[chore:] forgot to 'git add' these...

This commit is contained in:
2026-06-04 19:12:52 +02:00
parent 66596b530b
commit a784e598de
2 changed files with 598 additions and 0 deletions
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using System;
using System.IO;
using PdfSharp.Drawing;
using PdfSharp.Fonts;
namespace spplus;
/// <summary>
/// Custom font resolver for PdfSharp that loads fonts from the res/fonts directory.
/// </summary>
public class CustomFontResolver : IFontResolver
{
private static string? _fontPath;
public CustomFontResolver()
{
// Try to locate the fonts directory
var basePath = AppDomain.CurrentDomain.BaseDirectory;
var possiblePaths = new[]
{
Path.Combine(basePath, "res", "fonts"),
Path.Combine(basePath, "fonts"),
Path.Combine(Directory.GetCurrentDirectory(), "res", "fonts"),
Path.Combine(Directory.GetCurrentDirectory(), "fonts"),
};
foreach (var path in possiblePaths)
{
if (Directory.Exists(path))
{
_fontPath = path;
break;
}
}
if (_fontPath == null)
{
throw new DirectoryNotFoundException(
$"Font directory not found. Searched: {string.Join(", ", possiblePaths)}");
}
}
public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
{
// Map family name to font file
var fileName = familyName switch
{
"Cantarell" => isBold
? isItalic ? "Cantarell-BoldItalic.ttf" : "Cantarell-Bold.ttf"
: isItalic ? "Cantarell-Italic.ttf" : "Cantarell-Regular.ttf",
_ => isBold
? isItalic ? "Cantarell-BoldItalic.ttf" : "Cantarell-Bold.ttf"
: isItalic ? "Cantarell-Italic.ttf" : "Cantarell-Regular.ttf"
};
var fontPath = Path.Combine(_fontPath, fileName);
if (!File.Exists(fontPath))
{
throw new FileNotFoundException($"Font file not found: {fontPath}");
}
// Return a FontResolverInfo with the font path
return new FontResolverInfo(fontPath);
}
public byte[]? GetFont(string faceName)
{
// faceName is the path returned by ResolveTypeface
if (File.Exists(faceName))
{
return File.ReadAllBytes(faceName);
}
return null;
}
}
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using System;
using System.Collections.Generic;
using System.Linq;
using PdfSharp;
using PdfSharp.Drawing;
using PdfSharp.Pdf;
namespace spplus;
public static class PdfExportUtility
{
private const string FontFamily = "Cantarell";
private const double Margin = 36.0;
private const double FooterHeight = 28.0;
private static readonly XBrush FooterBrush = XBrushes.Gray;
public static void ExportGeneratedCourses(string filepath)
{
var document = new PdfDocument
{
Info =
{
Title = "spplus - generierte Kurse",
Author = "spplus",
Creator = "spplus"
}
};
var courses = CourseCrafter.GeneratedCourses
.OrderBy(course => course.Semester)
.ThenBy(course => course.Instance.Sport.Name)
.ToList();
if (courses.Count == 0)
{
RenderEmptyDocument(document);
document.Save(filepath);
return;
}
var studentsById = Settings.Instance.Students
.GroupBy(student => student.ID, StringComparer.OrdinalIgnoreCase)
.ToDictionary(group => group.Key, group => group.First(), StringComparer.OrdinalIgnoreCase);
foreach (var course in courses)
{
RenderCourse(document, course, studentsById);
}
RenderMissingStudentsReport(document, studentsById, courses);
document.Save(filepath);
}
private static void RenderMissingStudentsReport(
PdfDocument document,
IReadOnlyDictionary<string, Student> studentsById,
IReadOnlyList<(int Semester, CourseCrafter.CourseInstance Instance)> courses)
{
var assignedSemesters = studentsById.Values
.ToDictionary(student => student.ID, _ => new bool[4], StringComparer.OrdinalIgnoreCase);
