2023-06-01 09:35:41 +00:00
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const Router = require("koa-router");
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const calendarRouter = new Router();
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const axios = require("axios");
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2023-09-06 06:48:27 +00:00
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const { get, set } = require("../utils/cacheData");
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2023-06-01 09:35:41 +00:00
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// 缓存键名
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const cacheKey = "calendarData";
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// 调用时间
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let updateTime = new Date().toISOString();
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// 获取月份
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const month = (new Date().getMonth() + 1).toString().padStart(2, "0");
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// 获取天数
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const day = new Date().getDate().toString().padStart(2, "0");
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// 调用路径
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const url = `https://baike.baidu.com/cms/home/eventsOnHistory/${month}.json`;
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// 数据处理
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const getData = (data) => {
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if (!data) return [];
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return data.map((v) => {
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return {
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year: v.year,
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title: v.title.replace(/<[^>]+>/g, ""),
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desc: v.desc.replace(/<[^>]+>/g, ""),
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pic: v?.pic_share || v?.pic_index,
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avatar: v?.pic_calendar,
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type: v.type,
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url: v.link,
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mobileUrl: v.link,
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};
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});
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};
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// 历史上的今天
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calendarRouter.get("/calendar", async (ctx) => {
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console.log("获取历史上的今天");
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try {
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// 从缓存中获取数据
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let data = await get(cacheKey);
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const from = data ? "cache" : "server";
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if (!data) {
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// 如果缓存中不存在数据
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console.log("从服务端重新获取历史上的今天");
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// 从服务器拉取数据
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const response = await axios.get(url);
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data = getData(response.data[month][month + day]);
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updateTime = new Date().toISOString();
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if (!data) {
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ctx.body = {
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code: 500,
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title: "历史上的今天",
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subtitle: month + "-" + day,
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message: "获取失败",
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};
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return false;
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}
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// 将数据写入缓存
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await set(cacheKey, data);
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}
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ctx.body = {
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code: 200,
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message: "获取成功",
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title: "历史上的今天",
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subtitle: month + "-" + day,
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from,
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total: data.length,
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updateTime,
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data,
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};
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} catch (error) {
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console.error(error);
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ctx.body = {
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code: 500,
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message: "获取失败",
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};
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}
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});
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// 历史上的今天 - 获取指定日期
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calendarRouter.get("/calendar/date", async (ctx) => {
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console.log("获取历史上的今天 - 指定日期");
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try {
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// 获取参数
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const { month, day } = ctx.query;
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if (!month || !day) {
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ctx.body = { code: 400, message: "参数不完整" };
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return false;
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}
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if (month.length == 1 || day.length == 1) {
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ctx.body = { code: 400, message: "参数格式错误" };
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return false;
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}
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// 从服务器拉取最新数据
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const response = await axios.get(
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2023-09-06 06:48:27 +00:00
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`https://baike.baidu.com/cms/home/eventsOnHistory/${month}.json`,
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2023-06-01 09:35:41 +00:00
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);
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const newData = getData(response.data[month][month + day]);
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updateTime = new Date().toISOString();
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console.log("从服务端重新获取历史上的今天");
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// 返回数据
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ctx.body = {
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code: 200,
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message: "获取成功",
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title: "历史上的今天",
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subtitle: month + "-" + day,
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total: newData.length,
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updateTime,
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data: newData,
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};
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} catch (error) {
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// 返回错误信息
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ctx.body = {
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code: 500,
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title: "历史上的今天",
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subtitle: month + "-" + day,
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message: "获取失败",
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};
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}
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});
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module.exports = calendarRouter;
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