Rogashova_E.A._CourseWork_Hospital/HospitalDataBaseImplements/Models/Kurses.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HospitalDataModels.Models;
using HospitalContracts.BindingModels;
using HospitalContracts.ViewModels;

namespace HospitalDataBaseImplements.Models
{
    public class Kurses : IKurseModel
    {
        public int Id { get; private set; }
    [Required]
    public string Duration { get; private set; } = string.Empty;
    [Required]
    public int CountInDay { get; private set; }
    [ForeignKey("KurseId")]

    public virtual List<IllnessKurse> IllnessKurses { get; set; } = new();

        private Dictionary<int, IMedicinesModel>? _kurseMedicine = null;

        [NotMapped]
        public Dictionary<int, IMedicinesModel> KurseMedicine
        {
            get
            {
                if (_kurseMedicine == null)
                {
                    _kurseMedicine = Medicines
                    .ToDictionary(rec => rec.MedicineId, rec =>
                   rec.Medicine as IMedicinesModel);
                }
                return _kurseMedicine;
            }
        }
        [ForeignKey("KurseId")]
        public virtual List<KurseMedicines> Medicines { get; set; } = new();
        public static Kurses? Create(KurseBindingModel model)
    {
        if (model == null)
        {
            return null;
        }
        return new Kurses()
        {
            Id = model.Id,
            Duration = model.Duration,
            CountInDay = model.CountInDay
        };
    }
    public static Kurses Create(KurseViewModel model)
    {
        return new Kurses
        {
            Id = model.Id,
            Duration = model.Duration,
            CountInDay = model.CountInDay
        };
    }
    public void Update(KurseBindingModel model)
    {
        if (model == null)
        {
            return;
        }
        Duration = model.Duration;
        CountInDay = model.CountInDay;
    }
    public KurseViewModel GetViewModel => new()
    {
        Id = Id,
        Duration = Duration,
        CountInDay = CountInDay
    };
}
}