initialize.js

const request = require("request");
const fs = require("fs");
const path = require("path");
const url = require("url");
const xmlParser = require("xml-parser");
const cheerio = require("cheerio");

// 根据自己的情况进行配置
const config = {
  username: "Wxiaote", // GitHub 用户名
  token: "9411192d7f3d0c7da8502bf9285b9e865ea38b0b", // GitHub Token
  repo: "wxiaote.github.io", // 存放 issues的git仓库
  // sitemap.xml的路径，commit.js放置在根目录下，无需修改，其他情况自行处理
  sitemapUrl: path.resolve(__dirname, "./public/sitemap.xml"),
  kind: "Gitalk", // "Gitalk" or "Gitment"
};

let issuesUrl = `https://api.github.com/repos/${config.username}/${config.repo}/issues?access_token=${config.token}`;
let requestGetOpt = {
  url: `${issuesUrl}&page=1&per_page=1000`,
  json: true,
  headers: {
    "User-Agent": "github-user"
  }
};
let requestPostOpt = {
  ...requestGetOpt,
  url: issuesUrl,
  method: "POST",
  form: ""
};
console.log("开始初始化评论...");
(async function () {
  console.log("开始检索链接，请稍等...");
  try {
    let urls = sitemapXmlReader(config.sitemapUrl);
    // let directory = ['/project/', '/tutorial/'];
    let directory = ['/project/'];
    //筛选需初始化的链接，如不需筛选，下面这句可注释
    urls =inArray(urls, directory)
    console.log(`共检索到${urls.length}个链接`);
    console.log("开始获取已经初始化的issues:");
    let issues = await send(requestGetOpt);
    console.log(`已经存在${issues.length}个issues`);

    let notInitIssueLinks = urls.filter((link) => {
        return !issues.find((item) => {
            link = removeProtocol(link);
            return item.body.includes(link);
        });
    });
    if (notInitIssueLinks.length > 0) {
        console.log(`本次有${notInitIssueLinks.length}个链接需要初始化issue：`);
        console.log(notInitIssueLinks);
        console.log("开始提交初始化请求, 大约需要40秒...");
        /**
         * 部署好网站后，直接执行start，新增文章并不会生成评论
         * 经测试，最少需要等待40秒，才可以正确生成， 怀疑跟github的api有关系，没有找到实锤
         */
        setTimeout(async ()=>{
            let initRet = await notInitIssueLinks.map(async (item) => {
                let html = await send({ ...requestGetOpt, url: item });
                let title = cheerio.load(html)("title").text();
                let pathLabel = url.parse(item).path;
                // let body = `${item}<br><br>${websiteConfig.description}`;
                // let form = JSON.stringify({ body, labels: [config.kind, pathLabel], title });

                let form = JSON.stringify({labels: [config.kind, pathLabel], title });
                return send({ ...requestPostOpt, form });
            });
            console.log(`已完成${initRet.length}个！`);
            console.log("可以愉快的发表评论了！");
        },40000);
    } else {
        console.log("本次发布无新增页面，无需初始化issue!!");
    }
  } catch (e) {
    console.log(`初始化issue出错，错误如下：`);
    console.log(e);
  } finally {

  }
})();

function inArray(arr, arr2) {
  var array3 = [];
  for (var i = 0; i < arr.length; i++) {
    for(var j=0;j<arr2.length;j++){
        var item=arr2[j];
        if (arr[i].indexOf(item) != -1) {
            array3.push(arr[i]);
          }
    }
  }

  return array3;
}

function sitemapXmlReader(file) {
  let data = fs.readFileSync(file, "utf8");
  let sitemap = xmlParser(data);
  return sitemap.root.children.map(function (url) {
    let loc = url.children.filter(function (item) {
      return item.name === "loc";
    })[0];
    return loc.content;
  });
}

function removeProtocol(url) {
  return url.substr(url.indexOf(":"));
}

function send(options) {
  return new Promise(function (resolve, reject) {
    request(options, function (error, response, body) {
      if (!error) {
        resolve(body);
      } else {
        reject(error);
      }
    });
  });
}