parr_api/PARR.DAL/Models/Host.cs

using Microsoft.EntityFrameworkCore;
using PARR.DAL.Models.Base;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace PARR.DAL.Models
{
    [Table("Hosts")]
    [Index(nameof(Ek), nameof(IP))]
    public class Host : IBase
    {
        [Key]
        public Guid Id { get; set; }

        public DateTimeOffset DateCreated { get; set; }

        public DateTimeOffset? DateModified { get; set; }

        public required string Ek { get; set; }

        public int EkStatusCode { get; set; }

        public string? IP { get; set; }

        //public string? RegionalEK { get; set; }
        //public string? LinkEK { get; set; }

        //TODO: удалить поле Status, вместо него использовать EkStatusCode
        //public string? StatusStr { get; set; }

        public string? WorkGroup { get; set; }

        public Guid? WorkGroupId { get; set; }

        //TODO:  удалить поле ResponseAreaStr
        //public string? ResponseAreaStr { get; set; }

        public int ResponseAreaCode { get; set; }

        public DateTimeOffset? LastLogon { get; set; }


        public ICollection<ApplicationInHost> ApplicationsInHosts { get; set; } = new HashSet<ApplicationInHost>();

        public ICollection<Template> Templates { get; set; } = new HashSet<Template>();


        [ForeignKey(nameof(EkStatusCode))]
        public EkStatus? EkStatus { get; set; }

        [ForeignKey(nameof(ResponseAreaCode))]
        public ResponseArea? ResponseArea { get; set; }

        [ForeignKey(nameof(WorkGroupId))]
        public WorkGroup? WorkGroupItem { get; set; }
    }
}