PIBD-23_Fomichev_V.S._FamilyBudget/ProjectFamilyBudget/Forms/FormPeople.cs

using ProjectFamilyBudget.Entities;
using ProjectFamilyBudget.Entities.Enums;
using ProjectFamilyBudget.Repositories;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ProjectFamilyBudget.Forms
{
    public partial class FormPeople : Form
    {
        private readonly IPeople _people;
        private int? _peopleId;
        public int Id
        {
            set
            {
                try
                {
                    var people = _people.ReadPeopleById(value);
                    if (people == null)
                    {
                        throw new InvalidDataException(nameof(people));
                    }
                    textBoxPeopleName.Text = people.Name;
                    textBoxLastName.Text = people.LastName;
                    numericUpDownAge.Value = people.Age;
                    comboBoxMember.SelectedItem = people.MemberType;
                    _peopleId = value;

                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получени данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }
        public FormPeople(IPeople people)
        {
            InitializeComponent();
            _people = people ??
                throw new ArgumentNullException(nameof(people));
            comboBoxMember.DataSource = Enum.GetValues(typeof(FamilyMemberType));
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxPeopleName.Text) 
                ||
                string.IsNullOrWhiteSpace(textBoxLastName.Text) || (comboBoxMember.SelectedIndex < 0))
                {
                    throw new Exception("Имеются незаполненные поля");
                }
                if (_peopleId.HasValue)
                {
                    _people.UpdatePeople(CreatePeople(_peopleId.Value));
                }
                else
                {
                    _people.CreatePeople(CreatePeople(0));
                }
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void buttonCansel_Click(object sender, EventArgs e) => Close();
        private People CreatePeople(int id) => People.CreateEntity(id, textBoxPeopleName.Text, textBoxLastName.Text, Convert.ToInt32(numericUpDownAge.Value)
         ,(FamilyMemberType)comboBoxMember.SelectedItem!);
    }
}