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# Ariketa-01
01.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Http zerbitzaria
https://apunteak.lainoa.eus/post6035433e2a78d6208795d0c7
## Instalakuntza
git clone https://git.lainoa.eus/aitzol/ariketa-01.git
cd ariketa-01
npm install
## Test
node index.js
<a href="http://localhost:8080" target="_blank">localhost:8080</a>
## Demo
<a href="https://lainoa.eus/demoak/ariketa-01" target="_blank">demoa</a>

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ariketa-01/index.js Normal file
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const http = require('http');
const server = http.createServer(function(req, res){
res.writeHead(200);
res.end('Hello World!!');
});
server.listen(8080);
console.log('http zerbitzaria lanean 8080 atakan...');

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{
"name": "ariketa-01",
"version": "1.0.0",
"description": "01.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Http zerbitzaria",
"main": "index.js",
"dependencies": {},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "node index.js"
},
"author": "superuser@lainoa.eus",
"license": "GPL-3.0-or-later"
}

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node_modules/
package-lock.json

625
ariketa-02/LICENSE Normal file
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You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary. For
more information on this, and how to apply and follow the GNU GPL, see <https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General Public
License instead of this License. But first, please read <https://www.gnu.org/
licenses /why-not-lgpl.html>.

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# Ariketa-02
02.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Express.js
https://apunteak.lainoa.eus/post603a1959d961a209a4eab0e3
## Instalakuntza
git clone https://git.lainoa.eus/aitzol/ariketa-02.git
cd ariketa-02
npm install
## Test
node index.js
<a href="http://localhost:8080" target="_blank">localhost:8080</a>
## Demo
<a href="https://lainoa.eus/demoak/ariketa-02/" target="_blank">demoa</a>

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<!DOCTYPE html>
<html>
<head>
<title>Node.js Express.js adibidea</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div id="logged">
<h1>Kaixo!!</h1>
<p>Hau Node.js eta Express.js erabiliz egindako nabigazio adibide bat da.
<a href="irudiak">jarraitu >></a>
</p>
</div>
<div id="unknown">
<h4>Erabiltzailea:</h4>
<form action="./" method="post">
<input type="text" name="username" />
<button>Sartu</button>
</form>
<p>Oharra: sartzen duzun izena 15 minutuan iraungitzen den cookie batean gordeko da.</p>
</div>
<script type="text/javascript" src="js/script.js"></script>
</body>
</html>

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const express = require('express');
const app = express();
const path = require('path');
const bodyParser= require('body-parser');
app.set('port', 8080);
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.get('/', (req, res) => {
res.status(200).sendFile(__dirname + '/index.html');
});
app.get('/irudiak', (req, res) => {
res.status(200).sendFile(__dirname + '/irudiak.html');
});
app.get('/irudi_:num', (req, res) =>{
var num = req.params.num;
res.status(200).sendFile(__dirname + '/irudi_'+num+'.html');
});
app.get('*', (req, res, next) => {
res.status(200).send('Eskatu duzun orrialdea ez da aurkitu!');
next();
});
app.post('/',(req, res) => {
console.log(req.body);
if(req.body.username != ''){
res.cookie('username', req.body.username, { expires: new Date(Date.now() + 900000), 'sameSite':'lax'})
}
res.status(200).sendFile(__dirname + '/index.html');
});
app.listen(app.get('port'), () => {
console.log('Zerbitzaria martxan ' + app.get('port') + ' atakan');
});

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<!DOCTYPE html>
<html>
<head>
<title>Irudi 1</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div class="edukiontzia">
<h1>Irudi 1</h1>
<img class="irudi" src="images/irudi_1.jpg">
<p><a href="irudiak"><< itzuli</a></p>
</div>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<title>Irudi 2</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div class="edukiontzia">
<h1>Irudi 2</h1>
<img class="irudi" src="images/irudi_2.jpg">
<p><a href="irudiak"><< itzuli</a></p>
</div>
</body>
</html>

