/**
* Disconnects the relation between 2 objects.
* Runs relation analyzer if needed.
* @uses analyzeRelations
* @param object $object the class to disconnect.
*/
public function Disconnect($object, $id = false)
{
if (!$object && !$id) {
return;
}
if (!$object instanceof dbObject && $id != false) {
$object = new $object(false);
$object->databaseInfo->ID = $id;
// a tweak to disconnect an uninitialized object so that it doesn't have to fetch the whole row first.
}
$className = get_class($object);
if (array_key_exists($className, $this->relations)) {
switch ($this->relations[$className]->relationType) {
case RELATION_SINGLE:
$this->changedValues[$object->databaseInfo->primary] = '';
$object->changedValues[$this->databaseInfo->primary] = '';
break;
case RELATION_FOREIGN:
if (array_key_exists($this->databaseInfo->primary, $object->databaseInfo->fields)) {
$object->changedValues[$this->databaseInfo->primary] = '';
} elseif (array_key_exists($object->databaseInfo->primary, $this->databaseInfo->fields)) {
$this->changedValues[$object->databaseInfo->primary] = '';
}
break;
case RELATION_MANY:
$input = dbObject::search($this->relations[$className]->connectorClass, array($object->databaseInfo->primary => $object->databaseInfo->ID, $this->databaseInfo->primary => $this->databaseInfo->ID));
// search for a connector with both primaries
if ($input) {
$input[0]->deleteYourSelf();
}
break;
case RELATION_CUSTOM:
// determine wich one needs to have the primary key set for the 1:many or many:one relation
if ($this->fieldForProperty($this->relations[$className]->sourceProperty) != $this->databaseInfo->primary) {
// we don't want to change primary keys. This is a good way to check which value to change
$targetval = $this->relations[$className]->targetProperty;
$this->changedValues[$this->fieldForProperty($this->relations[$className]->sourceProperty)] = '';
} else {
$targetval = $this->relations[$className]->sourceProperty;
$object->changedValues[$this->relations[$className]->targetProperty] = '';
}
break;
}
$this->Save();
$object->Save();
}
}
