feat: added daily limit feature

src/middlewares/limitCheck.middleware.js

@@ -0,0 +1,28 @@
+const { logger } = require('../util/logger');
+const {
+  getDailyLimit,
+  getUsedLimit,
+} = require('../services/paymentLimit.service');
+
+async function checkLimit(req, res, next) {
+  const { amount } = req.body;
+  const { user, client } = req;
+  const dailyLimit = await getDailyLimit(user, client);
+  const usedLimit = await getUsedLimit(user, client);
+
+  const remainingLimit = dailyLimit - usedLimit;
+
+  logger.info(
+    `dailyLimit = ${dailyLimit} | usedLimit = ${usedLimit} | remainingLimit = ${remainingLimit}`
+  );
+
+  if (amount > remainingLimit) {
+    const midnight = new Date();
+    midnight.setHours(24, 0, 0, 0);
+    res.set('Retry-After', midnight.toUTCString());
+    return res.status(403).json({ error: 'Daily limit exhausted' });
+  }
+  next();
+}
+
+module.exports = { checkLimit };