DocumentOrganizer/Diligent.WebAPI.Data/Entities/Category.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Diligent.WebAPI.Data.Entities
{
    public class Category
    {
        public int Id { get; set; }

        public string Name { get; set; }

        [ForeignKey(nameof(File))]
        public int FileId { get; set; }

        public FileEntity File { get; set; }
    }
}