ViewModels in eigene DLL gepackt

KanSan.ViewModel/KanSan.ViewModel.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\KanSan.Base\KanSan.Base.csproj" />
+  </ItemGroup>
+
+</Project>

KanSan.ViewModel/KundenEditViewModel.cs

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+using KanSan.Base;
+using KanSan.Base.Interfaces;
+using KanSan.Base.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+
+namespace KanSan.ViewModel
+{
+    public class KundenEditViewModel : PropertyChangedClass, INotifyPropertyChanged
+    {
+        IUnitOfWork unitOfWork = new UnitOfWork(new KanSanContext());
+
+        private Kunde _kunde;
+        private string vorname;
+        private string nachname;
+        private string strasse;
+        private string plz;
+        private string ort;
+
+        #region getters
+        public string Vorname
+        {
+            get
+            {
+                return vorname;
+            }
+            set
+            {
+                if (vorname == value) return;
+                vorname = value;
+                OnPropertyChanged();
+            }
+        }
+        public string Nachname
+        {
+            get
+            {
+                return nachname;
+            }
+            set
+            {
+                if (nachname == value) return;
+                nachname = value;
+                OnPropertyChanged();
+            }
+        }
+        public string Strasse
+        {
+            get
+            {
+                return strasse;
+            }
+            set
+            {
+                if (strasse == value) return;
+                strasse = value;
+                OnPropertyChanged();
+            }
+        }
+        public string PLZ
+        {
+            get
+            {
+                return plz;
+            }
+            set
+            {
+                if (plz == value) return;
+                plz = value;
+                OnPropertyChanged();
+            }
+        }
+        public string Ort
+        {
+            get
+            {
+                return ort;
+            }
+            set
+            {
+                if (ort == value) return;
+                ort = value;
+                OnPropertyChanged();
+            }
+        }
+        #endregion
+
+        public KundenEditViewModel(Kunde kunde = null)
+        {
+            if (kunde == null)
+                _kunde = unitOfWork.KundenRepository.Get().First();
+            else
+                _kunde = kunde;
+            
+            vorname = _kunde.Vorname;
+            nachname = _kunde.Nachname;
+            strasse = _kunde.Strasse;
+            plz = _kunde.PLZ;
+            ort = _kunde.Ort;
+        }
+
+        public void Speichern()
+        {
+            _kunde.Vorname = Vorname;
+            _kunde.Nachname = Nachname;
+            _kunde.Strasse = Strasse;
+            _kunde.Ort = Ort;
+            _kunde.PLZ = PLZ;
+
+            unitOfWork.KundenRepository.Update(_kunde);
+            unitOfWork.Commit();
+        }
+    }
+}

KanSan.ViewModel/KundenListViewModel.cs

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+using KanSan.Base;
+using KanSan.Base.Interfaces;
+using KanSan.Base.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+
+namespace KanSan.ViewModel
+{
+    public class KundenListViewModel
+    {
+        IUnitOfWork unitOfWork = new UnitOfWork(new KanSanContext());
+        private List<Kunde> kunden;
+
+        public List<Kunde> Kunden
+        {
+            get
+            {
+                return kunden;
+            }
+        }
+
+        public KundenListViewModel()
+        {
+            kunden = unitOfWork.KundenRepository.Get().ToList();
+        }
+
+        public Kunde NeueKunde()
+        {
+            Kunde result = new Kunde();
+            result.GuidNr = Guid.NewGuid();
+            unitOfWork.KundenRepository.Insert(result);
+            unitOfWork.Commit();
+
+            IEnumerable<Kunde> kunden = unitOfWork.KundenRepository.Get(d => d.GuidNr.Equals(result.GuidNr));
+            if (kunden.Count() < 1)
+                throw new Exception("Kunde konnte nicht gefunden werden");
+
+            return kunden.First();
+        }
+    }
+}

KanSan.ViewModel/ProjektViewModel.cs

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+using KanSan.Base;
+using KanSan.Base.Interfaces;
+using KanSan.Base.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace KanSan.ViewModel
+{
+    public class ProjektViewModel : PropertyChangedClass,INotifyPropertyChanged
+    {
+        private Projekt _baustelle;
+        IUnitOfWork unitOfWork = new UnitOfWork(new KanSanContext());
+
+        
+        private string ortTeil;
+        private string baustelleNummer;
+        public string OrtTeil
+        {
+            get
+            {
+                return ortTeil;
+            }
+            set
+            {
+                if (ortTeil == value) return;
+                ortTeil = value;
+                OnPropertyChanged();
+            }
+        }
+        
+        public string BaustelleNummer
+        {
+            get
+            {
+                return baustelleNummer;
+            }
+            set
+            {
+                if (baustelleNummer == value) return;
+                baustelleNummer = value;
+                OnPropertyChanged();
+            }
+        }
+        
+        
+
+        public ProjektViewModel()
+        {
+            _baustelle = unitOfWork.ProjekteRepository.Get().First();
+            ortTeil = _baustelle.Ort;
+            
+            baustelleNummer = _baustelle.Projektnummer;
+        }
+    }
+}

KanSan.ViewModel/PropertyChangedClass.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace KanSan.ViewModel
+{
+    public class PropertyChangedClass
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected internal void OnPropertyChanged([CallerMemberName] string propertyname = null)
+        {
+            if (PropertyChanged != null)
+                PropertyChanged(this, new PropertyChangedEventArgs(propertyname));
+        }
+    }
+}