Umstellung auf sqlite

server.js

@@ -3,211 +3,16 @@ const express = require('express');
 const axios = require('axios');
 const https = require('https');
 const path = require('path');
-const fs = require('fs');
-const crypto = require('crypto');
 const session = require('express-session');
 
+const db = require('./db');
+
 const app = express();
 const PORT = 80;
 
 // Admin Configuration
 const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD || 'change-this-admin-password';
 
-// Code storage (data/codes.json)
-const DATA_DIR = path.join(__dirname, 'data');
-const CODES_FILE = path.join(DATA_DIR, 'codes.json');
-// 8-char alphanumeric, excludes confusing chars (0, O, 1, I, l)
-const CODE_CHARS = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
-
-function ensureDataDir() {
-  if (!fs.existsSync(DATA_DIR)) {
-    fs.mkdirSync(DATA_DIR, { recursive: true });
-  }
-}
-
-function loadCodes() {
-  ensureDataDir();
-  if (!fs.existsSync(CODES_FILE)) {
-    return [];
-  }
-  try {
-    const data = fs.readFileSync(CODES_FILE, 'utf8');
-    return JSON.parse(data);
-  } catch (err) {
-    console.error('Error loading codes:', err);
-    return [];
-  }
-}
-
-function saveCodes(codes) {
-  ensureDataDir();
-  fs.writeFileSync(CODES_FILE, JSON.stringify(codes, null, 2), 'utf8');
-}
-
-function generateCode() {
-  let code = '';
-  for (let i = 0; i < 8; i++) {
-    code += CODE_CHARS.charAt(Math.floor(Math.random() * CODE_CHARS.length));
-  }
-  return code;
-}
-
-function findAndValidateCode(codeInput) {
-  const codes = loadCodes();
-  const normalized = String(codeInput || '').trim().toUpperCase();
-  if (!normalized) return null;
-  const entry = codes.find((c) => c.code === normalized);
-  if (!entry) return null;
-  if (entry.expiresAt && new Date(entry.expiresAt) < new Date()) {
-    return null; // expired
-  }
-  return entry;
-}
-
-function incrementCodeUseCount(codeInput) {
-  const codes = loadCodes();
-  const normalized = String(codeInput || '').trim().toUpperCase();
-  const idx = codes.findIndex((c) => c.code === normalized);
-  if (idx === -1) return;
-  codes[idx].useCount = (codes[idx].useCount || 0) + 1;
-  saveCodes(codes);
-}
-
-function addCode(expiresInMinutes) {
-  const code = generateCode();
-  const now = new Date();
-  const expiresAt = expiresInMinutes
-    ? new Date(now.getTime() + expiresInMinutes * 60 * 1000)
-    : null;
-  const entry = {
-    code,
-    createdAt: now.toISOString(),
-    expiresAt: expiresAt ? expiresAt.toISOString() : null,
-    useCount: 0
-  };
-  const codes = loadCodes();
-  codes.push(entry);
-  saveCodes(codes);
-  return entry;
-}
-
-function deleteCode(codeInput) {
-  const codes = loadCodes();
-  const normalized = String(codeInput || '').trim().toUpperCase();
-  const filtered = codes.filter((c) => c.code !== normalized);
-  if (filtered.length === codes.length) return false;
-  saveCodes(filtered);
-  return true;
-}
-
-// Packages storage (data/packages.json)
-const PACKAGES_FILE = path.join(DATA_DIR, 'packages.json');
-const PENDING_ORDERS_FILE = path.join(DATA_DIR, 'pending-orders.json');
-const PENDING_ORDER_TTL_MS = 30 * 60 * 1000; // 30 minutes
-
-function loadPackages() {
-  ensureDataDir();
-  if (!fs.existsSync(PACKAGES_FILE)) return [];
-  try {
-    return JSON.parse(fs.readFileSync(PACKAGES_FILE, 'utf8'));
-  } catch (err) {
-    console.error('Error loading packages:', err);
-    return [];
-  }
-}
-
-function savePackages(packages) {
-  ensureDataDir();
-  fs.writeFileSync(PACKAGES_FILE, JSON.stringify(packages, null, 2), 'utf8');
-}
-
-function findPackageById(id) {
-  return loadPackages().find((p) => p.id === id);
-}
-
-function addPackage({ name, durationMinutes, price, currency, active = true }) {
-  const packages = loadPackages();
-  const maxOrder = packages.reduce((m, p) => Math.max(m, p.sortOrder || 0), 0);
-  const entry = {
-    id: crypto.randomUUID(),
-    name: String(name || '').trim(),
-    durationMinutes: parseInt(durationMinutes, 10) || 60,
-    price: parseFloat(price) || 0,
-    currency: String(currency || 'EUR').toUpperCase().slice(0, 3),
-    active: Boolean(active),
-    sortOrder: maxOrder + 1
-  };
-  packages.push(entry);
-  savePackages(packages);
-  return entry;
-}
-
-function updatePackage(id, updates) {
-  const packages = loadPackages();
-  const idx = packages.findIndex((p) => p.id === id);
-  if (idx === -1) return null;
-  packages[idx] = {
-    ...packages[idx],
-    ...(updates.name !== undefined && { name: String(updates.name).trim() }),
-    ...(updates.durationMinutes !== undefined && { durationMinutes: parseInt(updates.durationMinutes, 10) || packages[idx].durationMinutes }),
-    ...(updates.price !== undefined && { price: parseFloat(updates.price) || packages[idx].price }),
-    ...(updates.currency !== undefined && { currency: String(updates.currency).toUpperCase().slice(0, 3) }),
-    ...(updates.active !== undefined && { active: Boolean(updates.active) }),
-    ...(updates.sortOrder !== undefined && { sortOrder: parseInt(updates.sortOrder, 10) })
-  };
-  savePackages(packages);
-  return packages[idx];
-}
-
-function deletePackage(id) {
-  const packages = loadPackages();
-  const filtered = packages.filter((p) => p.id !== id);
-  if (filtered.length === packages.length) return false;
-  savePackages(filtered);
-  return true;
-}
-
-function loadPendingOrders() {
-  ensureDataDir();
-  if (!fs.existsSync(PENDING_ORDERS_FILE)) return {};
-  try {
-    return JSON.parse(fs.readFileSync(PENDING_ORDERS_FILE, 'utf8'));
-  } catch (err) {
-    console.error('Error loading pending orders:', err);
-    return {};
-  }
-}
-
-function savePendingOrders(obj) {
-  ensureDataDir();
-  fs.writeFileSync(PENDING_ORDERS_FILE, JSON.stringify(obj, null, 2), 'utf8');
-}
-
-function addPendingOrder(orderId, { guestMac, packageId }) {
-  const orders = loadPendingOrders();
-  orders[orderId] = {
-    guestMac,
-    packageId,
-    createdAt: new Date().toISOString()
-  };
-  savePendingOrders(orders);
-}
-
-function getAndRemovePendingOrder(orderId) {
-  const orders = loadPendingOrders();
-  const entry = orders[orderId];
-  if (!entry) return null;
-  const created = new Date(entry.createdAt).getTime();
-  if (Date.now() - created > PENDING_ORDER_TTL_MS) {
-    delete orders[orderId];
-    savePendingOrders(orders);
-    return null;
-  }
-  delete orders[orderId];
-  savePendingOrders(orders);
-  return entry;
-}
-
 // Telegram Configuration
 const TELEGRAM_BOT_TOKEN = process.env.TELEGRAM_BOT_TOKEN;
 const TELEGRAM_CHAT_ID = process.env.TELEGRAM_CHAT_ID;
@@ -328,7 +133,7 @@ app.post('/authorize', async (req, res) => {
     });
   }
 
