PagedList.BoundaryCallback with coroutines

TestBoundaryCallback.kt

class TestBoundaryCallback(
    private val pageSize: Int,
    private val dataSource: BackendDataSource,
    private val database : AppDatabase
) : PagedList.BoundaryCallback<?>(){

    var networkState = MutableLiveData<Int>()

    private var isRequestInProgress = false

    override fun onZeroItemsLoaded() {
        loadSomething()
    }

    override fun onItemAtEndLoaded(itemAtEnd: Pack) {
        loadSomething()
    }

    fun reload() {
        loadSomething()
    }

    private fun loadSomething() {
        if (isRequestInProgress) return
        isRequestInProgress = true
        GlobalScope.launch(Dispatchers.IO) {
            //here code to load it and save to database
            //val result = dataSource.load(pageSize)
            //database.somethingDao().insert(result.data)
            isRequestInProgress = false
        }

    }

}