base.js
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var http = require('http');
var fs = require('fs');
var url = require('url');
var qs = require('querystring');
function templateHTML(title, list, body){
return `
<!doctype html>
<html>
<head>
<title>Youtube MPL - ${title}</title>
<meta charset="utf-8">
</head>
<body>
<h1><a href="/">Youtube MPL</a></h1>
${list}
<a href="/create">create</a>
${body}
</body>
</html>
`;
}
function templateList(filelist){
var list = '<ul>';
var i = 0;
while(i < filelist.length){
list = list + `<li><a href="/?id=${filelist[i]}">${filelist[i]}</a></li>`;
i = i + 1;
}
list = list+'</ul>';
return list;
}
var app = http.createServer(function(request,response){
var _url = request.url;
var queryData = url.parse(_url, true).query;
var pathname = url.parse(_url, true).pathname;
if(pathname === '/'){
if(queryData.id === undefined){
fs.readdir('./data', function(error, filelist){
var title = 'Welcome';
var description = 'Youtube MPL!!';
var list = templateList(filelist);
var template = templateHTML(title, list, `<h2>${title}</h2>${description}`);
response.writeHead(200);
response.end(template);
});
} else {
fs.readdir('./data', function(error, filelist){
fs.readFile(`data/${queryData.id}`, 'utf8', function(err, description){
var title = queryData.id;
var list = templateList(filelist);
var template = templateHTML(title, list, `<h2>${title}</h2>${description}`);
response.writeHead(200);
response.end(template);
});
});
}
} else if(pathname === '/create'){
fs.readdir('./data', function(error, filelist){
var title = 'Download files';
var list = templateList(filelist);
var template = templateHTML(title, list, `
<form action="http://localhost:3000/create_process" method="post">
<p><input type="text" name="title" placeholder="title"></p>
<p><input type="text" name="count" placeholder="count"></p>
<p>
<input type="submit">
</p>
</form>
`);
response.writeHead(200);
response.end(template);
});
} else if(pathname === '/create_process'){
var body = '';
request.on('data', function(data){
body = body + data;
});
request.on('end', function(){
var post = qs.parse(body);
var title = post.title;
var count = post.count;
fs.writeFile(`data/${title}`, count, 'utf8', function(err){
response.writeHead(302, {Location: `http://localhost:3000/`});
response.end();
})
});
} else {
response.writeHead(404);
response.end('Not found');
}
});
app.listen(3000);