viewmodel ins wpf gepackt, build failed

DaSaSo.Wpf/ViewModel/BuildingsiteListViewModel.cs

@@ -0,0 +1,71 @@
+using DaSaSo.Domain.Model;
+using DaSaSo.Domain.Services;
+using DaSaSo.Domain.Services.BuildingsiteServices;
+using DaSaSo.EntityFramework.Services;
+using DaSaSo.Wpf.ViewModel.Commands;
+using DaSaSo.Wpf.ViewModel.Interface;
+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.Wpf.ViewModel
+{
+    public class BuildingsiteListViewModel: BaseViewModel
+    {
+        public ObservableCollection<Buildingsite> Buildingsites { get; }
+        
+
+        private readonly IActualProject _actualProject;
+        private readonly IRenavigator _renavigator;
+        private readonly BuildingsiteDataService _buildingSiteDataService;
+        private Buildingsite? _selectedBuildingsite;
+
+        public Buildingsite? SelectedBuildingsite
+        {
+            get => _selectedBuildingsite;
+            set
+            {
+                if(_selectedBuildingsite != value)
+                {
+                    _selectedBuildingsite = value;
+                    OnPropertyChanged();
+                    OnPropertyChanged(nameof(CanSelectBuildingsite));
+                }
+            }
+        }
+
+        public ICommand SelectCommand { get; set; }
+        public ICommand AddCommand { get; set; }
+        public ICommand EditCommand { get; set; }
+        public bool CanSelectBuildingsite => SelectedBuildingsite != null;
+
+        public BuildingsiteListViewModel(IDataService<Buildingsite> buildingSiteDataService, IActualProject actualProject, IRenavigator renavigator,IBuildingsiteService buildingsiteService)
+        {
+            _actualProject = actualProject;
+            _renavigator = renavigator;
+            _buildingSiteDataService = (BuildingsiteDataService)buildingSiteDataService;
+            Buildingsites = new ObservableCollection<Buildingsite>();
+            EditCommand = new EditBuildingsiteCommand(buildingSiteDataService,actualProject,renavigator,buildingsiteService,this);
+            SelectCommand = new SelectBuildingsiteCommand(actualProject, this);
+            AddCommand = new AddBuildingsiteCommand(buildingSiteDataService, actualProject, buildingsiteService,renavigator);
+            LoadBuildingsites();
+        }
+
+        private async void LoadBuildingsites()
+        {
+            var buildingsites = await _buildingSiteDataService.GetAllByProjekt(_actualProject.AktuellProjekt);
+            InitCollection(Buildingsites, buildingsites);
+        }
+
+        private void InitCollection(ObservableCollection<Buildingsite> target, IEnumerable<Buildingsite> source)
+        {
+            target.Clear();
+            foreach (var i in source)
+                target.Add(i);
+        }
+    }
+}