Method compactMessageIds

save/save.ts:219–242

(messageIds: number[])

    return `<a href="${htmlEscape(startLink)}">${start}</a>-<a href="${htmlEscape(endLink)}">${end}</a>`;
  }

  private async getChatDisplayName(chatId: string): Promise<string> {
    const cachedName = this.chatDisplayNameCache.get(chatId);
    if (cachedName) {
      return cachedName;
    }

    try {
      const client = await getGlobalClient();
      const peer: Peer = await client.getPeer(chatId);

      const title =
        peer.type === 'chat'
          ? (peer as Chat).title
          : [(peer as User).firstName, (peer as User).lastName].filter(Boolean).join(' ').trim() || (peer as User).username;

      const resolvedName = title ? String(title) : chatId;
      this.chatDisplayNameCache.set(chatId, resolvedName);
      return resolvedName;
    } catch {
      this.chatDisplayNameCache.set(chatId, chatId);
      return chatId;
    }
  }

  private async sendSingleSourceMessage(
    targetPeer: InputPeerLike,