private void ParseTrainingRawDatas(string html)
 {
     var trainingIds = new FunbeatCalendarParser().ParseTrainingIdsFromCalendarSource(html);
     var newTrainingRawDatas = trainingIds
         .Where(id => RawTrainings.All(existing => existing.Id != id))
         .Select(id => new RawTraining { Id = id })
         .ToList();
     newTrainingRawDatas.ForEach(RawTrainings.Add);
 }
 private void ParseDayNotes(string html)
 {
     var dayNotes = new FunbeatCalendarParser().ParseDayNotesFromCalendarSource(html);
     var newDayNotes = dayNotes.Where(dn => !DayNotes.Contains(dn)).ToList();
     newDayNotes.ForEach(DayNotes.Add);
 }