queryLocations static method

Implementation

static Future<List<Location>> queryLocations(LocationQuery query) async {
  // Pull only what is needed based on limit/offset to reduce memory use
  final limit = query.limit;
  final offset = query.offset;
  final fetchLimit = limit != null ? limit + offset : null;

  final fetched = await getLocations(limit: fetchLimit);
  final sliced = offset >= fetched.length
      ? <Location>[]
      : (fetchLimit == null
          ? fetched.sublist(offset)
          : fetched.sublist(offset, offset + (limit ?? 0)));

  final adjustedQuery = LocationQuery(
    from: query.from,
    to: query.to,
    minAccuracy: query.minAccuracy,
    maxAccuracy: query.maxAccuracy,
    isMoving: query.isMoving,
    bounds: query.bounds,
    sortOrder: query.sortOrder,
    offset: 0,
    limit: null,
  );

  return adjustedQuery.apply(sliced);
}