Entities 4 dimas

 public class BaseEntity {
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public long Id { get; set; }

        public DateTime UpdatedDate { get; set; }

        public DateTime CreatedDate { get; set; }
    }

   public class Category : BaseEntity {
        public string Name { get; set; }

        [ForeignKey("Parent")]
        public long? ParentId { get; set; }
        public Category Parent { get; set; }

        public List<Category> SubCategory { get; set; }

        public List<Product> Products { get; set; }

        public string Comment { get; set; }

        public bool isRemoved { get; set; }

        public int Priority { get; set; }
    }

 public class Product : BaseEntity {
        public string Name { get; set; }

        public string ProductCode { get; set; }

        public long SubCategoryId { get; set; }

        public decimal Price { get; set; }

        public int Quantity { get; set; }

        public string ReturnedDesigns { get; set; }

        public bool IsRemoved { get; set; }

        public long CategoryId { get; set; }
        public Category Category { get; set; }

        public long LexiconId { get; set; }
        public Lexicon Lexicon { get; set; }

        public string ProductPromId { get; set; }

        public decimal PurchasePrice { get; set; }

        public decimal PartnerPrice { get; set; }

        public decimal RecomendedPartnerPrice { get; set; }

        public string PartnerProductCode { get; set; }

        public string ProductFoto { get; set; }

        [NotMapped]
        public int WaitingQuantity { get; set; }

    }

public class Lexicon : BaseEntity {
        public string OfficialName { get; set; }

        public string PurchaseName { get; set; }

        public string CasualName { get; set; }

        public string VendorName { get; set; }

        public decimal VendorPrice { get; set; }

        public int DesignsQuantity { get; set; }

        public long ProductTypeId { get; set; }
        public ProductType ProductType { get; set; }

        public bool HasColors { get; set; }

        public bool HasDesigns { get; set; }

        public bool HasComment { get; set; }

        public bool HasQuantity { get; set; }

        public bool CanBeBase { get; set; }

        public bool CanHaveUserImg { get; set; }

        public int Priority { get; set; }

        public bool IsForPartners { get; set; }

        public string OfficialPartnerName { get; set; }

        public int PartnerPriority { get; set; }

        public bool IsRemoved { get; set; }

    }

 public class ProductType : BaseEntity{
        public string Name { get; set; }
    }

 public class ProductColor : BaseEntity {
        public long ProductId { get; set; }
        public Product Product { get; set; }

        public long ColorId { get; set; }
        public Color Color { get; set; }

        public int Quantity { get; set; }

        public DateTime ShipmentDate { get; set; }

        public string PictureUrl1 { get; set; }
        public string PictureUrl2 { get; set; }
        public string PictureUrl3 { get; set; }
        public string PictureUrl4 { get; set; }
        public string PictureUrl5 { get; set; }

        public bool isRemoved { get; set; }

        [NotMapped]
        public int WaitingQuantity { get; set; }
    }

  public class Color : BaseEntity {
        public string Name { get; set; }

        public string Code { get; set; }

        public int Priority { get; set; }

        public bool IsRemoved { get; set; }
    }