[feat:] im- and export (pdf/json)

MainWindow.axaml

@@ -3,7 +3,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="spplus.MainWindow" WindowState="Maximized"
+        x:Class="spplus.MainWindow" WindowState="Maximized" Icon="res/logo.ico"
         Title="spplus">
     <Border>
         <Grid RowDefinitions="30,*">
@@ -196,8 +196,20 @@
                             </Grid>
                             <Line />
                             <Grid ColumnDefinitions="*,3*">
-                                <Label  Content="Maximale Sportkursanzahl pro Semester"></Label>
+                                <Label  Content="Maximale Sportkursanzahl Semester 1"></Label>
-                                <NumericUpDown Grid.Column="1" x:Name="NudSportMaxPerSemester" ValueChanged="NudSportMaxPerSemester_OnValueChanged"></NumericUpDown>
+                                <NumericUpDown Grid.Column="1" x:Name="NudSportMaxPerSemester1" ValueChanged="NudSportMaxPerSemester1_OnValueChanged"></NumericUpDown>
+                            </Grid>
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Maximale Sportkursanzahl Semester 2"></Label>
+                                <NumericUpDown Grid.Column="1" x:Name="NudSportMaxPerSemester2" ValueChanged="NudSportMaxPerSemester2_OnValueChanged"></NumericUpDown>
+                            </Grid>
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Maximale Sportkursanzahl Semester 3"></Label>
+                                <NumericUpDown Grid.Column="1" x:Name="NudSportMaxPerSemester3" ValueChanged="NudSportMaxPerSemester3_OnValueChanged"></NumericUpDown>
+                            </Grid>
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Maximale Sportkursanzahl Semester 4"></Label>
+                                <NumericUpDown Grid.Column="1" x:Name="NudSportMaxPerSemester4" ValueChanged="NudSportMaxPerSemester4_OnValueChanged"></NumericUpDown>
                             </Grid>
                         </StackPanel>
                     </Grid>
@@ -210,23 +222,43 @@
                             <Label FontSize="20" Content="Ergebnisse" VerticalContentAlignment="Center" />
                         </StackPanel>
                     </TabItem.Header>
-                    <Grid ColumnDefinitions="*,*" RowDefinitions="50,2*,*">
+                    <Grid ColumnDefinitions="*,*" RowDefinitions="100,2*,*">
-                        <ListBox Grid.RowSpan="2" x:Name="LbResult" Margin="0,10,10,10"></ListBox>
+                        <ListBox Grid.RowSpan="2" x:Name="LbResult" Margin="0,10,10,10" PointerPressed="LbResult_OnPointerPressed">
-                        <Grid Grid.Row="0" Grid.Column="1" Grid.ColumnDefinitions="*,*">
+                            <ListBox.ContextMenu>
-                            <Button Grid.Column="0" Margin="0,10,0,0" x:Name="BtnExportCoursePDF" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="BtnExportCoursePDF_OnClick" HorizontalContentAlignment="Center">
+                                <ContextMenu>
+                                    <MenuItem Header="Ändern" x:Name="MnuChange" />
+                                </ContextMenu>
+                            </ListBox.ContextMenu>
+                        </ListBox>
+                        <Grid Grid.Row="0" Grid.Column="1" RowDefinitions="*,*" ColumnDefinitions="*,*">
+                            <Button Grid.Row="0" Grid.Column="0" Margin="0,10,5,0" x:Name="BtnExportCoursePDF" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="BtnExportCoursePDF_OnClick" HorizontalContentAlignment="Center">
                                 <StackPanel Orientation="Horizontal">
                                     <LucideIcon Kind="FileText" Width="24" Height="24" />
                                     <Label Content="Export (PDF)..." VerticalContentAlignment="Center" FontSize="12"
                                            FontWeight="Bold" />
                                 </StackPanel>
                             </Button>
-                            <Button Grid.Column="1" Margin="5,10,0,0" x:Name="BtnExportCourseCSV" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="BtnExportCourseCSV_OnClick" HorizontalContentAlignment="Center">
+                            <Button Grid.Row="0" Grid.Column="1" Margin="5,10,0,0" x:Name="BtnExportCourseCSV" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="BtnExportCourseCSV_OnClick" HorizontalContentAlignment="Center">
                                 <StackPanel Orientation="Horizontal">
                                     <LucideIcon Kind="FileJson" Width="24" Height="24" />
                                     <Label Content="Export (CSV)..." VerticalContentAlignment="Center" FontSize="12"
                                            FontWeight="Bold" />
                                 </StackPanel>
                             </Button>
+                            <Button Grid.Row="1" Grid.Column="0" Margin="0,5,5,0" x:Name="BtnExportConfiguration" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="MnuExpSettings_OnClick" HorizontalContentAlignment="Center">
+                                <StackPanel Orientation="Horizontal">
+                                    <LucideIcon Kind="FileJson" Width="24" Height="24" />
+                                    <Label Content="Konfiguration exportieren..." VerticalContentAlignment="Center" FontSize="12"
+                                           FontWeight="Bold" />
+                                </StackPanel>
+                            </Button>
+                            <Button Grid.Row="1" Grid.Column="1" Margin="5,5,0,0" x:Name="BtnImportResults" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="MnuImpResult_OnClick" HorizontalContentAlignment="Center">
+                                <StackPanel Orientation="Horizontal">
+                                    <LucideIcon Kind="Import" Width="24" Height="24" />
+                                    <Label Content="Ergebnisse importieren..." VerticalContentAlignment="Center" FontSize="12"
+                                           FontWeight="Bold" />
+                                </StackPanel>
+                            </Button>
                         </Grid>
                         <ScrollViewer Grid.Row="1" Grid.Column="1" Margin="0,5,0,10" Background="#44CCCCCC">
                             <TextBlock x:Name="TbResultStatistics"></TextBlock>

