Utils::catalogSearch

static function catalogSearch($query = null, $type = self::TYPE_CATALOG_ALL, $iblock = null, $siteId = null)
{
	$publicResult = new PublicActionResult();

	if (!$iblock)
	{
		BitrixLandingHook::setEditMode(true);
		$settings = BitrixLandingHookPageSettings::getDataForSite(
			$siteId
		);
		$iblockId = $settings['IBLOCK_ID'];
	}
	else
	{
		$iblockId = $iblock;
	}

	if (!Loader::includeModule('iblock'))
	{
		$publicResult->setResult([]);
		return $publicResult;
	}

	$data = [];

	// make some magic
	$filter = [
		'IBLOCK_ID' => $iblockId,
		array_merge(
			['LOGIC' => 'AND'],
			array_map(function($fragment) {
				return ['%NAME' => trim($fragment)];
			}, explode(' ', trim($query)))
		)
	];

	// search in all catalog or in element
	if (
		$type === self::TYPE_CATALOG_ALL ||
		$type === self::TYPE_CATALOG_ELEMENT)
	{
		$order = [];
		$groupBy = false;
		$navParams = ['nTopCount' => 50];
		$select = [
			'ID', 'NAME', 'IBLOCK_SECTION_ID', 'DETAIL_PICTURE'
		];

		$result = CIBlockElement::getList(
			$order, $filter, $groupBy, $navParams, $select
		);
		while ($item = $result->fetch())
		{
			$chain = [];
			static::makeCatalogEntityNavChain(
				$item['IBLOCK_SECTION_ID'],
				$chain
			);
			$data[] = [
				'name' => $item['NAME'],
				'id' => $item['ID'],
				'image' => CFile::getPath($item['DETAIL_PICTURE']),
				'type' => self::TYPE_CATALOG,
				'subType' => self::TYPE_CATALOG_ELEMENT,
				'chain' => $chain
			];
		}
	}
	// search in all catalog or in section
	if (
		$type === self::TYPE_CATALOG_ALL ||
		$type === self::TYPE_CATALOG_SECTION
	)
	{
		$order = [];
		$select = [
			'ID', 'NAME', 'IBLOCK_SECTION_ID', 'DETAIL_PICTURE'
		];
		$filter = [
			'IBLOCK_ID' => $iblockId, '%NAME' => trim($query)
		];
		$count = false;

		$sectResult = CIBlockSection::GetList($order, $filter, $count, $select);
		while ($item = $sectResult->Fetch())
		{
			$chain = [];
			static::makeCatalogEntityNavChain(
				$item['IBLOCK_SECTION_ID'],
				$chain
			);
			$data[] = [
				'name' => trim($item['NAME']),
				'id' => $item['ID'],
				'image' => '',
				'type' => self::TYPE_CATALOG,
				'subType' => self::TYPE_CATALOG_SECTION,
				'chain' => !empty($chain) ? $chain : ['/']
			];
		}
	}


	$publicResult->setResult($data);

	return $publicResult;
}