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<?php
namespace Bitrix\Disk\Type;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\Type\Collection;
use Bitrix\Main\Type\Dictionary;
class DataSet extends Dictionary
{
/**
* DataSet constructor.
*
* @param array|\Traversable $items
*/
public function __construct($items)
{
$data = array();
if (!is_array($items) && $items instanceof \Traversable)
{
foreach ($items as $item)
{
$data[] = $item;
}
}
else
{
$data = $items;
}
parent::__construct($data);
}
public static function createByIterator(\Traversable $iterator)
{
return new static($iterator);
}
public static function createByArray(array $items)
{
return new static($items);
}
public function filterByCallback($callback)
{
if (!is_callable($callback))
{
throw new ArgumentException('Callback has to be callable');
}
return new static(array_filter($this->values, $callback));
}
protected function filterByField($field, $value)
{
$result = array();
foreach ($this->values as $item)
{
if ($value === null && !array_key_exists($field, $item))
{
continue;
}
elseif (!isset($item[$field]) && $value !== null)
{
continue;
}
if ((string)$item[$field] === (string)$value)
{
$result[] = $item;
}
}
return new static($result);
}
public function filterByFields(array $necessaryFields)
{
$selection = $this;
foreach ($necessaryFields as $field => $value)
{
$selection = new static($selection->filterByField($field, $value));
}
return $selection;
}
public function isExists(array $necessaryFields)
{
return !$this->filterByFields($necessaryFields)->isEmpty();
}
public function getById($id)
{
$values = $this->filterByField('ID', $id);
return $values->getFirst();
}
public function getFirst()
{
if ($this->isEmpty())
{
return null;
}
$first = reset($this->values);
return $first;
}
public function sortByColumn($columns, $callbacks = '', $defaultValueIfNotSetValue = null, $preserveKeys = false)
{
Collection::sortByColumn($this->values, $columns, $callbacks, $defaultValueIfNotSetValue, $preserveKeys);
return $this;
}
}