MainWindow.axaml.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
@@ -12,6 +13,26 @@ public partial class MainWindow : Window
 {
     public static MainWindow Instance { get; set; }
     public static string ApplicationVersion = "v1.2.24";
+
+    private sealed class ResultEntry
+    {
+        public Student Student { get; }
+        public int Semester { get; }
+        public string CourseName { get; }
+
+        public ResultEntry(Student student, int semester, string? courseName)
+        {
+            Student = student;
+            Semester = semester;
+            CourseName = courseName ?? string.Empty;
+        }
+
+        public override string ToString()
+        {
+            return $"{Student.Name} ({Student.ID}) - {Semester}. Semester: {CourseName}";
+        }
+    }
+
     public MainWindow()
     {
         InitializeComponent();
@@ -20,13 +41,111 @@ public partial class MainWindow : Window
         RefreshCoursesList();
         try
         {
-            NudSportMaxPerSemester.Value = Settings.Instance.NumCoursesPerSemester;
+            NudSportMaxPerSemester1.Value = Settings.Instance.NumCoursesPerSemester[0];
+            NudSportMaxPerSemester2.Value = Settings.Instance.NumCoursesPerSemester[1];
+            NudSportMaxPerSemester3.Value = Settings.Instance.NumCoursesPerSemester[2];
+            NudSportMaxPerSemester4.Value = Settings.Instance.NumCoursesPerSemester[3];
         } catch {}
     }
 
