static function removeSubtrees($deleteIDArray, $moveToTrash = true, $infoOnly = false)
{
$moveToTrashAllowed = true;
$deleteResult = array();
$totalChildCount = 0;
$totalLoneNodeCount = 0;
$canRemoveAll = true;
$hasPendingObject = false;
$db = eZDB::instance();
$db->begin();
$userClassIDArray = eZUser::contentClassIDs();
foreach ($deleteIDArray as $deleteID) {
$node = eZContentObjectTreeNodeNoLanguage::fetch($deleteID);
if ($node === null) {
continue;
}
$object = $node->attribute('object');
if ($object === null) {
continue;
}
$class = $object->attribute('content_class');
$canRemove = $node->attribute('can_remove');
$canRemoveSubtree = true;
$nodeID = $node->attribute('node_id');
$nodeName = $object->attribute('name');
$childCount = 0;
$newMainNodeID = false;
$objectNodeCount = 0;
$readableChildCount = 0;
if ($canRemove) {
$isUserClass = in_array($class->attribute('id'), $userClassIDArray);
if ($moveToTrashAllowed and $isUserClass) {
$moveToTrashAllowed = false;
}
$readableChildCount = $node->subTreeCount(array('Limitation' => array()));
$childCount = $node->subTreeCount(array('IgnoreVisibility' => true));
$totalChildCount += $childCount;
$allAssignedNodes = $object->attribute('assigned_nodes');
$objectNodeCount = count($allAssignedNodes);
// We need to find a new main node ID if we are trying
// to remove the current main node.
if ($node->attribute('main_node_id') == $nodeID) {
if (count($allAssignedNodes) > 1) {
foreach ($allAssignedNodes as $assignedNode) {
$assignedNodeID = $assignedNode->attribute('node_id');
if ($assignedNodeID == $nodeID) {
continue;
}
$newMainNodeID = $assignedNodeID;
break;
}
}
}
if ($infoOnly) {
// Find the number of items in the subtree we are allowed to remove
// if this differs from the total count it means we have items we cannot remove
// We do this by fetching the limitation list for content/remove
// and passing it to the subtree count function.
$currentUser = eZUser::currentUser();
$accessResult = $currentUser->hasAccessTo('content', 'remove');
if ($accessResult['accessWord'] == 'limited') {
$limitationList = $accessResult['policies'];
$removeableChildCount = $node->subTreeCount(array('Limitation' => $limitationList, 'IgnoreVisibility' => true));
$canRemoveSubtree = $removeableChildCount == $childCount;
$canRemove = $canRemoveSubtree;
}
//check if there is sub object in pending status
$limitCount = 100;
$offset = 0;
while (1) {
$children = $node->subTree(array('Limitation' => array(), 'SortBy' => array('path', false), 'Offset' => $offset, 'Limit' => $limitCount, 'IgnoreVisibility' => true, 'AsObject' => false));
// fetch pending node assignment(pending object)
$idList = array();
//add node itself into idList
if ($offset === 0) {
$idList[] = $nodeID;
}
foreach ($children as $child) {
$idList[] = $child['node_id'];
}
if (count($idList) === 0) {
break;
}
$pendingChildCount = eZNodeAssignment::fetchChildCountByVersionStatus($idList, eZContentObjectVersion::STATUS_PENDING);
if ($pendingChildCount !== 0) {
// there is pending object
$hasPendingObject = true;
break;
}
$offset += $limitCount;
}
}
// We will only remove the subtree if are allowed
// and are told to do so.
if ($canRemove and !$infoOnly) {
$moveToTrashTemp = $moveToTrash;
if (!$moveToTrashAllowed) {
$moveToTrashTemp = false;
}
// Remove children, fetching them by 100 to avoid memory overflow.
// removeNodeFromTree -> removeThis handles cache clearing
while (1) {
// We should remove the latest subitems first,
// so we should fetch subitems sorted by 'path_string' DESC
$children = $node->subTree(array('Limitation' => array(), 'SortBy' => array('path', false), 'Limit' => 100, 'IgnoreVisibility' => true));
if (!$children) {
break;
}
foreach ($children as $child) {
$childObject = $child->attribute('object');
$child->removeNodeFromTree($moveToTrashTemp);
eZContentObject::clearCache();
}
}
$node->removeNodeFromTree($moveToTrashTemp);
}
}
if (!$canRemove) {
$canRemoveAll = false;
}
// Do not create info list if we are removing subtrees
if (!$infoOnly) {
continue;
}
$soleNodeCount = $node->subtreeSoleNodeCount();
$totalLoneNodeCount += $soleNodeCount;
if ($objectNodeCount <= 1) {
++$totalLoneNodeCount;
}
$item = array("nodeName" => $nodeName, "childCount" => $childCount, "additionalWarning" => '', 'node' => $node, 'object' => $object, 'class' => $class, 'node_name' => $nodeName, 'child_count' => $childCount, 'object_node_count' => $objectNodeCount, 'sole_node_count' => $soleNodeCount, 'can_remove' => $canRemove, 'can_remove_subtree' => $canRemoveSubtree, 'real_child_count' => $readableChildCount, 'new_main_node_id' => $newMainNodeID);
$deleteResult[] = $item;
}
$db->commit();
if (!$infoOnly) {
return true;
}
if ($moveToTrashAllowed and $totalLoneNodeCount == 0) {
$moveToTrashAllowed = false;
}
return array('move_to_trash' => $moveToTrashAllowed, 'total_child_count' => $totalChildCount, 'can_remove_all' => $canRemoveAll, 'delete_list' => $deleteResult, 'has_pending_object' => $hasPendingObject, 'reverse_related_count' => eZContentObjectTreeNodeNoLanguage::reverseRelatedCount($deleteIDArray));
}