my response

        public async Task<IEnumerable<ProductDto>> GetProducts()
        {
            var productList = await _db.Products
                .Include(x => x.LabelProducts)
                .Include(x => x.Colours)
                .Include(x => x.Rating)
                .ToListAsync();
            return _mapper.Map<List<ProductDto>>(productList);
        }

    public class ProductDto
    {
        public int ProductId { get; set; }
        public string Name { get; set; }
        public double Price { get; set; }
        public string Description { get; set; }
        public string CategoryName { get; set; } 
        public string ImageUrl { get; set; }
        public string HoverImageUrl { get; set; }
        public ICollection<LabelProductDto> LabelProducts { get; set; }
        public RatingDto Rating { get; set; }
        public ICollection<Colour> Colours { get; set; }
    }

        [HttpGet]
        public async Task<object> Get()
        {
            try
            {
                IEnumerable<ProductDto> productDtos = await _productRepository.GetProducts();
                _response.Result = productDtos;
            }
            catch (Exception ex)
            {
                _response.IsSuccess = false;
                _response.ErrorMessages
                     = new List<string>() { ex.ToString() };
            }
            return _response;
        }

    public class ResponseDto
    {
        public bool IsSuccess { get; set; } = true;
        public object Result { get; set; }
        public string DisplayMessage { get; set; } = "";
        public List<string> ErrorMessages { get; set; }
    }

    public class ResponseDto<T>
    {
        public bool IsSuccess { get; set; } = true;
        public T Result { get; set; }
        public string DisplayMessage { get; set; } = "";
        public List<string> ErrorMessages { get; set; }
    }

      modelBuilder.Entity<Colour>()
                .HasOne(c => c.Product)
                .WithMany(p => p.Colours)
                .HasForeignKey(c => c.ProductId);

            modelBuilder.Entity<LabelProduct>().HasData(new LabelProduct
            {
                LabelProductId = 1, LabelId = 1, ProductId = 1
            });
            
            modelBuilder.Entity<Product>().HasData(new Product
            {
                ProductId = 1,
                Name = "Green Dress For Woman",
                Price = 15,
                Description = "Praesent scelerisque, mi sed ultrices condimentum, lacus ipsum viverra massa, in lobortis sapien eros in arcu. Quisque vel lacus ac magna vehicula sagittis ut non lacus.<br/>Sed volutpat tellus lorem, lacinia tincidunt tellus varius nec. Vestibulum arcu turpis, facilisis sed ligula ac, maximus malesuada neque. Phasellus commodo cursus pretium.",
                ImageUrl = "samosa.jpg",
                CategoryName = "Appetizer",
                HoverImageUrl = ""
            });

            modelBuilder.Entity<Rating>().HasData(new Rating
            {
                Id = 1,
                Rate = 3.3,
                Count = 100,
                ProductId = 1
            });

            modelBuilder.Entity<Label>().HasData(new Label
            {
                Id = 1,
                Name = "Trending"
            });

            modelBuilder.Entity<Colour>().HasData(new Colour
            {
                Id = 1,
                Img = "",
                Name = "green",
                Quantity = 3,
                ProductId = 1
            });

            modelBuilder.Entity<Colour>().HasData(new Colour
            {
                Id = 2,
                Img = "",
                Name = "red",
                Quantity = 2,
                ProductId = 1
            });

{
  "$id": "1",
  "isSuccess": true,
  "result": {
    "$id": "2",
    "$values": [
      {
        "$id": "3",
        "productId": 1,
        "name": "Green Dress For Woman",
        "price": 15,
        "description": "Praesent scelerisque, mi sed ultrices condimentum, lacus ipsum viverra massa, in lobortis sapien eros in arcu. Quisque vel lacus ac magna vehicula sagittis ut non lacus.<br/>Sed volutpat tellus lorem, lacinia tincidunt tellus varius nec. Vestibulum arcu turpis, facilisis sed ligula ac, maximus malesuada neque. Phasellus commodo cursus pretium.",
        "categoryName": "Appetizer",
        "imageUrl": "samosa.jpg",
        "hoverImageUrl": "",
        "labelProducts": {
          "$id": "4",
          "$values": [
            {
              "$id": "5",
              "labelProductId": 1,
              "productId": 1,
              "labelId": 1,
              "product": {
                "$ref": "3"
              },
              "label": null
            }
          ]
        },
        "rating": {
          "$id": "6",
          "id": 1,
          "rate": 3.3,
          "count": 100,
          "productId": 1,
          "product": {
            "$ref": "3"
          }
        },
        "colours": {
          "$id": "7",
          "$values": [
            {
              "$id": "8",
              "id": 1,
              "name": "green",
              "img": "",
              "quantity": 3,
              "productId": 1,
              "product": {
                "$id": "9",
                "productId": 1,
                "name": "Green Dress For Woman",
                "price": 15,
                "description": "Praesent scelerisque, mi sed ultrices condimentum, lacus ipsum viverra massa, in lobortis sapien eros in arcu. Quisque vel lacus ac magna vehicula sagittis ut non lacus.<br/>Sed volutpat tellus lorem, lacinia tincidunt tellus varius nec. Vestibulum arcu turpis, facilisis sed ligula ac, maximus malesuada neque. Phasellus commodo cursus pretium.",
                "categoryName": "Appetizer",
                "imageUrl": "samosa.jpg",
                "hoverImageUrl": "",
                "labelProducts": {
                  "$id": "10",
                  "$values": [
                    {
                      "$id": "11",
                      "labelProductId": 1,
                      "productId": 1,
                      "labelId": 1,
                      "product": {
                        "$ref": "9"
                      },
                      "label": null
                    }
                  ]
                },
                "rating": {
                  "$id": "12",
                  "id": 1,
                  "rate": 3.3,
                  "count": 100,
                  "productId": 1,
                  "product": {
                    "$ref": "9"
                  }
                },
                "colours": {
                  "$id": "13",
                  "$values": [
                    {
                      "$ref": "8"
                    },
                    {
                      "$id": "14",
                      "id": 2,
                      "name": "red",
                      "img": "",
                      "quantity": 2,
                      "productId": 1,
                      "product": {
                        "$ref": "9"
                      }
                    }
                  ]
                }
              }
            },
            {
              "$ref": "14"
            }
          ]
        }
      }
    ]
  },
  "displayMessage": "",
  "errorMessages": null
}