BannerAdapter.kt

class BannerAdapter(private val listener: OnCategoryClickListener) :
    ListAdapter<Banner, BannerAdapter.BannerViewHolder>(DiffCallBack()) {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BannerViewHolder {
        val binding = ItemRecyclerviewCategoriesSearchBinding.inflate(
            LayoutInflater.from(parent.context),
            parent,
            false
        )
        return BannerViewHolder(binding)
    }

    override fun onBindViewHolder(holder: BannerViewHolder, position: Int) {
        val currentItem = getItem(position)
        holder.bind(currentItem)
    }

    inner class BannerViewHolder(private val binding: ItemRecyclerviewCategoriesSearchBinding) :
        RecyclerView.ViewHolder(binding.root) {

        init {
            binding.root.setOnClickListener {
                val position = absoluteAdapterPosition
                if (position != RecyclerView.NO_POSITION){
                    val banner = getItem(position)
                    listener.onCategoryClick(banner.link_type, banner.link)
                }
            }
        }

        fun bind(banner: Banner) {
            binding.apply {
                Glide.with(itemView.context)
                    .load(banner.media.url)
                    .centerCrop()
                    .transition(DrawableTransitionOptions.withCrossFade())
                    .error(R.drawable.ic_broken_image)
                    .into(imageCategory)
            }
        }
    }

    interface OnCategoryClickListener {
        fun onCategoryClick(type: String, link: String)
    }

    private class DiffCallBack : DiffUtil.ItemCallback<Banner>() {
        override fun areItemsTheSame(oldItem: Banner, newItem: Banner) =
            oldItem == newItem

        override fun areContentsTheSame(oldItem: Banner, newItem: Banner) =
            oldItem.media == newItem.media
    }
}