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

using SchoolContracts.BindingModel;
using SchoolContracts.BindingModels;
using SchoolContracts.ViewModels;
using SchoolDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SchoolDatabaseImplement.Models
{
	public class Expense : IExpenseModel
	{
		public int Id { get; private set; }
		public string ExpenseName { get; private set; } = string.Empty;
		[Required]
		public double Sum { get; private set; }
		[Required]
		public int Count { get; private set; }
		public int EmployeeId { get; private set; }
		public int CircleId { get; private set; }
		[ForeignKey("ExpenseId")]
		public virtual List<CircleExpense> CircleExpenses { get; set; } = new();
		[ForeignKey("ExpenseId")]
		public virtual Employee Employee { get; set; } = new();
		public static Expense? Create(SchoolDatabase context, ExpenseBindingModel model)
		{
			if (model == null)
			{
				return null;
			}
			return new()
			{
				Id = model.Id,
				ExpenseName = model.ExpenseName,
				Sum = model.Sum,
				Count = model.Count,
				Employee = context.Employees.First(x => x.Id == model.EmployeeId)
			};
		}
		public void Update(ExpenseBindingModel model)
		{
			if (model == null)
			{
				return;
			}
			ExpenseName = model.ExpenseName;
			Sum = model.Sum;
		}

		public ExpenseViewModel GetViewModel => new()
		{
			Id = Id,
			ExpenseName = ExpenseName,
			Sum = Sum
		};
	}
}