public void CopyFrom(RelativeRating original)
{
base.CopyFrom(original);
this.RawScoreScale = original.RawScoreScale;
this.BetterRating.CopyFrom(original.BetterRating);
this.WorseRating.CopyFrom(original.WorseRating);
}
public override Rating MakeCopy()
{
RelativeRating copy = new RelativeRating();
copy.CopyFrom(this);
return(copy);
}
// creates the rating to assign to the given Participation
public Rating GetRelativeRating(Engine engine, Participation participation)
{
// abort if null input
double?maybeScale = this.GetRatio();
if (maybeScale == null)
{
return(engine.MakeEstimatedRating(participation));
}
double scale = maybeScale.Value;
if (this.latestParticipation == null)
{
return(null);
}
RelativeRating rating = engine.MakeRelativeRating(participation.ActivityDescriptor, participation.StartDate, scale, this.latestParticipation);
return(rating);
}
public void AddParticipation(Participation newParticipation)
{
if (!this.updatedAfterInheritances)
{
this.engine.FullUpdate();
this.updatedAfterInheritances = true;
}
RelativeRating newRelativeRating = newParticipation.Rating as RelativeRating;
if (newRelativeRating != null)
{
RelativeRating newRating = this.AddRating(newRelativeRating);
newParticipation.Rating = newRating;
}
this.PreviewParticipation(newParticipation);
this.engine.PutParticipationInMemory(newParticipation);
this.PostParticipation(newParticipation);
}
public override RelativeRating ProcessRating(RelativeRating newRating)
{
return(newRating);
}
public RelativeRating AddRating(RelativeRating newRating)
{
this.ProcessRating(newRating.FirstRating);
this.ProcessRating(newRating.SecondRating);
return(this.ProcessRating(newRating));
}
public virtual RelativeRating ProcessRating(RelativeRating newRating)
{
this.ProcessRating(newRating.FirstRating);
this.ProcessRating(newRating.SecondRating);
return(newRating);
}
public override RelativeRating ProcessRating(RelativeRating newRating)
{
if (!this.recomputeRatings)
{
return(newRating);
}
System.Diagnostics.Debug.WriteLine("Adding rating with date " + ((DateTime)newRating.FirstRating.Date).ToString());
AbsoluteRating otherRating = newRating.FirstRating;
AbsoluteRating thisRating = newRating.SecondRating;
if (newRating.Source != null)
{
Participation participation = newRating.Source.ConvertedAsParticipation;
RelativeRating rawRating = participation.Rating as RelativeRating;
if (rawRating.BetterRating.Date == null && rawRating.WorseRating.Date != null)
{
// This one is BetterRating
thisRating = newRating.BetterRating;
otherRating = newRating.WorseRating;
}
else
{
// This one is WorseRating
thisRating = newRating.WorseRating;
otherRating = newRating.BetterRating;
}
}
if (newRating.RawScoreScale == null)
{
// The relative rating simply said "activity X is better than Y"
// We might as well assign the same scale that the previous algorithm had computed
double scale = thisRating.Score / otherRating.Score;
newRating.RawScoreScale = scale;
}
Participation otherParticipation = null;
if (otherRating.Source != null)
{
otherParticipation = otherRating.Source.ConvertedAsParticipation;
}
Participation thisParticipation = null;
if (thisRating.Source != null)
{
thisParticipation = thisRating.Source.ConvertedAsParticipation;
}
if (otherParticipation != null && thisParticipation != null)
{
RelativeRating modifiedRating = this.engine.MakeRelativeRating(thisParticipation.ActivityDescriptor, thisParticipation.StartDate, newRating.RawScoreScale.Value, otherParticipation);
if (modifiedRating.BetterRating.ActivityDescriptor != null)
{
if (!modifiedRating.BetterRating.ActivityDescriptor.CanMatch(newRating.BetterRating.ActivityDescriptor))
{
throw new Exception("Internal error: RatingRenormalizer swapped ratings while rewriting them");
}
}
if (modifiedRating.WorseRating.ActivityDescriptor != null)
{
if (!modifiedRating.WorseRating.ActivityDescriptor.CanMatch(newRating.WorseRating.ActivityDescriptor))
{
throw new Exception("Internal error: RatingRenormalizer swapped ratings while rewriting them");
}
}
if (modifiedRating.BetterRating.ActivityDescriptor == null && modifiedRating.WorseRating.ActivityDescriptor == null)
{
throw new Exception("Internal error: RatingRenormalizer created rating that does not specify an activity");
}
return(modifiedRating);
}
return(newRating);
}
