other

backend/controllers/cryptoController.js

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+import ky from "ky";
+import logger from "../utils/logger.js"
+
+// Global object to store the latest crypto prices
+const cryptoPrices = {
+    btc: null,
+    ltc: null,
+    xmr: null,
+    lastUpdated: null,
+};
+
+/**
+ * Fetch crypto prices from the CoinGecko API and update the global `cryptoPrices` object.
+ */
+const fetchCryptoPrices = async () => {
+    try {
+        const url =
+            "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,litecoin,monero&vs_currencies=gbp";
+
+        // Fetch using Ky with automatic JSON parsing
+        const data = await ky.get(url).json();
+
+        // Update the stored crypto prices
+        cryptoPrices.btc = data.bitcoin?.gbp ?? null;
+        cryptoPrices.ltc = data.litecoin?.gbp ?? null;
+        cryptoPrices.xmr = data.monero?.gbp ?? null;
+        cryptoPrices.lastUpdated = new Date().toISOString();
+
+        logger.info("✅ Crypto prices updated", { cryptoPrices });
+    } catch (error) {
+        logger.error("❌ Error fetching crypto prices", {
+            message: error.message || "Unknown error",
+        });
+    }
+};
+
+/**
+ * Starts the automatic crypto price updater.
+ * @param {number} interval - Update interval in seconds.
+ */
+const startCryptoPriceUpdater = (interval) => {
+    logger.info(`🚀 Starting crypto price updater (every ${interval} seconds)`);
+    fetchCryptoPrices(); // Fetch immediately
+    setInterval(fetchCryptoPrices, interval * 1000); // Fetch periodically
+};
+
+/**
+ * API Route: Get the latest crypto prices.
+ * @route GET /api/crypto
+ */
+const getCryptoPrices = async (req, res) => {
+    try {
+        res.json({
+            success: true,
+            prices: cryptoPrices,
+        });
+    } catch (error) {
+        logger.error("❌ Error getting crypto prices", {
+            message: error.message || "Unknown error",
+        });
+        res.status(500).json({ success: false, error: "Internal Server Error" });
+    }
+};
+
+const returnCryptoPrices = () => {
+    return cryptoPrices;
+};
+
+export { startCryptoPriceUpdater, getCryptoPrices, returnCryptoPrices };