foreach (var course in courses)
{
if (course.Semester < 1 || course.Semester > 4)
continue;
foreach (var studentId in course.Instance.Students)
{
if (assignedSemesters.TryGetValue(studentId, out var assignment))
assignment[course.Semester - 1] = true;
}
}
var missingStudents = studentsById.Values
.Where(student => assignedSemesters.TryGetValue(student.ID, out var assignment) && assignment.Any(a => !a))
.OrderBy(student => student.Name)
.ThenBy(student => student.ID)
.ToList();
var columns = new double[] { 30.0, 90.0, 190.0, 40.0, 40.0, 40.0, 40.0 };
var headerRow = new[] { "Nr.", "ID", "Name", "Sem1", "Sem2", "Sem3", "Sem4" };
int rowIndex = 0;
int pageIndex = 0;
while (rowIndex < missingStudents.Count || pageIndex == 0)
{
var page = document.AddPage();
ConfigurePage(page);
using var gfx = XGraphics.FromPdfPage(page);
var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
var subtitleFont = new XFont(FontFamily, 10, XFontStyleEx.Regular);
var tableHeaderFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
var tableBodyFont = new XFont(FontFamily, 8.5, XFontStyleEx.Regular);
double pageWidth = page.Width.Point;
double pageHeight = page.Height.Point;
double contentWidth = pageWidth - (Margin * 2);
double contentBottom = pageHeight - Margin - FooterHeight;
double y = Margin;
var headerTitle = pageIndex == 0
? "Nicht zugeordnete Schülerinnen und Schüler"
: "Fortsetzung: Nicht zugeordnete Schülerinnen und Schüler";
gfx.DrawString(headerTitle, titleFont, XBrushes.Black,
new XRect(Margin, y, contentWidth, 24), XStringFormats.TopLeft);
y += 26;
if (pageIndex == 0)
{
gfx.DrawString("Es werden nur Schülerinnen und Schüler aufgeführt, die in mindestens einem Semester keine Zuordnung erhalten haben.",
subtitleFont, XBrushes.Gray, new XRect(Margin, y, contentWidth, 20), XStringFormats.TopLeft);
y += 24;
}
if (missingStudents.Count == 0)
{
var bodyFont = new XFont(FontFamily, 11, XFontStyleEx.Regular);
gfx.DrawString("Alle Schülerinnen und Schüler sind in allen vier Semestern zugeordnet.", bodyFont, XBrushes.Black,
new XRect(Margin, y, contentWidth, 20), XStringFormats.TopLeft);
DrawFooter(gfx, page);
break;
}
y += DrawTableRow(gfx, y, columns, headerRow, tableHeaderFont, fillHeader: true);
while (rowIndex < missingStudents.Count)
{
var student = missingStudents[rowIndex];
var assignment = assignedSemesters[student.ID];
var row = BuildMissingStudentRow(rowIndex + 1, student, assignment);
double rowHeight = MeasureRowHeight(gfx, columns, row, tableBodyFont);
if (y + rowHeight > contentBottom)
break;
y += DrawTableRow(gfx, y, columns, row, tableBodyFont, fillHeader: false);
rowIndex++;
}
DrawFooter(gfx, page);
pageIndex++;
if (rowIndex >= missingStudents.Count)
break;
}
}
private static string[] BuildMissingStudentRow(int rowNumber, Student student, bool[] assignment)
{
return new[]
{
rowNumber.ToString(),
student.ID,
student.Name,
assignment[0] ? string.Empty : "X",
assignment[1] ? string.Empty : "X",
assignment[2] ? string.Empty : "X",
assignment[3] ? string.Empty : "X",
};
}
private static void RenderEmptyDocument(PdfDocument document)
{
var page = document.AddPage();
ConfigurePage(page);
using var gfx = XGraphics.FromPdfPage(page);
var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
var bodyFont = new XFont(FontFamily, 11, XFontStyleEx.Regular);
gfx.DrawString("spplus", titleFont, XBrushes.Black,
new XRect(Margin, Margin, page.Width.Point - Margin * 2, 24), XStringFormats.TopLeft);
gfx.DrawString("Es wurden keine generierten Kurse gefunden.", bodyFont, XBrushes.Black,
