prima prova

This commit is contained in:
PanSi21 2024-12-14 04:23:29 +01:00
parent 4009b1a0be
commit 1a59bcf2b0
Signed by untrusted user who does not match committer: PanSi21
GPG key ID: 755F8874C65EF462
9 changed files with 1387 additions and 0 deletions

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node_modules
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20
package.json Normal file
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@ -0,0 +1,20 @@
{
"name": "webapp",
"version": "1.0.0",
"description": "",
"main": "server.js",
"directories": {
"test": "test"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "node server.js"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"body-parser": "^1.20.3",
"express": "^4.21.2"
}
}

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<!DOCTYPE html>
<html lang="it">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Carrello Ordini</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<!-- Sezione Login -->
<div id="login-section">
<h2>Login</h2>
<form id="login-form">
<label for="user-id">ID Utente:</label>
<input type="text" id="user-id" name="user-id" required>
<button type="submit">Accedi</button>
</form>
</div>
<!-- Sezione per scegliere il metodo di pagamento -->
<div id="payment-method-section">
<h3>Seleziona metodo di pagamento:</h3>
<label>
<input type="radio" name="payment-method" value="Cash" checked> Cash
</label>
<label>
<input type="radio" name="payment-method" value="PayPal"> PayPal
</label>
</div>
<!-- Sezione Carrello (visibile dopo il login) -->
<div id="order-section" style="display:none;">
<h2>Prodotti Disponibili</h2>
<div id="product-list"></div>
<h3>Carrello</h3>
<div id="order-items"></div>
<p>Totale: \u20ac <span id="total-price">0</span></p>
<button id="confirm-order-btn">Conferma Ordine</button>
</div>
<!-- Riepilogo Ordine -->
<div id="order-summary" style="display:none;">
<h2>Riepilogo Ordine</h2>
<div id="order-details"></div>
<button id="back-to-order-btn">Torna al carrello</button>
</div>
<script src="script.js"></script>
</body>
</html>

