public ProductsWithTypesAndBrandsSpecification(ProductSpecParamsModel productParamsModel)
{
Criteria = BaseCriteria(productParamsModel);
IncludeReferenceSpec();
ApplyPaging(productParamsModel.PageSize * (productParamsModel.PageIndex - 1), productParamsModel.PageSize);
var sortSortProperty = productParamsModel.Sort;
switch (sortSortProperty)
{
case SortBy.PriceAsc:
AddOrderBy(p => p.Price);
break;
case SortBy.PriceDesc:
AddOrderByDescending(p => p.Price);
break;
case SortBy.NameAsc:
AddOrderBy(product => product.Name ?? string.Empty);
break;
case SortBy.NameDesc:
AddOrderByDescending(product => product.Name ?? string.Empty);
break;
default:
throw new ArgumentOutOfRangeException(nameof(sortSortProperty), sortSortProperty, null);
}
}
private static Expression <Func <Product, bool> > BaseCriteria(ProductSpecParamsModel productParamsModel)
{
return(product =>
product.Name != null && (string.IsNullOrEmpty(productParamsModel.Search) ||
product.Name.ToLower().Contains(productParamsModel.Search)) &&
(!productParamsModel.BrandId.HasValue || product.ProductBrandId == productParamsModel.BrandId) &&
(!productParamsModel.TypeId.HasValue || product.ProductTypeId == productParamsModel.TypeId));
}
public async Task GetProductsAsync_ShouldReturnAListOfProduct()
{
// Arrange
var paramsModel = new ProductSpecParamsModel();
// Act
var products = await _sut.GetProducts(paramsModel);
// Assert
var actionResult = Assert.IsType <ActionResult <Pagination <ProductToReturnDto> > >(products);
var productList =
Assert.IsType <Pagination <ProductToReturnDto> >(((OkObjectResult)actionResult.Result).Value);
Assert.Equal(_fixture.SeedEntries, productList.Count);
}
public async Task <ActionResult <Pagination <ProductToReturnDto> > > GetProducts(
[FromQuery] ProductSpecParamsModel productParamsModel)
{
var spec = new ProductsWithTypesAndBrandsSpecification(productParamsModel);
var countSpec = new ProductWithFiltersForCountSpecification(productParamsModel);
var totalItems = await _genericRepo.CountEntityAsync(countSpec);
var products = await _genericRepo.ListEntityAsync(spec);
var mappedProducts = _mapper.Map <IReadOnlyList <Product>, IReadOnlyList <ProductToReturnDto> >(products);
return(Ok(new Pagination <ProductToReturnDto>(
productParamsModel.PageIndex, productParamsModel.PageSize, totalItems, mappedProducts
)));
}
public ProductWithFiltersForCountSpecification(ProductSpecParamsModel productParamsModel)
{
Criteria = BaseCriteria(productParamsModel);
}