-    private void MnuExpSettings_OnClick(object? sender, RoutedEventArgs e)
+    private void RegenerateContextMenu()
     {
-        var res = MessageBox.Show(this, "Dieses Feature ist noch nicht implementiert", "Fehlend");
+        MnuChange.Items.Clear();
+        foreach (var sport in Settings.Instance.Sports)
+        {
+            var item = new MenuItem { Header = sport.Name };
+            item.Click += (_, _) => ChangeStudentCourse(sport);
+            MnuChange.Items.Add(item);
+        }
+    }
+
+    private void ChangeStudentCourse(Sport targetSport)
+    {
+        if (LbResult.SelectedItem is not ResultEntry selectedEntry)
+            return;
+
+        try
+        {
+            if (ApplyStudentCourseChange(selectedEntry.Student, selectedEntry.Semester, targetSport))
+            {
+                CourseCrafter.ReloadResult();
+                RefreshResultView();
+                RegenerateContextMenu();
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message + "\n" + ex.StackTrace);
+        }
+    }
+
+    private bool ApplyStudentCourseChange(Student student, int semester, Sport targetSport)
+    {
+        if (semester < 1 || semester > 4)
+            return false;
+
+        var semesterCourses = CourseCrafter.GeneratedCourses
+            .Where(course => course.Semester == semester)
+            .ToList();
+
+        var currentCourses = semesterCourses
+            .Where(course => course.Instance.Students.Contains(student.ID))
+            .ToList();
+
+        CourseCrafter.CourseInstance? targetCourse = currentCourses
+            .FirstOrDefault(course => course.Instance.Sport.Name == targetSport.Name)
+            .Instance;
+
+        if (targetCourse == null)
+        {
+            targetCourse = semesterCourses
+                .Where(course => course.Instance.Sport.Name == targetSport.Name)
+                .OrderBy(course => course.Instance.Students.Count)
+                .Select(course => course.Instance)
+                .FirstOrDefault();
+        }
+
+        bool changed = false;
+
+        foreach (var course in currentCourses)
+        {
+            if (targetCourse != null && ReferenceEquals(course.Instance, targetCourse))
+                continue;
+
+            if (course.Instance.Students.Remove(student.ID))
+                changed = true;
+        }
+
+        int removedEmptyCourses = CourseCrafter.GeneratedCourses.RemoveAll(course =>
+            course.Semester == semester &&
+            course.Instance.Students.Count == 0 &&
+            !ReferenceEquals(course.Instance, targetCourse));
+        if (removedEmptyCourses > 0)
+            changed = true;
+
+        if (targetCourse == null)
+        {
+            var newCourse = new CourseCrafter.CourseInstance
+            {
+                Sport = targetSport,
+                Students = new List<string> { student.ID }
+            };
+
+            CourseCrafter.GeneratedCourses.Add((semester, newCourse));
+            changed = true;
+        }
+        else if (!targetCourse.Students.Contains(student.ID))
+        {
+            targetCourse.Students.Add(student.ID);
+            changed = true;
+        }
+
+        return changed;
+    }
+
+    private async void MnuExpSettings_OnClick(object? sender, RoutedEventArgs e)
+    {
+        await ExportConfigurationAsync();
     }
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
@@ -159,6 +278,21 @@ public partial class MainWindow : Window
         //TbiResults.Focus();
     }
 
+    private void LbResult_OnPointerPressed(object? sender, PointerPressedEventArgs e)
+    {
+        if (!e.GetCurrentPoint(LbResult).Properties.IsRightButtonPressed)
+            return;
+
+        if (e.Source is Control control && control.DataContext is ResultEntry entry)
+        {
+            LbResult.SelectedItem = entry;
+        }
+        else
+        {
+            LbResult.SelectedItem = null;
+        }
+    }
+
     private void RefreshResultView()
     {
         LbResult.Items.Clear();
@@ -168,7 +302,7 @@ public partial class MainWindow : Window
             {
                 for(int i = 0; i<s.Result.Length;i++)
                 {
-                    LbResult.Items.Add($"{s.Name} ({s.ID}) - {i+1}. Semester: {s.Result[i]}");
+                    LbResult.Items.Add(new ResultEntry(s, i + 1, s.Result[i]));
                 }
             }
             catch (Exception ex)
@@ -262,6 +396,7 @@ public partial class MainWindow : Window
         {
             LbSportCourses.Items.Add(sp);
         }
+        RegenerateContextMenu();
     }
 
 
@@ -298,6 +433,7 @@ public partial class MainWindow : Window
         try
         {
             ((Sport)LbSportCourses.SelectedItem).Name = TbSportName.Text;
+            RegenerateContextMenu();
         } catch {}
     }
 
@@ -411,16 +547,53 @@ public partial class MainWindow : Window
         } catch (Exception ex){}
     }
 
-    private void BtnExportCoursePDF_OnClick(object? sender, RoutedEventArgs e)
+    private async void BtnExportCoursePDF_OnClick(object? sender, RoutedEventArgs e)
     {
-        // Export as PDF
+        var topLevel = GetTopLevel(this);
+        var file = await topLevel!.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
+        {
+            Title = "PDF-Datei speichern",
+            SuggestedFileName = "spplus_kurse.pdf",
+            SuggestedFileType = new FilePickerFileType(".pdf-Datei")
+            {
+                Patterns = new[] { "*.pdf" }
+            }
+        });
+
+        if (file == null) return;
+
+        PdfExportUtility.ExportGeneratedCourses(file.Path.LocalPath);
     }
 
