api/resources/Orders/PosCheckoutController.js

import { shippingAddress } from "../ShippingAddresses/ShippingAddressModel.js";
import { Order } from "./orderModel.js";

//generate unique order id
const generateUniqueOrderId = async () => {
  const currentYear = new Date().getFullYear();
  // Find the latest order to get the last serial number
  const latestOrder = await Order.findOne({}, {}, { sort: { orderID: -1 } });
  let serialNumber = 1;

  if (latestOrder) {
    const lastYear = parseInt(latestOrder.orderID.substring(0, 4), 10);
    if (lastYear === currentYear) {
      // If the last order was in the current year, increment the serial number
      serialNumber = parseInt(latestOrder.orderID.substring(4), 10) + 1;
    }
  }
  // Pad the serial number with zeros and concatenate with the current year
  const paddedSerialNumber = serialNumber.toString().padStart(7, "0");
  const orderId = `${currentYear}${paddedSerialNumber}`;
  return orderId;
};

// export const poscreateOrderCheckout = async (req, res) => {
//   try {
//     const { userr,address, cart, subtotal,orderType } = req.body;
// // console.log(req.body)
//     // Perform validation
//     if (cart.length < 1)
//     return res.status(400).json({ message: "cart is empty!" });
//   if (!address)
//     return res
//       .status(404)
//       .json({ message: "please select shipping address!" });
//   if (!subtotal)
//     return res
//       .status(404)
//       .json({ message: "please provide product subtotal!" });
//   if (!userr)
//       return res.status(400).json({ message: "user is not defined" });

//     // Retrieve shipping address from database
//     let addss = await shippingAddress.findById(address);

//       let shipping = {
//         first_Name: addss.first_Name,
//         last_Name: addss?.last_Name,
//         phone_Number: addss?.phone_Number,
//         street: addss?.street,
//         city: addss?.city,
//         state: addss?.state,
//         postalCode: addss?.postalCode,
//         country: addss?.country,
//         company_name: addss?.company_name,
//         gst_number: addss?.gst_number,
//         addressId: address,
//       };

//     // Construct order items array
//     const orderItems = await cart.map((item) => ({
//       product: item.product._id,
//       name: item.product.name,
//       variant_Name: item.variant.variant_Name,
//       price: Number(item.variant.price),
//       total_price: item.quantity * Number(item.variant.price),

//       image: item.product.image,
//       quantity: item.quantity,
//       gst_amount: Number(
//         (Number(item.variant.price) * item.variant.gst_Id?.tax) / 100
//       )?.toFixed(3),
//       total_gst_amount: Number(
//         Number(item.quantity) *
//           Number(
//             (Number(item.variant.price) * item.variant.gst_Id?.tax) / 100
//           )
//       )?.toFixed(3),
//       gst_rate: item.variant.gst_Id?.tax,
//       tax_Name: item.variant?.gst_Id?.name,
//       product_Subtotal: Number(
//         Number(item.quantity * Number(item.variant.price)) +
//           Number(
//             Number(item.quantity) *
//               Number(
//                 (Number(item.variant.price) * item.variant.gst_Id?.tax) / 100
//               )
//           )
//       ).toFixed(3),
//     }));

//     // Generate a unique order ID
//     const Id = await generateUniqueOrderId();

//     // Create the order document
//     const order = await Order.create({
//       orderID: Id,
//       total_amount: subtotal,
//       orderItems,
//       shippingInfo: shipping,
//       user: userr,
//       orderType,
//       paymentMode:"cod",
//       payment_status:"success",
//       isPaid:true,
//       paidAt:new Date().toISOString(),
//     });

//     return res.status(201).json({ success: true, order });
//   } catch (error) {
//     console.error("Error creating order:", error);
//     return res
//       .status(500)
//       .json({ success: false, message: "Internal server error" });
//   }
// };

export const poscreateOrderCheckout = async (req, res) => {
  try {
    const { userr, address, cart, subtotal, orderType } = req.body;

    // Perform validation
    if (cart.length < 1)
      return res.status(400).json({ message: "Cart is empty!" });
    if (!address)
      return res.status(404).json({ message: "Please select a shipping address!" });
    if (!subtotal)
      return res.status(404).json({ message: "Please provide the product subtotal!" });
    if (!userr)
      return res.status(400).json({ message: "User is not defined" });

    // Retrieve shipping address from database
    let addss = await shippingAddress.findById(address);

    let shipping = {
      first_Name: addss.first_Name,
      last_Name: addss?.last_Name,
      phone_Number: addss?.phone_Number,
      street: addss?.street,
      city: addss?.city,
      state: addss?.state,
      postalCode: addss?.postalCode,
      country: addss?.country,
      company_name: addss?.company_name,
      gst_number: addss?.gst_number,
      addressId: address,
    };

    // Construct order items array
    const orderItems = cart.map((item) => ({
      product: item.product._id,
      name: item.product.name,
      variant_Name: item.variant.variant_Name,
      price: Number(item.variant.price),
      total_price: item.quantity * Number(item.variant.price),
      image: item.product.image,
      quantity: item.quantity,
      gst_amount: Number((Number(item.variant.price) * item.variant.gst_Id?.tax) / 100)?.toFixed(3),
      total_gst_amount: Number(Number(item.quantity) * Number((Number(item.variant.price) * item.variant.gst_Id?.tax) / 100))?.toFixed(3),
      gst_rate: item.variant.gst_Id?.tax,
      tax_Name: item.variant?.gst_Id?.name,
      product_Subtotal: Number(Number(item.quantity * Number(item.variant.price)) + Number(Number(item.quantity) * Number((Number(item.variant.price) * item.variant.gst_Id?.tax) / 100))).toFixed(3),
    }));

    // Generate a unique order ID
    const Id = await generateUniqueOrderId();

    // Create the order document
    const order = await Order.create({
      orderID: Id,
      total_amount: subtotal,
      orderItems,
      shippingInfo: shipping,
      user: userr,
      orderType,
      paymentMode: "cod",
      payment_status: "success",
      isPaid: true,
      paidAt: new Date().toISOString(),
    });

    return res.status(201).json({ success: true, order });
  } catch (error) {
    console.error("Error creating order:", error);
    return res.status(500).json({ success: false, message: "Internal server error" });
  }
};