PIBD-23_Fomichev_V.S._FamilyBudget/ProjectFamilyBudget/Forms/FormIncome.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 FormIncome : Form
    {
        private readonly IIncome _income;
        private int? _incomeId;
        public int Id
        {
            set
            {
                try
                {
                    var income = _income.ReadIncomeById(value);
                    if (income == null)
                    {
                        throw new InvalidDataException(nameof(income));
                    }
                    textBoxName.Text = income.Name;
                    comboBoxIncomeType.SelectedItem = income.IncomeType;
                    textBoxCategory.Text = income.IncomeCategory;
                    _incomeId = value;

                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получени данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }
        public FormIncome(IIncome income)
        {
            InitializeComponent();
            _income = income ??
                throw new ArgumentNullException(nameof(income));
            comboBoxIncomeType.DataSource = Enum.GetValues(typeof(IncomeExpenseType));
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxName.Text)
                ||
                string.IsNullOrWhiteSpace(textBoxCategory.Text) || (comboBoxIncomeType.SelectedIndex < 0))
                {
                    throw new Exception("Имеются незаполненные поля");
                }
                if (_incomeId.HasValue)
                {
                    _income.UpdateIncome(CreateIncome(_incomeId.Value));
                }
                else
                {
                    _income.CreateIncome(CreateIncome(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 Income CreateIncome(int id) => Income.CreateEntity(id, (IncomeExpenseType)comboBoxIncomeType.SelectedItem!
            ,textBoxName.Text, textBoxCategory.Text);
    }
}