17
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<!DOCTYPE html>
<html>
<head>
<title>Irudi 3</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div class="edukiontzia">
<h1>Irudi 3</h1>
<img class="irudi" src="images/irudi_3.jpg">
<p><a href="irudiak"><< itzuli</a></p>
</div>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<title>Irudiak</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/styles.css">
</head>
<body>
<div class="edukiontzia">
<h1>Irudiak</h1>
<div class="irudiak">
<div>
<img class="irudi_1" src="images/irudi_1.jpg" onclick="window.location.href='images/irudi_1.jpg'">
<p><a href="irudi_1">irudi 1</a></p>
</div>
<div>
<img class="irudi_2" src="images/irudi_2.jpg" onclick="window.location.href='images/irudi_2.jpg'">
<p><a href="irudi_2">irudi 2</a></p>
</div>
<div>
<img class="irudi_3" src="images/irudi_3.jpg" onclick="window.location.href='images/irudi_3.jpg'">
<p><a href="irudi_3">irudi 3</a></p>
</div>
</div>
<p><a href="./"><< itzuli</a></p>
</div>
</body>
</html>

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{
"name": "ariketa-02",
"version": "1.0.1",
"description": "02.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Express.js",
"main": "index.js",
"dependencies": {
"express": "^4.17.1"
},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "node index.js"
},
"author": "superuser@lainoa.eus",
"license": "GPL-3.0-or-later"
}

43
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.edukiontzia {
display: table;
margin:auto;
}
.item1 { grid-area: irudi1; }
.item2 { grid-area: irudi2; }
.item3 { grid-area: irudi3; }
.irudi_1, .irudi_2, .irudi_3 {
width: 180px;
}
.irudiak{
display: grid;
grid-template-areas:
'irudi1 irudi2 irudi3';
grid-gap: 10px;
padding: 10px;
width: max-content;
}
@media only screen and (max-width: 480px) {
.irudiak{
grid-template-areas:
'irudi1'
'irudi2'
'irudi3';
}
}
@media only screen and (max-width: 640px) {
.irudi{
width: 200px;
}
}
a {
text-decoration: none;
}
a:visited {
color: blue;
}

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function getCookie(name) {
var v = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)');
return v ? v[2] : null;
}
var logged = document.getElementById('logged');
var unknown = document.getElementById('unknown');
if(document.cookie.includes("username")){
console.log(getCookie('username'));
logged.style.display= 'block';
unknown.style.display = 'none';
document.getElementsByTagName('h1')[0].innerHTML = "Kaixo " + getCookie('username') + "!!";
}else{
logged.style.display = 'none';
unknown.style.display = 'block';
}

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node_modules/
package-lock.json

625
ariketa-03/LICENSE Normal file
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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <https://fsf.org/>
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TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
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use to the public, the best way to achieve this is to make it free software
which everyone can redistribute and change under these terms.
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pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify it under
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Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short notice like
this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it under certain
conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands might
be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary. For
more information on this, and how to apply and follow the GNU GPL, see <https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General Public
License instead of this License. But first, please read <https://www.gnu.org/
licenses /why-not-lgpl.html>.

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# Ariketa-03
03.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Pug
https://apunteak.lainoa.eus/post60427300b75d960d00823bb7
## Instalakuntza
git clone https://git.lainoa.eus/aitzol/ariketa-03.git
cd ariketa-03
npm install
## Test
node index.js
<a href="http://localhost:8080" target="_blank">localhost:8080</a>
## Demo
[demoa](https://lainoa.eus/demoak/ariketa-03/)

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const express = require('express');
const app = express();
const path = require('path');
const bodyParser= require('body-parser');
const cookieParser = require('cookie-parser');
const routes = require('./routes');
const api = require('./routes/api');
app.set('port', 8080);
app.set('views', __dirname + '/views');
app.set('view engine', 'pug');
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.use(cookieParser());
app.get('/', routes.index);
app.get('/:name', routes.partials);
app.get('*', (req, res, next) => {
res.status(200).send('Eskatu duzun orrialdea ez da aurkitu!');
next();
});
app.post('/',api.login);
app.listen(app.get('port'), () => {
console.log('Zerbitzaria martxan ' + app.get('port') + ' atakan');
});

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{
"name": "ariketa-03",
"version": "1.0.2",
"description": "03.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Pug",
"main": "index.js",
"dependencies": {
"cookie-parser": "^1.4.5",
"express": "^4.17.1",
"pug": "^3.0.2"
},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "node index.js"
},
"author": "superuser@lainoa.eus",
"license": "GPL-3.0-or-later"
}

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footer{
position:fixed;
width: 100%;
height: max-content;
bottom: 0;
left: 0;
background-color: #000000;
color: white;
text-align: center;
padding-top: 5px;
padding-bottom: 5px;
}

