ISEbd-21_Tukaeva_A_A_School/School/SchoolDatabaseImplements/Models/CircleExpense.cs

using Microsoft.EntityFrameworkCore;
using SchoolContracts.BindingModel;
using SchoolContracts.BindingModels;
using SchoolContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SchoolDatabaseImplement.Models
{
	public class CircleExpense
	{
		public int Id { get; set; }
		[Required]
		public int ExpenseId { get; set; }
		[Required]
		public int CircleId { get; set; }
		public virtual Expense Expense { get; set; } = new();
		public virtual Circle Circle { get; set; } = new();
		public static CircleExpense? Create(SchoolDatabase context, CircleExpenseBindingModel model)
		{
			if (model == null)
			{
				return null;
			}
			return new()
			{
				Id = model.Id,
				Circle = context.Circles.First(x => x.Id == model.CircleId),
				Expense = context.Expenses.First(x => x.Id == model.ExpenseId)
			};
		}
		public void Update(CircleExpenseBindingModel model)
		{
			Id = model.Id;
		}

		public CircleExpenseViewModel GetViewModel => new()
		{
			Id = Id
		};
	}
}