-    private void NudSportMaxPerSemester_OnValueChanged(object? sender, NumericUpDownValueChangedEventArgs e)
+    private void NudSportMaxPerSemester1_OnValueChanged(object? sender, NumericUpDownValueChangedEventArgs e)
     {
         try
         {
-            Settings.Instance.NumCoursesPerSemester = Convert.ToInt32(NudSportMaxPerSemester.Value);
+            Settings.Instance.NumCoursesPerSemester[0] = Convert.ToInt32(NudSportMaxPerSemester1.Value);
+        } catch {}
+    }
+    
+    private void NudSportMaxPerSemester2_OnValueChanged(object? sender, NumericUpDownValueChangedEventArgs e)
+    {
+        try
+        {
+            Settings.Instance.NumCoursesPerSemester[1] = Convert.ToInt32(NudSportMaxPerSemester2.Value);
+        } catch {}
+    }
+    
+    private void NudSportMaxPerSemester3_OnValueChanged(object? sender, NumericUpDownValueChangedEventArgs e)
+    {
+        try
+        {
+            Settings.Instance.NumCoursesPerSemester[2] = Convert.ToInt32(NudSportMaxPerSemester3.Value);
+        } catch {}
+    }
+    
+    private void NudSportMaxPerSemester4_OnValueChanged(object? sender, NumericUpDownValueChangedEventArgs e)
+    {
+        try
+        {
+            Settings.Instance.NumCoursesPerSemester[3] = Convert.ToInt32(NudSportMaxPerSemester4.Value);
         } catch {}
     }
 
@@ -430,33 +603,65 @@ public partial class MainWindow : Window
         var file = await topLevel!.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
         {
             Title = "CSV-Datei speichern",
-            SuggestedFileType = new FilePickerFileType(".csv-Datei")
+            SuggestedFileName = "spplus_ergebnisse.json",
+            SuggestedFileType = new FilePickerFileType(".json-Datei")
             {
-                Patterns = new[] { "*.csv" }
+                Patterns = new[] { "*.json" }
             }
             
         });
 
         if (file == null) return;
 
-        ExportUtility.ExportToCSV(file.Path.AbsolutePath);
+        ExportUtility.ExportResultsToJson(file.Path.LocalPath);
 
     }
 
     private async void MnuImpResult_OnClick(object? sender, RoutedEventArgs e)
     {
-        // Hier importieren
         var topLevel = GetTopLevel(this);
         var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
         {
-            Title = "CSV-Datei laden",
+            Title = "Ergebnis-CSV laden",
-            SuggestedFileType = new FilePickerFileType(".csv-Datei")
+            AllowMultiple = false,
+            FileTypeFilter = new[]
             {
-                Patterns = new[] { "*.csv" }
+                new FilePickerFileType(".json-Datei")
+                {
+                    Patterns = new[] { "*.json" }
+                }
+            }
+        });
+
+        if (file == null || file.Count == 0) return;
+
+        var imported = import.ImportResultFromJson(file[0].Path.LocalPath.ToString());
+        if (imported != null && imported.Count > 0)
+        {
+            CourseCrafter.GeneratedCourses = imported
+                .OrderBy(c => c.Semester)
+                .ThenBy(c => c.Instance.Sport.Name)
+                .ToList();
+            CourseCrafter.ReloadResult();
+            RefreshResultView();
+        }
     }
 
+    private async System.Threading.Tasks.Task ExportConfigurationAsync()
+    {
+        var topLevel = GetTopLevel(this);
+        var file = await topLevel!.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
+        {
+            Title = "Konfiguration speichern",
+            SuggestedFileName = "spplus_konfiguration.json",
+            SuggestedFileType = new FilePickerFileType(".json-Datei")
+            {
+                Patterns = new[] { "*.json" }
+            }
         });
 
         if (file == null) return;
+
+        ExportUtility.ExportConfigurationToJson(file.Path.LocalPath);
     }
 }

MessageBox.axaml

@@ -2,7 +2,7 @@
         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"
-        mc:Ignorable="d" SizeToContent="WidthAndHeight"
+        mc:Ignorable="d" SizeToContent="WidthAndHeight" Icon="res/logo.ico"
         x:Class="spplus.MessageBox" WindowStartupLocation="CenterScreen"
         Title="MessageBox">
     <StackPanel>

Program.cs

@@ -1,5 +1,7 @@
 using Avalonia;
 using System;
+using PdfSharp;
+using PdfSharp.Fonts;
 
 namespace spplus;
 
@@ -9,8 +11,14 @@ class Program
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
     // yet and stuff might break.
     [STAThread]
-    public static void Main(string[] args) => BuildAvaloniaApp()
+    public static void Main(string[] args)
+    {
+        // Initialize PdfSharp font resolver before any PDF operations
+        GlobalFontSettings.FontResolver = new CustomFontResolver();
+        
+        BuildAvaloniaApp()
             .StartWithClassicDesktopLifetime(args);
+    }
 
