Imprägnierungsliste hinzugefügt

DaSaSo.ViewModel/ImpregnierungListViewModel.cs

@@ -0,0 +1,53 @@
+using DaSaSo.Domain.Model;
+using DaSaSo.Domain.Services;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel
+{
+    public class ImpregnierungListViewModel : BaseViewModel
+    {
+        public ObservableCollection<Impregnation> Impregnations;
+        private readonly IDataService<Impregnation> _impregnationService;
+        bool _isLoading;
+
+        public bool IsLoading {
+            get => _isLoading;
+            set
+            {
+                if(_isLoading != value)
+                {
+                    _isLoading = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+
+        public ImpregnierungListViewModel(IDataService<Impregnation> impregnationService)
+        {
+            IsLoading = true;
+            Impregnations = new ObservableCollection<Impregnation>();
+            _impregnationService = impregnationService;
+            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);
+        }
+    }
+}