elementdataprovider.php

См. документацию.

<?php
 
namespace Bitrix\Iblock\Filter\DataProvider;
 
use Bitrix\Iblock\Filter\DataProvider\Element\ElementFilterFields;
use Bitrix\Iblock\Filter\DataProvider\Settings\ElementSettings;
use Bitrix\Main\Filter\EntityDataProvider;
use Bitrix\Main\Localization\Loc;
 
class ElementDataProvider extends EntityDataProvider
{
    private ElementSettings $settings;
    private ElementFilterFields $fields;
 
    public function __construct(ElementSettings $settings)
    {
        $this->settings = $settings;
        $this->fields = ElementFilterFields::createFromElementSettings($settings);
    }
 
    public function getSettings(): ElementSettings
    {
        return $this->settings;
    }
 
    public function prepareFields()
    {
        $result = [];
 
        $fields = $this->fields->getElementFieldsParams();
        foreach ($fields as $id => $params)
        {
            $result[$id] = $this->createField($id, $params);
        }
 
        $properties = $this->fields->getElementPropertiesParams();
        foreach ($properties as $id => $params)
        {
            $result[$id] = $this->createField($id, $params);
        }
 
        return $result;
    }
 
    public function prepareFieldData($fieldID)
    {
        if ($fieldID === 'SECTION_ID')
        {
            return [
                'items' => $this->fields->getSectionListItems(),
            ];
        }
        elseif ($fieldID === 'CREATED_BY' || $fieldID === 'MODIFIED_BY')
        {
            return $this->getUserEntitySelectorParams($fieldID . '_filter', ['fieldName' => $fieldID]);
        }
        elseif ($this->fields->isPropertyId($fieldID))
        {
            return $this->fields->getPropertyDescription($fieldID);
        }
 
        return null;
    }
 
    protected function getFieldName($fieldID)
    {
        return Loc::getMessage('IBLOCK_FILTER_ELEMENT_DATAPROVIDER_FIELD_' . $fieldID) ?? $fieldID;
    }

    public function prepareFilterValue(array $rawFilterValue): array
    {
        $rawFilterValue = parent::prepareFilterValue($rawFilterValue);
 
        if (!empty($rawFilterValue['FIND']))
        {
            $rawFilterValue['?NAME'] = $rawFilterValue['FIND'];
        }
 
        return $this->fields->prepareFilterValue($rawFilterValue);
    }
}