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<?php
namespace Bitrix\Main\Filter;
class Filter
{
/** @var string */
protected $ID = '';
/** @var DataProvider|null */
protected $entityDataProvider = null;
/** @var DataProvider[]|null */
protected $extraProviders = null;
/** @var array|null */
protected $params = null;
/** @var Field[]|null */
protected $fields = null;
function __construct($ID, DataProvider $entityDataProvider, array $extraDataProviders = null, array $params = null)
{
$this->ID = $ID;
$this->entityDataProvider = $entityDataProvider;
$this->extraProviders = [];
if(is_array($extraDataProviders))
{
foreach($extraDataProviders as $dataProvider)
{
if($dataProvider instanceof DataProvider)
{
$this->extraProviders[] = $dataProvider;
}
}
}
$this->params = is_array($params) ? $params : [];
}
/**
* Get Filter ID.
* @return string
*/
function getID()
{
return $this->ID;
}
/**
* Get Default Field IDs.
* @return array
*/
public function getDefaultFieldIDs()
{
$results = [];
foreach($this->getFields() as $fieldID => $field)
{
if($field->isDefault())
{
$results[] = $fieldID;
}
}
return $results;
}
/**
* Get Field list.
* @return Field[]
*/
public function getFields()
{
if($this->fields === null)
{
$this->fields = $this->entityDataProvider->prepareFields();
foreach($this->extraProviders as $dataProvider)
{
$fields = $dataProvider->prepareFields();
if(!empty($fields))
{
$this->fields += $fields;
}
}
}
return $this->fields;
}
/**
* Get Fields converted to plain object (array).
*
* @param array $fieldMask
* @return array
*/
public function getFieldArrays(array $fieldMask = [])
{
$results = [];
$allFields = true;
if (!empty($fieldMask))
{
$fieldMask = array_fill_keys($fieldMask, true);
$allFields = false;
}
$fields = $this->getFields();
foreach($fields as $field)
{
if ($allFields || isset($fieldMask[$field->getId()]))
{
$results[] = $field->toArray();
}
}
return $results;
}
/**
* Get Field by ID.
* @param string $fieldID Field ID.
* @return Field|null
*/
public function getField($fieldID)
{
$fields = $this->getFields();
return isset($fields[$fieldID]) ? $fields[$fieldID] : null;
}
/**
* @return DataProvider|null
*/
public function getEntityDataProvider()
{
return $this->entityDataProvider;
}
/**
* Prepare list filter params.
* @param array $filter Source Filter.
* @return void
*/
public function prepareListFilterParams(array &$filter)
{
foreach ($filter as $k => $v)
{
$this->entityDataProvider->prepareListFilterParam($filter, $k);
}
}
}