public IActionResult Index()

in src/Modules/SimplCommerce.Module.Search/Areas/Search/Controllers/SearchController.cs [49:136]
71 lines of code
17 McCabe index (conditional complexity)

        public IActionResult Index(SearchOption searchOption)
        {
            if (string.IsNullOrWhiteSpace(searchOption.Query))
            {
                return Redirect("~/");
            }

            var brand = _brandRepository.Query().FirstOrDefault(x => x.Name == searchOption.Query && x.IsPublished);
            if (brand != null)
            {
                return Redirect(string.Format("~/{0}", brand.Slug));
            }

            var model = new SearchResult
            {
                CurrentSearchOption = searchOption,
                FilterOption = new FilterOption()
            };

            var query = _productRepository.Query().Where(x => x.Name.Contains(searchOption.Query) && x.IsPublished && x.IsVisibleIndividually);

            if (!query.Any())
            {
                model.TotalProduct = 0;
                return View(model);
            }

            AppendFilterOptionsToModel(model, query);

            if (searchOption.MinPrice.HasValue)
            {
                query = query.Where(x => x.Price >= searchOption.MinPrice.Value);
            }

            if (searchOption.MaxPrice.HasValue)
            {
                query = query.Where(x => x.Price <= searchOption.MaxPrice.Value);
            }

            if (string.Compare(model.CurrentSearchOption.Category, "all", StringComparison.OrdinalIgnoreCase) != 0)
            {
                var categories = searchOption.GetCategories().ToArray();
                if (categories.Any())
                {
                    query = query.Where(x => x.Categories.Any(c => categories.Contains(c.Category.Slug)));
                }
            }

            // EF Core bug, so we have to covert to Array
            var brands = searchOption.GetBrands().ToArray();
            if (brands.Any())
            {
                query = query.Where(x => x.BrandId.HasValue && brands.Contains(x.Brand.Slug));
            }

            model.TotalProduct = query.Count();
            var currentPageNum = searchOption.Page <= 0 ? 1 : searchOption.Page;
            var offset = (_pageSize * currentPageNum) - _pageSize;
            while (currentPageNum > 1 && offset >= model.TotalProduct)
            {
                currentPageNum--;
                offset = (_pageSize * currentPageNum) - _pageSize;
            }

            SaveSearchQuery(searchOption, model);

            query = AppySort(searchOption, query);

            var products = query
                .Include(x => x.ThumbnailImage)
                .Skip(offset)
                .Take(_pageSize)
                .Select(x => ProductThumbnail.FromProduct(x))
                .ToList();

            foreach (var product in products)
            {
                product.Name = _contentLocalizationService.GetLocalizedProperty(nameof(Product), product.Id, nameof(product.Name), product.Name);
                product.ThumbnailUrl = _mediaService.GetThumbnailUrl(product.ThumbnailImage);
                product.CalculatedProductPrice = _productPricingService.CalculateProductPrice(product);
            }

            model.Products = products;
            model.CurrentSearchOption.PageSize = _pageSize;
            model.CurrentSearchOption.Page = currentPageNum;

            return View(model);
        }