DaSaSo/DaSaSo.ViewModel/ImpregnierungListViewModel.cs

using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.ViewModel.Commands;
using DaSaSo.ViewModel.Interface;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace DaSaSo.ViewModel
{
    public class ImpregnierungListViewModel : BaseViewModel
    {
        public ObservableCollection<Impregnation> Impregnations { get; }
        private readonly IDataService<Impregnation> _impregnationService;
        private Impregnation? _selectedImpregnation = null;
        public Impregnation? SelectedImpregnation
        {
            get => _selectedImpregnation;
            set
            {
                if(_selectedImpregnation != value)
                {
                    _selectedImpregnation = value;
                    OnPropertyChanged();
                    OnPropertyChanged(nameof(CanSelectImpregnation));
                }
            }
        }
        public bool CanSelectImpregnation => SelectedImpregnation != null;
        public ICommand EditImpregnationCommand { get; set; }
        public ICommand AddImpregnationCommand { get; set; }
        bool _isLoading;

        public bool IsLoading {
            get => _isLoading;
            set
            {
                if(_isLoading != value)
                {
                    _isLoading = value;
                    OnPropertyChanged();
                }
            }
        }

        public ImpregnierungListViewModel(IDataService<Impregnation> impregnationService,IActualProject actualProject, IRenavigator editRenavigator)
        {
            IsLoading = true;
            Impregnations = new ObservableCollection<Impregnation>();
            _impregnationService = impregnationService;
            AddImpregnationCommand = new RelayCommand(() =>
            {
                Impregnation newImpregnation = new Impregnation()
                {
                    Number = "Neu bitte Editieren!"
                };
                SelectedImpregnation = newImpregnation;
                Impregnations.Add(newImpregnation);
                OnPropertyChanged("Impregnations");
            });
            
            //AddImpregnationCommand = //new AddImpregnationCommand(_impregnationService, editRenavigator);
            EditImpregnationCommand = new EditImpregnationCommand(_impregnationService, this,actualProject, editRenavigator);
            LoadImpregnations();

        }

        private async void LoadImpregnations()
        {
            var impregList = await _impregnationService.GetAll();
            InitCollection(Impregnations, impregList);
            IsLoading = false;
        }

        private void InitCollection(ObservableCollection<Impregnation> target, IEnumerable<Impregnation> source)
        {
            target.Clear();
            foreach (var i in source)
                target.Add(i);
        }
    }
}