DailyHotApi/routes/ngabbs.js

/**
 *  @author: x-dr
 *  @date: 2023年12月25日
 *  @tags: [NGA论坛热帖]
 */

const Router = require("koa-router");
const ngabbsRouter = new Router();
const axios = require("axios");
const { get, set, del } = require("../utils/cacheData");


// 接口信息
const routerInfo = { name: "ngabbs", title: "NGA", subtitle: "论坛热帖" };

// 缓存键名
const cacheKey = "ngabbsData";

// 调用时间
let updateTime = new Date().toISOString();

const url = 'https://ngabbs.com/nuke.php?__lib=load_topic&__act=load_topic_reply_ladder2&opt=1&all=1';

const headers = {
    'Host': 'ngabbs.com',
    'Content-Type': 'application/x-www-form-urlencoded',
    'Accept': '*/*',
    'Accept-Encoding': 'gzip, deflate, br',
    'Connection': 'keep-alive',
    'Content-Length': '11',
    'User-Agent': 'NGA/7.3.1 (iPhone; iOS 17.2.1; Scale/3.00)',
    'Accept-Language': 'zh-Hans-CN;q=1',
    'Referer': 'https://ngabbs.com/',
    'X-User-Agent': 'NGA_skull/7.3.1(iPhone13,2;iOS 17.2.1)',
};
const postData = { '__output': '14' };
// 数据处理
const getData = (data) => {
    if (!data) return [];
    const dataList = [];
    try {

        const result = data.result[0];
        result.forEach((result) => {
            dataList.push({
                author: result.author,
                desc: result.subject,
                parent: result.parent['2'],
                tid: result.tid,
                comments: Number(result.replies),
                url: `https://bbs.nga.cn/read.php?tid=${result.tid}`,
                mobileUrl: `https://bbs.nga.cn/read.php?tid=${result.tid}`,

            });
        });
        return dataList;
    } catch (error) {
        console.error("数据处理出错" + error);
        return false;
    }
};

// NGA论坛热帖
ngabbsRouter.get("/ngabbs", async (ctx) => {
    console.log("获取NGA论坛热帖");
    try {
        // 从缓存中获取数据
        let data = await get(cacheKey);
        const from = data ? "cache" : "server";
        if (!data) {
            // 如果缓存中不存在数据
            console.log("从服务端重新获取NGA论坛热帖");
            // 从服务器拉取数据
            const response = await axios.post(url, postData, { headers });
            data = getData(response.data);
            updateTime = new Date().toISOString();
            if (!data) {
                ctx.body = {
                    code: 500,
                    ...routerInfo,
                    message: "获取失败",
                };
                return false;
            }
            // 将数据写入缓存
            await set(cacheKey, data);
        }
        ctx.body = {
            code: 200,
            message: "获取成功",
            ...routerInfo,
            from,
            total: data.length,
            updateTime,
            data,
        };
    } catch (error) {
        console.error(error);
        ctx.body = {
            code: 500,
            message: "获取失败",
        };
    }
});

// NGA论坛热帖 - 获取最新数据
ngabbsRouter.get("/ngabbs/new", async (ctx) => {
    console.log("获取NGA论坛热帖 - 最新数据");
    try {
        // 从服务器拉取最新数据
        const response = await axios.post(url, postData, { headers });
        const newData = getData(response.data);
        updateTime = new Date().toISOString();
        console.log("从服务端重新获取NGA论坛热帖");

        // 返回最新数据
        ctx.body = {
            code: 200,
            message: "获取成功",
            ...routerInfo,
            total: newData.length,
            updateTime,
            data: newData,
        };

        // 删除旧数据
        await del(cacheKey);
        // 将最新数据写入缓存
        await set(cacheKey, newData);
    } catch (error) {
        // 如果拉取最新数据失败，尝试从缓存中获取数据
        console.error(error);
        const cachedData = await get(cacheKey);
        if (cachedData) {
            ctx.body = {
                code: 200,
                message: "获取成功",
                ...routerInfo,
                total: cachedData.length,
                updateTime,
                data: cachedData,
            };
        } else {
            // 如果缓存中也没有数据，则返回错误信息
            ctx.body = {
                code: 500,
                ...routerInfo,
                message: "获取失败",
            };
        }
    }
});

ngabbsRouter.info = routerInfo;
module.exports = ngabbsRouter;