public ActivityService(IActivityAccessor acc, IUserAccessor uAcc, IUserBadgeAccessor ubAcc, IUserGoalAccessor ugAcc, IBadgeAccessor bAcc, IGoalAccessor gAcc, IActivityForest forest, IActivityReportAccessor arAcc)
{
_forest = forest;
_acc = acc;
_arAcc = arAcc;
_uAcc = uAcc;
_ubAcc = ubAcc;
_ugAcc = ugAcc;
_bAcc = bAcc;
_gAcc = gAcc;
}
public void BuildForest(IEnumerable <Activity> activities)
{
var data = activities.Select(a => new Tuple <Activity, Activity>(a, a));
Converter <Activity, FSharpOption <ActivityType> > labelConverter = a => new FSharpOption <ActivityType>(a.Type);
var label = new Tuple <String, Charon.Featurization.Feature <Activity> >("Type", Charon.Featurization.Categorical <Activity, ActivityType>((FSharpFunc <Activity, FSharpOption <ActivityType> > .FromConverter(labelConverter))));
Converter <Activity, FSharpOption <double> > durConv = a => new FSharpOption <double>(a.Duration);
var dur = new Tuple <String, Charon.Featurization.Feature <Activity> >("Duration", Charon.Featurization.Numerical <Activity, double>((FSharpFunc <Activity, FSharpOption <double> > .FromConverter(durConv))));
Converter <Activity, FSharpOption <double> > disConv = a => new FSharpOption <double>(a.Distance);
var dis = new Tuple <String, Charon.Featurization.Feature <Activity> >("Distance", Charon.Featurization.Numerical <Activity, double>((FSharpFunc <Activity, FSharpOption <double> > .FromConverter(disConv))));
Converter <Activity, FSharpOption <long> > stepConv = a => new FSharpOption <long>(a.Steps);
var step = new Tuple <String, Charon.Featurization.Feature <Activity> >("Steps", Charon.Featurization.Numerical <Activity, long>((FSharpFunc <Activity, FSharpOption <long> > .FromConverter(stepConv))));
var features = FSharpList <Tuple <String, Charon.Featurization.Feature <Activity> > > .Cons(step,
FSharpList <Tuple <String, Charon.Featurization.Feature <Activity> > > .Cons(dis,
FSharpList <Tuple <String, Charon.Featurization.Feature <Activity> > > .Cons(dur,
FSharpList <Tuple <String, Charon.Featurization.Feature <Activity> > > .Empty))); // equivalent to let features = [step; dis; dur] :(
var forest = Charon.Learning.forest <Activity, Activity>(data, label, features, Charon.Learning.DefaultSettings);
_forest = new CharonActivityForestAdapter(forest);
}
public EntityUnitOfWork(ApplicationDbContext db, IActivityForest forest)
{
_forest = forest;
this.db = db;
}
