first commit

app/utils/id/confirmOrder.utill.js

@@ -0,0 +1,33 @@
+
+/**
+ * Copyright (c) 2026 Niolla
+ * All rights reserved.
+ *
+ * This source code is proprietary and confidential.
+ * Unauthorized copying, modification, distribution, or use
+ * of this file, via any medium, is strictly prohibited.
+ */
+
+// app/utils/id/confirmOrder.util.js
+
+const { nextSequence, pad } = require("../referenceNumber.util");
+const { sequelize } = require("../../models");
+
+const generateOrderNumber = async () => {
+  const now = new Date();
+
+  const yy = String(now.getFullYear()).slice(-2);
+  const mm = String(now.getMonth() + 1).padStart(2, "0");
+
+  const period = `${yy}${mm}`;
+
+  const sequenceKey = `ORD-${period}`;
+
+  return await sequelize.transaction(async (transaction) => {
+    const nextNo = await nextSequence(sequenceKey, transaction);
+
+    return `OSC/${period}/${pad(nextNo)}`;
+  });
+};
+
+module.exports = { generateOrderNumber };