     // Avalonia configuration, don't remove; also used by visual designer.
     public static AppBuilder BuildAvaloniaApp()

crafter.cs

@@ -15,6 +15,66 @@ public class CourseCrafter
     public static List<(int Semester, CourseInstance Instance)> GeneratedCourses 
         = new();
 
+    private static Sport? ResolveSportFromCourseName(string courseName)
+    {
+        if (string.IsNullOrWhiteSpace(courseName) ||
+            string.Equals(courseName, "null", StringComparison.OrdinalIgnoreCase))
+        {
+            return null;
+        }
+
+        return Settings.Instance.Sports.FirstOrDefault(sport =>
+            string.Equals(sport.Name, courseName, StringComparison.OrdinalIgnoreCase) ||
+            sport.AlternativeNames.Any(alt => string.Equals(alt, courseName, StringComparison.OrdinalIgnoreCase)));
+    }
+
+    public static void RebuildGeneratedCoursesFromResults(IEnumerable<Student> importedResults)
+    {
+        var importedById = importedResults
+            .Where(student => !string.IsNullOrWhiteSpace(student.ID))
+            .GroupBy(student => student.ID, StringComparer.OrdinalIgnoreCase)
+            .ToDictionary(group => group.Key, group => group.First(), StringComparer.OrdinalIgnoreCase);
+
+        var generatedCourses = new Dictionary<(int Semester, string SportName), CourseInstance>();
+
+        foreach (var student in Settings.Instance.Students)
+        {
+            if (!importedById.TryGetValue(student.ID, out var importedStudent))
+                continue;
+
+            for (int semesterIndex = 0; semesterIndex < 4; semesterIndex++)
+            {
+                if (importedStudent.Result.Length <= semesterIndex)
+                    continue;
+
+                var resultName = importedStudent.Result[semesterIndex];
+                var sport = ResolveSportFromCourseName(resultName);
+                if (sport == null)
+                    continue;
+
+                var key = (semesterIndex + 1, sport.Name);
+                if (!generatedCourses.TryGetValue(key, out var course))
+                {
+                    course = new CourseInstance
+                    {
+                        Sport = sport,
+                        Students = new List<string>()
+                    };
+                    generatedCourses[key] = course;
+                }
+
+                if (!course.Students.Contains(student.ID))
+                    course.Students.Add(student.ID);
+            }
+        }
+
+        GeneratedCourses = generatedCourses
+            .Select(entry => (Semester: entry.Key.Semester, Instance: entry.Value))
+            .OrderBy(course => course.Semester)
+            .ThenBy(course => course.Instance.Sport.Name)
+            .ToList();
+    }
+
     public static void Craft()
 {
     GeneratedCourses = new();
@@ -148,7 +208,7 @@ public class CourseCrafter
     for (int semester = 1; semester <= 4; semester++)
     {
         int cancel = 0;
-        while (GeneratedCourses.Count(c => c.Semester == semester) < Settings.Instance.NumCoursesPerSemester)
+        while (GeneratedCourses.Count(c => c.Semester == semester) < Settings.Instance.NumCoursesPerSemester[semester-1])
         {
             cancel++;
             if (cancel >= 20) break;
@@ -349,7 +409,9 @@ public class CourseCrafter
     bool requestExit()
     {
         globalCount++;
-        if (GeneratedCourses.Count >= Settings.Instance.NumCoursesPerSemester * 4) return true;
+        int sum = Settings.Instance.NumCoursesPerSemester[0] + Settings.Instance.NumCoursesPerSemester[1] +
+                  Settings.Instance.NumCoursesPerSemester[2] + Settings.Instance.NumCoursesPerSemester[3];
+        if (GeneratedCourses.Count >= sum) return true;
 
         int low = 0;
         foreach (var item in initial_sportlist)
@@ -440,7 +502,7 @@ public class CourseCrafter
             if (sportCoursesInSemester >= sport.Semester[semesterIndex])
                 continue;
 
-            if (GeneratedCourses.Count(c => c.Semester == semester) >= Settings.Instance.NumCoursesPerSemester)
+            if (GeneratedCourses.Count(c => c.Semester == semester) >= Settings.Instance.NumCoursesPerSemester[semester-1])
                 continue;
 
             var directlyPlaceable = remainingStudents
@@ -649,52 +711,7 @@ public class CourseCrafter
 
