Case_accounting/CaseAccounting/CaseAccountingDataBaseImplement/Models/Case.cs

using CaseAccountingContracts.BindingModels;
using CaseAccountingContracts.ViewModels;
using CaseAccountingDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace CaseAccountingDataBaseImplement.Models
{
    public class Case : ICaseModel
    {
        public int Id { get; set; }

        [Required]
        public string Name { get; set; } = string.Empty;

        [Required]
        public string Applicant { get; set; } = string.Empty;

        [Required]
        public string Defendant { get; set; } = string.Empty;

        [Required]
        public string Annotation { get; set; } = string.Empty;

        [Required]
        public DateTime Date { get; set; }

        [Required]
        public int SpecializationId { get; set; }

        [Required]
        public int UserId { get; set; }

        [ForeignKey("CaseId")]
        public virtual List<Hearing> Hearings { get; set; } = new();

        [ForeignKey("CaseId")]
        public virtual List<CaseLawyer> Lawyers { get; set; } = new();

        [ForeignKey("CaseId")]
        public virtual List<CaseDeal> Deals { get; set; } = new();

        public static Case? Create(CaseBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Case()
            {
                Id = model.Id,
                Name = model.Name,
                Applicant = model.Applicant,
                Defendant = model.Defendant,
                Annotation = model.Annotation,
                Date = model.Date,
                SpecializationId = model.SpecializationId,
                UserId = model.UserId
            };
        }

        public void Update(CaseBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Name = model.Name;
            Annotation = model.Annotation;
            Date = model.Date;
        }

        public CaseViewModel GetViewModel => new()
        {
            Id = Id,
            Name = Name,
            Applicant = Applicant,
            Defendant = Defendant,
            Annotation = Annotation,
            Date = Date,
            SpecializationId = SpecializationId,
            UserId = UserId
        };
    }
}