public ArticleSubFamilyPricePartnerFamiliesResponse Post(ArticleSubFamilyPricePartnerFamilies request)
        {
            if (request.ArticleSubFamilyPricePartnerFamily.Id > 0)
              {
            Bm2s.Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily item = Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies[request.ArticleSubFamilyPricePartnerFamily.Id];
            item.ArticleSubFamilyId = request.ArticleSubFamilyPricePartnerFamily.ArticleSubFamily.Id;
            item.EndingDate = request.ArticleSubFamilyPricePartnerFamily.EndingDate;
            item.Multiplier = Convert.ToDouble(request.ArticleSubFamilyPricePartnerFamily.Multiplier);
            item.PartnerFamilyId = request.ArticleSubFamilyPricePartnerFamily.PartnerFamily.Id;
            item.Price = Convert.ToDouble(request.ArticleSubFamilyPricePartnerFamily.Price);
            item.StartingDate = request.ArticleSubFamilyPricePartnerFamily.StartingDate;
            Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies[request.ArticleSubFamilyPricePartnerFamily.Id] = item;
              }
              else
              {
            Bm2s.Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily item = new Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily()
            {
              ArticleSubFamilyId = request.ArticleSubFamilyPricePartnerFamily.ArticleSubFamily.Id,
              EndingDate = request.ArticleSubFamilyPricePartnerFamily.EndingDate,
              Multiplier = Convert.ToDouble(request.ArticleSubFamilyPricePartnerFamily.Multiplier),
              PartnerFamilyId = request.ArticleSubFamilyPricePartnerFamily.PartnerFamily.Id,
              Price = Convert.ToDouble(request.ArticleSubFamilyPricePartnerFamily.Price),
              StartingDate = request.ArticleSubFamilyPricePartnerFamily.StartingDate
            };

            Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies.Add(item);
            request.ArticleSubFamilyPricePartnerFamily.Id = item.Id;
              }

              ArticleSubFamilyPricePartnerFamiliesResponse response = new ArticleSubFamilyPricePartnerFamiliesResponse();
              response.ArticleSubFamilyPricePartnerFamilies.Add(request.ArticleSubFamilyPricePartnerFamily);
              return response;
        }
        public ArticleSubFamilyPricePartnerFamiliesResponse Delete(ArticleSubFamilyPricePartnerFamilies request)
        {
            Bm2s.Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily item = Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies[request.ArticleSubFamilyPricePartnerFamily.Id];
              item.EndingDate = DateTime.Now;
              Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies[item.Id] = item;

              ArticleSubFamilyPricePartnerFamiliesResponse response = new ArticleSubFamilyPricePartnerFamiliesResponse();
              response.ArticleSubFamilyPricePartnerFamilies.Add(request.ArticleSubFamilyPricePartnerFamily);
              return response;
        }
        public ArticleSubFamilyPricePartnerFamiliesResponse Get(ArticleSubFamilyPricePartnerFamilies request)
        {
            ArticleSubFamilyPricePartnerFamiliesResponse response = new ArticleSubFamilyPricePartnerFamiliesResponse();
              List<Bm2s.Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily> items = new List<Data.Common.BLL.Article.ArticleSubFamilyPricePartnerFamily>();
              if (!request.Ids.Any())
              {
            items.AddRange(Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies.Where(item =>
             (request.PartnerFamilyId == 0 || item.PartnerFamilyId == request.PartnerFamilyId) &&
             (request.ArticleSubFamilyId == 0 || item.ArticleSubFamilyId == request.ArticleSubFamilyId) &&
             (!request.Date.HasValue || (request.Date >= item.StartingDate && (!item.EndingDate.HasValue || request.Date < item.EndingDate.Value)))
             ));
              }
              else
              {
            items.AddRange(Datas.Instance.DataStorage.ArticleSubFamilyPricePartnerFamilies.Where(item => request.Ids.Contains(item.Id)));
              }

              var collection = (from item in items
                        select new Bm2s.Poco.Common.Article.ArticleSubFamilyPricePartnerFamily()
                        {
                          ArticleSubFamily = new ArticleSubFamiliesService().Get(new ArticleSubFamilies() { Ids = new List<int>() { item.ArticleSubFamilyId } }).ArticleSubFamilies.FirstOrDefault(),
                          EndingDate = item.EndingDate,
                          Id = item.Id,
                          Multiplier = Convert.ToDecimal(item.Multiplier),
                          PartnerFamily = new PartnerFamiliesService().Get(new PartnerFamilies() { Ids = new List<int>() { item.PartnerFamilyId } }).PartnerFamilies.FirstOrDefault(),
                          Price = Convert.ToDecimal(item.Price),
                          StartingDate = item.StartingDate
                        }).AsQueryable().OrderBy(request.Order, !request.DescendingOrder);

              response.ItemsCount = collection.Count();
              if (request.PageSize > 0)
              {
            response.ArticleSubFamilyPricePartnerFamilies.AddRange(collection.Skip((request.CurrentPage - 1) * request.PageSize).Take(request.PageSize));
              }
              else
              {
            response.ArticleSubFamilyPricePartnerFamilies.AddRange(collection);
              }

              try
              {
            response.PagesCount = collection.Count() / response.ArticleSubFamilyPricePartnerFamilies.Count + (collection.Count() % response.ArticleSubFamilyPricePartnerFamilies.Count > 0 ? 1 : 0);
              }
              catch
              {
            response.PagesCount = 1;
              }

              return response;
        }