pd stock model and get api

app.js

@@ -202,6 +202,8 @@ import RDOrderRoute from "./resources/RD_Ordes/rdOrderRoutes.js"
 import TaskRoute from "./resources/Task/TaskRoute.js";
 // visit RD and PD
 import VisitRDandPDRoute from "./resources/VisitRD&PD/VisitRD&PDRoute.js";
+//Stock
+import Stock from "./resources/Stock/PdStockRoute.js";
 app.use("/api/v1", user);
 
 //Product
@@ -293,7 +295,8 @@ app.use("/api", VisitRDandPDRoute);
 //short urls
 // app.use("/api/shorturl", ShortUrlRouter);
 //Support
-
+//Stock
+app.use("/api", Stock);
 // Email CMS
 // app.use("/api", RegisterEmail);
 export default app;

resources/PD_Orders/pdOrderController.js

@@ -2,7 +2,7 @@ import mongoose from "mongoose";
 import { PdOrder } from "./pdOrderModal.js";
 import sendEmail from "../../Utils/sendEmail.js";
 import { Invoice } from "./invoiceModel.js";
-
+import { PDStock } from "../Stock/PdStockModel.js";
 // Controller for placing an order
 export const createOrder = async (req, res) => {
   try {
@@ -1067,7 +1067,6 @@ export const updateCourierStatusToDelivered = async (req, res) => {
         select: "email",
       },
     });
-
     if (!invoice) {
       return res.status(404).json({ error: "Invoice not found" });
     }
@@ -1088,7 +1087,44 @@ export const updateCourierStatusToDelivered = async (req, res) => {
       order.status = "delivered";
       await order.save();
     }
+    // Get the userId from the order's addedBy
+    const userId = order?.addedBy?._id;
 
+    if (!userId) {
+      return res.status(400).json({ error: "User not found for the order" });
+    }
+    // Check if PDStock exists for the user
+    let pdStock = await PDStock.findOne({ userId });
+    
+    if (!pdStock) {
+      // If no stock record exists, create a new one
+      pdStock = new PDStock({
+        userId,
+        products: [], // Initialize with empty products array
+      });
+    }
+    // Iterate over each item in the invoice
+    for (let item of invoice.items) {
+      const { productId, processquantity } = item;
+
+      // Check if the product already exists in the PDStock for the user
+      const existingProduct = pdStock.products.find(
+        (p) => p.productid.toString() === productId.toString()
+      );
+
+      if (existingProduct) {
+        // If the product exists, update the stock by adding the processquantity
+        existingProduct.Stock += processquantity;
+      } else {
+        // If the product doesn't exist, add a new entry for the product
+        pdStock.products.push({
+          productid: productId,
+          Stock: processquantity,
+        });
+      }
+    }
+    // Save the updated PDStock
+    await pdStock.save();
     // Format the current date for display
     const formattedDate = formatDate(new Date());
 

resources/Stock/PdStockController.js

@@ -0,0 +1,103 @@
+import mongoose from "mongoose";
+import { PDStock } from "./PdStockModel.js";
+import { Product } from "../Products/ProductModel.js";
+
+export const getProductsAndStockByUser = async (req, res) => {
+  try {
+    const { userId } = req.params;
+
+    // Pagination parameters
+    const PAGE_SIZE = parseInt(req.query.show) || 10;
+    const page = parseInt(req.query.page) || 1;
+    const skip = (page - 1) * PAGE_SIZE;
+
+    // Filtering criteria
+    const filter = {};
+    if (req.query.name) {
+      filter.name = {
+        $regex: new RegExp(req.query.name, "i"),
+      };
+    }
+    if (req.query.category) {
+      filter.category = mongoose.Types.ObjectId(req.query.category);
+    }
+    if (req.query.brand) {
+      filter.brand = mongoose.Types.ObjectId(req.query.brand);
+    }
+
+    // Fetch user's PDStock data and products concurrently
+    const [userStock, products] = await Promise.all([
+      PDStock.findOne({ userId: mongoose.Types.ObjectId(userId) }),
+      Product.aggregate([
+        { $match: filter },
+        {
+          $lookup: {
+            from: "categorymodels",
+            localField: "category",
+            foreignField: "_id",
+            as: "categoryDetails",
+          },
+        },
+        {
+          $lookup: {
+            from: "brandmodels",
+            localField: "brand",
+            foreignField: "_id",
+            as: "brandDetails",
+          },
+        },
+        {
+          $project: {
+            category: { $arrayElemAt: ["$categoryDetails.categoryName", 0] },
+            brand: { $arrayElemAt: ["$brandDetails.brandName", 0] },
+            GST: 1,
+            HSN_Code: 1,
+            SKU: 1,
+            addedBy: 1,
+            createdAt: 1,
+            description: 1,
+            image: 1,
+            name: 1,
+            price: 1,
+            product_Status: 1,
+            updatedAt: 1,
+          },
+        },
+        { $skip: skip },
+        { $limit: PAGE_SIZE },
+      ]),
+    ]);
+
+    // Create a stock map for easy lookup
+    const stockMap = {};
+    if (userStock && userStock.products) {
+      userStock.products.forEach((product) => {
+        stockMap[product.productid.toString()] = product.Stock;
+      });
+    }
+
+    // Combine products with their respective stock
+    const productsWithStock = products.map((product) => ({
+      ...product,
+      stock: stockMap[product._id.toString()] || 0,
+    }));
+
+    // Get total count for pagination purposes
+    const total = await Product.countDocuments(filter);
+
+    return res.status(200).json({
+      success: true,
+      totalProducts: total,
+      totalPages: Math.ceil(total / PAGE_SIZE),
+      currentPage: page,
+      products: productsWithStock,
+    });
+  } catch (error) {
+    console.error("Error fetching products with stock:", error);
+    return res.status(500).json({
+      success: false,
+      message: "Error fetching products and stock",
+    });
+  }
+};
+

resources/Stock/PdStockModel.js

@@ -0,0 +1,26 @@
+import mongoose from 'mongoose';
+
+// Define Product record schema
+const ProductRecordSchema = new mongoose.Schema({
+  productid: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Product',
+    required: true,
+  },
+  Stock: {
+    type: Number,
+    default: 0,
+  },
+});
+
+// Define main Stock schema
+const StockSchema = new mongoose.Schema({
+  userId: {
+    type: mongoose.Schema.Types.ObjectId,
+    refPath: 'User',
+    required: true,
+  },
+  products: [ProductRecordSchema],
+}, { timestamps: true, versionKey: false });
+
+export const PDStock = mongoose.model('PDStock', StockSchema);

resources/Stock/PdStockRoute.js

@@ -0,0 +1,12 @@
+import express from "express";
+import { getProductsAndStockByUser } from "./PdStockController.js";
+import { authorizeRoles, isAuthenticatedUser } from "../../middlewares/auth.js";
+const router = express.Router();
+
+router.get(
+  "/pd/stock/:userId",
+  isAuthenticatedUser,
+  authorizeRoles("admin"),
+  getProductsAndStockByUser
+);
+export default router;