parr_api/PARR.DAL/Models/ApplicationsInWork.cs

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

namespace PARR.DAL.Models
{
    [Table("ApplicationsInWorks")]
    [Index(nameof(WorkId), nameof(ApplicationId), IsUnique = true)]
    public class ApplicationsInWork : IBase
    {
        [Key]
        public Guid Id { get; set; }

        public DateTimeOffset DateCreated { get; set; }

        public DateTimeOffset? DateModified { get; set; }

        public Guid WorkId { get; set; }

        public Guid ApplicationId { get; set; }

        public required string TemplateDuration { get; set; }

        public required string ShortDescription { get; set; }

        public required string FullDescription { get; set; }

        public required string Solution { get; set; }

        [ForeignKey(nameof(WorkId))]
        public Work? Work { get; set; }

        [ForeignKey(nameof(ApplicationId))]
        public Application? Application { get; set; }

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