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Fix serious deadlock feature. It was possible to link with no way to

Browse Source 
unlink. What if user make a bad click ? I complete feature with
reverse action to be sure to not have users with a corrupted situation.
This commit is contained in:
Laurent Destailleur
2015-07-28 14:13:16 +02:00
parent 72e7558356
commit 5ca6593a57
20 changed files with 972 additions and 956 deletions
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48
htdocs/core/class/commonobject.class.php
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@@ -2166,7 +2166,7 @@ abstract class CommonObject
}
// Links between objects are stored in table element_element
$sql = 'SELECT fk_source, sourcetype, fk_target, targettype';
$sql = 'SELECT rowid, fk_source, sourcetype, fk_target, targettype';
$sql.= ' FROM '.MAIN_DB_PREFIX.'element_element';
$sql.= " WHERE ";
if ($justsource || $justtarget)
@@ -2201,11 +2201,11 @@ abstract class CommonObject
$obj = $this->db->fetch_object($resql);
if ($obj->fk_source == $sourceid)
{
$this->linkedObjectsIds[$obj->targettype][]=$obj->fk_target;
$this->linkedObjectsIds[$obj->targettype][$obj->rowid]=$obj->fk_target;
}
if ($obj->fk_target == $targetid)
{
$this->linkedObjectsIds[$obj->sourcetype][]=$obj->fk_source;
$this->linkedObjectsIds[$obj->sourcetype][$obj->rowid]=$obj->fk_source;
}
$i++;
}
@@ -2260,16 +2260,15 @@ abstract class CommonObject
$classfile = 'fournisseur.commande'; $classname = 'CommandeFournisseur';
}
// Here $module, $classfile and $classname are set
if ($conf->$module->enabled && (($element != $this->element) || $alsosametype))
{
dol_include_once('/'.$classpath.'/'.$classfile.'.class.php');
$num=count($objectids);
for ($i=0;$i<$num;$i++)
foreach($objectids as $i => $objectid); // $i is rowid into llx_element_element
{
$object = new $classname($this->db);
$ret = $object->fetch($objectids[$i]);
$ret = $object->fetch($objectid);
if ($ret >= 0)
{
$this->linkedObjects[$objecttype][$i] = $object;
@@ -2338,10 +2337,11 @@ abstract class CommonObject
* @param string $sourcetype Object source type
* @param int $targetid Object target id
* @param string $targettype Object target type
* @return int >0 if OK, <0 if KO
* @param int $rowid Row id of line to delete. If defined, other parameters are not used.
* @return int >0 if OK, <0 if KO
* @see add_object_linked, updateObjectLinked, fetchObjectLinked
*/
function deleteObjectLinked($sourceid=null, $sourcetype='', $targetid=null, $targettype='')
function deleteObjectLinked($sourceid=null, $sourcetype='', $targetid=null, $targettype='', $rowid='')
{
$deletesource=false;
$deletetarget=false;
@@ -2356,21 +2356,28 @@ abstract class CommonObject
$sql = "DELETE FROM ".MAIN_DB_PREFIX."element_element";
$sql.= " WHERE";
if ($deletesource)
if ($rowid > 0)
{
$sql.= " fk_source = ".$sourceid." AND sourcetype = '".$sourcetype."'";
$sql.= " AND fk_target = ".$this->id." AND targettype = '".$this->element."'";
}
else if ($deletetarget)
{
$sql.= " fk_target = ".$targetid." AND targettype = '".$targettype."'";
$sql.= " AND fk_source = ".$this->id." AND sourcetype = '".$this->element."'";
$sql.=" rowid = ".$rowid;
}
else
{
$sql.= " (fk_source = ".$this->id." AND sourcetype = '".$this->element."')";
$sql.= " OR";
$sql.= " (fk_target = ".$this->id." AND targettype = '".$this->element."')";
if ($deletesource)
{
$sql.= " fk_source = ".$sourceid." AND sourcetype = '".$sourcetype."'";
$sql.= " AND fk_target = ".$this->id." AND targettype = '".$this->element."'";
}
else if ($deletetarget)
{
$sql.= " fk_target = ".$targetid." AND targettype = '".$targettype."'";
$sql.= " AND fk_source = ".$this->id." AND sourcetype = '".$this->element."'";
}
else
{
$sql.= " (fk_source = ".$this->id." AND sourcetype = '".$this->element."')";
$sql.= " OR";
$sql.= " (fk_target = ".$this->id." AND targettype = '".$this->element."')";
}
}
dol_syslog(get_class($this)."::deleteObjectLinked", LOG_DEBUG);
@@ -2381,6 +2388,7 @@ abstract class CommonObject
else
{
$this->error=$this->db->lasterror();
$this->errors[]=$this->error;
return -1;
}
}