Datenbank mit Test/Beispiel

GottfriedsNackenWebseite/DataAccess/Data/IUserData.cs

@@ -0,0 +1,12 @@
+using DataAccess.Models;
+
+namespace DataAccess.Data;
+
+public interface IUserData
+{
+    Task<IEnumerable<UserModel>> GetUsers();
+    Task<UserModel?> GetUser(int id);
+    Task InsertUser(UserModel user);
+    Task UpdateUser(UserModel user);
+    Task DeleteUser(int id);
+}

GottfriedsNackenWebseite/DataAccess/Data/UserData.cs

@@ -0,0 +1,43 @@
+using DataAccess.DbAccess;
+using DataAccess.Models;
+
+namespace DataAccess.Data;
+
+public class UserData : IUserData
+{
+    private readonly ISqlDataAccess _db;
+
+    public UserData(ISqlDataAccess db)
+    {
+        _db = db;
+    }
+
+    public Task<IEnumerable<UserModel>> GetUsers()
+    {
+        return _db.LoadData<UserModel, dynamic>("dbo.spUser_GetAll", new { });
+    }
+
+    public async Task<UserModel?> GetUser(int id)
+    {
+        IEnumerable<UserModel> results = await _db.LoadData<UserModel, dynamic>(
+            "dbo.spUser_Get", 
+            new { Id = id });
+
+        return results.FirstOrDefault();
+    }
+
+    public Task InsertUser(UserModel user)
+    {
+        return _db.SaveData("dbo.spUser_Insert", new { user.FirstName, user.LastName });
+    }
+
+    public Task UpdateUser(UserModel user)
+    {
+        return _db.SaveData("dbo.spUser_Update", user);
+    }
+
+    public Task DeleteUser(int id)
+    {
+        return _db.SaveData("dbo.spUser_Delete", new { Id = id });
+    }
+}

GottfriedsNackenWebseite/DataAccess/DataAccess.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.0.123" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="6.0.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.3" />
+  </ItemGroup>
+
+</Project>

GottfriedsNackenWebseite/DataAccess/DbAccess/ISqlDataAccess.cs

@@ -0,0 +1,33 @@
+namespace DataAccess.DbAccess;
+
+/// <summary>
+/// Stellt Methoden zur Ausführung von CRUD-Operationen bereit.
+/// </summary>
+public interface ISqlDataAccess
+{
+    /// <summary>
+    /// Liest Daten aus der Datenbank (Read Operationen).
+    /// </summary>
+    /// <typeparam name="TData">Typ der Objekte die zurückgegeben werden.</typeparam>
+    /// <typeparam name="TParam">Typ des Objekts das die Parameter für die SQL-Query enthält.</typeparam>
+    /// <param name="storedProcedureName">Name der StoredProcedure die ausgeführt werden soll.</param>
+    /// <param name="parameters">Das Objekt das die Parameter enthält.</param>
+    /// <param name="connectionId">Der Name des ConnectionStrings der für die Verbindung verwendet werden soll.</param>
+    /// <returns>Die Ergebnisse der Anfrage.</returns>
+    Task<IEnumerable<TData>> LoadData<TData, TParam>(
+        string storedProcedureName,
+        TParam parameters,
+        string connectionId = "Default");
+
+    /// <summary>
+    /// Führt eine SQL-Anfrage aus, die keinen Rückgabewert hat (Create, Update und Delete Operationen).
+    /// </summary>
+    /// <typeparam name="TParam">Typ des Objekts das die Parameter für die SQL-Query enthält.</typeparam>
+    /// <param name="storedProcedureName">Name der StoredProcedure die ausgeführt werden soll.</param>
+    /// <param name="parameters">Das Objekt das die Parameter enthält.</param>
+    /// <param name="connectionId">Der Name des ConnectionStrings der für die Verbindung verwendet werden soll.</param>
+    Task SaveData<TParam>(
+        string storedProcedureName,
+        TParam parameters,
+        string connectionId = "Default");
+}

GottfriedsNackenWebseite/DataAccess/DbAccess/SqlDataAccess.cs

@@ -0,0 +1,38 @@
+using Dapper;
+using Microsoft.Extensions.Configuration;
+using System.Data;
+using System.Data.SqlClient;
+
+namespace DataAccess.DbAccess;
+
+public class SqlDataAccess : ISqlDataAccess
+{
+    private readonly IConfiguration _config;
+
+    public SqlDataAccess(IConfiguration config)
+    {
+        _config = config;
+    }
+
+    public async Task<IEnumerable<TData>> LoadData<TData, TParam>(
+        string storedProcedureName,
+        TParam parameters,
+        string connectionId = "Default")
+    {
+        using IDbConnection connection = new SqlConnection(_config.GetConnectionString(connectionId));
+
+        return await connection.QueryAsync<TData>(storedProcedureName, parameters,
+            commandType: CommandType.StoredProcedure);
+    }
+
+    public async Task SaveData<TParam>(
+        string storedProcedureName,
+        TParam parameters,
+        string connectionId = "Default")
+    {
+        using IDbConnection connection = new SqlConnection(_config.GetConnectionString(connectionId));
+
+        await connection.ExecuteAsync(storedProcedureName, parameters,
+            commandType: CommandType.StoredProcedure);
+    }
+}

