PIbd-23-Kondratev-N.D.-Gasoline-Tanker-Base/GasolineTanker/ProjectGasolineTanker/Drawings/ExtentionDrawingTruck.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ProjectGasolineTanker.Entities;

namespace ProjectGasolineTanker.Drawings
{
    public static class ExtentionDrawingTruck
    {
        // создание объекта из строки
        public static DrawingTruck? CreateDrawingTruck(this string info, char separatorForObject, int width, int height)
        {
            string[] strs = info.Split(separatorForObject);
            if (strs.Length == 3)
            {
                return new DrawingTruck(
                    Convert.ToInt32(strs[0]),
                    Convert.ToInt32(strs[1]),
                    Color.FromName(strs[2]), width, height);
            }
            if (strs.Length == 6)
            {
                return new DrawingGasolineTanker(
                Convert.ToInt32(strs[0]), Convert.ToInt32(strs[1]),
                Color.FromName(strs[2]), Color.FromName(strs[3]),
                Convert.ToBoolean(strs[4]), Convert.ToBoolean(strs[5]),
                width, height);
            }
            return null;
        }

        // Получение данных для сохранения в файл
        public static string GetDataForSave(this DrawingTruck DrawingTruck, char separatorForObject)
        {
            var truck = DrawingTruck.EntityTruck;
            if (truck == null)
            {
                return string.Empty;
            }
            var str = $"{truck.Speed}{separatorForObject}{truck.Weight}{separatorForObject}{truck.BodyColor.Name}";
            if (truck is not EntityGasolineTanker GasolineTanker)
            {
                return str;
            }
            return $"{str}{separatorForObject}{GasolineTanker.Add_Color.Name}{separatorForObject}{GasolineTanker.IsTank}{separatorForObject}{GasolineTanker.IsWheel}";
        }
    }   
}