app.js
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var papago = require("./papago.js");
var http = require('http');
var fs = require('fs');
var url = require('url');
var testFolder = './data';
var qs = require('querystring');
var path = require('path');
const {google} = require("googleapis");
const service = google.youtube('v3');
const apis = require('./APIs.json');
const apiKey = apis.youtubeAPI; //api키
let videoNum = "TpPwI_Lo0YY"; //비디오 주소(예시)
var videoLang = 'all'; //설정 언어
const serverIP = "http://localhost:3000" //서버의 주소
var commentList = new Array();
var commentNum = 0;
var korNum = 0;
var savednpt = '';
const URLreg1 = new RegExp(/https?:\/\/youtu.be\//);//유튜브에서 제공하는 동영상 공유 기능을 사용하여 얻은 URL 형식
const URLreg2 = new RegExp(/https?:\/\/www.youtube.com\//);//유튜브 주소를 그대로 넣었을 때 URL형식
function showcomment(response, VideoNum){
let commentDisplay = '';
for(let iterArr = 0; iterArr < commentNum; iterArr++){
commentDisplay += `
<div style="margin-top:15px; display:flex">
<div style="margin-right:10px">
<img class="rounded-circle" src="${commentList[iterArr].image}">
</div>
<div>
<b>${commentList[iterArr].name}</b>
<p>${commentList[iterArr].text}</p>
</div>
</div>
`;
}
let body = `
<!doctype html>
<html>
<head>
<title>Youtube Comment</title>
<meta charset="utf-8">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-0evHe/X+R7YkIZDRvuzKMRqM+OrBnVFBL6DOitfPri4tjfHxaWutUpFmBp4vmVor" crossorigin="anonymous">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Permanent+Marker&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Ubuntu&display=swap" rel="stylesheet">
</head>
<body style="margin:5%">
<h1 style="font-family: 'Permanent Marker', cursive; text-align:center; padding-bottom:1%;"><a href="${serverIP}" style="text-decoration:none; color:inherit;">Youtube Comment Seperator</a></h1>
<form action="${serverIP}/search" method="get">
<div class="form-group" style="font-family: 'Ubuntu', sans-serif;">
<input type="text" name="videourl" placeholder="Type in video Url" class="form-control" style="margin-bottom:10px;" value=${VideoNum}>
<label for="language-select">Choose a language:</label>
<select class="form-control" name="languages" id="language-select" style="display:inline-flex;">
<option value="all" selected>--Please choose an option--</option>
<option value="ko">한국어</option>
<option value="en">English</option>
<option value="ja">日本語</option>
<option value="zh-CN">中國語</option>
<option value="es">español</option>
<option value="fr">Français</option>
<option value="de">Deutsch</option>
</select>
<p align="right" style="margin-top:1%">
<button type="submit" class="btn btn-danger">Display Comments</button>
</p>
</div>
</form>
<br>
<br>
<div class="embed-responsive embed-responsive-16by9" style="text-align:center">
<iframe class="embed-responsive-item" width="560" height="315" src="https://www.youtube.com/embed/${VideoNum}" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div>
<br>
<div id="liveAlertPlaceholder"></div>
<a class="btn btn-dark" href="${serverIP}/search?videourl=${VideoNum}&nextpage=${savednpt}&languages=${videoLang}" role="button">Show more comments</a>
<button type="button" class="btn btn-danger" onclick="alert('Korean Percent: ${Math.floor((korNum/commentNum)*10000)/100}%')">Get Kor Percent</button>
<br>
${commentDisplay}
</body>
</html>
`;
response.writeHead(200);
response.end(body);
}
function loadcomment(ApiKey, VideoNum, npt, n, res){
return service.commentThreads.list({
"key":ApiKey,
"part":[
"snippet, replies"
],
"videoId":VideoNum,//비디오 주소
"maxResults" : 100,
"pageToken" : npt
}).then(function(response) {
async function loadAndParse(){
//console.log("Response", response);
tempcommentList = new Array();
tempListLen = 0;
for(let iter = 0; iter < response.data.pageInfo.totalResults; iter++){