GottfriedsNackenWebseite/DataAccess/Models/UserModel.cs

@@ -0,0 +1,8 @@
+namespace DataAccess.Models;
+
+public class UserModel
+{
+    public int Id { get; set; }
+    public string FirstName { get; set; } = string.Empty;
+    public string LastName { get; set; } = string.Empty;
+}

GottfriedsNackenWebseite/GottfriedsNackenDB/GottfriedsNackenDB.sqlproj

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <Name>GottfriedsNackenDB</Name>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectVersion>4.1</ProjectVersion>
+    <ProjectGuid>{79f8ac31-e467-4f7c-ac3b-cfadc3290750}</ProjectGuid>
+    <DSP>Microsoft.Data.Tools.Schema.Sql.Sql130DatabaseSchemaProvider</DSP>
+    <OutputType>Database</OutputType>
+    <RootPath>
+    </RootPath>
+    <RootNamespace>GottfriedsNackenDB</RootNamespace>
+    <AssemblyName>GottfriedsNackenDB</AssemblyName>
+    <ModelCollation>1033, CI</ModelCollation>
+    <DefaultFileStructure>BySchemaAndSchemaType</DefaultFileStructure>
+    <DeployToDatabase>True</DeployToDatabase>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetLanguage>CS</TargetLanguage>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <SqlServerVerification>False</SqlServerVerification>
+    <IncludeCompositeObjects>True</IncludeCompositeObjects>
+    <TargetDatabaseSet>True</TargetDatabaseSet>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <OutputPath>bin\Release\</OutputPath>
+    <BuildScriptName>$(MSBuildProjectName).sql</BuildScriptName>
+    <TreatWarningsAsErrors>False</TreatWarningsAsErrors>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <DefineDebug>false</DefineDebug>
+    <DefineTrace>true</DefineTrace>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <OutputPath>bin\Debug\</OutputPath>
+    <BuildScriptName>$(MSBuildProjectName).sql</BuildScriptName>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <DefineDebug>true</DefineDebug>
+    <DefineTrace>true</DefineTrace>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">11.0</VisualStudioVersion>
+    <!-- Default to the v11.0 targets path if the targets file for the current VS version is not found -->
+    <SSDTExists Condition="Exists('$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets')">True</SSDTExists>
+    <VisualStudioVersion Condition="'$(SSDTExists)' == ''">11.0</VisualStudioVersion>
+  </PropertyGroup>
+  <Import Condition="'$(SQLDBExtensionsRefPath)' != ''" Project="$(SQLDBExtensionsRefPath)\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
+  <Import Condition="'$(SQLDBExtensionsRefPath)' == ''" Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
+  <ItemGroup>
+    <Folder Include="Properties" />
+    <Folder Include="dbo" />
+    <Folder Include="dbo\Tables" />
+    <Folder Include="dbo\StoredProcedures" />
+  </ItemGroup>
+  <ItemGroup>
+    <Build Include="dbo\Tables\User.sql" />
+    <Build Include="dbo\StoredProcedures\spUser_GetAll.sql" />
+    <Build Include="dbo\StoredProcedures\spUser_Get.sql" />
+    <Build Include="dbo\StoredProcedures\spUser_Delete.sql" />
+    <Build Include="dbo\StoredProcedures\spUser_Insert.sql" />
+    <Build Include="dbo\StoredProcedures\spUser_Update.sql" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="GottfriedsNackenDB.publish.xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <PostDeploy Include="Script.PostDeployment.sql" />
+  </ItemGroup>
+</Project>

GottfriedsNackenWebseite/GottfriedsNackenDB/Script.PostDeployment.sql

@@ -0,0 +1,10 @@
+/* Wird nur ausgeführt, wenn es keine Einträge in [dbo].[User] */
+IF not exists (SELECT 1 FROM [dbo].[User])
+BEGIN
+	INSERT INTO [dbo].[User] (FirstName, LastName)
+	VALUES
+		('Gottfried Wilhelm', 'Leibniz'),
+		('Albert', 'Einstein'),
+		('Curry', 'Wurst'),
+		('Brat', 'Wurst')
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/StoredProcedures/spUser_Delete.sql

@@ -0,0 +1,8 @@
+CREATE PROCEDURE [dbo].[spUser_Delete]
+	@Id int
+AS
+BEGIN
+	DELETE
+	FROM [dbo].[User]
+	WHERE Id = @Id;
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/StoredProcedures/spUser_Get.sql

@@ -0,0 +1,8 @@
+CREATE PROCEDURE [dbo].[spUser_Get]
+	@Id int
+AS
+BEGIN
+	SELECT Id, FirstName, LastName
+	FROM [dbo].[User]
+	WHERE Id = @Id;
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/StoredProcedures/spUser_GetAll.sql

