AuctionsCreationViewModel.kt

class AuctionsCreationViewModel : ViewModel(), CoroutineScope {

    private var auction: MutableLiveData<Auction> = MutableLiveData()
    private var auctionCreationRepository = AuctionCreationRepository()
    private var onClickSaveTrigger = SingleLiveEvent<Unit>()

    private val job = Job()
    override val coroutineContext: CoroutineContext
        get() = job + Dispatchers.Main

    fun getAuction() = auction

    fun queryAuctionById(auctionId: Long) {
        val auctionQueried = auctionCreationRepository.getAuctionById(auctionId)
        //other logic regarding auction object
        auction.value = auctionQueried
    }

    fun saveAuction(auction: Auction) {
        launch(Dispatchers.Main) {
            withContext(Dispatchers.IO) { auctionCreationRepository.save(mutableListOf(auction)) }
        }
    }

    override fun onCleared() {
        job.cancel()
    }

    fun getOnClickSaveTrigger(): SingleLiveEvent<Unit> {
        return onClickSaveTrigger
    }

    fun onClickSaveEvent() {
        onClickSaveTrigger.call()
    }
}