     Sport? ResolveSportFromSelection(string selectedCourseName)
     {
-        if (string.IsNullOrWhiteSpace(selectedCourseName) ||
+        return ResolveSportFromCourseName(selectedCourseName);
-            string.Equals(selectedCourseName, "null", StringComparison.OrdinalIgnoreCase))
-        {
-            return null;
-        }
-
-        return Settings.Instance.Sports
-            .FirstOrDefault(sport => sport.AlternativeNames.Contains(selectedCourseName));
-    }
-
-    int getSemesterForSport2(Sport sp, List<string> interestedStudents)
-    {
-        int[] semcount = new int[4];
-
-        foreach (var inst in GeneratedCourses)
-            semcount[inst.Semester - 1]++;
-
-        int bestSem = 0;
-        int minCourses = int.MaxValue;
-
-        for (int i = 0; i < 4; i++)
-        {
-            if (sp.Semester[i] == 0) continue;
-
-            int sportCoursesInSemester = GeneratedCourses
-                .Count(g => g.Semester == i + 1 && g.Instance.Sport.Name == sp.Name);
-
-            if (sportCoursesInSemester >= sp.Semester[i])
-                continue;
-
-            int freeInterestedStudents = interestedStudents
-                .Distinct()
-                .Count(studentId => !students_in_semester[i].Contains(studentId));
-
-            if (freeInterestedStudents < getEffectiveMinStudents(sp, i + 1))
-                continue;
-
-            if (semcount[i] < Settings.Instance.NumCoursesPerSemester &&
-                semcount[i] < minCourses)
-            {
-                minCourses = semcount[i];
-                bestSem = i + 1;
-            }
-        }
-
-        return bestSem;
     }
 
     int getSemesterForSport(Sport sp, List<string> interestedStudents)
@@ -721,7 +738,7 @@ public class CourseCrafter
             if (sportCoursesInThisSemester >= sp.Semester[i])
                 continue;
 
-            if (totalCoursesPerSemester[i] >= Settings.Instance.NumCoursesPerSemester)
+            if (totalCoursesPerSemester[i] >= Settings.Instance.NumCoursesPerSemester[i])
                 continue;
 
             int freeInterestedStudents = interestedStudents
@@ -744,6 +761,11 @@ public class CourseCrafter
         return bestSem;
     }
 
+    ReloadResult();
+}
+
+    public static void ReloadResult()
+    {
         var errors = ValidateCourses(GeneratedCourses);
 
         if (errors.Count == 0)

exporter.cs

@@ -1,9 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.IO;
+using System.Text.Json;
 
 namespace spplus;
 
 public static class ExportUtility
 {
+    private sealed class ConfigurationExport
+    {
+        public List<Sport> Sports { get; set; } = [];
+        public int[] NumCoursesPerSemester { get; set; } = [];
+    }
+
     public static void ExportToCSV(string filepath)
     {
         char separator = ',';
@@ -16,4 +26,42 @@ public static class ExportUtility
         
         File.WriteAllText(filepath, output);
     }
+
+    private sealed class ResultExportEntry
+    {
+        public int Semester { get; set; }
+        public string SportName { get; set; } = string.Empty;
+        public List<string> Students { get; set; } = new();
+    }
+
+    public static void ExportResultsToJson(string filepath)
+    {
+        var list = CourseCrafter.GeneratedCourses
+            .Select(g => new ResultExportEntry
+            {
+                Semester = g.Semester,
+                SportName = g.Instance.Sport.Name,
+                Students = g.Instance.Students.ToList()
+            })
+            .ToList();
+
+        var json = JsonSerializer.Serialize(list, new JsonSerializerOptions { WriteIndented = true });
+        File.WriteAllText(filepath, json);
+    }
+
+    public static void ExportConfigurationToJson(string filepath)
+    {
+        var export = new ConfigurationExport
+        {
+            Sports = Settings.Instance.Sports,
+            NumCoursesPerSemester = Settings.Instance.NumCoursesPerSemester
+        };
+
+        var json = JsonSerializer.Serialize(export, new JsonSerializerOptions
+        {
+            WriteIndented = true
+        });
+
+        File.WriteAllText(filepath, json);
+    }
 }

import.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text.Json;
 using System.Linq;
 
 namespace spplus;
@@ -50,42 +51,78 @@ public static class import
     
     public static List<Student> ImportResultFromFile(string path)
     {
-        var dict = new Dictionary<string, (string Name, List<string> Courses)>();
+        var dict = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
 
         foreach (var line in File.ReadLines(path).Skip(1)) // Header überspringen
         {
             if (string.IsNullOrWhiteSpace(line))
                 continue;
 
