private static GetProductsByCategoryRequest GenerateProductSearchRequestFrom(JsonProductSearchRequest jsonProductSearchRequest)
{
GetProductsByCategoryRequest productSearchRequest = new GetProductsByCategoryRequest();
productSearchRequest.NumberOfResultsPerPage = int.Parse(ApplicationSettingsFactory.GetApplicationSettings().NumberOfResultsPerPage);
productSearchRequest.Index = jsonProductSearchRequest.Index;
productSearchRequest.CategoryId = jsonProductSearchRequest.CategoryId;
productSearchRequest.SortBy = jsonProductSearchRequest.SortBy;
//List<RefinementGroup> refinementGroups = new List<RefinementGroup>();
//RefinementGroup refinementGroup;
if (jsonProductSearchRequest.RefinementGroups != null)
{
foreach (JsonRefinementGroup jsonRefinementGroup in
jsonProductSearchRequest.RefinementGroups)
{
switch ((RefinementGroupings)jsonRefinementGroup.GroupId)
{
case RefinementGroupings.brand:
productSearchRequest.BrandIds =
jsonRefinementGroup.SelectedRefinements;
break;
case RefinementGroupings.color:
productSearchRequest.ColorIds =
jsonRefinementGroup.SelectedRefinements;
break;
case RefinementGroupings.size:
productSearchRequest.SizeIds =
jsonRefinementGroup.SelectedRefinements;
break;
default:
break;
}
}
}
return productSearchRequest;
}
private static GetProductsByCategoryRequest GenerateInitialProductSearchRequestFrom(int categoryId)
{
GetProductsByCategoryRequest productSearchRequest = new GetProductsByCategoryRequest();
productSearchRequest.NumberOfResultsPerPage = int.Parse(ApplicationSettingsFactory.GetApplicationSettings().NumberOfResultsPerPage);
productSearchRequest.CategoryId = categoryId;
productSearchRequest.Index = 1;
productSearchRequest.SortBy = ProductsSortBy.PriceHighToLow;
return productSearchRequest;
}
public GetProductsByCategoryResponse GetProductsByCategory(GetProductsByCategoryRequest request)
{
GetProductsByCategoryResponse response;
Expression<Func<Product, bool>> query = ProductSearchRequestQueryGenerator.CreateQuery(request);
IEnumerable<Product> productsMatchingRefinement = GetAllProductsMatchingQueryAndSort(request, query);
response = productsMatchingRefinement.CreateProductSearchResultFrom(request);
response.SelectedCategoryName = _categoryRepository.GetById(request.CategoryId).Name;
return response;
}
public static GetProductsByCategoryResponse CreateProductSearchResultFrom(
this IEnumerable<Product> productsMatchingRefinement,
GetProductsByCategoryRequest request)
{
GetProductsByCategoryResponse productSearchResultView = new GetProductsByCategoryResponse();
IEnumerable<ProductTitle> productsFound = productsMatchingRefinement.Select(p => p.ProductTitle).Distinct();
productSearchResultView.SelectedCategory = request.CategoryId;
productSearchResultView.NumberOfTitlesFound = productsFound.Count();
productSearchResultView.TotalNumberOfPages = NoOfResultPagesGiven(request.NumberOfResultsPerPage, productSearchResultView.NumberOfTitlesFound);
productSearchResultView.RefinementGroups = GenerateAvailableProductRefinementsFrom(productsFound);
productSearchResultView.Products = CropProductListToSatisfyGivenIndex(request.Index, request.NumberOfResultsPerPage, productsFound);
return productSearchResultView;
}
private IEnumerable<Product> GetAllProductsMatchingQueryAndSort(GetProductsByCategoryRequest request, Expression<Func<Product, bool>> where)
{
IEnumerable<Product> productsMatchingRefinement = _productRepository.GetMany(where);
switch (request.SortBy)
{
case ProductsSortBy.PriceLowToHigh:
productsMatchingRefinement = productsMatchingRefinement.OrderBy(p => p.Price);
break;
case ProductsSortBy.PriceHighToLow:
productsMatchingRefinement = productsMatchingRefinement.OrderByDescending(p => p.Price);
break;
}
return productsMatchingRefinement;
}
public static Expression<Func<Product, bool>> CreateQuery(GetProductsByCategoryRequest getProductsByCategoryRequest)
{
var predicate = PredicateBuilder.Create<Product>(item => true);
predicate = x => x.ProductTitle.Category.Id == getProductsByCategoryRequest.CategoryId;
//Add Filter by BrandId
if (getProductsByCategoryRequest.BrandIds != null && getProductsByCategoryRequest.BrandIds.Count() > 0)
predicate = predicate.Or(y => getProductsByCategoryRequest.BrandIds.Contains(y.ProductTitle.Brand.Id));
//Add Filter by ColorId
if (getProductsByCategoryRequest.ColorIds != null && getProductsByCategoryRequest.ColorIds.Count() > 0)
predicate = predicate.And(c => getProductsByCategoryRequest.ColorIds.Contains(c.ProductTitle.Colour.Id));
//Add Filter by SizeIds
if (getProductsByCategoryRequest.SizeIds != null && getProductsByCategoryRequest.SizeIds.Count() > 0)
predicate = predicate.And(s => getProductsByCategoryRequest.SizeIds.Contains(s.Size.Id));
return predicate;
}
