first commit

backend/index.js

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+const express = require('express');
+const cors = require('cors');
+const bodyParser = require('body-parser');
+const sqlite3 = require('sqlite3').verbose();
+
+const app = express();
+app.use(cors());
+app.use(bodyParser.json());
+
+const PORT = 4000;
+const ADMIN_LOGIN = 'admin';
+const ADMIN_PASSWORD = 'admin123';
+
+const db = new sqlite3.Database('./donations.db', (err) => {
+  if (err) {
+    console.error('Błąd otwarcia bazy danych', err);
+  } else {
+    console.log('Połączono z bazą SQLite.');
+  }
+});
+
+// Tworzenie tabel: campaigns oraz donations
+db.serialize(() => {
+  db.run(`
+    CREATE TABLE IF NOT EXISTS campaigns (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      title TEXT NOT NULL,
+      description TEXT NOT NULL,
+      target REAL NOT NULL
+    )
+  `);
+
+  db.run(`
+    CREATE TABLE IF NOT EXISTS donations (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      campaign_id INTEGER NOT NULL,
+      amount REAL NOT NULL,
+      description TEXT NOT NULL,
+      date TEXT NOT NULL,
+      FOREIGN KEY (campaign_id) REFERENCES campaigns(id)
+    )
+  `);
+});
+
+// -----------------------
+// Endpointy publiczne
+// -----------------------
+
+// Lista wszystkich kampanii
+app.get('/api/campaigns', (req, res) => {
+  db.all("SELECT * FROM campaigns", (err, rows) => {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    res.json(rows);
+  });
+});
+
+// Pobranie szczegółów kampanii (razem z sumą wpłat)
+app.get('/api/campaigns/:id', (req, res) => {
+  const campaignId = req.params.id;
+  db.get("SELECT * FROM campaigns WHERE id = ?", [campaignId], (err, campaign) => {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    if (!campaign) return res.status(404).json({ error: 'Kampania nie znaleziona' });
+    
+    db.get(
+      "SELECT SUM(amount) as totalDonations FROM donations WHERE campaign_id = ?",
+      [campaignId],
+      (err, row) => {
+        if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+        const totalDonations = row.totalDonations || 0;
+        res.json({ ...campaign, totalDonations });
+      }
+    );
+  });
+});
+
+// Lista wpłat dla kampanii
+app.get('/api/campaigns/:id/donations', (req, res) => {
+  const campaignId = req.params.id;
+  db.all("SELECT * FROM donations WHERE campaign_id = ? ORDER BY date DESC", [campaignId], (err, rows) => {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    res.json(rows);
+  });
+});
+
+// -----------------------
+// Endpointy chronione – panel administratora
+// -----------------------
+
+// Logowanie – bardzo uproszczone
+app.post('/api/login', (req, res) => {
+  const { login, password } = req.body;
+  if (login === ADMIN_LOGIN && password === ADMIN_PASSWORD) {
+    res.json({ token: 'admin-session-token-abc123' });
+  } else {
+    res.status(401).json({ error: 'Błędne dane logowania' });
+  }
+});
+
+// Tworzenie nowej kampanii (admin)
+app.post('/api/campaigns', (req, res) => {
+  const { title, description, target, token } = req.body;
+  if (!token) return res.status(401).json({ error: 'Brak uprawnień' });
+  const stmt = db.prepare("INSERT INTO campaigns (title, description, target) VALUES (?, ?, ?)");
+  stmt.run(title, description, target, function(err) {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    const newCampaign = { id: this.lastID, title, description, target };
+    res.status(201).json(newCampaign);
+  });
+  stmt.finalize();
+});
+
+// Aktualizacja celu kampanii (admin)
+app.post('/api/campaigns/:id/target', (req, res) => {
+  const campaignId = req.params.id;
+  const { newTarget, token } = req.body;
+  if (!token) return res.status(401).json({ error: 'Brak uprawnień' });
+  db.run("UPDATE campaigns SET target = ? WHERE id = ?", [newTarget, campaignId], function(err) {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    res.json({ target: newTarget });
+  });
+});
+
+// Dodawanie wpłaty do kampanii (admin)
+app.post('/api/campaigns/:id/donations', (req, res) => {
+  const campaignId = req.params.id;
+  const { amount, description, token } = req.body;
+  if (!token) return res.status(401).json({ error: 'Brak uprawnień' });
+  const date = new Date().toISOString();
+  const stmt = db.prepare("INSERT INTO donations (campaign_id, amount, description, date) VALUES (?, ?, ?, ?)");
+  stmt.run(campaignId, amount, description, date, function(err) {
+    if (err) return res.status(500).json({ error: 'Błąd bazy danych' });
+    const newDonation = { id: this.lastID, campaign_id: campaignId, amount, description, date };
+    res.status(201).json(newDonation);
+  });
+  stmt.finalize();
+});
+
+app.listen(PORT, () => {
+  console.log(`Server działa na porcie ${PORT}`);
+});

backend/package.json

@@ -0,0 +1,15 @@
+{
+    "name": "donation-backend",
+    "version": "1.0.0",
+    "main": "index.js",
+    "scripts": {
+      "start": "node index.js"
+    },
+    "dependencies": {
+      "body-parser": "^1.20.2",
+      "cors": "^2.8.5",
+      "express": "^4.18.2",
+      "sqlite3": "^5.1.6"
+    }
+  }
+