rd stock calculation done using the inventory

resources/Inventory/InventoryController.js

@@ -6,32 +6,74 @@ import TerritoryManager from "../TerritoryManagers/TerritoryManagerModel.js";
 import SalesCoordinator from "../SalesCoOrdinators/SalesCoOrdinatorModel.js";
 import crypto from "crypto";
 import RetailDistributor from "../RetailDistributor/RetailDistributorModel.js";
+import { RDStock } from "../Stock/RdStockModel.js";
 // Add inventory data
 export const addInventory = async (req, res) => {
   try {
     const { products, addedFor, addedForId } = req.body;
     const userId = req.user._id;
     const userType = req.userType;
-    // console.log("req.user", req.user);
-    const currentYear = new Date().getFullYear().toString().slice(-2);
-    const randomChars = crypto.randomBytes(4).toString("hex").toUpperCase();
-    const uniqueId = `${currentYear}-${randomChars}`;
-    // console.log("uniqueId", uniqueId);
+    
+    if (addedFor === "RetailDistributor") {
+      // Find the RetailDistributor stock
+      const rdStock = await RDStock.findOne({ userId: addedForId });
+      if (!rdStock) {
+        return res.status(404).json({ error: "Stock not available for the RetailDistributor" });
+      }
+
+      // Array to hold product names that have issues
+      let invalidProducts = [];
+
+      // Loop through products in the request and check stock availability
+      for (const product of products) {
+        const { productid, Sale, ProductName } = product;
+
+        // Find product in the RetailDistributor's stock
+        const rdProduct = rdStock.products.find(p => p.productid.toString() === productid.toString());
+
+        if (rdProduct) {
+          // Check if sales quantity is less than or equal to the stock
+          if (Sale <= rdProduct.Stock) {
+            // Decrease the stock by sales amount
+            rdProduct.Stock -= Sale;
+          } else {
+            // If sales > stock, add to invalid products list
+            invalidProducts.push(ProductName);
+          }
+        } else {
+          // Product not found in stock, add to invalid products list
+          invalidProducts.push(ProductName);
+        }
+      }
+
+      // If there are any invalid products, return error message
+      if (invalidProducts.length > 0) {
+        return res.status(400).json({
+          success: false,
+          message: `Insufficient stock or product not found for: ${invalidProducts.join(", ")}`,
+        });
+      }
+
+      // Save updated stock if all products are valid
+      await rdStock.save();
+    }
+
+    // Create and save new inventory record
     const newInventory = new Inventory({
       userId,
       userType,
       addedFor,
       addedForId,
       products,
-      uniqueId,
     });
-    // console.log("newInventory", newInventory);
+
     await newInventory.save();
     res.status(201).json({
       success: true,
       message: "Inventory added successfully",
       data: newInventory,
     });
+
   } catch (error) {
     res.status(500).json({ success: false, message: "Server error", error });
   }

resources/Inventory/InventoryModel.js

@@ -1,7 +1,12 @@
-import mongoose from 'mongoose';
+import mongoose from "mongoose";
 
 // Define Product record schema
 const ProductRecordSchema = new mongoose.Schema({
+  productid: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "Product",
+    required: true,
+  },
   SKU: {
     type: String,
     required: true,
@@ -21,33 +26,44 @@ const ProductRecordSchema = new mongoose.Schema({
 });
 
 // Define main Inventory schema
-const InventorySchema = new mongoose.Schema({
-  uniqueId: {
-    type: String,
-    required: true,
-    unique: true,
+const InventorySchema = new mongoose.Schema(
+  {
+    uniqueId: {
+      type: String,
+      required: true,
+      unique: true,
+    },
+    userId: {
+      type: mongoose.Schema.Types.ObjectId,
+      refPath: "userType",
+      required: true,
+    },
+    userType: {
+      type: String,
+      required: true,
+      enum: ["SalesCoOrdinator", "TerritoryManager"],
+    },
+    addedFor: {
+      type: String,
+      required: true,
+      enum: ["PrincipalDistributor", "RetailDistributor"],
+    },
+    addedForId: {
+      type: mongoose.Schema.Types.ObjectId,
+      refPath: "addedFor",
+      required: true,
+    },
+    products: [ProductRecordSchema],
   },
-  userId: {
-    type: mongoose.Schema.Types.ObjectId,
-    refPath: 'userType',
-    required: true,
-  },
-  userType: {
-    type: String,
-    required: true,
-    enum: ['SalesCoOrdinator', 'TerritoryManager'],
-  },
-  addedFor: {
-    type: String,
-    required: true,
-    enum: ['PrincipalDistributor', 'RetailDistributor'],
-  },
-  addedForId: {
-    type: mongoose.Schema.Types.ObjectId,
-    refPath: 'addedFor',
-    required: true,
-  },
-  products: [ProductRecordSchema],
-}, { timestamps: true, versionKey: false });
+  { timestamps: true, versionKey: false }
+);
 
