public IQueryable <Product> OrderProducts(IQueryable <Product> products, ProductOrderingOption productOrderingOption)
{
var productOrderingOptionName = productOrderingOption.ProductOrderingOptionName;
IQueryable <Product> orderedProducts = products;
if (productOrderingOptionName == GlobalConstants.OrderProductByPrice)
{
orderedProducts = products
.OrderBy(x => x.Price);
}
else if (productOrderingOptionName == GlobalConstants.OrderProductByRating)
{
orderedProducts = products
.OrderBy(x => x.ProductRatings.Average(x => x.Rating));
}
else if (productOrderingOptionName == GlobalConstants.OrderProductBySales)
{
orderedProducts = products
.OrderBy(x => x.ProductSales.Count);
}
else
{
throw new Exception("Something went wrong");
}
if (productOrderingOption.IsDescendning)
{
orderedProducts = orderedProducts.Reverse();
}
return(orderedProducts);
}
public IActionResult All(int productsPage, List <ProductFilterOptionsViewModel> productFilterOptions, ProductOrderingOption productOrderingOption, string searchString)
{
//Set the default filter options if they are null or empty
if (productFilterOptions == null || productFilterOptions.Count == 0)
{
var categories = this.categoryService.GetAllCategories();
var categoriesProductFilterOptions = categories
.Select(x => new ProductFilterOptionsViewModel {
FilterName = $"{GlobalConstants.IncludeCategorySplitter}{x.Name}", FilterValue = true
});
productFilterOptions.AddRange(categoriesProductFilterOptions);
}
//Filter the products by categories
var productsFiltered = this.productService.FilterProducts(productFilterOptions);
//Filter the products by search string
if (string.IsNullOrWhiteSpace(searchString) == false)
{
productsFiltered = this.productService.FilterProducts(productsFiltered, searchString.Trim());
}
//Order the products by ordering options
if (string.IsNullOrWhiteSpace(productOrderingOption.ProductOrderingOptionName) == false)
{
productsFiltered = this.productService.OrderProducts(productsFiltered, productOrderingOption);
}
//Get the count of the filtered products and the pages for these products
var productsCount = productsFiltered.Count();
var pagesCount = (productsCount % GlobalConstants.ProductsPerPage == 0)
? (productsCount / GlobalConstants.ProductsPerPage)
: (productsCount / GlobalConstants.ProductsPerPage) + 1;
//Validate current page
if (productsPage <= 0 || productsPage > pagesCount)
{
productsPage = 1;
}
//Get the products for the current page and with the applied filters
var productsForCurrentPage = this.productService.GetProductsForPage(productsFiltered, productsPage);
//Currently for debug purposes. This removes unnecessary temp data
foreach (var key in TempData.Keys)
{
if (key == GlobalConstants.InputModelFromPOSTRequest || key == GlobalConstants.InputModelFromPOSTRequestType)
{
TempData.Remove(key);
}
}
//Create pagination model
var paginationViewModel = new PaginationViewModel
{
CurrentPage = productsPage,
CutoffNumber = GlobalConstants.ProductsPagesCutoffNumber,
NumberOfPages = pagesCount
};
//Create the view model
var allProductViewModel = new AllProductsViewModel
{
ProductViewModels = productsForCurrentPage,
PaginationViewModel = paginationViewModel,
ProductFilterOptions = productFilterOptions,
ProductOrderingOption = new ProductOrderingOption {
ProductOrderingOptionName = productOrderingOption.ProductOrderingOptionName, IsDescendning = productOrderingOption.IsDescendning
}
};
return(this.View(allProductViewModel));
}
