viewmodel ins wpf gepackt, build failed

DaSaSo.Wpf/ViewModel/ProjectEditViewModel.cs

@@ -0,0 +1,68 @@
+using DaSaSo.Domain.Model;
+using DaSaSo.Domain.Services;
+using DaSaSo.Domain.Services.ProjectServices;
+using DaSaSo.Wpf.ViewModel.Commands;
+using DaSaSo.Wpf.ViewModel.Interface;
+using Microsoft.Toolkit.Mvvm.Input;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace DaSaSo.Wpf.ViewModel
+{
+    public class ProjectEditViewModel : BaseViewModel
+    {
+        private Project _model;
+        private readonly IDataService<Project> _dataservice;
+        private readonly IActualProject _actualProject;
+        private readonly IRenavigator _renavigator;
+        private readonly IProjectService _projectService;
+
+        public IRelayCommand SaveProjectCommand { get; set; }
+        public string ProjektName
+        {
+            get => _model.Name;
+            set
+            {
+                if (_model.Name != value)
+                {
+                    _model.Name = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        public string ProjektNummer
+        {
+            get => _model.Projektnummer;
+            set
+            {
+                if(_model.Projektnummer != value)
+                {
+                    _model.Projektnummer = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+
+        public ProjectEditViewModel(IDataService<Project> dataservice, IActualProject actualProject,IRenavigator renavigator, IProjectService projectService)
+        {
+            _dataservice = dataservice;
+            _actualProject = actualProject;
+            _renavigator = renavigator;
+            _projectService = projectService;
+            _model = actualProject.AktuellProjekt;
+            SaveProjectCommand = new RelayCommand(SaveProject);
+            //SaveProjectCommand = new EditProjectCommand(_dataservice, _actualProject, _renavigator, this);
+
+        }
+
+        private void SaveProject()
+        {
+            _dataservice.Update(_model.Id, _model);
+            _renavigator.Renavigate();
+        }
+    }
+}