Aufgabe WPF

FahzeugWPF/App.xaml

@@ -0,0 +1,8 @@
+<Application x:Class="FahzeugWPF.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:FahzeugWPF">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

FahzeugWPF/App.xaml.cs

@@ -0,0 +1,44 @@
+using FahrzeugDatenBank;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using System.IO;
+using System.Windows;
+
+namespace FahzeugWPF
+{
+
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        public static ServiceProvider ServiceProvider { get; private set; }
+
+        public App()
+        {
+            IConfiguration configuration = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json", optional: false, reloadOnChange: true).Build();
+
+            ServiceCollection services = new ServiceCollection();
+
+            services.AddScoped<IKonfigurationsleser>(sp => new Konfigurationsleser(configuration));
+            services.AddScoped(sp => new FahrzeugRepository(sp.GetRequiredService<IKonfigurationsleser>().LiesDBVerebindung()));
+            services.AddScoped<FahrzeugeModell>();
+            services.AddSingleton<MainWindowViewModel>();
+            services.AddSingleton<MainWindow>();
+
+            ServiceProvider = services.BuildServiceProvider();
+        }
+
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            this.MainWindow = ServiceProvider.GetService<MainWindow>();
+            this.MainWindow.DataContext = ServiceProvider.GetService<MainWindowViewModel>();
+            this.MainWindow.Show();
+        }
+
+        private string GetConnectionString()
+        {
+            return "Server=localhost;User ID=admin;Password=admin;Database=FahrzeugDB";
+        }
+    }
+}

FahzeugWPF/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

FahzeugWPF/FahrzeugeModell.cs

@@ -0,0 +1,45 @@
+using FahrzeugDatenBank;
+
+namespace FahzeugWPF;
+
+class FahrzeugeModell
+{
+    private readonly FahrzeugRepository _repository;
+
+    public FahrzeugeModell(FahrzeugRepository repository)
+    {
+        this._repository = repository;
+    }
+
+    public async Task<IEnumerable<Fahrzeug>> LadeAlleFahrzeuge()
+    {
+        List<FahrzeugDTO>? fahrzeugs = await Task.Run(() =>
+        {
+            return _repository.HoleAlleFahrzeuge();
+        });
+        var fahrzeugListe = KonvertiereFahrzeuge(fahrzeugs);
+        return fahrzeugListe;
+    }
+
+    private IEnumerable<Fahrzeug> KonvertiereFahrzeuge(IEnumerable<FahrzeugDTO> fahrzeugs)
+    {
+        return fahrzeugs.Select(fahrzeug => KonvertiereFahrzeuf(fahrzeug));
+    }
+
+    private Fahrzeug KonvertiereFahrzeuf(FahrzeugDTO fahrzeugDTO)
+    {
+        switch (fahrzeugDTO.Typ)
+        {
+            case "Auto":
+                var auto = new Auto() { Id = fahrzeugDTO.Id, Name = fahrzeugDTO.Name, };
+                return auto;
+            case "Motorrad":
+                var motorrad = new Motorrad() { Id = fahrzeugDTO.Id, Name = fahrzeugDTO.Name, };
+                return motorrad;
+            case "Fahrrad":
+                var fahrrad = new Fahrrad() { Id = fahrzeugDTO.Id, Name = fahrzeugDTO.Name, };
+                return fahrrad;
+        }
+        throw new Exception($"Unbekannter FahrzeugTyp: {fahrzeugDTO.Typ}");
+    }
+}

FahzeugWPF/FahzeugWPF.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="appsettings.json" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FahrzeugDatenBank\FahrzeugDatenBank.csproj" />
+  </ItemGroup>
+
+</Project>

FahzeugWPF/IKonfigurationsleser.cs

@@ -0,0 +1,7 @@
+namespace FahzeugWPF
+{
+    public interface IKonfigurationsleser
+    {
+        string LiesDBVerebindung();
+    }
+}

