gastsail

class EventsImpl(private val eventsRepo:IEventsRepo): IEvent {
    
    override suspend fun getEvents(): Resource<MutableList<Event>> = eventsRepo.getEventsDB()
}

gastsail

interface IEvent {
    suspend fun getEvents(): Resource<MutableList<Event>>
}

gastsail

sealed class Resource<out T> {
    class Loading<out T> : Resource<T>()
    data class Success<out T>(val data: T) : Resource<T>()
    data class Failure<out T>(val throwable: Throwable) : Resource<T>()
}

gastsail

/**
 * Awaits for completion of the task without blocking a thread.
 *
 * This suspending function is cancellable.
 * If the [Job] of the current coroutine is cancelled or completed while this suspending function is waiting, this function
 * stops waiting for the completion stage and immediately resumes with [CancellationException].
 */
public suspend fun <T> Task<T>.await(): T {
    // fast path
    if (isComplete) {

gastsail

implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.1.1'
implementation 'com.google.firebase:firebase-firestore:21.3.1'
implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0-rc03"
implementation "androidx.lifecycle:lifecycle-extensions:2.1.0" 

gastsail

suspend fun getEventsDB(): Resource<MutableList<Event>>{
val myList = mutableListOf<Event>()
val eventList = FirebaseFirestore.getInstance().collection("events").get().await()
// we can do wathever we want with the events, for example get them all
  for (document in eventList) {
            val photoUrl = document.getString("photoUrl")
            val eventName = document.getString("name")
            val time = document.getString("time")
            myList.add(Event(photoUrl!!, eventName!!, time!!))
        }             

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fun getEventsDB(): LiveData<MutableList<Event>>{
val data = MutableLiveData<Mutablelist<Event>>()
val myList = mutableListOf<Event>()
FirebaseFirestore.getInstance()
            .collection("events")
            .get().addOnSuccessListener {
                // Get results
               FirebaseFirestore.getInstance().collection(id).get().addOnSuccessListener {
               ...
               }.addOnFailureListener{

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viewModel.fetchEventData().observe(this, Observer {
 // Handle the UI with the results
}

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    fun fetchEventData():LiveData<MutableList<Event>>{
        val mutableData = MutableLiveData<MutableList<Event>>()
        repo.getEventsDB().observeForever { eventList ->
            mutableData.value = eventList
        }

        return mutableData
    }

gastsail

fun getEventsDB(): LiveData<MutableList<Event>>{
val data = MutableLiveData<Mutablelist<Event>>()
val myList = mutableListOf<Event>()
FirebaseFirestore.getInstance()
            .collection("events")
            .get().addOnSuccessListener {
                // Get results
                myList.add(results)
                data.value = myList
            }.addOnFailureListener{