protected override void OnInitialize() { base.OnInitialize(); Bus.Listen <string>("db") .Where(m => m == "Reload") .Subscribe(_ => CatalogOffers?.Clear(), CloseCancellation.Token); Offers.Select(v => { v = v ?? new List <Offer>(); if (IsFilterByCatalogName) { return(v.GroupBy(g => g.GroupName) .Select(g => new object[] { new GroupHeader(g.Key) }.Concat(g)) .SelectMany(o => o) .ToList()); } else { return(v.Cast <object>().ToList()); } }) .Subscribe(DisplayItems); CurrentDisplayItem.OfType <Offer>().Subscribe(CurrentOffer); CurrentOffer.Subscribe(CurrentDisplayItem); //.Skip(1) - пропускаем начальные значения CurrentRegion.Cast <Object>().Skip(1) .Merge(CurrentFilter.Skip(1)) .Merge(CurrentProducer.Skip(1)) .Merge(HideJunk.Select(v => (object)v).Skip(1)) .Subscribe(_ => Filter()); DbReloadToken.SelectMany(_ => Env.RxQuery(s => { if (IsFilterByCatalogName) { var catalogs = s.Query <Catalog>() .Fetch(c => c.Name) .Where(c => c.Name == filterCatalogName).ToArray(); var ids = catalogs.Select(c => c.Id).ToArray(); var result = s.Query <Offer>() .Where(o => ids.Contains(o.CatalogId)) .Fetch(o => o.Price) .ToList(); result.Each(o => o.GroupName = catalogs.Where(c => c.Id == o.CatalogId) .Select(c => c.FullName) .FirstOrDefault()); return(result); } else { var catalogId = filterCatalog.Id; return(s.Query <Offer>().Where(o => o.CatalogId == catalogId) .Fetch(o => o.Price) .ToList()); } })).CatchSubscribe(x => { CatalogOffers = x; UpdateFilters(); Filter(false); UpdateOffers(Offers.Value); if (x.Count == 0) { Manager.Warning("Нет предложений"); TryClose(); } }, CloseCancellation); UpdateMaxProducers(); }