-  const codeEntry = findAndValidateCode(code);
+  const codeEntry = db.findAndValidateCode(code);
   if (!codeEntry) {
     return res.status(400).json({
       success: false,
@@ -350,7 +155,7 @@ app.post('/authorize', async (req, res) => {
     
     console.log('Authorization successful!', authorizeResponse.data);
 
-    incrementCodeUseCount(code);
+    db.incrementCodeUseCount(code);
     
     res.json({ 
       success: true, 
@@ -394,7 +199,7 @@ app.get('/admin/check', (req, res) => {
 });
 
 app.get('/admin/codes', requireAdmin, (req, res) => {
-  const codes = loadCodes();
+  const codes = db.loadCodes();
   const now = new Date();
   const filtered = codes.map((c) => ({
     ...c,
@@ -405,12 +210,12 @@ app.get('/admin/codes', requireAdmin, (req, res) => {
 
 app.post('/admin/codes', requireAdmin, (req, res) => {
   const { expiresInMinutes } = req.body || {};
-  const entry = addCode(expiresInMinutes != null ? Number(expiresInMinutes) : null);
+  const entry = db.addCode(expiresInMinutes != null ? Number(expiresInMinutes) : null);
   res.json({ success: true, code: entry.code, entry });
 });
 
 app.delete('/admin/codes/:code', requireAdmin, (req, res) => {
-  const deleted = deleteCode(req.params.code);
+  const deleted = db.deleteCode(req.params.code);
   if (deleted) {
     return res.json({ success: true });
   }
@@ -419,7 +224,7 @@ app.delete('/admin/codes/:code', requireAdmin, (req, res) => {
 