@@ -0,0 +1,6 @@
+CREATE PROCEDURE [dbo].[spUser_GetAll]
+AS
+BEGIN
+	SELECT Id, FirstName, LastName
+	FROM [dbo].[User];
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/StoredProcedures/spUser_Insert.sql

@@ -0,0 +1,8 @@
+CREATE PROCEDURE [dbo].[spUser_Insert]
+	@FirstName nvarchar(50),
+	@LastName nvarchar(50)
+AS
+BEGIN
+	INSERT INTO [dbo].[User] (FirstName, LastName)
+	VALUES (@FirstName, @LastName);
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/StoredProcedures/spUser_Update.sql

@@ -0,0 +1,10 @@
+CREATE PROCEDURE [dbo].[spUser_Update]
+	@Id int,
+	@FirstName nvarchar(50),
+	@LastName nvarchar(50)
+AS
+BEGIN
+	UPDATE [dbo].[User]
+	SET FirstName = @FirstName, LastName = @LastName
+	WHERE Id = @Id;
+END

GottfriedsNackenWebseite/GottfriedsNackenDB/dbo/Tables/User.sql

@@ -0,0 +1,6 @@
+CREATE TABLE [dbo].[User]
+(
+	[Id] INT NOT NULL PRIMARY KEY IDENTITY, 
+    [FirstName] NVARCHAR(50) NOT NULL,
+    [LastName] NVARCHAR(50) NOT NULL
+)

GottfriedsNackenWebseite/GottfriedsNackenUtility/GottfriedsNackenUtility.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

GottfriedsNackenWebseite/GottfriedsNackenUtility/MathHelper.cs

@@ -0,0 +1,32 @@
+using System.Numerics;
+
+namespace GottfriedsNackenUtility;
+
+/// <summary>
+/// Bietet nütliche mathematische Funktionen.
+/// </summary>
+public static class MathHelper
+{
+    /// <summary>
+    /// Enumeriert die Zahlen der Fibonacci-Folge.
+    /// </summary>
+    /// <remarks>
+    /// Der Datentyp ist <see cref="BigInteger"/>, da es ein paar Fibonacci-Zahlen gibt die nicht von <see cref="int"/> dargestellt werden können.
+    /// </remarks>
+    public static IEnumerable<BigInteger> Fibonacci()
+    {
+        BigInteger i = 0;
+        BigInteger j = 1;
+
+        while (true)
+        {
+            BigInteger fib = i + j;
+
+            i = j;
+            j = fib;
+
+            yield return fib;
+        }
+    }
+}
+

GottfriedsNackenWebseite/GottfriedsNackenUtility/SusHelper.cs

@@ -0,0 +1,42 @@
+using System.Numerics;
+
+namespace GottfriedsNackenUtility;
+
+/// <summary>
+/// Hier sind suspiziöse Funktionen versteckt.
+/// </summary>
+public static class SusHelper
+{
+    /// <summary>
+    /// Dies ist der ausgeklügelste fake-Fortschrittbalkensalgorithmus den die Welt je erblickt hat.
+    /// </summary>
+    /// <remarks>
+    /// Dieser Task läuft in einer Endlosschleife und MUSS mit Hilfe des Abbruchtokens abgebrochen werden!
+    /// </remarks>
+    /// <param name="progressChangedCallback">Das callback das aufgerufen wird, wenn der Fortschritt sich geändert hat.
+    /// Gibt einen Int zwischen 0 und 100 zurück oder -1, wenn der Fortschrittsbalken auf einen "indefinite" Zustand wechseln soll.</param>
+    /// <param name="cancellationToken">Ein Abbruchtoken, das beim Warten auf den Abschluss der Aufgabe überwacht werden soll.</param>
+    public static async Task UpdateDefinitelyNotFakeProgress(Action<int> progressChangedCallback, CancellationToken cancellationToken)
+    {
+        try
+        {
+            foreach (BigInteger fibonacci in MathHelper.Fibonacci())
+            {
+                await Task.Delay(250 + (int)(fibonacci % 420), cancellationToken);
+
+                if (cancellationToken.IsCancellationRequested)
+                    break;
+
+                if (fibonacci.IsEven && (int)(fibonacci % 42) == 0)
+                {
+                    progressChangedCallback(-1);
+                    await Task.Delay(1337, cancellationToken);
+                    continue;
+                }
+
+                progressChangedCallback((int)(fibonacci % 69));
+            }
+        }
+        catch (TaskCanceledException) { }
+    }
+}

