const Router = require("koa-router"); const sspaiRouter = new Router(); const axios = require("axios"); const { get, set, del } = require("../utils/cacheData"); // 缓存键名 const cacheKey = "sspaiData"; // 调用时间 let updateTime = new Date().toISOString(); // 调用路径 const url = `https://sspai.com/api/v1/article/tag/page/get?limit=40&tag=热门文章`; // 数据处理 const getData = (data) => { if (!data) return []; return data.map((v) => { return { id: v.id, title: v.title, desc: v.summary, pic: `https://cdn.sspai.com/${v.banner}`, owner: v.author, hot: v.like_count, url: `https://sspai.com/post/${v.id}`, mobileUrl: `https://sspai.com/post/${v.itemId}`, }; }); }; // 少数派热榜 sspaiRouter.get("/sspai", async (ctx) => { console.log("获取少数派热榜"); 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("从服务端重新获取少数派热榜"); // 从服务器拉取数据 const response = await axios.get(url); data = getData(response.data.data); updateTime = new Date().toISOString(); // 将数据写入缓存 await set(cacheKey, data); } ctx.body = { code: 200, message: "获取成功", title: "少数派", subtitle: "最热", from, total: data.length, updateTime, data, }; } catch (error) { console.error(error); ctx.body = { code: 500, title: "少数派", subtitle: "最热", message: "获取失败", }; } }); // 少数派热榜 - 获取最新数据 sspaiRouter.get("/sspai/new", async (ctx) => { console.log("获取少数派热榜 - 最新数据"); try { // 从服务器拉取最新数据 const response = await axios.get(url); const newData = getData(response.data.data); updateTime = new Date().toISOString(); console.log("从服务端重新获取少数派热榜"); // 返回最新数据 ctx.body = { code: 200, message: "获取成功", title: "少数派", subtitle: "最热", 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", title: "少数派", subtitle: "最热", 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, title: "少数派", subtitle: "最热", message: "获取失败", }; } } }); module.exports = sspaiRouter;