CSocNetSearchReindex::ReindexIBlock

function ReindexIBlock($iblock_id, $entity_type, $feature, $operation, $path_template, $arFieldList, $last_id)
{
	global $DB;

	if(!CModule::IncludeModule("iblock"))
		return false;

	$arSections = array();

	$rsElements = CIBlockElement::GetList(
		array("ID"=>"asc"),
		array(
			"IBLOCK_ID" => $iblock_id,
			">ID" => intval($last_id),
			"CHECK_PERMISSIONS" => "N",
		),
		false, false,
		array_merge(
			array("ID", "IBLOCK_ID", "IBLOCK_TYPE_ID", "NAME", "TAGS", "TIMESTAMP_X", "IBLOCK_SECTION_ID"),
			$arFieldList
		)
	);
	while($arFields = $rsElements->Fetch())
	{
		if(!array_key_exists($arFields["IBLOCK_SECTION_ID"], $arSections))
		{
			$rsPath = CIBlockSection::GetNavChain($arFields["IBLOCK_ID"], $arFields["IBLOCK_SECTION_ID"]);
			$arSection = $rsPath->Fetch();
			if($entity_type == "G")
				$arSections[$arFields["IBLOCK_SECTION_ID"]] = intval($arSection["SOCNET_GROUP_ID"]);
			else
				$arSections[$arFields["IBLOCK_SECTION_ID"]] = intval($arSection["CREATED_BY"]);
		}
		$entity_id = $arSections[$arFields["IBLOCK_SECTION_ID"]];

		if($entity_id)
		{
			$url = str_replace(
				array(
					"#user_id#",
					"#group_id#",
					"#user_alias#",
					"#section_id#",
					"#element_id#",
					"#task_id#",
					"#name#",
				),
				array(
					$entity_id,
					$entity_id,
					($entity_type == "G"? "group_": "user_").$entity_id,
					$arFields["IBLOCK_SECTION_ID"],
					$arFields["ID"],
					$arFields["ID"],
					rawurlencode($arFields["NAME"]),
				),
				$path_template
			);

			$body = "";
			if($feature == "wiki")
				$CWikiParser = new CWikiParser();
			foreach($arFieldList as $field)
			{
				$text = "";

				if($field == "PREVIEW_TEXT" || $field == "DETAIL_TEXT")
				{
					if(isset($CWikiParser))
						$text = HTMLToTxt($CWikiParser->parseForSearch($arFields[$field]));
					elseif(isset($arFields[$field."_TYPE"]) && $arFields[$field."_TYPE"] === "html")
						$text = HTMLToTxt($arFields[$field]);
					else
						$text = $arFields[$field];
				}
				elseif($field == $this->_file_property)
				{
					$arFile = CIBlockElement::__GetFileContent($arFields[$this->_file_property."_VALUE"]);
					if(is_array($arFile))
					{
						$text = $arFile["CONTENT"];
						$arFields["TAGS"] .= ",".$arFile["PROPERTIES"][COption::GetOptionString("search", "page_tag_property")];
					}
				}
				elseif($field == "PROPERTY_FORUM_TOPIC_ID")
				{
					$topic_id = intval($arFields["PROPERTY_FORUM_TOPIC_ID_VALUE"]);
					if($topic_id)
						$this->UpdateForumTopicIndex($topic_id, $entity_type, $entity_id, $feature, $operation, $this->Url($url, array("MID" => "#message_id#"), "message#message_id#"));
				}

				$body .= $text."nr";
			}

			if(isset($CWikiParser))
				$title = preg_replace('/^category:/i'.BX_UTF_PCRE_MODIFIER, GetMessage('CATEGORY_NAME').':', $arFields['NAME']);
			else
				$title = $arFields["NAME"];

			$arPermissions = $this->GetSearchGroups(
				$entity_type,
				$entity_id,
				$feature,
				$operation
			);

			if (CIBlock::GetArrayByID($arFields["IBLOCK_ID"], "RIGHTS_MODE") == "E")
			{
				$obElementRights = new CIBlockElementRights($arFields["IBLOCK_ID"], $arFields["ID"]);
				$arPermissions = $obElementRights->GetGroups(array("element_read"));
			}

			CSearch::Index("socialnetwork", $arFields["ID"], array(
				"LAST_MODIFIED" => $arFields["TIMESTAMP_X"],
				"TITLE" => $title,
				"BODY" => $body,
				"SITE_ID" => array(SITE_ID => $url),
				"PARAM1" => $arFields["IBLOCK_TYPE_ID"],
				"PARAM2" => $arFields["IBLOCK_ID"],
				"PARAM3" => $entity_id,
				"TAGS" => $arFields["TAGS"],
				"PERMISSIONS" => $arPermissions,
				"PARAMS" => $this->GetSearchParams(
					$entity_type,
					$entity_id,
					$feature,
					$operation
				),
				"REINDEX_FLAG" => true,
			), true, $this->_sess_id);

			$this->_counter++;
		}

		if($this->_end_time && $this->_end_time <= time())
			return $arFields["ID"];
	}

	return false;
}