GottfriedsNackenWebseite/GottfriedsNackenWebseite.sln

@@ -5,6 +5,12 @@ VisualStudioVersion = 17.1.32210.238
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GottfriedsNackenWebseite", "GottfriedsNackenWebseite\GottfriedsNackenWebseite.csproj", "{464DD643-DAD9-4E16-BB24-36F789ED4C15}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GottfriedsNackenUtility", "GottfriedsNackenUtility\GottfriedsNackenUtility.csproj", "{0122762F-9961-4D28-8AA9-0D6AE7630208}"
+EndProject
+Project("{00D1A9C2-B5F0-4AF3-8072-F6C62B433612}") = "GottfriedsNackenDB", "GottfriedsNackenDB\GottfriedsNackenDB.sqlproj", "{79F8AC31-E467-4F7C-AC3B-CFADC3290750}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataAccess", "DataAccess\DataAccess.csproj", "{023715EE-C9DB-417F-9B77-28BF48A30D41}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +21,20 @@ Global
 		{464DD643-DAD9-4E16-BB24-36F789ED4C15}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{464DD643-DAD9-4E16-BB24-36F789ED4C15}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{464DD643-DAD9-4E16-BB24-36F789ED4C15}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0122762F-9961-4D28-8AA9-0D6AE7630208}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0122762F-9961-4D28-8AA9-0D6AE7630208}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0122762F-9961-4D28-8AA9-0D6AE7630208}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0122762F-9961-4D28-8AA9-0D6AE7630208}.Release|Any CPU.Build.0 = Release|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Release|Any CPU.Build.0 = Release|Any CPU
+		{79F8AC31-E467-4F7C-AC3B-CFADC3290750}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{023715EE-C9DB-417F-9B77-28BF48A30D41}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{023715EE-C9DB-417F-9B77-28BF48A30D41}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{023715EE-C9DB-417F-9B77-28BF48A30D41}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{023715EE-C9DB-417F-9B77-28BF48A30D41}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Components/WordleComponent.razor

@@ -1,15 +1,25 @@
 @using System.Diagnostics
 
 <!-- Hidden Alerts -->
-<div hidden="@hideAlert">
+<div hidden="@(_alert == AlertState.None)">
     <MudContainer MaxWidth="MaxWidth.Small">
         <MudGrid>
             <MudItem xs="1"></MudItem>
             <MudItem xs="8">
+                @if (_alert == AlertState.Correct)
+                {
                     <MudAlert Severity="Severity.Success">Korrekt!</MudAlert>
+                }
+                else if (_alert == AlertState.Invalid)
+                {
+                    <MudAlert Severity="Severity.Error">Eingabe ungültig!</MudAlert>
+                }
             </MudItem>
             <MudItem xs="2">
-                <MudIconButton Icon="@Icons.Filled.Replay" Color="Color.Primary" aria-label="nochmal spielen" OnClick="@PlayAgain"></MudIconButton>
+                @if (_alert == AlertState.Correct)
+                {
+                    <MudIconButton Icon="@Icons.Filled.Replay" Color="Color.Primary" aria-label="nochmal spielen" OnClick="@PlayAgain" />
+                }
             </MudItem>
             <MudItem xs="1"></MudItem>
         </MudGrid>
@@ -19,7 +29,7 @@
 <!-- Matrix mit Buchstabenfeldern -->
 <div class="d-flex justify-center mt-2 mb-2">
     <div>
-        @foreach (CharData[] guess in PreviousGuesses)
+        @foreach (CharData[] guess in _previousGuesses)
         {
             <div class="d-flex mb-2">
                 @foreach (CharData cd in guess)
@@ -48,25 +58,35 @@
     </div>
 </div>
 
-<p>@Input</p>
+@*
-
+<MudTextField T="string" FullWidth="true" Immediate="true" @bind-Value="Input" Label="Bla" Variant="Variant.Outlined" MaxLength="ColumnCount" Counter="ColumnCount" />
+<MudTextField T="string" FullWidth="true" Immediate="true" @bind-Value="Input" Label="Blub" Variant="Variant.Outlined" MaxLength="ColumnCount" Counter="ColumnCount" />
+*@
 <!-- Input dialogue feld -->
-<MudContainer MaxWidth="MaxWidth.Small" @onkeyup="@Check4Enter">
+<MudContainer MaxWidth="MaxWidth.Small">
     <MudGrid Spacing="2">
-        <MudItem xs="1"></MudItem>
+        <MudItem xs="1" />
         <MudItem xs="8">
-            <MudTextField Class="" @ref="textField" T="string" FullWidth="true" Immediate="true" @bind-Value="@_input" Label="Dein Tipp:" Variant="Variant.Outlined" MaxLength="5" Mask="@InputMask" Counter="ColumnCount" />
+            <MudTextField @ref="_textField" T="string" FullWidth="true" Immediate="true" @bind-Value="Input" Label="Dein Tipp:" Variant="Variant.Outlined" MaxLength="ColumnCount" Mask="@InputMask" Counter="ColumnCount" OnKeyDown="OnKeyDown" />
+            @*<input Type="text" value="@Input"/>*@
         </MudItem>
         <MudItem xs="2">
-            <MudButton style="height: 56px; margin-top: 6px;" Class="justify-center" Disabled="_input.Length != ColumnCount"
+            <MudButton style="height: 56px; margin-top: 6px;" Class="justify-center" Disabled="Input.Length != ColumnCount"
-                       Size="Size.Large" Variant="Variant.Outlined" EndIcon="@Icons.Material.Filled.Send" Color="Color.Primary" OnClick=@ButtonOnClick>OK</MudButton>
+                       Size="Size.Large" Variant="Variant.Outlined" EndIcon="@Icons.Material.Filled.Send" Color="Color.Primary" OnClick=@OnEnterGuessClick>OK</MudButton>
         </MudItem>
-        <MudItem xs="1"></MudItem>
+        <MudItem xs="1" />
     </MudGrid>
 </MudContainer>
 
