Method handleSticker

sticker/sticker.ts:156–290

(msg: Api.Message)

    // NFT 用户名位于 usernames 中，不一定会填充主 username 字段。
    return user.username?.trim()
      || user.usernames?.find(entry => entry.active && entry.username?.trim())?.username.trim()
      || "";
  }

  private async handleSticker(msg: Api.Message): Promise<void> {
    const client = await getGlobalClient();
    if (!client) {
      await msg.edit({ text: "❌ <b>客户端未初始化</b>", parseMode: "html" });
      return;
    }

    try {
      // 标准参数解析
      const lines = msg.text?.trim()?.split(/\r?\n/g) || [];
      const parts = lines?.[0]?.split(/\s+/) || [];
      const [, ...args] = parts; // 跳过命令本身
      const sub = (args[0] || "").toLowerCase();
      const repliedMsg = await safeGetReplyMessage(msg);

      // 处理 help 在前的情况：.s help 或 .s h
      if (sub === "help" || sub === "h") {
        await msg.edit({ text: help_text, parseMode: "html", linkPreview: false });
        return;
      }

      // Case 1: No reply, handle configuration
      if (!repliedMsg || !repliedMsg.sticker) {
        await this.handleConfiguration(msg, args, client);
        return;
      }

      // Case 2: Replied to a sticker, handle saving
      await msg.edit({ text: "🤔 <b>正在处理贴纸...</b>", parseMode: "html" });

      const sticker = repliedMsg.sticker;
      if (!(sticker instanceof Api.Document)) {
        throw new StickerError("回复的消息不是有效的贴纸。");
      }
      
      // 更准确的贴纸类型检测
      const mimeType = sticker.mimeType || "";
      const isAnimated = mimeType === "application/x-tgsticker";
      const isVideo = mimeType === "video/webm";
      const isStatic = !isAnimated && !isVideo && (mimeType === "image/webp" || mimeType === "image/png");
      
      const stickerInfo = {
        isAnimated,
        isVideo,
        isStatic,
        emoji: (() => {
          const alt = sticker.attributes.find(
            (a): a is Api.DocumentAttributeSticker => a instanceof Api.DocumentAttributeSticker
          )?.alt?.trim();
          return alt && alt.length > 0 ? alt : getRandomBaseEmoji();
        })(),
        document: new Api.InputDocument({
          id: sticker.id,
          accessHash: sticker.accessHash,