Spontaneous.WebApp.Services.DefaultMenuUtility.GetRestaurantStatistic C# (CSharp) Method

        public void GetRestaurantStatistic()
        {
            log.InfoFormat("[GetRestaurantStatistic].");
            var queryCollection = Query.NE("IsDeleted", true);
            using (Restaurants restaurantsDb = new Restaurants())
            {
                MongoEntityRepositoryBase<RestaurantBasicData> basicData =
                                            new MongoEntityRepositoryBase<RestaurantBasicData>(restaurantsDb.DB);

                var queryNotNullCuisines = Query.Or(
                        Query.NE("Cuisine", BsonValue.Create(BsonNull.Value)),
                        Query.NE("Cuisines", BsonValue.Create(BsonNull.Value))
                    );  
                int notNullCuisine = basicData.FindAs(queryNotNullCuisines).Count();

                var queryNotNullCuisineWithMenu = Query.And(
                        queryNotNullCuisines,
                        Query.Exists("Menu.MenuParts,1")
                    );
                int notNullCuisineWithMenuCount = basicData.FindAs(queryNotNullCuisineWithMenu).Count();

                var queryNotNullCuisineWithNullMenu = Query.And(
                        queryNotNullCuisines,
                        Query.Size("Menu.MenuParts", 0)
                    );

                int notNullCuisineWithNullMenuCount = basicData.FindAs(queryNotNullCuisineWithNullMenu).Count();

                log.DebugFormat("[GetRestaurantStatistic] notNullCuisine={0}, notNullCuisineWithMenuCount={1}, notNullCuisineWithNullMenuCount={2}.", notNullCuisine, notNullCuisineWithMenuCount, notNullCuisineWithNullMenuCount);
            }
        }