SpotiFLAC-Mobile/lib/screens/queue_library_refresh_policy.dart

import 'package:spotiflac_android/services/library_database.dart';

bool queueLibraryCountsHaveContent(QueueLibraryCounts counts) =>
    counts.allTrackCount > 0 ||
    counts.albumCount > 0 ||
    counts.singleTrackCount > 0;

QueueLibraryCounts resolveQueueLibraryCountsSnapshot({
  required QueueLibraryCounts current,
  QueueLibraryCounts? cached,
  QueueLibraryCounts? activeDownloadFallback,
}) {
  if (queueLibraryCountsHaveContent(current) ||
      activeDownloadFallback == null) {
    return current;
  }
  if (cached != null && queueLibraryCountsHaveContent(cached)) {
    return cached;
  }
  return activeDownloadFallback;
}

bool shouldRetainQueueLibraryPageSnapshot({
  required bool currentIsEmpty,
  required bool cachedHasContent,
  required bool activeDownloadFallbackAvailable,
}) => currentIsEmpty && cachedHasContent && activeDownloadFallbackAvailable;