private void AddCatalogItemsStock(EntityModel context)
        {
            var preconfiguredStock = PreconfiguredData.GetPreconfiguredCatalogItemsStock();

            foreach (var s in preconfiguredStock)
            {
                context.CatalogItemsStocks.Add(s);
            }

            context.SaveChanges();
        }
        private void AddCatalogItems(EntityModel context)
        {
            var preconfiguredItems = PreconfiguredData.GetPreconfiguredCatalogItems();

            foreach (var item in preconfiguredItems)
            {
                context.CatalogItems.Add(item);
            }

            context.SaveChanges();
        }
        private void AddCatalogBrands(EntityModel context)
        {
            var preconfiguredBrands = PreconfiguredData.GetPreconfiguredCatalogBrands();

            foreach (var brand in preconfiguredBrands)
            {
                context.CatalogBrands.Add(brand);
            }

            context.SaveChanges();
        }
        private void AddDiscountItems(EntityModel context)
        {
            var preconfiguredDiscounts = PreconfiguredData.GetPreconfiguredDiscountItems();

            foreach (var discount in preconfiguredDiscounts)
            {
                context.DiscountItems.Add(discount);
            }

            context.SaveChanges();
        }
        private void AddCatalogTypes(EntityModel context)
        {
            var preconfiguredTypes = PreconfiguredData.GetPreconfiguredCatalogTypes();

            foreach (var type in preconfiguredTypes)
            {
                context.CatalogTypes.Add(type);
            }

            context.SaveChanges();
        }