-            var parts = line.Split(',');
+            var parts = line.Split(',', StringSplitOptions.None);
-            if (parts.Length < 3)
+            if (parts.Length < 5)
                 continue;
 
-            string nameWithId = parts[0].Trim();
+            var studentId = parts[0].Trim();
-            string course = parts[2].Replace("(2)", "").Replace("(3)", "").Replace("(4)", "").Trim();
+            dict[studentId] = new[]
-
+            {
-            int open = nameWithId.LastIndexOf('(');
+                parts[1].Trim(),
-            int close = nameWithId.LastIndexOf(')');
+                parts[2].Trim(),
-            if (open < 0 || close < 0 || close <= open)
+                parts[3].Trim(),
-                continue;
+                parts[4].Trim()
-
+            };
-            string name = nameWithId[..open].Trim();
-            string id = nameWithId[(open + 1)..close].Trim();
-
-            if (!dict.ContainsKey(id))
-                dict[id] = (name, new List<string>());
-
-            dict[id].Courses.Add(course);
         }
 
-        var result = new List<Student>();
+        return dict
-
+            .Select(entry => new Student(entry.Key, string.Empty, new List<string>())
-        foreach (var (id, data) in dict)
             {
-            var student = new Student(id, data.Name, data.Courses);
+                Result = entry.Value
-            result.Add(student);
+            })
+            .ToList();
+    }
+
+    private sealed class ResultImportEntry
+    {
+        public int Semester { get; set; }
+        public string SportName { get; set; } = string.Empty;
+        public List<string> Students { get; set; } = new();
+    }
+
+    public static List<(int Semester, CourseCrafter.CourseInstance Instance)> ImportResultFromJson(string path)
+    {
+        try
+        {
+            var json = File.ReadAllText(path);
+            var entries = JsonSerializer.Deserialize<List<ResultImportEntry>>(json);
+            if (entries == null) return new();
+
+            var result = new List<(int Semester, CourseCrafter.CourseInstance Instance)>();
+
+            foreach (var e in entries)
+            {
+                if (string.IsNullOrWhiteSpace(e.SportName))
+                    continue;
+
+                var sport = Settings.Instance.Sports.FirstOrDefault(s =>
+                    string.Equals(s.Name, e.SportName, StringComparison.OrdinalIgnoreCase) ||
+                    s.AlternativeNames.Any(a => string.Equals(a, e.SportName, StringComparison.OrdinalIgnoreCase)));
+
+                if (sport == null)
+                    continue;
+
+                var ci = new CourseCrafter.CourseInstance
+                {
+                    Sport = sport,
+                    Students = e.Students.Distinct().ToList()
+                };
+
+                result.Add((e.Semester, ci));
             }
 
             return result;
         }
+        catch
+        {
+            return new();
+        }
+    }
 }

spplus.csproj

@@ -5,6 +5,7 @@
     <Nullable>enable</Nullable>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+    <ApplicationIcon>res/logo.ico</ApplicationIcon>
   </PropertyGroup>
 
   <ItemGroup>
@@ -19,4 +20,37 @@
     </PackageReference>
     <PackageReference Include="Lucide.Avalonia" Version="0.1.35"/>
   </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="PdfSharp">
+      <HintPath>lib/pdfsharp/PdfSharp.dll</HintPath>
+      <Private>true</Private>
+    </Reference>
+    <Reference Include="PdfSharp.System">
+      <HintPath>lib/pdfsharp/PdfSharp.System.dll</HintPath>
+      <Private>true</Private>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.Logging.Abstractions">
+      <HintPath>lib/pdfsharp/Microsoft.Extensions.Logging.Abstractions.dll</HintPath>
+      <Private>true</Private>
+    </Reference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Remove="res\logo.ico"/>
+    <AvaloniaResource Include="res\logo.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </AvaloniaResource>
+    <None Remove="res\logo.png"/>
+    <AvaloniaResource Include="res\logo.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </AvaloniaResource>
+  </ItemGroup>
+
+  <ItemGroup>
+      <None Include="res/fonts/*.ttf">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