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header {
background-color: #0069ed;
position: fixed;
top: 0;
left: 0;
right: 0;
height: 50px;
display: flex;
flex-direction: row;
align-items: center;
z-index: 9;
box-shadow: 0 0 25px 0 black;
color: white;
}
header > .back:nth-child(2) {
order: 1;
position: fixed;
left: 15px;
}
header :nth-child(1) {
order: 2;
}
header > .next:nth-child(3) {
order: 3;
position: fixed;
right: 15px;
}
.title{
text-align: center;
right: 0;
left: 0;
position: fixed;
}
.next {
width: 0;
height: 0;
border: 10px solid transparent;
border-right: 0;
border-left: 15px solid white;
position: fixed;
right: 15px;
display: none;
}
.back {
width: 0;
height: 0;
border: 10px solid transparent;
border-left: 0;
border-right: 15px solid white;
position: fixed;
left: 15px;
display: none;
}

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.edukiontzia {
display: table;
margin:auto;
position: relative;
top: 50px;
}
.item1 { grid-area: irudi1; }
.item2 { grid-area: irudi2; }
.item3 { grid-area: irudi3; }
.irudi_1, .irudi_2, .irudi_3 {
width: 180px;
}
.irudiak{
display: grid;
grid-template-areas:
'irudi1 irudi2 irudi3';
grid-gap: 10px;
padding: 10px;
width: max-content;
}
#unknown, #logged{
margin:80px auto auto;
}
@media only screen and (max-width: 480px) {
.irudiak{
grid-template-areas:
'irudi1'
'irudi2'
'irudi3';
}
}
@media only screen and (max-width: 640px) {
.irudi{
width: 200px;
}
}
a {
text-decoration: none;
}
a:visited {
color: blue;
}

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/* POST eskaera */
exports.login = function(req, res){
//console.log(req.body);
var logged;
if(req.body.username != ''){
res.cookie('username', req.body.username, { expires: new Date(Date.now() + 900000), 'sameSite':'lax'});
logged = true;
}
res.render('index',{logged: logged, username: req.body.username});
};

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/* GET home orrialdea */
exports.index = function(req, res){
var username;
var logged;
if(req.cookies.username){
username = req.cookies.username;
logged = true;
//console.log(username);
}
res.render('index',{logged: logged, username: username});
};
/* GET orrialde desberdinak */
exports.partials = function (req, res) {
var name;
var num;
if(req.params.name.includes('_')){
name = req.params.name.split("_")[0];
num = req.params.name.split("_")[1];
}else{
name = req.params.name;
}
res.render('partials/' + name, {num: num});
};

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//footer.pug
footer wproject - 2021

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//header.pug
header
.title
h3 ariketa 3
.next(onclick='window.location.href="irudiak"')
.back(onclick='window.history.go(-1)')

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extends layout
block content
if logged
#logged
h1 Kaixo !{username}!!
p
| Hau Node.js, Express.js eta Pug erabiliz egindako nabigazio adibide bat da.
else
#unknown
h4 Erabiltzailea:
form(action='./' method='post')
input(type='text' name='username')
button Sartu
p
| Oharra: sartzen duzun izena 15 minutuan iraungitzen den cookie batean gordeko da.

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doctype
html(lang='eu')
head
title Node.js Express.js Pug adibidea
meta(name='viewport', content='width=device-width, initial-scale=1.0')
base(href='/')
link(rel='stylesheet', href='css/styles.css')
link(rel='stylesheet', href='css/header.css')
link(rel='stylesheet', href='css/footer.css')
link(rel='shortcut icon', href='#')
script.
window.onload = function () {
var logged = "#{logged}"
var path = window.location.pathname;
if(path != '/'){
document.querySelector('.back').style.display = 'block';
document.querySelector('.next').style.display = 'none';
}else{
document.querySelector('.back').style.display = 'none';
if(logged) {
document.querySelector('.next').style.display = 'block';
}
}
};
body
block header
include header
block content
block footer
include footer

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extends ../layout.pug
block content
-var num
.edukiontzia
h1 Irudi !{num}
img.irudi(src='images/irudi_'+num+'.jpg')

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extends ../layout.pug
block content
.edukiontzia
h1 Irudiak
.irudiak
div
img.irudi_1(src='images/irudi_1.jpg' onclick='window.location.href="images/irudi_1.jpg"')
p
a(href='irudi_1') irudi 1
div
img.irudi_2(src='images/irudi_2.jpg' onclick='window.location.href="images/irudi_2.jpg"')
p
a(href='irudi_2') irudi 2
div
img.irudi_3(src='images/irudi_3.jpg' onclick='window.location.href="images/irudi_3.jpg"')
p
a(href='irudi_3') irudi 3