protected static function applyCreateRestrictions(&$id, &$parentId)
{
$id = Assert::expectIntegerPositive($id, '$id');
$parentId = Assert::expectIntegerNonNegative($parentId, '$parentId');
// parent id might be equal to 0
if (static::checkLinkExists($id, $parentId)) {
throw new Tree\LinkExistsException(false, array('NODES' => array($id, $parentId)));
}
}
/**
* Moves subtree. Low-level method.
*/
public static function moveLink($id, $parentId, $behaviour = array('CREATE_PARENT_NODE_ON_NOTFOUND' => true))
{
$id = Assert::expectIntegerPositive($id, '$id');
$parentId = Assert::expectIntegerNonNegative($parentId, '$parentId');
// 0 allowed - means "detach into a separate branch"
if (!is_array($behaviour)) {
$behaviour = array();
}
if (!isset($behaviour['CREATE_PARENT_NODE_ON_NOTFOUND'])) {
$behaviour['CREATE_PARENT_NODE_ON_NOTFOUND'] = true;
}
$parentColName = static::getPARENTIDColumnName();
$idColName = static::getIDColumnName();
if (!static::checkNodeExists($id)) {
throw new Tree\TargetNodeNotFoundException('Node not found: ' . $id);
}
$dbConnection = Main\HttpApplication::getConnection();
if ($parentId > 0) {
if (!static::checkNodeExists($parentId)) {
if ($behaviour['CREATE_PARENT_NODE_ON_NOTFOUND']) {
if (!static::add(array($parentColName => $parentId, $idColName => $parentId))->isSuccess()) {
throw new Tree\Exception('Can not create node: ' . $parentId);
}
} else {
throw new Tree\ParentNodeNotFoundException('Node not found: ' . $parentId);
}
}
if (static::checkLinkExists($id, $parentId)) {
throw new Tree\LinkExistsException('Link already exists between ' . $id . ' and ' . $parentId . '(p)');
}
$check = $dbConnection->query("select " . $idColName . " from " . static::getTableName() . " where " . $parentColName . " = '" . intval($id) . "' and " . $idColName . " = '" . intval($parentId) . "'")->fetch();
if (is_array($check)) {
throw new Main\ArgumentException('Can not move tree inside itself');
}
}
// detach subtree
$dbConnection->query("delete \n\t\t\tfrom " . static::getTableName() . " \n\t\t\twhere \n\t\t\t\t" . $idColName . " in (\n\t\t\t\t\t" . Helper::getTemporaryTableSubQuerySql(static::getSubTreeSql($id), $idColName) . "\n\t\t\t\t) \n\t\t\t\tand\n\t\t\t\t" . $parentColName . " in (\n\t\t\t\t\t" . Helper::getTemporaryTableSubQuerySql(static::getPathToNodeSql($id), $parentColName) . "\n\t\t\t\t)\n\t\t\t\tand \n\t\t\t\t" . $idColName . " != " . $parentColName . "\n\t\t\t\tand\n\t\t\t\t" . $parentColName . " != '" . intval($id) . "'\n\t\t");
if ($parentId > 0) {
// reattach subtree to other path
$res = static::getPathToNode($parentId, array('select' => array('ID' => $parentColName)));
while ($item = $res->fetch()) {
$dbConnection->query("insert into " . static::getTableName() . " \n\t\t\t\t\t\t\n\t\t\t\t\t\t(" . $parentColName . ", " . $idColName . ", DIRECT) \n\t\t\t\t\t\t\n\t\t\t\t\t\tselect \n\t\t\t\t\t\t\t'" . $item['ID'] . "',\n\t\t\t\t\t\t\tT." . $idColName . ",\n\n\t\t\t\t\t\t\t" . ($item['ID'] == $parentId ? "\n\t\t\t\t\t\t\t\tCASE \n\t\t\t\t\t\t\t\t\tWHEN \n\t\t\t\t\t\t\t\t\t\tT." . $idColName . " = '" . $id . "'\n\t\t\t\t\t\t\t\t\tTHEN\n\t\t\t\t\t\t\t\t\t\t'1'\n\t\t\t\t\t\t\t\t\tELSE\n\t\t\t\t\t\t\t\t\t\t'0'\n\t\t\t\t\t\t\t\tEND\n\t\t\t\t\t\t\t\t" : "'0'") . "\n\t\t\t\t\t\tfrom \n\t\t\t\t\t\t\t" . static::getTableName() . " T \n\t\t\t\t\t\twhere \n\t\t\t\t\t\t\t" . $parentColName . " = '" . intval($id) . "'");
}
}
return true;
}