FahzeugWPF/Konfigurationsleser.cs

@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Configuration;
+
+namespace FahzeugWPF;
+
+public class Konfigurationsleser : IKonfigurationsleser
+{
+    private readonly IConfiguration _configuration;
+
+    public Konfigurationsleser(IConfiguration configuration)
+    {
+        this._configuration = configuration;
+    }
+
+    public string LiesDBVerebindung()
+    {
+        return _configuration.GetConnectionString("MariaDB");
+    }
+}

FahzeugWPF/MainWindow.xaml

@@ -0,0 +1,25 @@
+<Window x:Class="FahzeugWPF.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:FahzeugWPF"
+        mc:Ignorable="d"
+        d:DataContext="{d:DesignInstance Type=local:MainWindowViewModel, IsDesignTimeCreatable=False}"
+        Title="Fahrzeuge" Height="450" Width="800">
+    <StackPanel>
+        <DataGrid Name="dgTest"
+                  CanUserAddRows="False"
+                  CanUserDeleteRows="False"
+                  CanUserSortColumns="True"
+                  IsReadOnly="True"
+                  AutoGenerateColumns="False"
+                  ItemsSource="{Binding Path=Fahrzeuge}">
+            <DataGrid.Columns>
+                <DataGridTextColumn Header="ID" Binding="{Binding Path=Id}"/>
+                <DataGridTextColumn Header="Name" Binding="{Binding Path=Name}"/>
+            </DataGrid.Columns>
+
+        </DataGrid>
+    </StackPanel>
+</Window>

FahzeugWPF/MainWindow.xaml.cs

@@ -0,0 +1,24 @@
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace FahzeugWPF
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}

FahzeugWPF/MainWindowViewModel.cs

@@ -0,0 +1,26 @@
+using FahrzeugDatenBank;
+using System.Collections.ObjectModel;
+
+namespace FahzeugWPF;
+
+class MainWindowViewModel
+{
+    private readonly FahrzeugeModell _model;
+
+    public MainWindowViewModel(FahrzeugeModell modell)
+    {
+        this._model = modell;
+        this.InitialisiereDasViewModell();
+    }
+
+    public ObservableCollection<Fahrzeug> Fahrzeuge { get; } = new ObservableCollection<Fahrzeug>();
+
+    private async void InitialisiereDasViewModell()
+    {
+        var fahrzeuge = await _model.LadeAlleFahrzeuge();
+        foreach (var fahrzeug in fahrzeuge)
+        {
+            this.Fahrzeuge.Add(fahrzeug);
+        }
+    }
+}

FahzeugWPF/appsettings.json

@@ -0,0 +1,5 @@
+{
+  "ConnectionStrings": {
+    "MariaDB": "Server=localhost;User ID=admin;Password=admin;Database=FahrzeugDB"
+  }
+}

Multi/Program.cs

@@ -58,6 +58,11 @@ async Task<string> Methode2()
     return await Task.Run(() => Arbeiten1("Methode2"));
 }
 
-Methode();
+Task task = Methode();
-Methode1();
+var task1 = Methode1();
-Methode2();
+var task2 = Methode2();
+
+await task;
+await task1;
+await task2;
+

Ubung.sln

@@ -15,6 +15,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Multi", "Multi\Multi.csproj
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FahrzeugDatenBankTest", "FahrzeugDatenBankTest\FahrzeugDatenBankTest.csproj", "{9C442F96-64F6-4CEA-AB7F-2B28BF578471}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FahzeugWPF", "FahzeugWPF\FahzeugWPF.csproj", "{BB365A73-CB9B-471A-BDBE-02843D8C72A3}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{9C442F96-64F6-4CEA-AB7F-2B28BF578471}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9C442F96-64F6-4CEA-AB7F-2B28BF578471}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9C442F96-64F6-4CEA-AB7F-2B28BF578471}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BB365A73-CB9B-471A-BDBE-02843D8C72A3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BB365A73-CB9B-471A-BDBE-02843D8C72A3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BB365A73-CB9B-471A-BDBE-02843D8C72A3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BB365A73-CB9B-471A-BDBE-02843D8C72A3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE