refactoring-3.kt

fun onClickLikeButton() {
    if (viewModel.liked) {
        removeLike()
    } else {
        addLike()
    }
}

private fun showError(errorMessage: String) {
    Toast.makeToast(activity, errorMessage, LENGTH_LONG).show()
}

private fun addLike() {
    
    viewModel.addLikeLocally()
    apiService.addLike.enqueue({ response -> 

        viewModel.count = response.count
    }, { failure ->
        
        showError("Ops an error occurred") 
        viewModel.removeLikeLocally()
    })
}

private removeLike() {
    
    viewModel.removeLikeLocally()
    apiService.removeLike.enqueue({ response -> 

        viewModel.count = response.count
    }, { failure ->
        
        showError("Ops an error occurred")
        viewModel.addLikeLocally()
    })
}