public class Category
    {
        public string Name { get; set; }
        public string Description { get; set; }
        public int ParentId { get; set; }
        public string Image { get; set; }
        public string Slug { get; set; }
        public int Id { get; set; }
        public ICollection<CategoryFilter> CategoryFilters { get; set; }
        public ICollection<Product> Products { get; set; }

    }
public class CategoryFilter
    {
        public int Id { get; set; }
        public int CategoryId { get; set; }
        public int FilterGroupId { get; set; }
        public Category Category { get; set; }
        public FilterGroup FilterGroup { get; set; }
    }
public class FilterGroup
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public ICollection<CategoryFilter> CategoryFilters { get; set; }
        public ICollection<Filter> Filters { get; set; } = new List<Filter>();
    }
 public class Filter
    {
        public int Id { get; set; }
        public int FilterGroupId { get; set; }
        public ProductFilter ProductFilter { get; set; }
        public string Name { get; set; }
        public Product Product { get; set; }
        public FilterGroup FilterGroup { get; set; }
    }
public class Product
    {
        public int Id { get; set; }
        public string Title { get; set; }
        public int UserId { get; set; }
        public string Slug { get; set; }
        public int CategoryId { get; set; }
        public int Price { get; set; }
        public string Currency { get; set; }
        public string Image { get; set; }
        public string Description { get; set; }
        public DateTime DateAdded { get; set; } = DateTime.Now;
        public DateTime DateModified { get; set; } = DateTime.Now;
        public Category Category { get; set; }
        public User User { get; set; }
        public ICollection<ProductFilter> ProductFilters { get; set; }
        public ICollection<FilterGroup> FiltersGroup { get; set; }
        public ICollection<Filter> Filters { get; set; }
    }
public class ProductFilter
    {
        public int Id { get; set; }
        public int ProductId { get; set; }
        public int FilterId { get; set; }
        public ICollection<Filter> Filters { get; set; } = new List<Filter>();
        public Product Product { get; set; }
    }