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<?php
namespace Bitrix\Disk\Internals;
use Bitrix\Main\Application;
use Bitrix\Main\ArgumentOutOfRangeException;
use Bitrix\Main\Entity;
use Bitrix\Main\Type\Collection;
/**
* Class ObjectPathTable
*
* Fields:
* <ul>
* <li> ID int mandatory
* <li> PARENT_ID int mandatory
* <li> OBJECT_ID int mandatory
* <li> DEPTH_LEVEL int optional
* </ul>
*
* @package Bitrix\Disk
**/
final class ObjectPathTable extends DataManager
{
public static function getTableName()
{
return 'b_disk_object_path';
}
public static function getMap()
{
return array(
'ID' => array(
'data_type' => 'integer',
'primary' => true,
'autocomplete' => true,
),
'PARENT_ID' => array(
'data_type' => 'integer',
),
'OBJECT_ID' => array(
'data_type' => 'integer',
),
'DEPTH_LEVEL' => array(
'data_type' => 'integer',
),
);
}
/**
* Create root in closure.
* @param $objectId
* @throws \Bitrix\Main\Config\ConfigurationException
* @throws \Exception
* @return Entity\AddResult
*/
public static function addAsRoot($objectId)
{
$objectId = (int)$objectId;
return static::add(array(
'PARENT_ID' => $objectId,
'OBJECT_ID' => $objectId,
'DEPTH_LEVEL' => 0,
));
}
/**
* Append target to node,
* @param $objectId
* @param $appendToNodeId
* @throws \Bitrix\Main\Config\ConfigurationException
* @throws \Bitrix\Main\ArgumentTypeException
* @throws \Bitrix\Main\ArgumentNullException
*/
public static function appendTo($objectId, $appendToNodeId)
{
$objectId = (int)$objectId;
$appendToNodeId = (int)$appendToNodeId;
$table = static::getTableName();
$sql = "
INSERT INTO {$table} (PARENT_ID, OBJECT_ID, DEPTH_LEVEL)
SELECT PARENT_ID, {$objectId}, DEPTH_LEVEL+1 FROM {$table} WHERE OBJECT_ID = {$appendToNodeId}
UNION ALL SELECT {$objectId}, {$objectId}, 0
";
//todo? return nothing? Or return AddResult? GetId?
$connection = Application::getInstance()->getConnection();
$connection->queryExecute($sql);
}
/**
* Action move object to another node.
* Recalculated paths.
* @param $objectId
* @param $toNodeId
* @throws \Bitrix\Main\Config\ConfigurationException
* @throws \Bitrix\Main\ArgumentTypeException
* @throws \Bitrix\Main\ArgumentNullException
*/
public static function moveTo($objectId, $toNodeId)
{
$objectId = (int)$objectId;
$toNodeId = (int)$toNodeId;
$connection = Application::getInstance()->getConnection();
$table = static::getTableName();
$sql = "
DELETE a FROM {$table} a
JOIN {$table} d
ON a.OBJECT_ID = d.OBJECT_ID
LEFT JOIN {$table} x
ON x.PARENT_ID = d.PARENT_ID AND x.OBJECT_ID = a.PARENT_ID
WHERE d.PARENT_ID = {$objectId} AND x.PARENT_ID IS NULL
";
$connection->queryExecute($sql);
$sql = "
INSERT INTO {$table} (PARENT_ID, OBJECT_ID, DEPTH_LEVEL)
SELECT stree.PARENT_ID, subtree.OBJECT_ID, stree.DEPTH_LEVEL+subtree.DEPTH_LEVEL+1
FROM {$table} stree JOIN {$table} subtree ON subtree.PARENT_ID = {$objectId} AND stree.OBJECT_ID = {$toNodeId}
";
$connection->queryExecute($sql);
}
/**
* Get descendants objects of $objectId.
* PARENT_ID not really! Be careful :)
* @param $objectId
* @param int $orderDepthLevel SORT_ASC | SORT_DESC
* @throws \Bitrix\Main\ArgumentOutOfRangeException
* @throws \Bitrix\Main\ArgumentException
* @throws \Exception
* @return array
*/
public static function getDescendants($objectId, $orderDepthLevel = SORT_ASC)
{
$objectId = (int)$objectId;
$objectPaths = static::getList(array(
'select' => array('ID', 'PARENT_ID', 'OBJECT_ID', 'DEPTH_LEVEL'),
'filter' => array(
'PARENT_ID' => $objectId,
'!=OBJECT_ID' => $objectId,
),
))->fetchAll();
Collection::sortByColumn($objectPaths, array('DEPTH_LEVEL' => $orderDepthLevel));
return $objectPaths;
}
/**
* Get direct children objects of $objectId.
* @param $objectId
* @return array
* @throws \Bitrix\Main\ArgumentException
*/
public static function getChildren($objectId)
{
$objectId = (int)$objectId;
$objectPaths = static::getList(array(
'select' => array('ID', 'PARENT_ID', 'OBJECT_ID', 'DEPTH_LEVEL'),
'filter' => array(
'PARENT_ID' => $objectId,
'DEPTH_LEVEL' => 1,
),
))->fetchAll();
return $objectPaths;
}
/**
* Get ancestors objects of $objectId.
