// 'Tweaks' are temporary until accepted - after which they become and Adjustment
public void AcceptTweaks()
{
if (this.PersistedAdjustment != null)
{
this.PersistedAdjustment.SizeId = this.GetSizeId();
}
else
{
LocalAdjustment adj = new LocalAdjustment()
{
ProfileId = App.VM.SelectedProfile.Id,
Brand = this.Brand,
Conversion = this.Conversion,
Gender = this.Gender,
SizeId = this.GetSizeId(),
};
App.Cache.Adjustments.Add(adj);
this.PersistedAdjustment = adj;
}
// Send feedback if explicitly allowed
if (App.VM.AllowFeedBack == true)
{
FeedbackAdjustment feedbackAdj = new FeedbackAdjustment()
{
b = this.Brand,
c = this.Conversion,
f = this.BestFitInd,
g = this.Gender,
i = App.VM.AppGuid,
s = this.GetSizeId(),
t = ModelHelpers.GetUnixTime(),
v = AppConstants.APP_VERSION,
};
App.FeedbackAgent.QueueFeedback(feedbackAdj);
}
// Prune out adjustements that don't do anything
if (this.GetRelativeIndAdjustment() == 0)
{
App.Cache.Adjustments.Remove(this.PersistedAdjustment);
this.PersistedAdjustment = null;
}
App.Cache.SaveAdjustments();
}
public void FindBestFit(Dictionary <MeasurementId, double> measuredVals)
{
// Find index of the closest fit which all values are if any size is too small then go for the next size up
int? bestInd = null;
double bestChiSq = Double.MaxValue;
int nSizes = this.SizeIds.Count;
for (int i = 0; i < nSizes; i++)
{
List <double> vals = new List <double>();
foreach (MeasurementId mID in measuredVals.Keys)
{
vals.Add((this.Measurements[mID][i] != -1) ? (double)this.Measurements[mID][i] - measuredVals[mID] : 0.0);
}
//if (vals.Any(x => x < 0)) continue;
vals = vals.Where(x => x != -1).ToList();
double chiSq = vals.Sum(x => x * x);
if (chiSq < bestChiSq)
{
bestInd = i;
bestChiSq = chiSq;
}
}
// Take care of case where all sizes were too small. Set to one above the indexes of the SizeIds
this._bestFitInd = (bestInd == null) ?
this.SizeIds.Count : (int)bestInd;
// If there is an adjustment, also load this
LocalAdjustment adj = App.Cache.Adjustments.FirstOrDefault(a =>
a.Conversion == this.Conversion &&
a.ProfileId == App.VM.SelectedProfile.Id &&
a.Gender == this.Gender &&
a.Brand == this.Brand
);
this.PersistedAdjustment = adj;
this._relativeIndAdjustment = this.GetRelativeIndAdjustment();
}
