Method handleSave

openlist/openlist.ts:545–622

(msg: Api.Message, targetPath?: string)

        await msg.edit({ text: `用法: ${commandName} setport [端口号]` });
        return;
      }

      const installPath = await this.detectInstalledPath();
      const configPath = `${installPath}/data/config.json`;
      if (!(await this.fileExists(configPath))) {
        await msg.edit({ text: "未找到配置文件，请先确保 OpenList 已成功运行一次。" });
        return;
      }

      await msg.edit({ text: `正在修改端口为 ${port}...` });
      await execAsync(`systemctl stop openlist || true`);
      // 使用 sed 安全地替换端口号
      await execAsync(
        `sed -i 's/"port": *[0-9]*/"port": ${port}/g' "${configPath}"`
      );
      await execAsync(`systemctl start openlist`);

      await msg.edit({ text: `端口已修改为 ${port}，服务已重启。` });
    } catch (error: any) {
      await msg.edit({ text: `端口修改失败: ${error?.message || error}` });
    }
  }

  private async handleSave(msg: Api.Message, targetPath?: string) {
    try {
      const replyToMsg = await safeGetReplyMessage(msg);
      if (!replyToMsg || !replyToMsg.media) {
        await msg.edit({ text: "请回复一个文件、图片或视频来保存。" });
        return;
      }

      // 确定最终保存路径
      let finalPath = targetPath;
      if (!finalPath) {
        // 尝试读取默认路径
        const db = await this.getDb();
        finalPath = db.data.defaultPath || "";
      }

      const media = replyToMsg.media;
      let fileName = "";

      if (media instanceof Api.MessageMediaPhoto) {
        fileName = `photo_${Date.now()}.jpg`;
      } else if (media instanceof Api.MessageMediaDocument && media.document instanceof Api.Document) {
        const doc = media.document;
        const fileNameAttr = doc.attributes.find(
          (attr): attr is Api.DocumentAttributeFilename =>
            attr instanceof Api.DocumentAttributeFilename
        );

        if (fileNameAttr) {
          fileName = sanitizeMediaFileName(fileNameAttr.fileName);
        } else {
          // 根据 mimeType 推断后缀
          let ext = "";
          switch (doc.mimeType) {
            case "video/mp4": ext = ".mp4"; break;