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krevetka
2026-03-11 22:08:42 +01:00
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HCI_TaskTracker.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.14.36908.2
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HCI_TaskTracker", "HCI_TaskTracker\HCI_TaskTracker.csproj", "{EDA1B770-1AD9-448F-8DBB-C7E99121B678}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{EDA1B770-1AD9-448F-8DBB-C7E99121B678}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {1E8CB369-9EBE-4C00-901F-F33C327D5527}
EndGlobalSection
EndGlobal

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HCI_TaskTracker/ActivityLog.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HCI_TaskTracker
{
public class ActivityLog
{
public int Id { get; set; }
public string Action { get; set; }
public DateTime Timestamp { get; set; }
public int UserId { get; set; }
}
}

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HCI_TaskTracker/AdminView.xaml Normal file
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<UserControl x:Class="HCI_TaskTracker.AdminView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<DataGrid x:Name="GridUsers"
AutoGenerateColumns="False"
CanUserAddRows="False">
<DataGrid.Columns>
<DataGridTextColumn Header="ID" Binding="{Binding Id}" Width="60"/>
<DataGridTextColumn Header="Username" Binding="{Binding Username}" Width="200"/>
<DataGridTextColumn Header="Password" Binding="{Binding Password}" Width="150"/>
<DataGridTextColumn Header="Role" Binding="{Binding Role}" Width="100"/>
<DataGridTemplateColumn Header="X" Width="40">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="X" Tag="{Binding}" Click="Delete_Click"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10,0,0">
<TextBox x:Name="NewUsername" Width="150" Margin="0,0,10,0"/>
<TextBox x:Name="NewPassword" Width="150" Margin="0,0,10,0"/>
<TextBox x:Name="NewRole" Width="100" Margin="0,0,10,0"/>
<Button Content="Hinzufügen" Click="Add_Click"/>
</StackPanel>
</Grid>
</UserControl>

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using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
namespace HCI_TaskTracker
{
public partial class AdminView : UserControl
{
string ConnStr = "server=mysql.pb.bib.de;uid=pba3h24abd;pwd=a2UJEGJtjrsb;database=pba3h24abd_TaskTracker";
public AdminView()
{
InitializeComponent();
LoadUsers();
}
void LoadUsers()
{
var list = new List<UserRow>();
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "SELECT id, username, password, role FROM users ORDER BY id DESC;";
using var cmd = new MySqlCommand(sql, conn);
using var r = cmd.ExecuteReader();
while (r.Read())
{
list.Add(new UserRow
{
Id = r.GetInt32("id"),
Username = r.GetString("username"),
Password = r.GetString("password"),
Role = r.GetString("role")
});
}
GridUsers.ItemsSource = list;
Console.WriteLine("Users loaded.");
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Load Users): " + ex.Message);
}
}
private void Delete_Click(object sender, RoutedEventArgs e)
{
if ((sender as FrameworkElement)?.Tag is not UserRow u) return;
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "DELETE FROM users WHERE id=@id;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@id", u.Id);
cmd.ExecuteNonQuery();
Console.WriteLine("User deleted.");
LoadUsers();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Delete User): " + ex.Message);
}
}
public void Add_Click(object sender, RoutedEventArgs e)
{
string username = NewUsername.Text.Trim();
string password = NewPassword.Text.Trim();
string role = NewRole.Text.Trim();
if (username.Length < 3) return;
if (password.Length < 3) return;
if (role.Length < 3) return;
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "INSERT INTO users (username, password, role) VALUES (@u, @p, @r);";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@u", username);
cmd.Parameters.AddWithValue("@p", password);
cmd.Parameters.AddWithValue("@r", role);
cmd.ExecuteNonQuery();
Console.WriteLine("User added.");
NewUsername.Text = "";
NewPassword.Text = "";
NewRole.Text = "";
LoadUsers();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Add User): " + ex.Message);
}
}
}
}

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<Application x:Class="HCI_TaskTracker.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:HCI_TaskTracker"
StartupUri="MainWindow.xaml">
<Application.Resources>
</Application.Resources>
</Application>

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using System.Configuration;
using System.Data;
using System.Windows;
namespace HCI_TaskTracker
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
}
}

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HCI_TaskTracker/AssemblyInfo.cs Normal file
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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)
)]

