Create server.js

server.js

@@ -0,0 +1,64 @@
+const express = require("express");
+const fs = require("fs");
+require("dotenv").config();
+
+const app = express();
+const PORT = 3000;
+const DATA_FILE = "amounts.json";
+
+// Middleware to verify API key from query params
+function authenticate(req, res, next) {
+    const apiKey = req.query.apikey;
+    if (!apiKey || apiKey !== process.env.API_KEY) {
+        return res.status(403).json({ error: "Invalid API key" });
+    }
+    next();
+}
+
+// Function to read stored data
+function readData() {
+    if (!fs.existsSync(DATA_FILE)) return {};
+    return JSON.parse(fs.readFileSync(DATA_FILE));
+}
+
+// Function to write stored data
+function writeData(data) {
+    fs.writeFileSync(DATA_FILE, JSON.stringify(data, null, 2));
+}
+
+// /api/amount?chatid=123&amount=50&apikey=yourkey
+app.get("/api/amount", authenticate, (req, res) => {
+    const { chatid, amount } = req.query;
+    if (!chatid || !amount) return res.status(400).json({ error: "chatid and amount required" });
+
+    const data = readData();
+    if (!data[chatid]) data[chatid] = [];
+
+    const newEntry = { amount: parseFloat(amount), timestamp: new Date().toISOString() };
+    data[chatid].push(newEntry);
+    writeData(data);
+
+    // Call /api/new internally
+    res.redirect(`/api/new?chatid=${chatid}&apikey=${req.query.apikey}`);
+});
+
+// /api/new?chatid=123&apikey=yourkey
+app.get("/api/new", authenticate, (req, res) => {
+    const { chatid } = req.query;
+    if (!chatid) return res.status(400).json({ error: "chatid required" });
+
+    const data = readData();
+    const chatData = data[chatid] || [];
+
+    res.json({
+        chatid,
+        amounts: chatData.map((entry, index) => ({
+            amount: entry.amount,
+            amountId: index + 1,
+            timestamp: entry.timestamp
+        }))
+    });
+});
+
+// Start the server
+app.listen(PORT, () => console.log(`Server running on port ${PORT}`));