Notes/Notes.Data/ViewModels/AllNotesViewModel.cs

using System;
using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Notes.Models;

namespace Notes.ViewModels;


public partial class AllNotesViewModel: ViewModelBase
{
    private readonly IServices _services;

    [ObservableProperty] 
    private ObservableCollection<Note> _notes;
    
    [ObservableProperty] 
    private ObservableCollection<Note> _selected;

    private Models.Notes _originNotes;


    [RelayCommand]
    public void NewNote()
    {
        this._services.GetSafeAs<MainViewModel>().Navitation<NoteViewModel>();
    }

    [RelayCommand]
    public void DeleteNote()
    {
        
    }
    
    public void DeleteNote(IEnumerable<NoteViewModel> selection)
    {
        foreach (var noteViewModel in selection)
        {
            var note = noteViewModel.Note;
            Notes.Remove(note);
            _originNotes.Delete(note);
        }
    }
    [RelayCommand]
    public void OpenAbout()
    {
        this._services.GetSafeAs<MainViewModel>().Navitation<AboutViewModel>();
    }
    [RelayCommand]
    public void OpenNote(Note note)
    {
        this._services.GetSafeAs<MainViewModel>().OpenNote(note);
    }

    public AllNotesViewModel(IServices services)
    {
        this._services = services;
        this._originNotes = new Models.Notes();
        _notes = new ObservableCollection<Note>(this._originNotes.notes);
    }


    public void AddNote(NoteViewModel viewModel)
    {
        var viewModelNote = viewModel.Note;
        if (Notes.Contains(viewModelNote))
        {
            return;
        }
        if (this.Notes.Any(x=>x.Filename == viewModel.Note.Filename))
        {
            return;
        }
        Notes.Add(viewModelNote);
        this._originNotes.notes.Add(viewModelNote);
    }
}