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HCI_TaskTracker/Aufgabe.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HCI_TaskTracker
{
internal class Aufgabe
{
public int AufgabeID { get; set; }
public List<Task> Tasks { get; set; }
public int TeilnechmerId { get; set; }
public DateTime ErstellungsDatum { get; set; }
public DateTime AbgabefristDatum { get; set; }
}
}

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HCI_TaskTracker/DashboardView.xaml Normal file
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<UserControl x:Class="HCI_TaskTracker.DashboardView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid Margin="20">
<StackPanel>
<TextBlock Text="Dashboard" FontSize="24" FontWeight="Bold" Margin="0,0,0,20"/>
<TextBlock Text="Tasks:" FontSize="16"/>
<TextBlock x:Name="TasksCountText" FontSize="20" Margin="0,0,0,15"/>
<TextBlock Text="Habits:" FontSize="16"/>
<TextBlock x:Name="HabitsCountText" FontSize="20" Margin="0,0,0,15"/>
<TextBlock Text="Users:" FontSize="16"/>
<TextBlock x:Name="UsersCountText" FontSize="20" Margin="0,0,0,15"/>
<Button Content="Refresh" Width="100" Click="Refresh_Click"/>
</StackPanel>
</Grid>
</UserControl>

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using MySql.Data.MySqlClient;
using System;
using System.Windows;
using System.Windows.Controls;
namespace HCI_TaskTracker
{
public partial class DashboardView : UserControl
{
string ConnStr = "server=mysql.pb.bib.de;uid=pba3h24abd;pwd=a2UJEGJtjrsb;database=pba3h24abd_TaskTracker";
public DashboardView()
{
InitializeComponent();
LoadDashboard();
}
void LoadDashboard()
{
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sqlTasks = "SELECT COUNT(*) FROM tasks;";
using var cmdTasks = new MySqlCommand(sqlTasks, conn);
int tasksCount = Convert.ToInt32(cmdTasks.ExecuteScalar());
string sqlHabits = "SELECT COUNT(*) FROM habits;";
using var cmdHabits = new MySqlCommand(sqlHabits, conn);
int habitsCount = Convert.ToInt32(cmdHabits.ExecuteScalar());
string sqlUsers = "SELECT COUNT(*) FROM users;";
using var cmdUsers = new MySqlCommand(sqlUsers, conn);
int usersCount = Convert.ToInt32(cmdUsers.ExecuteScalar());
TasksCountText.Text = tasksCount.ToString();
HabitsCountText.Text = habitsCount.ToString();
UsersCountText.Text = usersCount.ToString();
Console.WriteLine("Dashboard loaded");
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Dashboard): " + ex.Message);
}
}
private void Refresh_Click(object sender, RoutedEventArgs e)
{
LoadDashboard();
}
}
}

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HCI_TaskTracker/HCI_TaskTracker.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<UseWPF>true</UseWPF>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.0" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0" />
<PackageReference Include="MySql.Data" Version="9.6.0" />
<PackageReference Include="MySqlConnector" Version="2.5.0" />
</ItemGroup>
</Project>

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HCI_TaskTracker/Habit.cs Normal file
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namespace HCI_TaskTracker
{
public class HabitRow
{
public int Id { get; set; }
public string Name { get; set; } = "";
public string Frequency { get; set; } = "";
public int UserId { get; set; }
}
}

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HCI_TaskTracker/HabitsView.xaml Normal file
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<UserControl x:Class="HCI_TaskTracker.HabitsView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<DataGrid x:Name="GridHabits"
AutoGenerateColumns="False"
CanUserAddRows="False">
<DataGrid.Columns>
<DataGridTextColumn Header="ID" Binding="{Binding Id}" Width="60"/>
<DataGridTextColumn Header="Name" Binding="{Binding Name}" Width="200"/>
<DataGridTextColumn Header="Frequency" Binding="{Binding Frequency}" Width="*"/>
<DataGridTemplateColumn Header="X" Width="40">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="X" Tag="{Binding}" Click="Delete_Click"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10,0,0">
<TextBox x:Name="NewName" Width="200" Margin="0,0,10,0"/>
<TextBox x:Name="NewFrequency" Width="200" Margin="0,0,10,0"/>
<Button Content="Hinzufügen" Click="Add_Click" />
</StackPanel>
</Grid>
</UserControl>

