This returns lowest node id for content identified by $contentId, and not of
the node identified by given $locationId (current main node).
Assumes that content has more than one location.
/**
* Sends a subtree starting to $locationId to the trash
* and returns a Trashed object corresponding to $locationId.
*
* Moves all locations in the subtree to the Trash. The associated content
* objects are left untouched.
*
* @param mixed $locationId
*
* @todo Handle field types actions
*
* @return null|\eZ\Publish\SPI\Persistence\Content\Location\Trashed null if location was deleted, otherwise Trashed object
*/
public function trashSubtree($locationId)
{
$locationRows = $this->locationGateway->getSubtreeContent($locationId);
$isLocationRemoved = false;
$parentLocationId = null;
foreach ($locationRows as $locationRow) {
if ($locationRow["node_id"] == $locationId) {
$parentLocationId = $locationRow["parent_node_id"];
}
if ($this->locationGateway->countLocationsByContentId($locationRow["contentobject_id"]) == 1) {
$this->locationGateway->trashLocation($locationRow["node_id"]);
} else {
if ($locationRow["node_id"] == $locationId) {
$isLocationRemoved = true;
}
$this->locationGateway->removeLocation($locationRow["node_id"]);
if ($locationRow["node_id"] == $locationRow["main_node_id"]) {
$newMainLocationRow = $this->locationGateway->getFallbackMainNodeData($locationRow["contentobject_id"], $locationRow["node_id"]);
$this->locationHandler->changeMainLocation($locationRow["contentobject_id"], $newMainLocationRow["node_id"], $newMainLocationRow["contentobject_version"], $newMainLocationRow["parent_node_id"]);
}
}
}
if (isset($parentLocationId)) {
$this->locationHandler->markSubtreeModified($parentLocationId, time());
}
return $isLocationRemoved ? null : $this->loadTrashItem($locationId);
}
/**
* Returns id of the next in line node to be set as a new main node
*
* This returns lowest node id for content identified by $contentId, and not of
* the node identified by given $locationId (current main node).
* Assumes that content has more than one location.
*
* @param mixed $contentId
* @param mixed $locationId
*
* @return array
*/
public function getFallbackMainNodeData($contentId, $locationId)
{
try {
return $this->innerGateway->getFallbackMainNodeData($contentId, $locationId);
} catch (DBALException $e) {
throw new RuntimeException('Database error', 0, $e);
} catch (PDOException $e) {
throw new RuntimeException('Database error', 0, $e);
}
}
/**
* Removes all Locations under and including $locationId.
*
* Performs a recursive delete on the location identified by $locationId,
* including all of its child locations. Content which is not referred to
* by any other location is automatically removed. Content which looses its
* main Location will get the first of its other Locations assigned as the
* new main Location.
*
* @param mixed $locationId
*
* @return bool
*/
public function removeSubtree($locationId)
{
$locationRow = $this->locationGateway->getBasicNodeData($locationId);
$contentId = $locationRow['contentobject_id'];
$mainLocationId = $locationRow['main_node_id'];
$subLocations = $this->locationGateway->getChildren($locationId);
foreach ($subLocations as $subLocation) {
$this->removeSubtree($subLocation['node_id']);
}
if ($locationId == $mainLocationId) {
if (1 == $this->locationGateway->countLocationsByContentId($contentId)) {
$this->removeRawContent($contentId);
} else {
$newMainLocationRow = $this->locationGateway->getFallbackMainNodeData($contentId, $locationId);
$this->changeMainLocation($contentId, $newMainLocationRow['node_id'], $newMainLocationRow['contentobject_version'], $newMainLocationRow['parent_node_id']);
}
}
$this->locationGateway->removeLocation($locationId);
$this->locationGateway->deleteNodeAssignment($contentId);
}