AddOrder2Fragment.kt

package com.rohitjakhar.sagarkhurana.ui.addorder

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.viewModels
import androidx.lifecycle.lifecycleScope
import androidx.navigation.fragment.navArgs
import androidx.recyclerview.widget.LinearLayoutManager
import com.rohitjakhar.sagarkhurana.adapter.AddOrder2Adapter
import com.rohitjakhar.sagarkhurana.clicklistner.ItemClickListner
import com.rohitjakhar.sagarkhurana.databinding.FragmentAddOrder2Binding
import com.rohitjakhar.sagarkhurana.model.OrderModel
import com.rohitjakhar.sagarkhurana.utils.Helper.dLog
import com.rohitjakhar.sagarkhurana.viewmodel.AddOrder2ViewModel
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch

class AddOrder2Fragment : Fragment(), ItemClickListner {

    private var _binding: FragmentAddOrder2Binding? = null
    private val binding get() = _binding!!
    private val navArgs: AddOrder2FragmentArgs by navArgs()
    private val mAdapter = AddOrder2Adapter(this@AddOrder2Fragment)
    private val addOrder2ViewModel by viewModels<AddOrder2ViewModel>()
    private var totalItem:Int = 0

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = FragmentAddOrder2Binding.inflate(inflater, container, false)

        binding.rvProductList.apply {
            adapter = mAdapter
            layoutManager = LinearLayoutManager(requireContext())
        }

        lifecycleScope.launch {
            addOrder2ViewModel.flow.collect {
                mAdapter.submitData(it)
            }
        }

        binding.btnReviewOrder.setOnClickListener {

        }

        return binding.root
    }

    override fun onDestroy() {
        _binding = null
        super.onDestroy()
    }

    override fun OnCountClickListner(productId: String, count: String, productPrice: Int) {
        this.totalItem = 
    }

    override fun OnNoteClickListner(productId: String) {
        
    }
}