dir.$path.' to '.$base_work_dir.$new_path.'. This is probably due to file permissions',0);
}
}
else
{
//The file or directory isn't there anymore (on the filesystem)
// This means it has been removed externally. To prevent a
// blocking error from happening, we drop the related items from the
// item_property and the document table.
error_log(__FILE__.' '.__LINE__.': System inconsistency detected. The file or directory '.$base_work_dir.$path.' seems to have been removed from the filesystem independently from the web platform. To restore consistency, the elements using the same path will be removed from the database',0);
$sql = "SELECT id FROM $TABLE_DOCUMENT WHERE path='".$path."' OR path LIKE BINARY '".$path."/%'";
$res = Database::query($sql,__FILE__,__LINE__);
while ( $row = Database::fetch_array($res) ) {
$sqlipd = "DELETE FROM $TABLE_ITEMPROPERTY WHERE ref = ".$row['id']." AND tool='".TOOL_DOCUMENT."'";
$resipd = Database::query($sqlipd,__FILE__,__LINE__);
$sqldd = "DELETE FROM $TABLE_DOCUMENT WHERE id = ".$row['id'];
$resdd = Database::query($sqldd,__FILE__,__LINE__);
}
}
}
}
}
return false;
}
/**

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