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let userId = null;
let orderItems = [];
let totalPrice = 0;
const products = [
{ id: 1, nome: "Birra", prezzo: 5 },
{ id: 2, nome: "Acqua", prezzo: 1 },
{ id: 3, nome: "Pizza", prezzo: 10 },
{ id: 4, nome: "Patatine", prezzo: 3 },
{ id: 5, nome: "Panino", prezzo: 7 },
{ id: 6, nome: "Menu", prezzo: 12 }
];
// Funzione per leggere un cookie
function getCookie(name) {
const value = `; ${document.cookie}`;
const parts = value.split(`; ${name}=`);
if (parts.length === 2) return parts.pop().split(';').shift();
return null;
}
// Funzione per scrivere un cookie
function setCookie(name, value, days) {
const expires = new Date(Date.now() + days * 864e5).toUTCString();
document.cookie = `${name}=${value}; expires=${expires}; path=/`;
}
// Funzione per inizializzare la lista dei prodotti
function renderProductList() {
const productListDiv = document.getElementById("product-list");
productListDiv.innerHTML = "";
products.forEach((product) => {
// Cerca la quantità corrente nel carrello
const existingProduct = orderItems.find(item => item.id === product.id);
const quantity = existingProduct ? existingProduct.quantita : 0;
const productCard = document.createElement("div");
productCard.className = "product-card";
productCard.innerHTML = `
<div>${product.nome}</div>
<div>EUR ${product.prezzo}</div>
<div>
<button onclick="decreaseQuantity(${product.id})">-</button>
<span id="quantity-${product.id}">${quantity}</span>
<button onclick="increaseQuantity(${product.id})">+</button>
</div>
`;
productListDiv.appendChild(productCard);
});
}
// Funzione per aumentare la quantità di un prodotto
function increaseQuantity(productId) {
const product = products.find((p) => p.id === productId);
if (product) {
const existingProduct = orderItems.find(item => item.id === productId);
if (existingProduct) {
existingProduct.quantita += 1;
} else {
orderItems.push({ ...product, quantita: 1 });
}
totalPrice += product.prezzo;
updateTotal();
updateProductQuantity(productId);
}
}
// Funzione per diminuire la quantità di un prodotto
function decreaseQuantity(productId) {
const product = products.find((p) => p.id === productId);
if (product) {
const existingProduct = orderItems.find(item => item.id === productId);
if (existingProduct) {
if (existingProduct.quantita > 1) {
existingProduct.quantita -= 1;
totalPrice -= product.prezzo;
} else {
// Rimuove completamente il prodotto se la quantità è 0
orderItems = orderItems.filter(item => item.id !== productId);
totalPrice -= product.prezzo;
}
}
updateTotal();
updateProductQuantity(productId);
}
}
// Funzione per aggiornare la quantità nella UI
function updateProductQuantity(productId) {
const existingProduct = orderItems.find(item => item.id === productId);
const quantity = existingProduct ? existingProduct.quantita : 0;
document.getElementById(`quantity-${productId}`).textContent = quantity;
}
// Funzione per aggiornare il totale
function updateTotal() {
document.getElementById("total-price").textContent = `Totale: EUR ${totalPrice}`;
}
// Funzione per confermare l'ordine
document.getElementById("confirm-order-btn").addEventListener("click", function() {
const tipoPagamento = document.querySelector('input[name="payment-method"]:checked').value; // Recupera il metodo di pagamento selezionato
const data = new Date().toLocaleTimeString(); // Data in formato hh:mm:ss
const order = {
id_utente: userId,
tipo_pagamento: tipoPagamento,
prodotti_acquistati: orderItems.map(item => ({
// id: item.id,
nome: item.nome,
prezzo: item.prezzo,
quantita: item.quantita
})),
prezzo_totale: totalPrice,
data: data
};
// Salviamo l'ordine nel server
fetch("/ordini", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(order)
}).then(response => response.json()).then(data => {
if (data.message === 'Ordine salvato') {
showOrderSummary(order);
resetOrder(); // Resetta l'ordine dopo l'invio
}
});
});
// Mostra il riepilogo dell'ordine
function showOrderSummary(order) {
const orderSummaryDiv = document.getElementById("order-summary");
const orderDetailsDiv = document.getElementById("order-details");
let orderDetailsHTML = `<p>Ordine per l'ID Utente: ${order.id_utente}</p>`;
orderDetailsHTML += `<p>Tipo di pagamento: ${order.tipo_pagamento}</p>`;
order.prodotti_acquistati.forEach(item => {
orderDetailsHTML += `<p>${item.nome} - EUR ${item.prezzo} x ${item.quantita}</p>`;
});
orderDetailsHTML += `<p>Totale: EUR ${order.prezzo_totale}</p>`;
orderDetailsDiv.innerHTML = orderDetailsHTML;
orderSummaryDiv.style.display = "block";
document.getElementById("order-section").style.display = "none";
}
// Torna alla selezione dei prodotti
document.getElementById("back-to-order-btn").addEventListener("click", function() {
document.getElementById("order-summary").style.display = "none";
document.getElementById("order-section").style.display = "block";
});
// Reset dell'ordine
function resetOrder() {
orderItems = [];
totalPrice = 0;
updateTotal();
renderProductList();
document.getElementById("order-section").style.display = "block";
document.getElementById("order-summary").style.display = "none";
}
// Gestisci il login
document.getElementById("login-form").addEventListener("submit", function(event) {
event.preventDefault();
const inputId = document.getElementById("user-id").value;
if (inputId) {
setCookie('userId', inputId, 7); // Salva il cookie per 7 giorni
userId = inputId;
document.getElementById("login-section").style.display = "none";
document.getElementById("order-section").style.display = "block";
renderProductList();
}
});
// Verifica se l'ID utente è già nel cookie
window.onload = function() {
const savedUserId = getCookie('userId');
if (savedUserId) {
userId = savedUserId;
document.getElementById("login-section").style.display = "none";
document.getElementById("order-section").style.display = "block";
renderProductList();
}
};

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<!DOCTYPE html>
<html lang="it">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Statistiche Ordini</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<h1>Statistiche degli Ordini</h1>
<h2>Totale vendite</h2>
<p id="totale-vendite">Caricamento in corso...</p>
<h2>Metodi di Pagamento</h2>
<h3>Totale in contante</h3>
<p id="cash-total">Caricamento in corso...</p>
<h3>Totale PayPal</h3>
<p id="paypal-total">Caricamento in corso...</p>
<h2>Statistiche per Utente</h2>
<div id="user-stats">Caricamento in corso...</div>
<h2>Prodotti Venduti</h2>
<table id="product-stats">
<thead>
<tr>
<th>Nome Prodotto</th>
<th>Quantità Vendute</th>
<th>Totale</th>
</tr>
</thead>
<tbody>
<!-- Le righe saranno riempite tramite JavaScript -->
</tbody>
</table>
<script>
// Carica le statistiche dal server
fetch('/statistiche')
.then(response => response.json())
.then(data => {
const { utenti, metodi_pagamento, prodotti_venduti, totale_vendite } = data;
// Mostra il totale delle vendite
document.getElementById('totale-vendite').textContent = `€ ${totale_vendite.toFixed(2)}`;
// Mostra il totale per ogni metodo di pagamento
document.getElementById('cash-total').textContent = `€ ${metodi_pagamento.Cash.toFixed(2)}`;
document.getElementById('paypal-total').textContent = `€ ${metodi_pagamento.PayPal.toFixed(2)}`;
// Mostra le statistiche per utente
let userStatsHTML = '';
for (const [userId, stats] of Object.entries(utenti)) {
userStatsHTML += `
<div>
<h3>Utente ${userId}</h3>
<p>Totale in contante: € ${stats.totale_cash.toFixed(2)}</p>
<p>Totale PayPal: € ${stats.totale_paypal.toFixed(2)}</p>
<p>Totale ordine: € ${stats.totale.toFixed(2)}</p>
</div>
`;
}
document.getElementById('user-stats').innerHTML = userStatsHTML;
// Mostra le statistiche dei prodotti venduti
const productStatsTable = document.getElementById('product-stats').getElementsByTagName('tbody')[0];
for (const [productName, stats] of Object.entries(prodotti_venduti)) {
const row = productStatsTable.insertRow();
row.insertCell(0).textContent = productName;
row.insertCell(1).textContent = stats.quantita;
row.insertCell(2).textContent = `€ ${stats.totale.toFixed(2)}`;
}
})
.catch(error => {
console.error('Errore nel caricamento delle statistiche:', error);
});
</script>
</body>
</html>

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body {
font-family: Arial, sans-serif;
padding: 20px;
text-align: center;
}
h1, h2, h3 {
color: #333;
}
#product-list {
display: flex;
flex-wrap: wrap;
justify-content: center;
}
.product-card {
width: 200px;
margin: 10px;
padding: 15px;
border: 1px solid #ccc;
border-radius: 5px;
text-align: center;
}
button {
padding: 10px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background-color: #45a049;
}
input, button {
padding: 10px;
margin: 10px;
}
#order-summary {
margin-top: 20px;
}

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const express = require('express');
const bodyParser = require('body-parser');
const fs = require('fs');
const path = require('path');
const app = express();
const PORT = 3000;
// Middleware per servire file statici
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.json());
// Route per gestire gli ordini (POST)
app.post('/ordini', (req, res) => {
const { id_utente, tipo_pagamento, prodotti_acquistati, prezzo_totale, data } = req.body;
const newOrder = {
tipo_pagamento,
prodotti_acquistati,
prezzo_totale,
data
};
const filePath = path.join(__dirname, 'data', `${id_utente}.json`);
// Crea la cartella "data" se non esiste
if (!fs.existsSync('data')) {
fs.mkdirSync('data');
}
// Leggi gli ordini esistenti, se il file esiste
let orders = [];
if (fs.existsSync(filePath)) {
const existingData = fs.readFileSync(filePath, 'utf8');
try {
orders = JSON.parse(existingData);
} catch (error) {
console.error('Errore nel parsing del file JSON:', error);
return res.status(500).send('Errore durante la lettura dell\'ordine esistente');
}
}
// Aggiungi il nuovo ordine agli ordini esistenti
orders.push(newOrder);
// Salva l'array aggiornato nel file
fs.writeFile(filePath, JSON.stringify(orders, null, 2), (err) => {
if (err) {
console.error(err);
return res.status(500).send('Errore durante il salvataggio dell\'ordine');
}
res.status(200).send({ message: 'Ordine salvato' });
});
});
// Avvio del server
app.listen(PORT, () => {
console.log(`Server in esecuzione su http://localhost:${PORT}`);
});

