GtaVUsersInfo/MainForm.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Security.AccessControl;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;
using GtaVUsersInfo.Helpers;
using GtaVUsersInfo.Controls;
using Newtonsoft.Json;
using System.IO;
using System.Data.Common;
using GtaVUsersInfo.Forms;

namespace GtaVUsersInfo
{
    public partial class MainForm : Form
    {
        private List<Control> debugControlsList;

        private List<Car> carList;

        private List<Control> parameters;
        private List<CarControl> cars;

        public MainForm()
        {
            InitializeComponent();

            debugControlsList = new List<Control> { parserButton, readJsonButton };

            this.visible(debugControlsList, false);

            carList = LoadCarsFromJson(Resources.carJsonPath);

            parameters = new List<Control> { new ParameterControl("Имя"), new ParameterControl("Деньги") };
            cars = new List<CarControl>();

            carsItems.ContextMenuStrip = new CarPanelMenuStrip(addNewCar).Menu;
            parametersPanel.ContextMenuStrip = new ParameterPanelMenuStrip(addNewParameter).Menu;
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            AllPanelCreate();
        }

        private void AllPanelCreate()
        {
            ParameterPanelCreate();
            CarPanelCreate();
        }

        private void ParameterPanelCreate()
        {
            parametersPanel.Controls.Clear();

            foreach (Control param in parameters)
            {
                param.Dock = DockStyle.Top;
                (param as ParameterControl).MenuStrip = new ParameterItemMenuStrip(addNewParameter, deleteParameter, param as ParameterControl).Menu;
                parametersPanel.Controls.Add(param);
                parametersPanel.Controls.SetChildIndex(param, 0);
            }
        }

        private void CarPanelCreate()
        {
            carsItems.Controls.Clear();

            foreach (CarControl car in cars)
            {
                carsItems.Controls.Add(car);
            }
        }

        public static List<Car> LoadCarsFromJson(string filePath)
        {
            try
            {
                string json = File.ReadAllText(filePath);
                List<Car> cars = JsonConvert.DeserializeObject<List<Car>>(json);

                return cars;
            }
            catch (FileNotFoundException)
            {
                string message = $"Файл с автомобилями не найден: {filePath}";
                Console.WriteLine(message);
                MessageBox.Show(message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return new List<Car>();
            }
            catch (JsonException ex)
            {
                ErrorsShow.ShowErrorMessage($"Ошибка при десериализации JSON автомобилей: {ex.Message}");
                return new List<Car>();
            }
            catch (Exception ex)
            {
                ErrorsShow.ShowErrorMessage($"Произошла неожиданная ошибка при открытии файла с автомобилями: {ex.Message}");
                return new List<Car>();
            }
        }

        #region Methods

        private void visible(List<Control> controls, bool isVisible)
        {
            controls.ForEach(control => { control.Visible = isVisible; control.Enabled = isVisible; });
        }

        #endregion

        async private void parserButton_Click(object sender, EventArgs e)
        {
            using (var parser = new CarParser())
            {
                var cars = await parser.ParseCarsFromPages(25);
                parser.SaveToJson(cars, Resources.carJsonPath);
                ErrorsShow.ShowInfoMessage($"Данные сохранены: {Resources.carJsonPath}");
            }

            carList = LoadCarsFromJson(Resources.carJsonPath);
        }

        private void readJsonButton_Click(object sender, EventArgs e)
        {
            carList = LoadCarsFromJson(Resources.carJsonPath);
        }

        private void debugCheck_CheckedChanged(object sender, EventArgs e)
        {
            this.visible(debugControlsList, debugCheck.Checked);
        }

        private void addCar_Click(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            Car car = new Car();

            using (AddCars form = new AddCars(carList, car))
            {
                form.ShowDialog();
            }

            if (car.Name != null)
            {
                CarControl item = new CarControl(car);
                item.MenuStrip = new CarItemMenuStrip(addNewCar, editCar, deleteCar, item).Menu;
                cars.Add(item);
                CarPanelCreate();
            }
        }

        private void addNewCar(object sender, EventArgs e)
        {
            addCar_Click(sender, e);
        }

        private void editCar(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            CarItemMenuStrip menu = clickedMenuItem.Tag as CarItemMenuStrip;
            if (menu == null)
                return;

            CarControl carItem = menu.Car;
            if (carItem == null)
                return;

            Car car = new Car();

            using (AddCars form = new AddCars(carList, car))
            {
                form.ShowDialog();
            }

            if (car.Name != null)
            {
                carItem.EditCar(car);
            }
        }

        private void deleteCar(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            CarItemMenuStrip menu = clickedMenuItem.Tag as CarItemMenuStrip;
            if (menu == null)
                return;

            CarControl carItem = menu.Car;
            if (carItem == null)
                return;

            if (cars.Contains(carItem))
            {
                if (
                    ErrorsShow.ShowQuestMessage(
                        $"Вы точно хотите удалить автомобиль: {carItem.Car.Name} - {carItem.Car.Price}?"
                    ) == DialogResult.Yes)
                {
                    cars.Remove(carItem);
                    CarPanelCreate();
                }
            }
        }

        private void addParameter_Click(object sender, EventArgs e)
        {
            ParameterControl parameter = new ParameterControl();

            using (AddParameter form = new AddParameter(parameters, parameter))
            {
                form.ShowDialog();
            }

            if (!string.IsNullOrEmpty(parameter.ParamName))
            {
                parameter.Dock = DockStyle.Top;
                parameters.Add(parameter);
                ParameterPanelCreate();
            }
        }

        private void addNewParameter(object sender, EventArgs e)
        {
            addParameter_Click(sender, e);
        }

        private void deleteParameter(object sender, EventArgs e)
        {
            if (parameters.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список параметров пуст");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            ParameterItemMenuStrip menu = clickedMenuItem.Tag as ParameterItemMenuStrip;
            if (menu == null)
                return;

            ParameterControl parameterControl = menu.Parameter;
            if (parameterControl == null)
                return;

            if (parameters.Contains(parameterControl))
            {
                if (
                    ErrorsShow.ShowQuestMessage(
                        $"Вы точно хотите удалить элемент: {parameterControl.ParamName}?"
                    ) == DialogResult.Yes)
                {
                    parameters.Remove(parameterControl);
                    ParameterPanelCreate();
                }
            }
        }
    }
}