-export const Inventory = mongoose.model('Inventory', InventorySchema);
+InventorySchema.pre("save", function (next) {
+  if (!this.uniqueId) {
+    const currentYear = new Date().getFullYear().toString().slice(-2);
+    const randomChars = crypto.randomBytes(4).toString("hex").toUpperCase();
+    this.uniqueId = `${currentYear}-${randomChars}`;
+  }
+  next();
+});
+export const Inventory = mongoose.model("Inventory", InventorySchema);

resources/Inventory/InventoryRoute.js

@@ -3,11 +3,12 @@ import { addInventory, getDistributors,getAllInventories,getSingleInventory } fr
 import { isAuthenticatedSalesCoOrdinator } from "../../middlewares/SalesCoOrdinatorAuth.js";
 import { isAuthenticatedTerritoryManager } from "../../middlewares/TerritoryManagerAuth.js";
 import { authorizeRoles, isAuthenticatedUser } from "../../middlewares/auth.js";
+import {isAuthenticated_SC_TM } from "../../middlewares/generalAuth.js";
 const router = express.Router();
 
 // Route to add inventory data
-router.post("/add-SC", isAuthenticatedSalesCoOrdinator, addInventory);
-router.post("/add-TM", isAuthenticatedTerritoryManager, addInventory);
+router.post("/add", isAuthenticated_SC_TM, addInventory);
+// router.post("/add-TM", isAuthenticatedTerritoryManager, addInventory);
 // Route to get all PD or RD names based on type
 router.get(
   "/distributors-SC/:type",

resources/RD_Ordes/rdOrderController.js

@@ -7,7 +7,7 @@ import { PDStock } from "../Stock/PdStockModel.js";
 import { createKYC } from "../../Utils/rejectKyc.js";
 import { Notification } from "../Notification/notificationModal.js";
 import { sendPushNotification } from "../../Utils/sendPushNotification.js";
-
+import {RDStock} from "../Stock/RdStockModel.js";
 // Controller to create a new order by RD
 export const createOrderRD = async (req, res) => {
   try {
@@ -973,38 +973,38 @@ export const updateCourierStatusToDeliveredForPD = async (req, res) => {
     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 });
+    // Check if RDStock exists for the user
+    let rdStock = await RDStock.findOne({ userId });
+    
+    if (!rdStock) {
+      // If no stock record exists, create a new one
+      rdStock = new RDStock({
+        userId,
+        products: [], // Initialize with empty products array
+      });
+    }
+    // Iterate over each item in the invoice
+    for (let item of invoice.items) {
+      const { productId, processquantity } = item;
 
-    // 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 = rdStock.products.find(
+        (p) => p.productid.toString() === productId.toString()
+      );
 
-    //   // 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,
-    //     });
-    //   }
-    // }
+      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
+        rdStock.products.push({
+          productid: productId,
+          Stock: processquantity,
+        });
+      }
+    }
     // Save the updated PDStock
-    // await pdStock.save();
+    await rdStock.save();
     // Format the current date for display
     const formattedDate = formatDate(new Date());
 

resources/Stock/StockController.js

@@ -199,4 +199,94 @@ export const getProductsAndStockByRD = async (req, res) => {
       message: "Error fetching products and stock",
     });
   }
+};
+
+export const getProductsAndStockForRD = async (req, res) => {
+  try {
+    const { userId } = req.user._id;
+
+    // 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 RDStock data and products concurrently
+    const [userStock, products] = await Promise.all([
+      RDStock.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,
+          },
+        },
+      ]),
+    ]);
+
+    // 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,
+      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/StockRoute.js

@@ -1,6 +1,11 @@
 import express from "express";
-import { getProductsAndStockByPD ,getProductsAndStockByRD} from "./StockController.js";
+import {
+  getProductsAndStockByPD,
+  getProductsAndStockByRD,
+  getProductsAndStockForRD,
+} from "./StockController.js";
 import { authorizeRoles, isAuthenticatedUser } from "../../middlewares/auth.js";
+import {isAuthenticatedRD} from "../../middlewares/rdAuth.js";
 const router = express.Router();
 
 router.get(
@@ -15,4 +20,5 @@ router.get(
   authorizeRoles("admin"),
   getProductsAndStockByRD
 );
+router.get("/stock", isAuthenticatedRD, getProductsAndStockForRD);
 export default router;