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server.js
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server.js
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/**
* TESTED ON
* Web Browser: Brave Desktop V1.39.111
* Node.js: v17.9.0
* Express: v4.18.1
*/
const express = require('./node_modules/express');
const port = 5000;
/** ------------------------------------------------------------------------ */
/** BUILT-IN MODULES */
const fs = require('fs');
const path = require('path')
const multimedia_template = fs.readFileSync('ostalo/multimedija.html', {encoding: 'utf-8'});
const songs_template = fs.readFileSync('podaci/popis.html', {encoding: 'utf-8'});
const createFigureComponent = (src, caption) =>
`<figure class="text-justify"><img class="icon-media thumbnail" src="${src}" alt="${src}"/><figcaption>${caption}</figcaption></figure>`;
const createVideoComponent = (src, type, poster) =>
`<video class="icon-media thumbnail" poster="${poster}" controls><source src="${src}" type="${type}">Vaš Web preglednik ne podržava video!</video>`
const createAudioComponent = (src, type) =>
`<audio controls muted><source src="${src}" type="${type}"/>Vaš Web preglednik ne podržava audio!</audio>`
/**
* Class HTMLTable models HTML table representation.
*/
class HTMLTable {
/**
* Initializes empty HTML table with given caption
* @param {string} caption
*/
constructor(caption) {
this.table = `<table><caption>${caption}</caption><thead>@headerRow</thead><tbody>@bodyRow</tbody></table>`
}
/**
* Adds header row to the HTML table
* @param {string[]} data
*/
addHeaderRow(data) {
let rowContent = '';
data.forEach(td => rowContent += `<th>${td}</th>`);
this.table = this.table.replace('@headerRow', `${this.#createRow(rowContent)}`);
}
/**
* Adds body row to the HTML table
* @param {string[]} data
*/
addBodyRow(data) {
let rowContent = '';
data.forEach(td => rowContent += `<td>${td}</td>`);
this.table = this.table.replace('@bodyRow', `${this.#createRow(rowContent)}@bodyRow`);
}
/**
* HTML table in string representation.
* @returns {string} HTML table representation
*/
getTable = () =>
this.table.replace('@bodyRow', '');
/**
* Helper method used for creating HTML table row
* @param {string} rowContents
* @returns {string} HTML table row with given rowContents
*/
#createRow = (rowContents) =>
`<tr>${rowContents}</tr>`;
}
/** WEB APPLICATION */
const app = express();
app.use('/materijali', express.static(__dirname + '/materijali'));
app.use('/css', express.static(__dirname + '/css'));
app.use('/js', express.static(__dirname + '/js'));
app.get('/', (req, res) => {
res.sendFile(path.join(__dirname, '/index.html'));
})
app.get('/index', (req, res) => {
res.sendFile(path.join(__dirname, '/index.html'));
})
app.get('/login', (req, res) => {
res.sendFile(path.join(__dirname, '/prijava.html'));
})
app.post('/login', (req, res) => {
res.redirect('/index');
});
app.get('/logout', (req, res) => {
res.redirect('/login');
});
app.get('/form', (req, res) => {
res.sendFile(path.join(__dirname, '/obrazac.html'));
});
app.get('/data/songs', (req, res) => {
const songs = fs.readFileSync('datoteke/songs.csv', {encoding: 'utf-8'});
let page = songs_template;
const table = new HTMLTable('Glazbeni proizvodi Elvisa Presleya');
const rows = songs.split('\n');
table.addHeaderRow(rows[0].split(';'));
for (let i = 1; i < rows.length; i++)
table.addBodyRow(rows[i].split(';'));
page = page.replace('@table', table.getTable());
res.setHeader("Content-Type", "text/html")
res.send(page);
});
app.get('/data/books', (req, res) => {
res.sendFile(path.join(__dirname, '/podaci/pregled.html'));
});
app.get('/other/author', (req, res) => {
res.sendFile(path.join(__dirname, '/ostalo/o_autoru.html'));
});
app.get('/other/multimedia', (req, res) => {
const multimedia = JSON.parse(fs.readFileSync('datoteke/multimedia.json', {encoding: 'utf-8'}));
let page = multimedia_template;
let imgs = '';
for (const imgObj of multimedia[0])
imgs += createFigureComponent(imgObj.src, imgObj.caption);
page = page.replace('@img', imgs);
let videos = '';
for (const videoObj of multimedia[1])
videos += createVideoComponent(videoObj.src, videoObj.type, videoObj.poster);
page = page.replace('@video', videos);
let audios = '';
for (const audioObj of multimedia[2])
audios += createAudioComponent(audioObj.src, audioObj.type);
page = page.replace('@audio', audios);
res.setHeader("Content-Type", "text/html")
res.send(page);
});
app.get('/other/creative', (req, res) => {
res.sendFile(path.join(__dirname, '/ostalo/kreativna.html'));
});
app.get('/other/design', (req, res) => {
res.sendFile(path.join(__dirname, '/ostalo/dizajn.html'));
});
app.listen(port, () =>
console.log(`App started at ${new Date().toLocaleString()} on port ${port}!`)
);