POS_node/controllers/kds.js

import { broadcastMessage } from "../index.js";
import KDSModel from "../models/KDS.js";

// Resolver to create a new KDS document
export const createKDS = async (req, res) => {
  try {
    const kdsData = req.body;
    const { ref_id } = kdsData;

    // Check if a KDS document with the same ref_id already exists
    const existingKDS = await KDSModel.findOne({ ref_id });

    if (existingKDS) {
      return res.status(400).json({ error: `KDS with ref_id ${ref_id} already exists.` });
    }

    // Proceed to create the new KDS document if ref_id is unique
    const newKDS = new KDSModel(kdsData);
    await newKDS.save();

    res.status(201).json(newKDS);
  } catch (error) {
    res.status(400).json({ error: `Failed to create KDS document: ${error.message}` });
  }
};


// Resolver to get all KDS documents
export const getAllKDS = async (req, res) => {
  try {
    const kdsList = await KDSModel.find();
    res.status(200).json(kdsList);
  } catch (error) {
    res.status(500).json({ error: "Failed to retrieve KDS documents" });
  }
};
export const getKDS = async (req, res, next) => {
  try {
    const foundKDS = await KDSModel.findById(req.params.id)
      .populate({
        path: "userRef",
        model: "User",
        // select: "fName lName username photo",
      })

      .exec();

    if (foundKDS) {
      res.status(200).json(foundKDS);
    } else {
      res.status(404).json("KDS does not exist.");
    }
  } catch (err) {
    res.status(500).json({ message: err.message });
    next(err);
  }
};

export const updateKDS = async (req, res, next) => {
  try {
    console.log(req.params.id);
    const updatedKDS = await KDSModel.findByIdAndUpdate(
      req.params.id,
      { $set: req.body },
      { new: true }
    );
    if (updatedKDS) {
      const messageContent = {
        type: "kds_update",
        content: {
          message: "The KDS has been updated with new data",
          value:JSON.stringify(updatedKDS)
        }
      }; 
      
      // Broadcast the message to all WebSocket clients
      broadcastMessage(messageContent);
      res.status(200).json(updatedKDS);
    } else {
      res.status(404).json("KDS does not exist.");
    }
  } catch (err) {
    next(err);
  }
};
export const updateKDSrow = async (req, res, next) => {
  try {
    console.log(req.params.id);
    const updatedKDS = await KDSModel.findByIdAndUpdate(
      req.params.id,
      { $set: req.body },
      { new: true }
    );
    if (updatedKDS) {
      res.status(200).json(updatedKDS);
    } else {
      res.status(404).json("KDS does not exist.");
    }
  } catch (err) {
    next(err);
  }
};
export const deleteKDS = async (req, res, next) => {
  try {
    const getKDS = await KDSModel.findByIdAndDelete(req.params.id);
    if (getKDS) {
      res.status(200).json("KDS has been deleted.");
    } else {
      res.status(404).json("KDS does not exist.");
    }
  } catch (err) {
    res.status(404).json({ message: err.message });

    next(err);
  }
};