CSocNetSearch::BeforeIndex

function BeforeIndex($arFields)
{
	//Check if we in right context
	if (
		!isset($this)
		|| !is_object($this)
		|| !is_array($this->_params)
	)
	{
		return $arFields;
	}

	if (isset($arFields["REINDEX_FLAG"]))
	{
		return $arFields;
	}

	//This was group modification
	if($this->_group_id)
	{
		if(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["FORUM_ID"] ?? null)
		)
		{
			// forum feature
			$arFields["LID"] = array();
			$rsGroupSite = CSocNetGroup::GetSite($this->_group_id);
			while($arGroupSite = $rsGroupSite->Fetch())
			{
				$arFields["LID"][$arGroupSite["LID"]] = $arFields["URL"];
			}

			$arFields = $this->BeforeIndexForum($arFields,
				SONET_ENTITY_GROUP, $this->_group_id,
				"forum", "view",
				$this->_params["PATH_TO_GROUP_FORUM_MESSAGE"]
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["FILES_FORUM_ID"] ?? null)
			&& isModuleInstalled("webdav")
		)
		{
			$arFields = $this->BeforeIndexForum($arFields,
				SONET_ENTITY_GROUP, $this->_group_id,
				"files", "view",
				$this->Url($this->_params["PATH_TO_GROUP_FILES_ELEMENT"], array("MID"=>"#message_id#"), "message#message_id#")
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& (int)$arFields["PARAM1"] === (int)$this->_params["TASK_FORUM_ID"]
			&& !preg_match('/^EVENT_[0-9]+/', $arFields["TITLE"], $match) // calendar comments live in the same TASK_FORUM_ID :(
		)
		{
		}
		elseif (
			$arFields["MODULE_ID"] === "forum"
			&& preg_match('/^EVENT_[0-9]+/', $arFields["TITLE"], $match)
		)
		{
			$arFields["TITLE"] = "";
			$arFields["BODY"] = "";
		}
		elseif (
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["PHOTO_FORUM_ID"] ?? null)
		)
		{
			$arFields = $this->BeforeIndexForum($arFields,
				SONET_ENTITY_GROUP, $this->_group_id,
				"photo", "view",
				$this->Url($this->_params["PATH_TO_GROUP_PHOTO_ELEMENT"], array("MID"=>"#message_id#"), "message#message_id#")
			);
		}
	}
	elseif($this->_user_id)
	{
		if(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["FORUM_ID"] ?? null)
		)
		{
			// forum feature
			$arFields["LID"] = array(SITE_ID => $arFields["URL"]);

			$arFields = $this->BeforeIndexForum($arFields,
				SONET_ENTITY_USER, $this->_user_id,
				"forum", "view",
				$this->_params["PATH_TO_USER_FORUM_MESSAGE"]
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["FILES_FORUM_ID"] ?? null)
			&& isModuleInstalled("webdav")
		)
		{
			$arFields = $this->BeforeIndexForum($arFields,
				SONET_ENTITY_USER, $this->_user_id,
				"files", "view",
				$this->Url($this->_params["PATH_TO_USER_FILES_ELEMENT"], array("MID"=>"#message_id#"), "message#message_id#")
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["TASK_FORUM_ID"] ?? null)
		)
		{
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& preg_match('/^EVENT_[0-9]+/', $arFields["TITLE"], $match)
		) // don't index calendar comments!
		{
			$arFields["TITLE"] = "";
			$arFields["BODY"] = "";
		}
		elseif(
			$arFields["MODULE_ID"] === "forum"
			&& (int) $arFields["PARAM1"] === (int) ($this->_params["PHOTO_FORUM_ID"] ?? null)
		)
		{
			$arFields = $this->BeforeIndexForum(
				$arFields,
				SONET_ENTITY_USER,
				$this->_user_id,
				"photo",
				"view",
				$this->Url(
					$this->_params["PATH_TO_USER_PHOTO_ELEMENT"],
					array("MID"=>"#message_id#"),
					"message#message_id#"
				)
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "blog"
			&& (
				($arFields["PARAM1"] ?? null) === "POST"
				|| ($arFields["PARAM1"] ?? null) === "MICROBLOG"
			)
		)
		{
			$paramsTmp = self::GetSearchParams(
				SONET_ENTITY_USER, $this->_user_id,
				'blog', 'view_post'
			);
			$arFields["PARAMS"] = (
				!empty($arFields["PARAMS"])
					? array_merge($paramsTmp, $arFields["PARAMS"])
					: $paramsTmp
			);
		}
		elseif(
			$arFields["MODULE_ID"] === "blog"
			&& ($arFields["PARAM1"] ?? null) === "COMMENT"
		)
		{
			$paramsTmp = self::GetSearchParams(
				SONET_ENTITY_USER, $this->_user_id,
				'blog', 'view_comment'
			);
			$arFields["PARAMS"] = (
				!empty($arFields["PARAMS"])
					? array_merge($paramsTmp, $arFields["PARAMS"])
					: $paramsTmp
			);
		}
	}

	foreach(GetModuleEvents("socialnetwork", "BeforeIndexSocNet", true) as $arEvent)
	{
		$arEventResult = ExecuteModuleEventEx($arEvent, array($this, $arFields));
		if(is_array($arEventResult))
		{
			$arFields = $arEventResult;
		}
	}

	return $arFields;
}