Fetch data with an observed location and a timeout

SomeViewModel.kt

class SomeViewModel(private val locationRepository: LocationRepository) : ViewModel() {
  
    // ...   
  
    private suspend fun fetchFromRemote() {

        // Initialize some variables:
        var gotObservedLocation = false // Did we get an observed location?
        var isTimeout = false // Will be set to true once the timeout is reached
        var timeoutMs = 500L // Timeout in ms

        // Observe the lastLocation
        locationRepository.lastLocation.observeOnce {
            gotObservedLocation = true
            if (!isTimeout) {
                // Only call fetchFromRemoteWithLocation(location) if we haven't run into a timeout yet
                Timber.d("fetchFromRemote - observeOnce got $it")
                runBlocking {
                    fetchFromRemoteWithLocation(it)
                }
            }
        }
        // Now, do the delay
        delay(timeoutMs)

        // OK... delay reached
        isTimeout = true

        if (!gotObservedLocation) {
            // We didn't get an observed location before, so let's use the latest value (might be null)
            Timber.d("fetchFromRemote timeout - got no observed location")
            val currentLocation = locationRepository.lastLocation.value
            fetchFromRemoteWithLocation(currentLocation)
        } else {
            // We already called fetchFeedHomeFromRemote(location) in the observer, nothing left to do
            Timber.d("fetchFromRemote timeout - got observed location before timeout")
        }
    }

    /**
     * This is the function that actually fetches the data with a given location
     * @param currentLocation the location to be sent with the API request - optional
     */
    private suspend fun fetchFromRemoteWithLocation(currentLocation: Location?) {
        // Call some method to fetch data from the repository/API/...
    }
    
    // ...   
}