* PARENT_ID not really! Be careful :)
* @param $objectId
* @param int $orderDepthLevel SORT_ASC | SORT_DESC
* @throws \Bitrix\Main\ArgumentOutOfRangeException
* @throws \Bitrix\Main\ArgumentException
* @throws \Exception
* @return array
*/
public static function getAncestors($objectId, $orderDepthLevel = SORT_ASC)
{
$objectId = (int)$objectId;
$objectPaths = static::getList(array(
'select' => array('ID', 'PARENT_ID', 'OBJECT_ID', 'DEPTH_LEVEL'),
'filter' => array(
'OBJECT_ID' => $objectId,
'!=PARENT_ID' => $objectId,
),
))->fetchAll();
Collection::sortByColumn($objectPaths, array('DEPTH_LEVEL' => $orderDepthLevel));
return $objectPaths;
}
public static function deleteByObject($objectId)
{
//todo Is leaf? If this is not leaf - throw Exception?
$objectId = (int)$objectId;
$table = static::getTableName();
$sql = "DELETE FROM {$table} WHERE OBJECT_ID = {$objectId}";
Application::getInstance()->getConnection()->queryExecute($sql);
}
/**
* Object is leaf?
* @param $objectId
* @throws \Bitrix\Main\ArgumentException
* @throws \Exception
* @return bool
*/
public static function isLeaf($objectId)
{
$objectId = (int)$objectId;
$paths = static::getList(array(
'select' => array('ID'),
'filter' => array(
'!=OBJECT_ID' => $objectId,
'PARENT_ID' => $objectId,
),
'limit' => 1,
))->fetch();
return empty($paths);
}
/**
* Recalculate object paths by parentId in Object.
* Uses inner joins to find relations, without recursive walks by parentId.
* Attention! This method truncate table b_disk_object_path and recalculates them.
* @internal
*/
public static function recalculate()
{
set_time_limit(0);
$maxInnerJoinDepth = 32;
$currentDepth = 0;
$emptyInsert = false;
$connection = Application::getConnection();
$connection->queryExecute("TRUNCATE TABLE b_disk_object_path");
$connection->queryExecute("
INSERT INTO b_disk_object_path (PARENT_ID, OBJECT_ID, DEPTH_LEVEL)
SELECT ID, ID, 0 FROM b_disk_object
");
while($currentDepth < $maxInnerJoinDepth && !$emptyInsert)
{
$query = "
INSERT INTO b_disk_object_path (OBJECT_ID, PARENT_ID, DEPTH_LEVEL)
SELECT b.ID, t.ID, " . ($currentDepth+1) . " FROM b_disk_object t
";
$finalQuery = $query;
for($i = 0;$i < $currentDepth;$i++)
{
$finalQuery .= " INNER JOIN b_disk_object t" . ($i+1) . " ON t" . ($i?: '') . ".ID=t" . ($i+1) . ".PARENT_ID ";
}
$lastJoin = " INNER JOIN b_disk_object b ON t" . ($currentDepth?:'' ) . ".ID=b.PARENT_ID ";
$finalQuery = $finalQuery .$lastJoin;
$connection->queryExecute($finalQuery);
$emptyInsert = $connection->getAffectedRowsCount() <= 0;
$currentDepth++;
}
}
/**
* Recalculates paths for the storage.
*
* @param int $storageId Storage id.
* @throws ArgumentOutOfRangeException
* @return void
*/
public static function recalculateByStorage($storageId)
{
$storageId = (int)$storageId;
if ($storageId <= 0)
{
throw new ArgumentOutOfRangeException('storageId');
}
set_time_limit(0);
$maxInnerJoinDepth = 32;
$currentDepth = 0;
$emptyInsert = false;
$connection = Application::getConnection();
$connection->queryExecute("
DELETE p
FROM b_disk_object_path p
INNER JOIN b_disk_object object ON object.ID = p.OBJECT_ID
WHERE object.STORAGE_ID = {$storageId}
");
$connection->queryExecute("
DELETE p
FROM b_disk_object_path p
INNER JOIN b_disk_object object_p ON object_p.ID = p.PARENT_ID
WHERE object_p.STORAGE_ID = {$storageId}
");
$connection->queryExecute("
INSERT INTO b_disk_object_path (PARENT_ID, OBJECT_ID, DEPTH_LEVEL)
SELECT ID, ID, 0 FROM b_disk_object WHERE STORAGE_ID = {$storageId}
");
while($currentDepth < $maxInnerJoinDepth && !$emptyInsert)
{
$query = "
INSERT INTO b_disk_object_path (OBJECT_ID, PARENT_ID, DEPTH_LEVEL)
SELECT b.ID, t.ID, " . ($currentDepth+1) . " FROM b_disk_object t
";
$finalQuery = $query;
for($i = 0;$i < $currentDepth;$i++)
{
$finalQuery .= " INNER JOIN b_disk_object t" . ($i+1) . " ON t" . ($i?: '') . ".ID=t" . ($i+1) . ".PARENT_ID ";
}
$lastJoin = " INNER JOIN b_disk_object b ON t" . ($currentDepth?:'' ) . ".ID=b.PARENT_ID ";
$finalQuery = $finalQuery . $lastJoin . " WHERE t.STORAGE_ID = {$storageId}";
$connection->queryExecute($finalQuery);
$emptyInsert = $connection->getAffectedRowsCount() <= 0;
$currentDepth++;
}
}
}