CryptoProfile-Tracker/CryptoPortfolio Tracker/ViewModels/LoginViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CryptoPortfolio_Tracker.Views;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text;
using System.Threading.Tasks;
using Avalonia.Controls.Notifications;
using CryptoPortfolio_Tracker.Context;
using CryptoPortfolio_Tracker.Core;
using Microsoft.EntityFrameworkCore;

namespace CryptoPortfolio_Tracker.ViewModels
{
    public partial class LoginViewModel : ObservableValidator
    {
        [Required] [ObservableProperty] public partial string Login { get; set; } = "admin";

        [Required] [ObservableProperty] public partial string Password { get; set; } = "admin";

        [RelayCommand]
        private async Task LoginAsync()
        {
            if (Validate())
            {
                await using CryptoContext context = new();

                var user = await context.Users.FirstOrDefaultAsync(u =>
                    (u.Email == Login || u.Login == Login) && u.Password == Password);

                if (user == null)
                {
                    MainView.Current.ShowToast("Неверный логин или пароль", NotificationType.Error);
                    return;
                }

                AppState.CurrentUser = user;

                await MainView.Current.ReplaceAsync(new HomeView
                {
                    DataContext = new HomeViewModel()
                });
            }
        }

        private bool Validate()
        {
            ValidateAllProperties();
            return !HasErrors;
        }
    }
}