Add audited Graphs stock balances

backend/routes/stockRoutes.js

@@ -1,6 +1,6 @@
 const express = require('express');
 const { authenticateAPIKey, verifyToken } = require('../auth');
-const { listStock, upsertStockItems } = require('../services/stockService');
+const { listGraphsBalanceHistory, listStock, removeGraphsBalance, saveGraphsBalance, upsertStockItems } = require('../services/stockService');
 
 const router = express.Router();
 
@@ -13,6 +13,35 @@ router.get('/stock', verifyToken, async (req, res) => {
     }
 });
 
+router.get('/stock/:productId/graphs-balance-history', verifyToken, async (req, res) => {
+    try {
+        res.json(await listGraphsBalanceHistory(req.params.productId));
+    } catch (error) {
+        console.error('Error fetching Graphs stock balance history:', error);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+});
+
+router.put('/stock/:productId/graphs-balance', verifyToken, async (req, res) => {
+    try {
+        const balance = await saveGraphsBalance(req.params.productId, req.body, req.user?.email);
+        res.json(balance);
+    } catch (error) {
+        console.error('Error saving Graphs stock balance:', error);
+        res.status(error.statusCode || 500).json({ error: error.message || 'Internal Server Error' });
+    }
+});
+
+router.delete('/stock/:productId/graphs-balance', verifyToken, async (req, res) => {
+    try {
+        const balance = await removeGraphsBalance(req.params.productId, req.user?.email);
+        res.json(balance);
+    } catch (error) {
+        console.error('Error removing Graphs stock balance:', error);
+        res.status(error.statusCode || 500).json({ error: error.message || 'Internal Server Error' });
+    }
+});
+
 router.post('/stock', authenticateAPIKey, async (req, res) => {
     res.status(201).json({ message: 'Stock data received, processing in background' });