CourseWork_SchoolStudyAgain/SchoolAgainStudy/SchoolAgainStudyDataBaseImplements/Models/Interest.cs

using SchoolAgainStudyContracts.BindingModel;
using SchoolAgainStudyContracts.ViewModel;
using SchoolAgainStudyDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SchoolAgainStudyDataBaseImplements.Models
{
    public class Interest : IInterest
    {
        [Required]
        public string Title { get; set; } = string.Empty;
        [Required]
        public string Description { get; set; } = string.Empty;

        public int Id { get; set; }
        [Required]
        public int StudentId { get; set; }
        public virtual Student Student { get; set; }
        [ForeignKey("InterestId")]
        public virtual List<DiyInterest> DiyInterests { get; set; } = new();
        [ForeignKey("InterestId")]
        public virtual List<ProductInterest> ProductInterests { get; set; } = new();

        public static Interest? Create(InterestBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new Interest()
            {
                Id = model.Id,
                Title = model.Title,
                Description = model.Description,
                StudentId = model.StudentId,
            };
        }


        public void Update(InterestBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Title = model.Title;
            Description = model.Description;
        }

        public InterestViewModel GetViewModel => new()
        {
            Id = Id,
            Title = Title,
            Description = Description,
            StudentId = StudentId,
        };
    }
}