public PagedList <Category> GetCategories(CategoryParametersDto categoryParameters)
{
if (categoryParameters == null)
{
throw new ArgumentNullException(nameof(categoryParameters));
}
var collection = _context.Categories as IQueryable <Category>;
if (!string.IsNullOrWhiteSpace(categoryParameters.CategoryName))
{
var categoryName = categoryParameters.CategoryName.Trim();
collection = collection.Where(c => c.CategoryName == categoryName);
}
var sieveModel = new SieveModel
{
Sorts = categoryParameters.SortOrder
};
collection = _sieveProcessor.Apply(sieveModel, collection);
return(PagedList <Category> .Create(collection,
categoryParameters.PageNumber,
categoryParameters.PageSize));
}
public ActionResult <IEnumerable <CategoryDto> > GetCategories([FromQuery] CategoryParametersDto categoryParametersDto)
{
var categoriesFromRepo = _categoryRepository.GetCategories(categoryParametersDto);
var paginationMetadata = new
{
totalCount = categoriesFromRepo.TotalCount,
pageSize = categoriesFromRepo.PageSize,
currentPage = categoriesFromRepo.CurrentPage,
totalPages = categoriesFromRepo.TotalPages,
previousPageLink = categoriesFromRepo.HasPrevious,
nextPageLink = categoriesFromRepo.HasNext
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var categoriesDto = _mapper.Map <IEnumerable <CategoryDto> >(categoriesFromRepo);
return(Ok(categoriesDto));
}
