CAllIMContactList::DeleteRecent

static function DeleteRecent($entityId, $isChat = false, $userId = false)
{
	global $DB;

	if (is_array($entityId))
	{
		foreach ($entityId as $key => $value)
		{
			$entityId[$key] = (int)$value;
		}

		$entityId = array_slice($entityId, 0, 1000);

		$sqlEntityId = 'ITEM_ID IN ('.implode(',', $entityId).')';
	}
	else if ((int)$entityId > 0)
	{
		$sqlEntityId = 'ITEM_ID = '.(int)$entityId;
	}
	else
	{
		return false;
	}

	if ((int)$userId <= 0)
	{
		if ($GLOBALS['USER'] instanceof CUser && $GLOBALS['USER']->getId() > 0)
		{
			$userId = $GLOBALS['USER']->getId();
		}
		else
		{
			return false;
		}
	}

	if ($isChat)
	{
		$itemType = "ITEM_TYPE IN ('".implode("','", BitrixImChat::getTypes())."')";
	}
	else
	{
		$itemType = "ITEM_TYPE = '".IM_MESSAGE_PRIVATE."'";
	}

	/*$strSQL = "
		UPDATE b_im_relation R
			INNER JOIN b_im_recent RC
			ON R.ID = RC.ITEM_RID
		SET
			R.STATUS = '".IM_STATUS_READ."'
			, R.UNREAD_ID = 0
			, R.MESSAGE_STATUS = '".IM_MESSAGE_STATUS_RECEIVED."'
			, R.COUNTER = 0
			, R.LAST_READ = NOW()
		WHERE
			RC.USER_ID = {$userId}
			AND RC.{$itemType}
			AND RC.{$sqlEntityId}
	";
	$DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__);*/

	$strSQL = "DELETE FROM b_im_recent WHERE USER_ID = {$userId} AND {$itemType} AND {$sqlEntityId}";
	$DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__);

	if ($isChat)
	{
		$chat = IMV2Chat::getInstance((int)$entityId);
	}
	else
	{
		$chat = IMV2EntityUserUser::getInstance($userId)->getChatWith($entityId);
	}

	if ($chat !== null && !($chat instanceof IMV2ChatNullChat) && $chat->getChatId())
	{
		$chat = $chat->withContextUser($userId);
		if ($chat instanceof IMV2ChatOpenLineChat)
		{
			$chat->read(false, false, true);
		}
		else
		{
			$chat->read();
		}
	}

	if ($isChat && BitrixMainLoader::includeModule('pull'))
	{
		if (is_array($entityId))
		{
			foreach ($entityId as $value)
			{
				CPullWatch::delete($userId, 'IM_PUBLIC_'.(int)$value);
			}
		}
		else
		{
			CPullWatch::delete($userId, 'IM_PUBLIC_'.(int)$entityId);
		}
	}

	//BitrixImCounter::clearCache($userId);

	$strSQL = $DB->TopSql("SELECT 1 FROM b_im_recent WHERE USER_ID = ".$userId, 1);
	$rs = $DB->Query($strSQL, false, "FILE: ".__FILE__."
 LINE: ".__LINE__);
	if (!$rs->Fetch())
	{
		$event = new BitrixMainEvent("im", "OnAfterRecentDelete", array(
			"user_id" => $userId,
		));
		$event->send();
	}

	return true;
}