let templang = papago.getLang(response.data.items[iter].snippet.topLevelComment.snippet.textDisplay)
let tempComment = {
'name' : response.data.items[iter].snippet.topLevelComment.snippet.authorDisplayName,
'image' : response.data.items[iter].snippet.topLevelComment.snippet.authorProfileImageUrl,
'text' : response.data.items[iter].snippet.topLevelComment.snippet.textDisplay,
'lang' : templang
}
tempcommentList.push(tempComment);
tempListLen += 1;
}
for(let iter = 0; iter < tempListLen; iter++){
let langPromise = tempcommentList[iter].lang.then(langData=>{
return langData;
});
templang = await langPromise;
if(videoLang == 'all' || videoLang == templang){
commentList.push(tempcommentList[iter]);
if(templang=="ko"){korNum++;}
commentNum++;
}
}
//console.log(response.data.items[0].snippet.topLevelComment.snippet.textDisplay);
//console.log(response.data.items[1].snippet.topLevelComment.snippet.textDisplay);
npt = response.data.nextPageToken;
if(npt != null){
if( n > 1 && commentNum < 100){
loadcomment(ApiKey, VideoNum, npt, n - 1, res);
}else{
savednpt = npt; //만약 댓글을 n번 불러온 후에 댓글이 더 남아있으면 savednpt 갱신
showcomment(res, VideoNum);
}
}else{
savednpt = '';
console.log('end page'); // 댓글의 마지막 페이지
showcomment(res, VideoNum);
}
}
loadAndParse();
},
function(err) { console.error("Execute error", err); });
}
var app = http.createServer(function(request,response){ // request는 브라우저가 주는 정보, response는 우리가 브라우저에게 줄 정보
var _url = request.url; // query string이 담김 ex) /?id=HTML
var queryData = url.parse(_url, true).query; // query string을 추출하였음 나중에 불러올때는 queryData.(값의 이름)
var pathname = url.parse(_url,true).pathname;
var body;
if(pathname === '/'){
body = `
<!doctype html>
<html>
<head>
<title>Youtube Comment</title>
<meta charset="utf-8">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-0evHe/X+R7YkIZDRvuzKMRqM+OrBnVFBL6DOitfPri4tjfHxaWutUpFmBp4vmVor" crossorigin="anonymous">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Permanent+Marker&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Ubuntu&display=swap" rel="stylesheet">
</head>
<body style="margin:5%">
<h1 style="font-family: 'Permanent Marker', cursive; text-align:center; padding-bottom:1%;"><a href="${serverIP}" style="text-decoration:none; color:inherit;">Youtube Comment Seperator</a></h1>
<form action="${serverIP}/search" method="get">
<div class="form-group" style="font-family: 'Ubuntu', sans-serif;">
<input type="text" name="videourl" placeholder="Type in video Url" class="form-control" style="margin-bottom:10px;">
<label for="language-select">Choose a language:</label>
<select class="form-control" name="languages" id="language-select" style="display:inline-flex;">
<option value="all" selected>--Please choose an option--</option>
<option value="ko">한국어</option>
<option value="en">English</option>
<option value="ja">日本語</option>
<option value="zh-CN">中國語</option>
<option value="es">español</option>
<option value="fr">Français</option>
<option value="de">Deutsch</option>
</select>
<p align="right" style="margin-top:1%">
<button type="submit" class="btn btn-danger">Display Comments</button>
</p>
</div>
</form>
</body>
</html>
`;
response.writeHead(200);
response.end(body);
}
else if(pathname === '/search'){
commentList.splice(0);
commentNum = 0; //코멘트 리스트 초기화
korNum = 0;
videoNum = queryData.videourl;
videoLang = queryData.languages;
//유튜브 주소를 그대로 넣었을 때 videoNum 추출
if(URLreg2.test(videoNum)){
let tempvideoNum = url.parse(videoNum,true).query;
videoNum = tempvideoNum.v;
}
//유튜브 URL공유 기능을 사용하여 얻은 주소를 넣었을 때 videoNum 추출
videoNum = videoNum.replace(URLreg1,"");
console.log(videoNum);
let npt = "";
if(queryData.nextpage != null) npt = queryData.nextpage
loadcomment(apiKey,videoNum,npt,5, response);
}
});
app.listen(3000);