 @code {
 
+    private enum AlertState
+    {
+        None,
+        Correct,
+        Invalid
+    }
+
     public enum CharState
     {
         None,
@@ -87,111 +107,87 @@
         }
     }
 
-    private string _input = string.Empty;
+    private bool _found = false;
+
+    private AlertState _alert = AlertState.None;
+
+    private List<CharData[]> _previousGuesses = new();
+
+    private MudTextField<string> _textField = default!;
 
     [Parameter]
-    public string Input
+    public string Input { get; set; } = String.Empty;
-    {
-        get => _input;
-        set => _input = value;
-    }
-
-    public async Task SetText(string text)
-    {
-        textField.SetText(text);
-    }
-
-    public bool hideAlert = true;
-
-    public MudTextField<string> textField;
-
-    public List<CharData[]> PreviousGuesses = new();
-
-    private bool found = false;
-    private int _columnCount;
-    private string? _secret = null;
-    private IMask _inputMask = new RegexMask(@"^[A-Za-z]{0,5}$");
-    private Func<string, bool>? _checkInput;
-    private Func<string>? _generateSecret;
 
     [Parameter]
-    public int ColumnCount
+    public int ColumnCount { get; set; }
-    {
+
-        get => _columnCount;
+    public string? Secret { get; set; } = null;
-        set => _columnCount = value;
-    }
 
     [Parameter]
-    public string? Secret
+    public IMask InputMask { get; set; } = new RegexMask("^.*$");
-    {
-        get => _secret;
-        set => _secret = value;
-    }
 
+    /// <summary>
+    /// Prüft ob die getätigte Eingabe eine mögliche Lösung ist.
+    /// </summary>
     [Parameter]
-    public IMask InputMask
+    public Func<string, bool> CheckInput { get; set; } = _ => true;
-    {
-        get => _inputMask;
-        set => _inputMask = value;
-    }
-
-    [Parameter]
-    public Func<string, bool>? CheckInput
-    {
-        get => _checkInput;
-        set => _checkInput = value;
-    }
-
-    [Parameter]
-    public Func<string>? GenerateSecret
-    {
-        get => _generateSecret;
-        set => _generateSecret = value;
-    }
 
     /// <summary>
     /// Wird ausgelöst wenn eine Eingabe getätigt und validiert wurde.
     /// </summary>
-    public event EventHandler<CharData[]>? InputValidated;
+    [Parameter]
+    public EventCallback<CharData[]> InputValidated { get; set; }
 
-    public void Check4Enter(KeyboardEventArgs e)
+    /// <summary>
+    /// Wird ausgelöst wenn ein neues Secret generiert werden muss.
+    /// </summary>
+    [Parameter]
+    public EventCallback GenerateSecret { get; set; }
+
+    public async Task OnKeyDown(KeyboardEventArgs e)
     {
+        _alert = AlertState.None;
+
         if (e.Code == "Enter" || e.Code == "NumpadEnter")
         {
-            if(found)
+            if(_found)
             {
-                PlayAgain();
+                await PlayAgain();
             }
             else
             {
-                ButtonOnClick();   
+                await OnEnterGuessClick();   
             }
         }
     }
 
-    public void ButtonOnClick()
+    public async Task OnEnterGuessClick()
     {
-        if (Input.Length != ColumnCount || found) return;
+        if (Input.Length != ColumnCount || _found) return;
 
-        if (CheckInput != null && !CheckInput(Input))
+        if (!CheckInput(Input))
-            return; // TODO: Eingabe ungültig!
-
-        if (Secret == null && GenerateSecret != null)
-            Secret = GenerateSecret();
-
-        if(TestInput(Input))
         {
-            found = true;
+            _alert = AlertState.Invalid;
-            hideAlert = false;
+            StateHasChanged();
+            return;
         }
 
-        textField.Clear();
+        if (Secret == null)
+            await GenerateSecret.InvokeAsync();
+
+        if(await TestInput(Input))
+        {
+            _found = true;
+            _alert = AlertState.Correct;
+        }
+
+        await _textField.Clear();
     }
 
     /// <summary>
     /// Prüft ob die Eingabe korrekt ist.
     /// </summary>
-    private bool TestInput(string input)
+    private async Task<bool> TestInput(string input)
     {
         CharData[] validatedInput = new CharData[ColumnCount];
 
@@ -221,20 +217,19 @@
             validatedInput[i] = new CharData(guessedChar, state);
         }
 
-        PreviousGuesses.Add(validatedInput);
+        _previousGuesses.Add(validatedInput);
 
