Function dme

dme/dme.ts:1249–1422

(msg: Api.Message)

  // 标准参数解析
  const lines = msg.text?.trim()?.split(/\r?\n/g) || [];
  const parts = lines?.[0]?.split(/\s+/) || [];
  const [, ...args] = parts;
  const sub = (args[0] || "").toLowerCase();

  try {
    // 无参数时显示帮助
    if (!sub) {
      await msg.edit({
        text: help_text,
        parseMode: "html"
      });
      return;
    }

    // 处理 help 命令
    if (sub === "help" || sub === "h") {
      await msg.edit({
        text: help_text,
        parseMode: "html"
      });
      return;
    }

    // 检查是否为防撤回模式 (-f 参数)
    const isAntiRecallMode = sub === "-f";
    let userRequestedCount: number;
    
    if (isAntiRecallMode) {
      // -f 模式，数量在第二个参数
      const countArg = args[1];
      if (!countArg) {
        await msg.edit({
          text: `❌ <b>参数错误:</b> 请指定删除数量\n\n💡 使用 <code>${mainPrefix}dme -f [数量]</code>`,
          parseMode: "html"
        });
        return;
      }
      userRequestedCount = parseInt(countArg);
    } else {
      // 普通模式，数量在第一个参数
      userRequestedCount = parseInt(sub);
    }
    
    if (isNaN(userRequestedCount) || userRequestedCount <= 0) {
      await msg.edit({
        text: `❌ <b>参数错误:</b> 删除数量必须为正整数\n\n💡 使用 <code>${mainPrefix}dme [数量]</code> 或 <code>${mainPrefix}dme -f [数量]</code>`,
        parseMode: "html"
      });
      return;
    }

    const requestedTotalCount = userRequestedCount;
    const shouldRunInRounds =
      requestedTotalCount !== CONFIG.UNLIMITED_REQUEST_COUNT &&
      requestedTotalCount > CONFIG.MAX_SAFE_REQUEST_COUNT;

    if (shouldRunInRounds) {