public PagedList <ProductDTO> GetProductsSegment(ProductPagingParams pagingParams)
{
IQueryable <Product> products = uow.ProductRepository.GetAllItems();
products = SortProducts(products, pagingParams);
IEnumerable <ProductDTO> productsDTO = mapper.Map <IEnumerable <ProductDTO> >(products.AsEnumerable());
return(pagingService.ToPagedList(productsDTO,
pagingParams.PageNumber, pagingParams.PageSize));
}
//GET: api/Product
public IActionResult GetProducts([FromQuery] ProductPagingParams pagingParams)
{
var products = productService.GetProductsSegment(pagingParams);
var metadata = new
{
products.TotalCount,
products.PageSize,
products.PageNumber,
products.TotalPages,
products.HasNext,
products.HasPrevious,
pagingParams.SortOrder
};
Response.Headers.Add("Pagination", JsonConvert.SerializeObject(metadata));
return(Ok(products));
}
public IQueryable <Product> SortProducts(IQueryable <Product> products, ProductPagingParams pagingParams)
{
switch (pagingParams.SortOrder)
{
case SortProductState.NameDesc:
products = products.OrderByDescending(s => s.Name);
break;
case SortProductState.PriceAsc:
products = products.OrderBy(s => s.Price);
break;
case SortProductState.PriceDesc:
products = products.OrderByDescending(s => s.Price);
break;
default:
products = products.OrderBy(s => s.Name);
break;
}
return(products);
}
