Added bills upload & list

bills/billRequestValidator.ts

@@ -0,0 +1,26 @@
+import { Request, Response, NextFunction } from "express";
+
+export default function BillRequestValidator(
+  req: Request,
+  res: Response,
+  next: NextFunction
+) {
+  const vendor: string = (req.body.vendor || "").trim();
+  const invoice_number: string = (req.body.invoice_number || "").trim();
+  const ro_number: string = (req.body.ro_number || "").trim();
+
+  // if (vendor === "") {
+  //   res.status(400).json({ error: "No vendor name has been specified." });
+  //   return;
+  // }
+  // if (invoice_number === "") {
+  //   res.status(400).json({ error: "No invoice number has been specified." });
+  //   return;
+  // }
+  if (ro_number === "") {
+    res.status(400).json({ error: "No RO Number has been specified." });
+    return;
+  } else {
+    next();
+  }
+}