AddOrder2Adapter.kt

package com.rohitjakhar.sagarkhurana.adapter

import android.util.Log
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.appcompat.app.AlertDialog
import androidx.core.view.isVisible
import androidx.paging.PagingDataAdapter
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.RecyclerView
import coil.load
import com.rohitjakhar.sagarkhurana.clicklistner.ItemClickListner
import com.rohitjakhar.sagarkhurana.databinding.DialogInputLayoutBinding
import com.rohitjakhar.sagarkhurana.databinding.SingleProductOrderRowBinding
import com.rohitjakhar.sagarkhurana.model.ProductModel

class AddOrder2Adapter(val itemClickListner: ItemClickListner) :
    PagingDataAdapter<ProductModel, AddOrder2Adapter.AddOrderViewHolder>(Companion) {

    companion object : DiffUtil.ItemCallback<ProductModel>() {
        override fun areItemsTheSame(oldItem: ProductModel, newItem: ProductModel): Boolean {
            return oldItem.productName == oldItem.productName
        }

        override fun areContentsTheSame(oldItem: ProductModel, newItem: ProductModel): Boolean {
            return oldItem == newItem
        }
    }

    override fun onBindViewHolder(holder: AddOrderViewHolder, position: Int) {
        holder.bind(getItem(position) ?: return)
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): AddOrderViewHolder {
        val mView =
            SingleProductOrderRowBinding.inflate(LayoutInflater.from(parent.context), parent, false)
        return AddOrderViewHolder(mView)
    }

    inner class AddOrderViewHolder(val binding: SingleProductOrderRowBinding) :
        RecyclerView.ViewHolder(binding.root) {

        fun bind(productModel: ProductModel) = with(binding) {
            var counter: Int = 0
            imgItemImage.load(productModel.productImage)
            txtItemPrice.text = productModel.productPrice
            txtItemName.text = productModel.productName
            txtItemCount.text = counter.toString()

            imgIncrease.setOnClickListener {
                Log.d("clikkk", "clicks $counter")
                counter += 1
                txtItemCount.text = counter.toString()
                if (counter >= 1) {
                    imgAddNote.isVisible = true
                    imgDecrease.isVisible = true
                    txtItemCount.isVisible = true
                } else {
                    imgAddNote.isVisible = false
                    imgDecrease.isVisible = false
                    txtItemCount.isVisible = false
                }
                itemClickListner.OnCountClickListner(
                    productModel.productId,
                    counter.toString(),
                    productModel.productPrice.toInt()
                )
            }

            imgDecrease.setOnClickListener {
                if (counter > 1) {
                    counter -= 1
                    txtItemCount.text = counter.toString()
                    imgAddNote.isVisible = true
                    imgDecrease.isVisible = true
                    txtItemCount.isVisible = true
                } else {
                    counter = 0
                    imgAddNote.isVisible = false
                    imgDecrease.isVisible = false
                    txtItemCount.isVisible = false
                    return@setOnClickListener
                }
            }
            imgAddNote.setOnClickListener {
                val context = it.context
                val builder = AlertDialog.Builder(context)
                builder.setTitle("Add Note ${productModel.productName}")
                val mView = DialogInputLayoutBinding.inflate(
                    LayoutInflater.from(context)
                )
                builder.setView(mView.root)
                builder.setPositiveButton(android.R.string.ok) { d, p ->
                    var isValid = true
                    if (mView.txtDialogeInputLayout.editText?.text.isNullOrEmpty()) {
                        mView.txtDialogeInputLayout.error = "Enter Note"
                        isValid = false
                    }
                    if (isValid) {
                        itemClickListner.OnNoteClickListner(mView.txtDialogeInputLayout.editText!!.text.toString())
                        d.dismiss()
                    }
                }

                builder.setNegativeButton(android.R.string.cancel){d, p ->
                    d.cancel()
                }
                builder.create()
                builder.show()
            }
        }
    }
}