public List <Product> Products(int id, int pageNumber)
{
pageNumber = pageNumber == -1 ? 0 : pageNumber;
return(_repository.GetAll()
.Include(p => p.Brands)
.Include(p => p.Categories)
.Where(p => _productRepositories.GetCategoryIds(id).Contains(p.CategoriesId))
.Skip(pageNumber * _pageSize)
.Take(_pageSize)
.ToList());
}