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+using System;
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+using System.Collections.Generic;
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+using System.IO;
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+using System.Linq;
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+using Avalonia.Controls.ApplicationLifetimes;
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+using System.Threading.Tasks;
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+using Avalonia.Media.Imaging;
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+using Avalonia.Platform.Storage;
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+using AvaloniaApplication1.Models;
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+using ReactiveUI;
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+using Avalonia;
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+using System.Threading;
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+using System.ComponentModel;
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+using System.Runtime.CompilerServices;
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+using System.Windows.Input;
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+using System.Collections.ObjectModel;
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+using Avalonia.Threading;
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+
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+namespace AvaloniaApplication1.ViewModels
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+{
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+ public class AddSmeshViewModel : ViewModelBase
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+ {
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+
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+ string name;
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+ string animal;
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+ List<Gender> genders;
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+ List<Property> property;
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+ List<Property> property2;
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+ List<Property> smeshProperty;
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+ Property selectedProperty ;
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+ Gender selectedGender;
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+ int age;
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+ Bitmap imageSmesh;
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+ byte[] image;
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+ public ObservableCollection<Property> Items { get; } = new ObservableCollection<Property>();
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+ public ICommand AddItemCommand { get; }
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+ public string Name { get=> name; set => this.RaiseAndSetIfChanged(ref name, value); }
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+ public string Animal { get => animal; set => this.RaiseAndSetIfChanged(ref animal, value); }
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+ public List<Gender> Genders { get => genders; set => this.RaiseAndSetIfChanged(ref genders, value); }
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+ public List<Property> Property { get => property; set => this.RaiseAndSetIfChanged(ref property, value); }
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+ public List<Property> Property2 { get => property; set => this.RaiseAndSetIfChanged(ref property, value); }
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+ public List<Property> SmeshProperty { get => smeshProperty; set => this.RaiseAndSetIfChanged(ref smeshProperty, value); }
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+ public Gender SelectedGender { get => selectedGender; set => this.RaiseAndSetIfChanged(ref selectedGender, value); }
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+ public Property SelectedProperty { get => selectedProperty; set { selectedProperty = value; AddNewItem(); } }
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+ public int Age { get => age; set => this.RaiseAndSetIfChanged(ref age, value); }
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+
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+ public Bitmap ImageSmesh { get => imageSmesh; set => this.RaiseAndSetIfChanged(ref imageSmesh, value); }
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+ public byte[] Image { get => image; set => this.RaiseAndSetIfChanged(ref image, value); }
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+
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+
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+ public AddSmeshViewModel()
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+ {
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+ property = myConnection.Properties.ToList();
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+ property2 = property.ToList();
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+ selectedProperty = property.FirstOrDefault();
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+ genders = myConnection.Genders.ToList();
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+ }
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+
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+ public async Task AddImage()
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+ {
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+ if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop ||
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+ desktop.MainWindow?.StorageProvider is not { } provider)
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+ throw new NullReferenceException("Missing StorageProvider instance.");
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+
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+ var files = await provider.OpenFilePickerAsync(new FilePickerOpenOptions()
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+ {
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+ Title = "Ôîòî ñìåøàðèêà",
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+ AllowMultiple = false
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+ });
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+ await using var readStream = await files[0].OpenReadAsync();
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+ byte[] buffer = new byte[10000000];
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+ var bytes = readStream.ReadAtLeast(buffer, 1);
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+ Array.Resize(ref buffer, bytes);
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+ Image = buffer;
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+ ImageSmesh = new Bitmap(new MemoryStream(buffer));
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+ }
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+
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+ public void Back() => MainWindowViewModel.Self.Uc = new AdminPage();
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+ public void Save()
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+ {
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+ myConnection.Add(new Smeshariki()
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+ {
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+ Name = Name,
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+ Age = Age,
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+ Gender = SelectedGender.Id,
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+ Animal = Animal,
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+ Image = Image,
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+ IdProperties = Items
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+ });
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+ myConnection.SaveChanges();
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+ MainWindowViewModel.Self.Uc = new AdminPage();
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+ }
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+
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+ private async void AddNewItem()
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+ {
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+ var newItem = SelectedProperty;
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+ await Dispatcher.UIThread.InvokeAsync(() =>
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+ {
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+ if(newItem != null)
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+ {
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+ Items.Add(newItem);
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+ Property = Property.Except(Items).ToList();
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+ }
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+ });
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+ }
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+ public event PropertyChangedEventHandler PropertyChanged;
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+ protected void OnPropertyChanged([CallerMemberName] string propertyName = "")
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+ {
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+ PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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+ }
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+
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+
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+
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+
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+ }
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+}
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