private IEnumerable <(PickupType Type, int Points)> CalculatePointsForObjective(DailyObjective objective)
{
var objectsInDropZone = _dropZone.GetObjectsInDropZone();
var allPickupClassifications = objectsInDropZone
.SelectMany(o => o.Classifications);
var pointsByType = allPickupClassifications
.GroupBy(pc => pc.Type, pc => pc.Points)
.Select(g => new { Type = g.Key, Points = g.Sum() });
var totalPointsByType = pointsByType.Join(objective.PickupTypesWithMultiplier, arg => arg.Type, arg => arg.PickupType,
(p, d) => (p.Type, p.Points * d.Multiplier));
return(totalPointsByType);
}