-        InputValidated?.Invoke(this, validatedInput);
+        await InputValidated.InvokeAsync(validatedInput);
 
         return correct;
     }
 
-    public void PlayAgain()
+    public async Task PlayAgain()
     {
-        PreviousGuesses.Clear();
+        _previousGuesses.Clear();
-        hideAlert = true;
+        _alert = AlertState.None;
-        found = false;
+        _found = false;
 
-        if (GenerateSecret != null)
+        await GenerateSecret.InvokeAsync();
-            Secret = GenerateSecret();
     }
 }

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Components/WordleKeyboardComponent.razor

@@ -1,5 +1,4 @@
-
+<!-- Matrix mit Buchstabenfeldern -->
-<!-- Matrix mit Buchstabenfeldern -->
 <div class="d-flex justify-center mt-2 mb-2">
     <div>
         @{
@@ -14,27 +13,29 @@
 
                         char upperKey = char.ToUpper(key);
                         
-                        if (_correctKeys.Contains(upperKey))
+                        _knownKeyStates.TryGetValue(upperKey, out var keyState);
+
+                        if (keyState == WordleComponent.CharState.Correct)
                         {
-                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Success" @onclick="() => ButtonPressed(key)">
+                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Success">
                                 <MudText Typo="Typo.h5">@upperKey</MudText>
                             </MudButton>
                         }
-                        else if (_misplacedKeys.Contains(upperKey))
+                        else if (keyState == WordleComponent.CharState.Misplaced)
                         {
-                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Warning" @onclick="() => ButtonPressed(key)">
+                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Warning">
                                 <MudText Typo="Typo.h5">@upperKey</MudText>
                             </MudButton>
                         }
-                        else if (_wrongKeys.Contains(upperKey))
+                        else if (keyState == WordleComponent.CharState.Wrong)
                         {
-                            <MudButton Disabled="true" Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Error" @onclick="() => ButtonPressed(key)">
+                            <MudButton Disabled="true" Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" Color="Color.Error">
                                 <MudText Typo="Typo.h5">@upperKey</MudText>
                             </MudButton>
                         }
                         else
                         {
-                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em" @onclick="() => ButtonPressed(key)">
+                            <MudButton Variant="Variant.Outlined" Class="mr-2" Style="width: 5em; height: 5em">
                                 <MudText Typo="Typo.h5">@upperKey</MudText>
                             </MudButton>
                         }
@@ -50,11 +51,7 @@
     [Parameter]
     public char[] Keys { get; set; } = Array.Empty<char>();
 
-    private List<char> _correctKeys = new();
+    private Dictionary<char, WordleComponent.CharState> _knownKeyStates = new();
-    
-    private List<char> _misplacedKeys = new();
-    
-    private List<char> _wrongKeys = new();
     
     [Parameter]
     public int KeysPerRow { get; set; } = 10;
@@ -69,4 +66,36 @@
     {
         await KeyPressed.InvokeAsync(c);
     }
+
+    public void UpdateKeyInfo(WordleComponent.CharData cd)
+    {
+        _knownKeyStates.TryGetValue(cd.Char, out var oldState);
+
+        WordleComponent.CharState newState = WordleComponent.CharState.None;
+        
+        switch (cd.State)
+        {
+            case WordleComponent.CharState.Correct:
+                newState = WordleComponent.CharState.Correct;
+                break;
+            case WordleComponent.CharState.Misplaced:
+                // Den besseren Zustand nicht durch schlechteren ersetzen
+                if (oldState != WordleComponent.CharState.Correct)
+                {
+                    newState = WordleComponent.CharState.Misplaced;
+                }
+                break;
+            case WordleComponent.CharState.Wrong:
+                newState = WordleComponent.CharState.Wrong;
+                break;
+        }
+
+        _knownKeyStates[cd.Char] = newState;
+    }
+
+    public void ResetKeyInfo()
+    {
+        _knownKeyStates.Clear();
+        StateHasChanged();
+    }
 }

GottfriedsNackenWebseite/GottfriedsNackenWebseite/GottfriedsNackenWebseite.csproj

@@ -17,4 +17,9 @@
     <PackageReference Include="MudBlazor" Version="6.0.7" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\DataAccess\DataAccess.csproj" />
+    <ProjectReference Include="..\GottfriedsNackenUtility\GottfriedsNackenUtility.csproj" />
+  </ItemGroup>
+
 </Project>