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const express = require('express');
const bodyParser = require('body-parser');
const fs = require('fs');
const path = require('path');
const app = express();
const PORT = 3000;
// Middleware per servire file statici
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.json());
// Route per gestire gli ordini (POST)
app.post('/ordini', (req, res) => {
const { id_utente, tipo_pagamento, prodotti_acquistati, prezzo_totale, data } = req.body;
const order = {
id_utente,
tipo_pagamento,
prodotti_acquistati,
prezzo_totale,
data
};
const filePath = path.join(__dirname, 'data', `${id_utente}.json`);
// Crea la cartella "data" se non esiste
if (!fs.existsSync('data')) {
fs.mkdirSync('data');
}
// Verifica se il file esiste gi<67>
if (fs.existsSync(filePath)) {
// Se esiste, aggiungi l'ordine all'array di ordini
const userData = JSON.parse(fs.readFileSync(filePath, 'utf8'));
userData.push(order);
fs.writeFileSync(filePath, JSON.stringify(userData, null, 2));
} else {
// Se non esiste, crea un nuovo array di ordini
fs.writeFileSync(filePath, JSON.stringify([order], null, 2));
}
res.status(200).send({ message: 'Ordine salvato' });
});
// Route per le statistiche
app.get('/statistiche', (req, res) => {
const dataDir = path.join(__dirname, 'data');
const files = fs.readdirSync(dataDir);
// Variabili per tenere traccia dei dati aggregati
let utenti = {};
let prodotti_venduti = {};
let metodi_pagamento = {
Cash: 0,
PayPal: 0
};
let totale_vendite = 0;
// Per ogni file utente, carica e aggrega i dati
files.forEach(file => {
const filePath = path.join(dataDir, file);
const userData = JSON.parse(fs.readFileSync(filePath, 'utf8'));
// Verifica se userData <20> un array
if (Array.isArray(userData)) {
userData.forEach(order => {
const { id_utente, tipo_pagamento, prodotti_acquistati, prezzo_totale } = order;
// Aggiungi il totale per utente e per metodo di pagamento
if (!utenti[id_utente]) {
utenti[id_utente] = {
totale_cash: 0,
totale_paypal: 0,
totale: 0
};
}
// Aggiungi il totale per metodo di pagamento
if (tipo_pagamento === 'Cash') {
utenti[id_utente].totale_cash += prezzo_totale;
metodi_pagamento.Cash += prezzo_totale;
} else if (tipo_pagamento === 'PayPal') {
utenti[id_utente].totale_paypal += prezzo_totale;
metodi_pagamento.PayPal += prezzo_totale;
}
utenti[id_utente].totale += prezzo_totale;
totale_vendite += prezzo_totale;
// Aggiungi i prodotti venduti
prodotti_acquistati.forEach(item => {
const { nome, prezzo, quantita } = item;
if (!prodotti_venduti[nome]) {
prodotti_venduti[nome] = { quantita: 0, totale: 0 };
}
prodotti_venduti[nome].quantita += quantita;
prodotti_venduti[nome].totale += prezzo * quantita;
});
});
} else {
console.error(`Dati errati nel file ${file}: non <20> un array`);
}
});
// Rispondi con le statistiche aggregate
res.json({
utenti,
metodi_pagamento,
prodotti_venduti,
totale_vendite
});
});
// Avvio del server
app.listen(PORT, () => {
console.log(`Server in esecuzione su http://localhost:${PORT}`);
});