public Moment BuildNextMoment(Adventure adventure, Moment priorMoment, Event @event)
{
var flags = priorMoment.Flags.Concat(@event.FlagsToSet).Except(@event.FlagsToClear).Distinct().ToArray();
var newMoment = new Moment {
Adventure = adventure,
EventName = @event.Name,
StepsConsumed = @event.StepsConsumed,
Ordinal = priorMoment.Ordinal + 1
};
this.DbContext.Moments.Add(newMoment);
foreach (var flag in flags) {
var momentFlag = new MomentFlag {
Flag = flag
};
this.DbContext.MomentFlags.Add(momentFlag);
newMoment.MomentFlags.Add(momentFlag);
};
adventure.Moments.Add(newMoment);
this.DbContext.SaveChanges();
adventure.CurrentMomentId = newMoment.Id;
return newMoment;
}
private static bool EventCanExecute(Event @event, FlagDictionary flagDictionary)
{
return (@event.Repeatable || !flagDictionary[@event.Name]) && @event.CanExecute(flagDictionary);
}