Error in send Message Route TypeError: getReceiverSocketId is not a function

[mannaayan]

Error in send Message Route TypeError: getReceiverSocketId is not a function

const Conversation = require("../models/conversation.models");
const Message = require("../models/message.models");
const { io } = require("../app");
const getReceiverSocketId = require("../app").getReceiverSocketId;

const sendMessage = async(req,res)=>{
// console.log("messages",req.params.id);

try {
    const {message} = req.body;
    const receiverId = req.params.id;
    const senderId = req.user._id;
    console.log(`Sender: ${senderId}, Receiver: ${receiverId},, Message" ${message}`);

    let conversation = await Conversation.findOne({
        participants: { $all : [senderId, receiverId]}
    })

    //send 1st time
    if(!conversation){
        conversation = await Conversation.create({
            participants: [senderId,receiverId],
        })
    }

    const newMessage = new Message({
        senderId,
        receiverId,
        message
    })
    
    if(newMessage){
        conversation.messages.push(newMessage._id);

    }
     // await conversation.save();
    // await newMessage.save();
    //optimize the upper 2 line
    await Promise.all([conversation.save(), newMessage.save()])//this will run in parallel


    //Socket IO
    const receiverSocketId = getReceiverSocketId(receiverId);

	if (receiverSocketId) {
		// io.to(<socket_id>).emit() used to send events to specific client
		io.to(receiverSocketId).emit("newMessage", newMessage);
	}

    // console.log("newMessage", newMessage);
    res.status(201).json(newMessage)

    
} catch (error) {
    console.log("Error in send Message Route", error);
    res.status(500).send({
        success:false,
        message: error.message
    })
}

}

const getMessage = async(req,res)=>{
try {
const userToChatId = req.params.id;
const senderId = req.user._id;

    const conversation = await Conversation .findOne({
        participants:{$all : [senderId,userToChatId]},
    }).populate("messages")//not ref but actual message

    if(!conversation){
        return res.status(200).send({
            success:true,
            message: [],
        })
    }
    
    const messages  = conversation.messages
    res.status(200).send({
        success:true,
        message: messages
    })
} catch (error) {
    console.log("Error in Get Message Route", error);
    res.status(500).send({
        success:false,
        message: error.message
    })
}       

}

module.exports = {sendMessage,getMessage}