pd stock model and get api

resources/RD_Ordes/rdOrderController.js

@@ -2,6 +2,7 @@ import sendEmail from "../../Utils/sendEmail.js";
 import RetailDistributor from "../RetailDistributor/RetailDistributorModel.js";
 import { InvoiceRd } from "./invoiceModalRD.js";
 import { RdOrder } from "./rdOrderModal.js";
+import { PDStock } from "../Stock/PdStockModel.js";
 
 // Controller to create a new order by RD
 export const createOrderRD = async (req, res) => {
@@ -379,7 +380,29 @@ export const processOrder = async (req, res) => {
 
     // Save the invoice
     const savedInvoice = await newInvoice.save();
+    // Stock calculation part
+    const pdStock = await PDStock.findOne({ userId: order.addedBy._id });
+    if (!pdStock) {
+      return res.status(404).json({ error: "PD Stock for the user not found" });
+    }
 
+    // Update the stock for each product in the invoice
+    invoiceItems.forEach((item) => {
+      const productInStock = pdStock.products.find(
+        (p) => p.productid.toString() === item.productId.toString()
+      );
+
+      if (productInStock) {
+        productInStock.Stock -= item.processquantity;
+        // console.log(productInStock.Stock);
+        if (productInStock.Stock < 0) {
+          productInStock.Stock = 0; // Prevent stock from going negative
+        }
+      }
+    });
+
+    // Save the updated PD Stock
+    await pdStock.save();
     // Update the order's order items with the remaining quantity
     let allItemsProcessed = true; // Flag to check if all items are processed