feat: 兑换码

lib/code.js

@@ -0,0 +1,107 @@
+/**
+ * From ZZZeroUID
+ */
+
+import request from '../utils/request.js';
+
+const TZ_OFFSET = 8 * 60 * 60 * 1000;
+
+async function getData(type, data = {}) {
+  const urls = {
+    activity:
+      'https://bbs-api.miyoushe.com/apihub/api/home/new?gids=8&parts=1%2C3%2C4&device=OnePlus%20IN2025&cpu=placeholder&version=3',
+    index: 'https://api-takumi.mihoyo.com/event/miyolive/index',
+    code: 'https://api-takumi-static.mihoyo.com/event/miyolive/refreshCode',
+  };
+
+  try {
+    const headers = { 'x-rpc-act_id': data.actId || '' };
+    const params = new URLSearchParams({
+      version: data.version || '',
+      time: Math.floor(Date.now() / 1000).toString(),
+    });
+
+    let res;
+    if (type === 'index') {
+      res = await request(urls[type], { headers });
+    } else if (type === 'code') {
+      res = await request(`${urls[type]}?${params}`, { headers });
+    } else {
+      res = await request(urls[type]);
+    }
+
+    return await res.json();
+  } catch (e) {
+    return { error: `[${e.name}] ${type} 接口请求错误` };
+  }
+}
+
+async function getActId() {
+  const ret = await getData('activity');
+  if (ret.error || ret.retcode !== 0) return '';
+
+  const keywords = ['前瞻直播'];
+  for (const nav of ret.data.navigator) {
+    const name = nav.name;
+    if (name && keywords.every(word => name.includes(word))) {
+      const matched = nav.app_path.match(/act_id=(.*?)&/);
+      if (matched) return matched[1];
+    }
+  }
+  return '';
+}
+
+async function getLiveData(actId) {
+  const ret = await getData('index', { actId });
+  if (ret.error || ret.retcode !== 0) {
+    return { error: ret.error || '前瞻直播数据异常' };
+  }
+
+  const liveRaw = ret.data.live;
+  const liveTemp = JSON.parse(ret.data.template);
+  const liveData = {
+    code_ver: liveRaw.code_ver,
+    title: liveRaw.title.replace('特别直播', ''),
+    header: liveTemp.kvDesktop,
+    room: liveTemp.liveConfig[0].desktop,
+  };
+
+  if (liveRaw.is_end) {
+    liveData.review = liveTemp.reviewUrl.args.post_id;
+  } else {
+    const now = new Date(Date.now() + TZ_OFFSET);
+    const start = new Date(liveRaw.start + ' GMT+0800');
+    if (now < start) {
+      liveData.start = liveRaw.start;
+    }
+  }
+  return liveData;
+}
+
+async function getCode(version, actId) {
+  const ret = await getData('code', { version, actId });
+  if (ret.error || ret.retcode !== 0) {
+    return { error: ret.error || '兑换码数据异常' };
+  }
+
+  return ret.data.code_list.map(codeInfo => ({
+    items: codeInfo.title.replace(/<.*?>/g, ''),
+    code: codeInfo.code,
+  }));
+}
+
+export async function getCodeMsg() {
+  const actId = await getActId();
+  if (!actId) return '暂无前瞻直播资讯';
+
+  const liveData = await getLiveData(actId);
+  if (liveData.error) return `获取兑换码失败：\n${liveData.error}`;
+
+  const codeData = await getCode(liveData.code_ver, actId);
+  if (Array.isArray(codeData) && codeData.length > 0) {
+    const code = codeData[0];
+    return `${liveData.title}\n${code.items}:\n${code.code}`;
+  }
+
+  return '获取兑换码失败';
+}