EscribePassword/Passwords.cs

using CommunityToolkit.Mvvm.ComponentModel;
using System.Text.Json.Serialization;

namespace EscribePassword
{
    public partial class Passwords : ObservableObject
    {
        [ObservableProperty]
        private string usuario;

        [ObservableProperty]
        private string password;

        [ObservableProperty]
        private string categoria;


        public static List<Passwords> ConvertArrayToPasswordsList(string[,] tableArray)
        {
            var passwordsList = new List<Passwords>();

            for (int i = 0; i < tableArray.GetLength(0); i++)
            {
                var passwords = new Passwords();

                if (tableArray.GetLength(1) >= 1)
                    passwords.Categoria = tableArray[i, 0];
                if (tableArray.GetLength(1) >= 2)
                    passwords.Usuario = tableArray[i, 1];
                if (tableArray.GetLength(1) >= 3)
                    passwords.Password = tableArray[i, 2];
                passwordsList.Add(passwords);
            }

            return passwordsList;
        }

        public static string[,] ConvertPasswordsListToArray(List<Passwords> passwordsList)
        {
            if (passwordsList == null || passwordsList.Count == 0)
                return new string[0, 0];

            int rows = passwordsList.Count;
            int columns = 3; // Asumimos que siempre hay tres columnas: Usuario, Password, Categoria

            string[,] tableArray = new string[rows + 1, columns];

            // Fill header
            tableArray[0, 0] = "Class";
            tableArray[0, 1] = "User";
            tableArray[0, 2] = "Password";

            // Fill data
            for (int i = 0; i < rows; i++)
            {
                tableArray[i + 1, 0] = passwordsList[i].Categoria;
                tableArray[i + 1, 1] = passwordsList[i].Usuario;
                tableArray[i + 1, 2] = passwordsList[i].Password;
            }

            return tableArray;
        }
    }
}