DailyHotApi/routes/github.js

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JavaScript
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2023-12-24 14:44:42 +00:00
const Router = require("koa-router");
const githubNewRouter = new Router();
const axios = require("axios");
const cheerio = require("cheerio");
const { get, set, del } = require("../utils/cacheData");
// 接口信息
const routerInfo = {
name: "github",
title: "Github",
subtitle: "trending",
};
// 缓存键名
const cacheKey = "githubData";
// 调用时间
let updateTime = new Date().toISOString();
const url = "https://github.com/trending";
const headers = {
"User-Agent":
"Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Mobile/15E148 Safari/604.1",
};
// 数据处理
const getData = (data) => {
if (!data) return false;
const dataList = [];
const $ = cheerio.load(data);
try {
$(`.Box-row`).each((i,e)=>{
// console.log(getCheerio(e).html());
const item= cheerio.load($(e).html())
// console.log(item);
const title = item("h2 a").attr('href').replace("\/","")
const url = `https://github.com/${title}`
const excerpt = item('p').text().replace(/(^\s*)|(\s*$)/g, "")
const language = item('.f6 span[itemprop="programmingLanguage"]').text().replace(/(^\s*)|(\s*$)/g, "")
const stars = item('.f6 a:first').text().replace(/(^\s*)|(\s*$)/g, "")
const forks = item('.f6 a:eq(1)').text().replace(/(^\s*)|(\s*$)/g, "")
const starstoday = item('.f6 span:eq(4)').text().replace(/(^\s*)|(\s*$)/g, "")
dataList.push({
title: title,
desc: excerpt,
url: url,
language: language,
stars: stars,
forks: forks,
starstoday: starstoday,
});
});
return dataList;
} catch (error) {
console.error("数据处理出错" + error);
return false;
}
};
// trending
githubNewRouter.get("/github", async (ctx) => {
console.log("获取github trending");
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github trending");
// 从服务器拉取数据
const response = await axios.get(url, { headers });
// console.log(response.data);
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,
...routerInfo,
message: "获取失败",
};
}
});
// 豆瓣新片榜 - 获取最新数据
githubNewRouter.get("/github/new", async (ctx) => {
console.log("获取github trending - 最新数据");
try {
// 从服务器拉取最新数据
const response = await axios.get(url, { headers });
const newData = getData(response.data);
updateTime = new Date().toISOString();
console.log("从服务端重新github trending");
// 返回最新数据
ctx.body = {
code: 200,
message: "获取成功",
...routerInfo,
updateTime,
total: newData.length,
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",
};
}
}
});
githubNewRouter.info = routerInfo;
module.exports = githubNewRouter;