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Pages/DatabaseTest.razor

@@ -0,0 +1,96 @@
+@page "/databasetest"
+
+@using DataAccess.Data
+@using DataAccess.Models
+@inject IUserData _userData
+
+<PageTitle>Database Test</PageTitle>
+
+<MudContainer MaxWidth="MaxWidth.Small">
+    <MudTable Items="@_users" Hover="true" Breakpoint="Breakpoint.Sm" Loading="_loading">
+        <ToolBarContent>
+            <MudText Typo="Typo.h6">Nutzer</MudText>
+            <MudSpacer />
+            <MudIconButton Icon="@Icons.Material.Filled.Refresh" OnClick="RefreshUserList" />
+        </ToolBarContent>
+
+        <HeaderContent>
+            <MudTh>Id</MudTh>
+            <MudTh>First Name</MudTh>
+            <MudTh>Last Name</MudTh>
+            <MudTh/>
+        </HeaderContent>
+        <RowTemplate>
+            <MudTd DataLabel="Nr">@context.Id</MudTd>
+            <MudTd DataLabel="First Name">@context.FirstName</MudTd>
+            <MudTd DataLabel="Last Name">@context.LastName</MudTd>
+            <MudTd>
+                <MudIconButton Icon="@Icons.Material.Filled.Delete" OnClick="() => DeleteUser(context)" />
+            </MudTd>
+        </RowTemplate>
+
+        <PagerContent>
+            <MudTablePager/>
+        </PagerContent>
+    </MudTable>
+    
+    <MudPaper Class="pa-4 mt-2">
+        <MudForm @bind-IsValid="_newUserValid" >
+
+            <MudText Typo="Typo.h4">Neuen Nutzer erstellen:</MudText>
+            <MudTextField T="string" Label="Vorname" @bind-Value="_newUser.FirstName" Immediate="true" Required="true" RequiredError="Vorname muss angegeben werden!"/>
+            <MudTextField T="string" Label="Nachname" @bind-Value="_newUser.LastName" Immediate="true" Required="true" RequiredError="Nachname muss angegeben werden!"/>
+            <MudButton Class="mt-2" Variant="Variant.Filled" Color="Color.Primary" Disabled="!_newUserValid" OnClick="AddUser">Hinzufügen</MudButton>
+        </MudForm>
+    </MudPaper>
+
+</MudContainer>
+
+@code {
+    private bool _newUserValid;
+
+    private UserModel _newUser = new();
+
+    private bool _loading;
+
+    private IEnumerable<UserModel> _users = Enumerable.Empty<UserModel>();
+
+    protected override async Task OnInitializedAsync()
+    {
+        await RefreshUserList();
+
+        await base.OnInitializedAsync();
+    }
+
+    private async Task RefreshUserList()
+    {
+        _loading = true;
+
+        try
+        {
+            _users = await _userData.GetUsers();
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine($"Failed to load users. Exception: {e}");
+        }
+
+        _loading = false;
+    }
+
+    private async Task AddUser()
+    {
+        await _userData.InsertUser(_newUser);
+
+        await RefreshUserList();
+
+        _newUser = new UserModel();
+    }
+    
+    private async Task DeleteUser(UserModel user)
+    {
+        await _userData.DeleteUser(user.Id);
+        
+        await RefreshUserList();
+    }
+}

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Pages/Numberle.razor

@@ -1,29 +1,50 @@
 @page "/numberle"
 
 @using GottfriedsNackenWebseite.Components
-@using System.Diagnostics
 @using GottfriedsNackenWebseite.Numberle
+@using GottfriedsNackenUtility
+@using System.Diagnostics
+@using System.Numerics
 
 <PageTitle>Nacken Numberle</PageTitle>
 <MudText Align="Align.Center" Class="mt-2 mb-2"> Gebe eine (korrekte) mathematische Gleichung ein:</MudText>
 
-<WordleComponent ColumnCount="8" GenerateSecret="GenerateSecret" InputMask="@_inputMask" CheckInput="CheckInput" @ref="_wordle" />
+<WordleComponent ColumnCount="8" GenerateSecret="OnGenerateNewSecret" InputMask="@_inputMask" CheckInput="CheckInput" InputValidated="OnInputValidated" @ref="_wordle" />
 
-<WordleKeyboardComponent KeyPressed="KeyboardKeyPressed" Keys="Chars" />
+<WordleKeyboardComponent @ref="_keyboard" KeyPressed="KeyboardKeyPressed" Keys="Chars" />
+
+<MudOverlay @bind-Visible="_showLoadingOverlay" DarkBackground="true">
+    <MudCard>
+        <MudCardHeader>
+            <MudText Typo="Typo.h5">Bitte warten...</MudText>
+        </MudCardHeader>
+        <MudCardContent>
+            <MudText>Erzeuge eine unknackbare Formel mit roher Gewalt!</MudText>
+            <MudProgressLinear Color="Color.Secondary" Indeterminate="_progress < 0" Value="_progress" Class="my-7"/>
+        </MudCardContent>
+    </MudCard>
+</MudOverlay>
 
 @code
 {
-    private IMask _inputMask = new RegexMask(@"^[0-9+\-*/=]{0,8}$");
+    private static readonly IMask _inputMask = new RegexMask(@"^[0-9+\-*/=]{0,8}$");
 
-    private Parser _parser = new();
+    private readonly Parser _parser = new();
 
-    private WordleComponent _wordle;
+    private WordleComponent _wordle = default!;
+    private WordleKeyboardComponent _keyboard = default!;
+
+    private bool _showLoadingOverlay;
+    private int _progress;
 
     protected override async Task OnInitializedAsync()
     {
         await base.OnInitializedAsync();
     }
 
