-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathpart1.js
102 lines (90 loc) · 3.28 KB
/
part1.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/**
* Created by Faisal on 4/30/2018.
*/
var http = require('http');
var fs = require('fs');
var path = require('path');
var request = require("request");
var cheerio = require("cheerio");
var queryString = require('querystring');
var url = require('url');
var jsdom = require("jsdom");
var express = require('express')
var app = express();
app.set('view engine', 'ejs');
app.listen(8080);
app.get('/I/want/title', function(req, res) {
var params = url.parse(req.url, true).query;
if(!params.address){
res.writeHead(404, { 'Content-Type': 'text/html' });
res.end('<html><body><h1>This route expects a list of websites addresses in query string format e.g : /I/want/title?address=http://yahoo.com</h1></body></html>');
return;
}
var titles=[];
var paramsCount = 0;
if(typeof params.address ==='string'){
paramsCount=1;
}
if(paramsCount==1){
request(params.address, function(error, response, body) {
if(error){
titles.push("Response Error <b> "+error.message + "</b>");
if(titles.length==paramsCount){
console.log("Found error"+error.message);
renderHtml(titles);
}
}
else{
var $ = cheerio.load(body);
var title = $("title");
console.log(title.html());
titles.push(title.html());
if(titles.length==paramsCount){
console.log("Success");
renderHtml(titles);
}
}
})
}else if(paramsCount > 1){
params.address.forEach(function(address) {
console.log(address);
request(address, function(error, response, body) {
if(error){
titles.push("Response Error <b>"+error.message+"</b>");
if(titles.length==paramsCount){
console.log("Error found"+error.message);
renderHtml(titles);
}
}else{
var $ = cheerio.load(body);
var title = $("title");
console.log(title.html());
titles.push(title.html());
if(titles.length==paramsCount){
renderHtml(titles);
}
}
})
}, this);//end of forEach
}
function renderHtml(titles){
fs.readFile('./index.html', 'utf8', function(error, data) {
jsdom.env(data, [], function (errors, window) {
var $ = require('jquery')(window);
titles.forEach(function(element) {
$("ul").append('<li>'+element+'</li>');
},this);
res.writeHeader(200, {"Content-Type": "text/html"});
res.write(window.document.documentElement.outerHTML);
res.end();
});
});
}
});
var hostname = 'localhost';
var port = 8080;
var server = http.createServer(function(req, res){
});
server.listen(port, hostname, function(){
console.log("Server running at : http://"+ hostname +":"+port);
});