CSocNetLogRights::Add

static function Add($LOG_ID, $GROUP_CODE, $bShare = false, $followSet = true)
{
	global $DB, $CACHE_MANAGER;

	static $logDataCache = array();

	if (is_array($GROUP_CODE))
	{
		foreach($GROUP_CODE as $GROUP_CODE_TMP)
		{
			CSocNetLogRights::Add($LOG_ID, $GROUP_CODE_TMP, $bShare, $followSet);
		}
		return false;
	}
	else
	{
		$db_events = GetModuleEvents("socialnetwork", "OnBeforeSocNetLogRightsAdd");
		while ($arEvent = $db_events->Fetch())
		{
			if (ExecuteModuleEventEx($arEvent, array($LOG_ID, $GROUP_CODE)) === false)
			{
				return false;
			}
		}

		if (!isset($logDataCache[$LOG_ID]))
		{
			$res = LogTable::getList(array(
				'filter' => array(
					'ID' => $LOG_ID
				),
				'select' => array('LOG_UPDATE')
			));
			if ($logEntry = $res->fetch())
			{
				$logDataCache[$LOG_ID] = $logEntry;
			}
		}

		$fields = array(
			"LOG_ID" => $LOG_ID,
			"GROUP_CODE" => $GROUP_CODE,
		);

		if (
			!empty($logDataCache[$LOG_ID])
			&& !empty($logDataCache[$LOG_ID]['LOG_UPDATE'])
			&& ($logDataCache[$LOG_ID]['LOG_UPDATE'] instanceof BitrixMainTypeDateTime)
		)
		{
			$fields['LOG_UPDATE'] = $logDataCache[$LOG_ID]['LOG_UPDATE']->toString();
		}

		$NEW_RIGHT_ID = $DB->add(
			"b_sonet_log_right",
			$fields,
			array(),
			"",
			true // ignore errors
		);

		if ($NEW_RIGHT_ID)
		{
			if (preg_match('/^U(d+)$/', $GROUP_CODE, $matches))
			{
				if($followSet)
				{
					BitrixSocialnetworkComponentHelper::userLogSubscribe(array(
						'logId' => $LOG_ID,
						'userId' => $matches[1],
						'typeList' => array(
							'FOLLOW',
						),
						'followDate' => 'CURRENT'
					));
				}
			}
			elseif (
				$bShare
				&& preg_match('/^SG(d+)$/', $GROUP_CODE, $matches)
			)
			{
				// get all members who unfollow and set'em unfollow from the date
				$arUserIDToCheck = array();

				$rsGroupMembers = CSocNetUserToGroup::GetList(
					array(),
					array(
						"GROUP_ID" => $matches[1],
						"USER_ACTIVE" => "Y",
						"<=ROLE" => SONET_ROLES_USER
					),
					false,
					false,
					array("USER_ID")
				);

				while ($arGroupMembers = $rsGroupMembers->Fetch())
				{
					$arUserIDToCheck[] = $arGroupMembers["USER_ID"];
				}

				if (!empty($arUserIDToCheck))
				{
					$arUserIDFollowDefault = array(
						"Y" => array(),
						"N" => array()
					);
					$arUserIDAlreadySaved = array();
					$default_follow_type = COption::GetOptionString("socialnetwork", "follow_default_type", "Y");

					$rsFollow = CSocNetLogFollow::GetList(
						array(
							"USER_ID" => $arUserIDToCheck,
							"CODE" => "**"
						),
						array("USER_ID", "TYPE")
					);
					while($arFollow = $rsFollow->Fetch())
					{
						$arUserIDFollowDefault[$arFollow["TYPE"]][] = $arFollow["USER_ID"];
					}

					$rsFollow = CSocNetLogFollow::GetList(
						array(
							"USER_ID" => $arUserIDToCheck,
							"CODE" => "L".$LOG_ID
						),
						array("USER_ID")
					);
					while($arFollow = $rsFollow->Fetch())
					{
						$arUserIDAlreadySaved[] = $arFollow["USER_ID"];
					}

					foreach($arUserIDToCheck as $iUserID)
					{
						// for them who not followed by default and not already saved follow/unfollow for the log entry
						if (
							!in_array($iUserID, $arUserIDAlreadySaved)
							&& (
								(
									$default_follow_type == "N"
									&& !in_array($iUserID, $arUserIDFollowDefault["Y"])
								)
								|| (
									$default_follow_type == "Y"
									&& in_array($iUserID, $arUserIDFollowDefault["N"])
								)
							)
						)
						{
							CSocNetLogFollow::Add(
								$iUserID,
								"L".$LOG_ID,
								"N",
								ConvertTimeStamp(time() + CTimeZone::GetOffset(), "FULL", SITE_ID)
							);
						}
					}
				}
			}
		}

		if(defined("BX_COMP_MANAGED_CACHE"))
		{
			$CACHE_MANAGER->ClearByTag("SONET_LOG_".intval($LOG_ID));
		}
		if (BitrixMainLoader::includeModule('landing'))
		{
			BitrixSocialnetworkIntegrationLandingLivefeed::onSocNetLogRightsAddHandler($GROUP_CODE);
		}

		return $NEW_RIGHT_ID;
	}
}