structs.cs

@@ -85,7 +85,7 @@ public class Settings
 
     public List<Student> Students { get; set; } = [];
     public List<Sport> Sports { get; set; } = [];
-    public int NumCoursesPerSemester { get; set; } = 10; // Exact Amount of courses, not a maximum
+    public int[] NumCoursesPerSemester { get; set; } = [10,10,11,11]; // Exact Amount of courses, not a maximum
 
     public Settings()
     {
@@ -99,19 +99,22 @@ public class Settings
 
     public static void ImportInitial()
     {
-        Instance.Sports.Add(new Sport("Tischtennis"){ AlternativeNames = {"Sport_TT"}});
+        Instance.Sports.Clear();
-        Instance.Sports.Add(new Sport("Badminton"){ AlternativeNames = {"Sport_BM"}});
+
-        Instance.Sports.Add(new Sport("Gymnastik/Tanz"){ AlternativeNames = {"Sport_Gym"}});
+        int id = 1;
-        Instance.Sports.Add(new Sport("Schwimmen"){ AlternativeNames = {"Sport_SW"}, Semester = [1, 1, 1, 1], MaxStudents = 18});
+        Instance.Sports.Add(new Sport("Tischtennis"){ ID = id++, AlternativeNames = {"Sport_TT"}});
-        Instance.Sports.Add(new Sport("Bouldern"){ AlternativeNames = {"Sport_BO"}, Semester = [1, 1, 1, 1]});
+        Instance.Sports.Add(new Sport("Badminton"){ ID = id++, AlternativeNames = {"Sport_BM"}});
-        Instance.Sports.Add(new Sport("Basketball"){ AlternativeNames = {"Sport_BS"}});
+        Instance.Sports.Add(new Sport("Gymnastik/Tanz"){ ID = id++, AlternativeNames = {"Sport_Gym"}});
-        Instance.Sports.Add(new Sport("Fitness"){ AlternativeNames = {"Sport_Fit"}});
+        Instance.Sports.Add(new Sport("Schwimmen"){ ID = id++, AlternativeNames = {"Sport_SW"}, Semester = [1, 1, 1, 1], MaxStudents = 18});
-        Instance.Sports.Add(new Sport("Fußball"){ AlternativeNames = {"Sport_Fuß"}, Semester = [1, 0, 1, 0]});
+        Instance.Sports.Add(new Sport("Bouldern"){ ID = id++, AlternativeNames = {"Sport_BO"}, Semester = [1, 1, 1, 1]});
-        Instance.Sports.Add(new Sport("Handball"){ AlternativeNames = {"Sport_HB"}});
+        Instance.Sports.Add(new Sport("Basketball"){ ID = id++, AlternativeNames = {"Sport_BS"}});
-        Instance.Sports.Add(new Sport("Leichtathletik"){ AlternativeNames = {"Sport_LA"}, Semester = [1, 0, 1, 0], MaxStudents = 18});
+        Instance.Sports.Add(new Sport("Fitness"){ ID = id++, AlternativeNames = {"Sport_Fit"}});
-        Instance.Sports.Add(new Sport("Tennis"){ AlternativeNames = {"Sport_Te"}});
+        Instance.Sports.Add(new Sport("Fußball"){ ID = id++, AlternativeNames = {"Sport_Fuß"}, Semester = [1, 0, 1, 0]});
-        Instance.Sports.Add(new Sport("Turnen"){ AlternativeNames = {"Sport_Tur"}});
+        Instance.Sports.Add(new Sport("Handball"){ ID = id++, AlternativeNames = {"Sport_HB"}});
-        Instance.Sports.Add(new Sport("Volleyball"){ AlternativeNames = {"Sport_VB"}});
+        Instance.Sports.Add(new Sport("Leichtathletik"){ ID = id++, AlternativeNames = {"Sport_LA"}, Semester = [1, 0, 1, 0], MaxStudents = 18});
+        Instance.Sports.Add(new Sport("Tennis"){ ID = id++, AlternativeNames = {"Sport_Te"}});
+        Instance.Sports.Add(new Sport("Turnen"){ ID = id++, AlternativeNames = {"Sport_Tur"}});
+        Instance.Sports.Add(new Sport("Volleyball"){ ID = id++, AlternativeNames = {"Sport_VB"}});
     }
 
     public static string? GetSportNameFromID(int id)