Function getWebsiteInfo

subinfo/subinfo.ts:258–295

(url: string)

  if (daysToExpire < 45 && !isLongTerm) {
    return { isSingle: true, isLongTerm: false, resetInfo: "单次订阅，无重置", daysToReset: daysToExpire };
  }

  // 计算下次重置日 (基于过期日期的日份)
  const resetDay = expireTime.getDate();
  const current = new Date();
  
  let nextReset = new Date(current.getFullYear(), current.getMonth(), resetDay, 0, 0, 0);
  
  if (nextReset.getTime() < Date.now()) {
      nextReset = new Date(current.getFullYear(), current.getMonth() + 1, resetDay, 0, 0, 0);
  }

  const daysToReset = Math.max(1, Math.floor((nextReset.getTime() / 1000 - now) / 86400));
  
  return { isSingle: false, isLongTerm, resetInfo: `每月${resetDay}日`, daysToReset };
}

// 分割Telegram长消息
function splitLongMessage(text: string, maxLength = 4000): string[] {
  if (text.length <= maxLength) return [text];
  const ret: string[] = [];
  let current = '';
  for (const line of text.split('\n')) {
    if (current.length + line.length + 1 > maxLength) {
      if (current) ret.push(current);
      current = line;
    } else {
      current += (current ? '\n' : '') + line;
    }
  }
  if (current) ret.push(current);
  return ret;
}

// 尝试获取机场官网和网站标题
async function getWebsiteInfo(url: string): Promise<{ website: string | null; websiteName: string | null }> {
  try {
    const urlMatch = url.match(/(https?:\/\/)([^/]+)/);
    if (!urlMatch) return { website: null, websiteName: null };
    const baseUrl = urlMatch[1] + urlMatch[2];