Method findOrCreatePack

sticker/sticker.ts:339–401

(
    client: TelegramClient,
    packName: string,
    username: string,
    stickerInfo: { isAnimated: boolean; isVideo: boolean; isStatic: boolean }
  )

    client: TelegramClient,
    packName: string,
    username: string,
    stickerInfo: { isAnimated: boolean; isVideo: boolean; isStatic: boolean }
  ): Promise<{ packName: string; shouldCreate: boolean }> {
      if (packName) { // User specified a pack (default or temporary)
          try {
              const result = await client.invoke(new Api.messages.GetStickerSet({
                  stickerset: new Api.InputStickerSetShortName({ shortName: packName }),
                  hash: 0,
              }));
              // 修复: 使用类型守卫安全访问 .set 属性
              if (result instanceof Api.messages.StickerSet) {
                  if (result.set.count >= 120) {
                      throw new StickerError(`贴纸包 <code>${htmlEscape(packName)}</code> 已满 (120/120)。`);
                  }
                  return { packName, shouldCreate: false };
              }
              // Handle StickerSetNotModified case if necessary, though unlikely with hash: 0
              return { packName, shouldCreate: false }; 
          } catch (error: any) {
            if (error.errorMessage === 'STICKERSET_INVALID') {
                return { packName, shouldCreate: true };
            }
            throw new StickerError(`检查贴纸包 <code>${htmlEscape(packName)}</code> 时出错: ${htmlEscape(error.message)}`);
          }
      }

      // Auto-generation logic - 为每种类型贴纸分配专用后缀
      let suffix = "_static";  // 默认静态贴纸
      if (stickerInfo.isAnimated) {
        suffix = "_animated";
      } else if (stickerInfo.isVideo) {
        suffix = "_video";
      }
      
      for (let i = 1; i <= 50; i++) { // Try up to 50 packs
          const autoPackName = `${username}${suffix}_${i}`;
          try {
              const result = await client.invoke(new Api.messages.GetStickerSet({
                  stickerset: new Api.InputStickerSetShortName({ shortName: autoPackName }),
                  hash: 0,
              }));
              // 修复: 使用类型守卫安全访问 .set 属性
              if (result instanceof Api.messages.StickerSet) {
                  if (result.set.count < 120) {
                      return { packName: autoPackName, shouldCreate: false };
                  }
              }
              // If full or not modified, loop continues to the next index
          } catch (error: any) {
              if (error.errorMessage === 'STICKERSET_INVALID') {
                  // This pack name is available, so we'll create it
                  return { packName: autoPackName, shouldCreate: true };
              }
              // For other errors, we stop
              throw new StickerError(`检查自动生成的贴纸包时出错: ${htmlEscape(error.message)}`);
          }
      }