+    /// <summary>
+    /// Prüft ob input eine gültige Gleichung ist.
+    /// </summary>
     private bool CheckInput(string input)
     {
         try
@@ -36,7 +57,7 @@
 
             (decimal value, int equalSigns) = CrunchyValidaty(ast);
 
-            // Wir akzeptieren nur, wenn es exakt ein Gleichheitszeichen gibt und diese erfüllt ist.
+            // Wir akzeptieren nur, wenn es exakt ein Gleichheitszeichen gibt und die Gleichung erfüllt ist.
             return value == 1 && equalSigns == 1;
         }
         catch
@@ -84,12 +105,55 @@
         return (0, 0);
     }
 
+    /// <summary>
+    /// Die Zeichen aus denen eine Antwort besteht.
+    /// </summary>
     private static readonly char[] Chars = {
         '=', '+', '-', '*', '/',
         '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
     };
 
-    private string GenerateSecret()
+    /// <summary>
+    /// Generiert ein neues Geheimnis und zeigt während dessen den Ladebalken an.
+    /// </summary>
+    /// <returns></returns>
+    private async Task OnGenerateNewSecret()
+    {
+        _keyboard.ResetKeyInfo();
+
+        CancellationTokenSource cts = new CancellationTokenSource();
+
+        Task? amazingTask = null;
+
+        try
+        {
+            // Ladebalkenaktualisierer starten
+            amazingTask = SusHelper.UpdateDefinitelyNotFakeProgress(progress =>
+            {
+                _progress = progress;
+                StateHasChanged();
+            }, cts.Token);
+
+            _showLoadingOverlay = true;
+
+            _wordle.Secret = await Task.Run(GenerateFormula);
+
+            _showLoadingOverlay = false;
+        }
+        finally
+        {
+            // Ladebalkenaktualisierer stoppen
+            cts.Cancel();
+            if (amazingTask != null)
+                await amazingTask;
+        }
+    }
+
+    /// <summary>
+    /// Erzeugt eine neue (gültige) Formel.
+    /// </summary>
+    /// <returns>Die Formel</returns>
+    private string GenerateFormula()
     {
         int charCount = 8;
 
@@ -99,6 +163,8 @@
         int equalsIndex = Random.Shared.Next(1, charCount - 1);
         formula[equalsIndex] = '=';
 
+        // Ersetzt das Zeichen mit Index "index" durch einen Zufälligen wert.
+        // TODO: ein etwas gewiefterer Algorithmus würde nicht schaden.
         void PlaceRandomChar(int index)
         {
             char left = (index > 0) ? formula[index - 1] : '\0';
@@ -127,13 +193,26 @@
                 Debug.WriteLine(str);
 
                 if (CheckInput(str))
+                {
                     return str;
                 }
             }
         }
+    }
 
     private async Task KeyboardKeyPressed(char key)
     {
-        await _wordle.SetText(_wordle.Input + key); //Input += key;
+        // TODO: Virtuelles Keyboard
+        //await _wordle.SetText(_wordle.Input + key); //Input += key;
+        await Task.CompletedTask;
+    }
+
+    private void OnInputValidated(WordleComponent.CharData[] data)
+    {
+        // Auswertung in das Keyboard packen
+        foreach (WordleComponent.CharData cd in data)
+        {
+            _keyboard.UpdateKeyInfo(cd);    
+        }
     }
 }

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Program.cs

@@ -1,3 +1,5 @@
+using DataAccess.Data;
+using DataAccess.DbAccess;
 using GottfriedsNackenWebseite.Data;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
@@ -11,6 +13,9 @@ builder.Services.AddServerSideBlazor();
 builder.Services.AddSingleton<WeatherForecastService>();
 builder.Services.AddMudServices();
 
+builder.Services.AddSingleton<ISqlDataAccess, SqlDataAccess>();
+builder.Services.AddSingleton<IUserData, UserData>();
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.

GottfriedsNackenWebseite/GottfriedsNackenWebseite/Shared/NavMenu.razor

@@ -23,6 +23,9 @@
     <MudNavLink Href="numberle" Match=NavLinkMatch.Prefix>
         Nacken Numberle
     </MudNavLink>
+    <MudNavLink Href="databasetest" Match=NavLinkMatch.Prefix>
+        Datenbank Test
+    </MudNavLink>
 </MudNavMenu>
 @*
 <div class="top-row ps-3 navbar navbar-dark">

GottfriedsNackenWebseite/GottfriedsNackenWebseite/appsettings.Development.json

@@ -5,5 +5,5 @@
             "Default": "Information",
             "Microsoft.AspNetCore": "Warning"
         }
-  }
+    },
 }

GottfriedsNackenWebseite/GottfriedsNackenWebseite/appsettings.json

@@ -5,5 +5,8 @@
             "Microsoft.AspNetCore": "Warning"
         }
     },
-  "AllowedHosts": "*"
+    "AllowedHosts": "*",
+    "ConnectionStrings": {
+        "Default": "PLACEHOLDER"
+    }
 }