Function archiveChat

pmcaptcha/pmcaptcha.ts:414–421

(client: TelegramClient, userId: number)

        return user;
      }
    }
  } catch {}

  return null;
}

async function getDisplayName(client: TelegramClient, userId: number): Promise<string> {
  if (nameCache.has(userId)) return nameCache.get(userId)!;
  const user = await fetchUserInfo(client, userId);
  if (user) {
    const name = [user.firstName, user.lastName].filter(Boolean).join(" ").trim() || "Unknown";