 // Public packages (active only)
 app.get('/api/packages', (req, res) => {
-  const packages = loadPackages()
+  const packages = db.loadPackages()
     .filter((p) => p.active)
     .sort((a, b) => (a.sortOrder || 0) - (b.sortOrder || 0))
     .map((p) => ({
@@ -434,7 +239,7 @@ app.get('/api/packages', (req, res) => {
 
 // Admin packages CRUD
 app.get('/admin/packages', requireAdmin, (req, res) => {
-  const packages = loadPackages().sort((a, b) => (a.sortOrder || 0) - (b.sortOrder || 0));
+  const packages = db.loadPackages().sort((a, b) => (a.sortOrder || 0) - (b.sortOrder || 0));
   res.json({ packages });
 });
 
@@ -443,18 +248,18 @@ app.post('/admin/packages', requireAdmin, (req, res) => {
   if (!name || !durationMinutes || price == null) {
     return res.status(400).json({ success: false, error: 'Missing required fields: name, durationMinutes, price' });
   }
-  const entry = addPackage({ name, durationMinutes, price, currency: currency || 'EUR', active });
+  const entry = db.addPackage({ name, durationMinutes, price, currency: currency || 'EUR', active });
   res.json({ success: true, package: entry });
 });
 
 app.put('/admin/packages/:id', requireAdmin, (req, res) => {
-  const pkg = updatePackage(req.params.id, req.body || {});
+  const pkg = db.updatePackage(req.params.id, req.body || {});
   if (!pkg) return res.status(404).json({ success: false, error: 'Package not found' });
   res.json({ success: true, package: pkg });
 });
 
 app.delete('/admin/packages/:id', requireAdmin, (req, res) => {
-  const deleted = deletePackage(req.params.id);
+  const deleted = db.deletePackage(req.params.id);
   if (!deleted) return res.status(404).json({ success: false, error: 'Package not found' });
   res.json({ success: true });
 });
@@ -466,7 +271,7 @@ app.post('/api/paypal/create-order', async (req, res) => {
     return res.status(400).json({ success: false, error: 'Session expired. Please reconnect to WiFi.' });
   }
   const { packageId } = req.body || {};
-  const pkg = findPackageById(packageId);
+  const pkg = db.findPackageById(packageId);
   if (!pkg || !pkg.active) {
     return res.status(400).json({ success: false, error: 'Invalid package' });
   }
@@ -497,7 +302,7 @@ app.post('/api/paypal/create-order', async (req, res) => {
       }
     );
     const orderId = resPayPal.data.id;
-    addPendingOrder(orderId, {
+    db.addPendingOrder(orderId, {
       guestMac: req.session.guestMac,
       packageId: pkg.id
     });
@@ -523,12 +328,12 @@ app.post('/api/paypal/capture-order', async (req, res) => {
     return res.status(400).json({ success: false, error: 'Missing orderId' });
   }
 
-  const pending = getAndRemovePendingOrder(orderId);
+  const pending = db.getAndRemovePendingOrder(orderId);
   if (!pending || pending.guestMac !== guestMac) {
     return res.status(400).json({ success: false, error: 'Invalid or expired order' });
   }
 
-  const pkg = findPackageById(pending.packageId);
+  const pkg = db.findPackageById(pending.packageId);
   if (!pkg) {
     return res.status(400).json({ success: false, error: 'Package no longer available' });
   }
@@ -550,7 +355,7 @@ app.post('/api/paypal/capture-order', async (req, res) => {
       return res.status(400).json({ success: false, error: 'Payment not completed' });
     }
 
-    addCode(pkg.durationMinutes); // record for audit
+    db.addCode(pkg.durationMinutes); // record for audit
 
     const amount = `${Number(pkg.price).toFixed(2)} ${pkg.currency}`;
     const durationText = pkg.durationMinutes >= 1440