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HCI_TaskTracker/HabitsView.xaml.cs Normal file
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using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
namespace HCI_TaskTracker
{
public partial class HabitsView : UserControl
{
string ConnStr = "server=mysql.pb.bib.de;uid=pba3h24abd;pwd=a2UJEGJtjrsb;database=pba3h24abd_TaskTracker";
int currentUserId = 1;
public HabitsView()
{
InitializeComponent();
LoadHabits();
}
void LoadHabits()
{
var list = new List<HabitRow>();
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "SELECT id, name, frequency, user_id FROM habits WHERE user_id=@uid ORDER BY id DESC;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@uid", currentUserId);
using var r = cmd.ExecuteReader();
while (r.Read())
{
list.Add(new HabitRow
{
Id = r.GetInt32("id"),
Name = r.GetString("name"),
Frequency = r.GetString("frequency"),
UserId = r.GetInt32("user_id")
});
}
GridHabits.ItemsSource = list;
Console.WriteLine("Habits loaded");
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Load Habits): " + ex.Message);
}
}
private void Delete_Click(object sender, RoutedEventArgs e)
{
if ((sender as FrameworkElement)?.Tag is not HabitRow h)
{
return;
}
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "DELETE FROM habits WHERE id=@id;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@id", h.Id);
cmd.ExecuteNonQuery();
Console.WriteLine("Habit deleted.");
LoadHabits();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Delete Habit): " + ex.Message);
}
}
public void Add_Click(object sender, RoutedEventArgs e)
{
string name = NewName.Text.Trim();
string frequency = NewFrequency.Text.Trim();
if (name.Length < 3)
{
return;
}
if (frequency.Length < 3)
{
return;
}
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "INSERT INTO habits (name, frequency, user_id) VALUES (@n, @f, @uid);";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@n", name);
cmd.Parameters.AddWithValue("@f", frequency);
cmd.Parameters.AddWithValue("@uid", currentUserId);
cmd.ExecuteNonQuery();
Console.WriteLine("Habit added.");
NewName.Text = "";
NewFrequency.Text = "";
LoadHabits();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Add Habit): " + ex.Message);
}
}
}
}

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HCI_TaskTracker/MainWindow.xaml Normal file
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<Window x:Class="HCI_TaskTracker.MainWindow"
xmlns:views="clr-namespace:HCI_TaskTracker"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="600" Width="620">
<Grid>
<TabControl>
<TabItem Header="Dashboard">
<views:DashboardView/>
</TabItem>
<TabItem Header="Tasks">
<views:TasksView/>
</TabItem>
<TabItem Header="Habits">
<views:HabitsView/>
</TabItem>
<TabItem Header="Admin">
<views:AdminView/>
</TabItem>
</TabControl>
</Grid>
</Window>

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HCI_TaskTracker/MainWindow.xaml.cs Normal file
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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;
using MySqlConnector;
namespace HCI_TaskTracker
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
string ConnStr = "server=mysql.pb.bib.de;uid=pba3h24abd;pwd=a2UJEGJtjrsb;database=pba3h24abd_TaskTracker";
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
Console.WriteLine("Verbindung erfolgreich!");
}
catch (Exception ex)
{
Console.WriteLine("Fehler: " + ex.Message);
}
}
}
}

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HCI_TaskTracker/Task.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HCI_TaskTracker
{
internal class Task
{
public int TaskID { get; set; }
public string TaskBescreibung { get; set; }
}
}

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HCI_TaskTracker/TaskItem.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HCI_TaskTracker
{
public class TaskItem
{
public int Id { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public bool IsDone { get; set; }
public int UserId { get; set; }
}
}

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HCI_TaskTracker/TaskRow.cs Normal file
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namespace HCI_TaskTracker
{
public class TaskRow
{
public int Id { get; set; }
public string Title { get; set; } = "";
public string Description { get; set; } = "";
public bool IsDone { get; set; }
public int UserId { get; set; }
}
}

