public IEnumerable <Tariff> GetAllTariffs() { return(Prices.GetAll() .Select(p => new Tariff { Title = p.title, RoomTypeName = RoomTypes.Get(p.room_id).name, DateStart = p.date_start, DateFinish = p.date_end, IsStudent = p.is_student, OnBudget = p.on_budget, Price = p.price, DormId = p.dorm_id }).ToList()); }