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HCI_TaskTracker/TasksView.xaml Normal file
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<UserControl x:Class="HCI_TaskTracker.TasksView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<DataGrid x:Name="GridTasks"
AutoGenerateColumns="False"
CanUserAddRows="False"
CurrentCellChanged="GridTasks_CurrentCellChanged">
<DataGrid.Columns>
<DataGridTextColumn Header="ID" Binding="{Binding Id}" Width="60"/>
<DataGridTextColumn Header="Title" Binding="{Binding Title}" Width="200"/>
<DataGridTextColumn Header="Description" Binding="{Binding Description}" Width="*"/>
<DataGridCheckBoxColumn Header="Done" Binding="{Binding IsDone, Mode=TwoWay}" Width="70"/>
<DataGridTemplateColumn Header="X" Width="40">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="X" Tag="{Binding}" Click="Delete_Click"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10,0,0">
<TextBox x:Name="NewTitle" Width="200" Margin="0,0,10,0"/>
<TextBox x:Name="NewDescription" Width="300" Margin="0,0,10,0"/>
<Button Content="Hinzufügen" Click="Add_Click" />
</StackPanel>
</Grid>
</UserControl>

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using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
namespace HCI_TaskTracker
{
public partial class TasksView : UserControl
{
string ConnStr = "server=mysql.pb.bib.de;uid=pba3h24abd;pwd=a2UJEGJtjrsb;database=pba3h24abd_TaskTracker";
int currentUserId = 1;
public TasksView()
{
InitializeComponent();
LoadTasks();
}
void LoadTasks()
{
var list = new List<TaskRow>();
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "SELECT id, title, description, is_done, user_id FROM tasks WHERE user_id=@uid ORDER BY id DESC;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@uid", currentUserId);
using var r = cmd.ExecuteReader();
while (r.Read())
{
list.Add(new TaskRow
{
Id = r.GetInt32("id"),
Title = r.GetString("title"),
Description = r.IsDBNull(r.GetOrdinal("description")) ? "" : r.GetString("description"),
IsDone = r.GetBoolean("is_done"),
UserId = r.GetInt32("user_id")
});
}
GridTasks.ItemsSource = list;
Console.WriteLine("Tasks loaded.");
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Load): " + ex.Message);
}
}
private void GridTasks_CurrentCellChanged(object sender, EventArgs e)
{
if (GridTasks.CurrentItem is not TaskRow t)
{
return;
}
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "UPDATE tasks SET is_done=@d WHERE id=@id;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@d", t.IsDone);
cmd.Parameters.AddWithValue("@id", t.Id);
cmd.ExecuteNonQuery();
Console.WriteLine("Task updated (done).");
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Update): " + ex.Message);
}
}
private void Delete_Click(object sender, RoutedEventArgs e)
{
if ((sender as FrameworkElement)?.Tag is not TaskRow t)
{
return;
}
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "DELETE FROM tasks WHERE id=@id;";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@id", t.Id);
cmd.ExecuteNonQuery();
Console.WriteLine("Task deleted.");
LoadTasks();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Delete): " + ex.Message);
}
}
public void Add_Click(object sender, RoutedEventArgs e)
{
string title = NewTitle.Text.Trim();
string description = NewDescription.Text.Trim();
if (title.Length < 3)
{
return;
}
try
{
using var conn = new MySqlConnection(ConnStr);
conn.Open();
string sql = "INSERT INTO tasks (title, description, is_done, user_id) VALUES (@t, @d, 0, @uid);";
using var cmd = new MySqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@t", title);
cmd.Parameters.AddWithValue("@d", description);
cmd.Parameters.AddWithValue("@uid", currentUserId);
cmd.ExecuteNonQuery();
Console.WriteLine("Task added.");
NewTitle.Text = "";
NewDescription.Text = "";
LoadTasks();
}
catch (Exception ex)
{
Console.WriteLine("DB Fehler (Add): " + ex.Message);
}
}
}
}

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HCI_TaskTracker/User.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HCI_TaskTracker
{
public class User
{
public int ID { get; set; }
public string Username { get; set; }
public string Password { get; set; }
public string Role { get; set; }
}
}

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HCI_TaskTracker/UserRow.cs Normal file
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namespace HCI_TaskTracker
{
public class UserRow
{
public int Id { get; set; }
public string Username { get; set; } = "";
public string Password { get; set; } = "";
public string Role { get; set; } = "";
}
}