new XRect(Margin, Margin + 34, page.Width.Point - Margin * 2, 24), XStringFormats.TopLeft);
DrawFooter(gfx, page);
}
private static void RenderCourse(
PdfDocument document,
(int Semester, CourseCrafter.CourseInstance Instance) course,
IReadOnlyDictionary<string, Student> studentsById)
{
var studentIds = course.Instance.Students.ToList();
int index = 0;
int pageIndex = 0;
do
{
var page = document.AddPage();
ConfigurePage(page);
using var gfx = XGraphics.FromPdfPage(page);
var titleFont = new XFont(FontFamily, 18, XFontStyleEx.Bold);
var subtitleFont = new XFont(FontFamily, 10, XFontStyleEx.Regular);
var labelFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
var valueFont = new XFont(FontFamily, 9, XFontStyleEx.Regular);
var tableHeaderFont = new XFont(FontFamily, 9, XFontStyleEx.Bold);
var tableBodyFont = new XFont(FontFamily, 8.5, XFontStyleEx.Regular);
double pageWidth = page.Width.Point;
double pageHeight = page.Height.Point;
double contentWidth = pageWidth - (Margin * 2);
double contentBottom = pageHeight - Margin - FooterHeight;
double y = Margin;
var headerTitle = $"Sem. {course.Semester} - {course.Instance.Sport.Name}";
if (pageIndex > 0)
headerTitle += " (Fortsetzung)";
gfx.DrawString(headerTitle, titleFont, XBrushes.Black,
new XRect(Margin, y, contentWidth, 24), XStringFormats.TopLeft);
y += 26;
gfx.DrawString($"{course.Instance.Students.Count} Schülerinnen und Schüler", subtitleFont,
XBrushes.Gray, new XRect(Margin, y, contentWidth, 18), XStringFormats.TopLeft);
y += 24;
y = DrawInfoRows(gfx, y, contentWidth, labelFont, valueFont, course);
y += 10;
var columns = GetTableColumns(contentWidth);
var headerRow = new[]
{
"Nr.",
"ID",
"Name",
};
y += DrawTableRow(gfx, y, columns, headerRow, tableHeaderFont, fillHeader: true);
if (studentIds.Count == 0)
{
var emptyFont = new XFont(FontFamily, 9, XFontStyleEx.Italic);
gfx.DrawString("Keine Schülerinnen und Schüler zugeordnet.", emptyFont, XBrushes.Gray,
new XRect(Margin + 6, y + 8, contentWidth - 12, 20), XStringFormats.TopLeft);
}
else
{
while (index < studentIds.Count)
{
if (!studentsById.TryGetValue(studentIds[index], out var student))
student = new Student { ID = studentIds[index] };
var row = BuildStudentRow(index + 1, student);
double rowHeight = MeasureRowHeight(gfx, columns, row, tableBodyFont);
if (y + rowHeight > contentBottom)
break;
y += DrawTableRow(gfx, y, columns, row, tableBodyFont, fillHeader: false);
index++;
}
}
DrawFooter(gfx, page);
pageIndex++;
} while (index < studentIds.Count);
}
private static double DrawInfoRows(
XGraphics gfx,
double startY,
double contentWidth,
XFont labelFont,
XFont valueFont,
(int Semester, CourseCrafter.CourseInstance Instance) course)
{
double y = startY;
double labelWidth = 160.0;
double valueWidth = contentWidth - labelWidth;
double rowPadding = 4.0;
var rows = new List<(string Label, string Value)>
{
("Kurs-ID", course.Instance.Sport.ID.ToString()),
("Kursname", course.Instance.Sport.Name),
("Semester", course.Semester.ToString()),
("Anzahl SuS", course.Instance.Students.Count.ToString()),
("Min / Max", $"{course.Instance.Sport.MinStudents} / {course.Instance.Sport.MaxStudents}"),
("Semesterangebote", string.Join(", ", course.Instance.Sport.Semester.Select((count, idx) => $"S{idx + 1}:{count}"))),
("Alternativnamen", course.Instance.Sport.AlternativeNames.Count == 0
? "-"
: string.Join(", ", course.Instance.Sport.AlternativeNames))
};
foreach (var row in rows)
{
double rowHeight = MeasureInfoRowHeight(gfx, labelFont, valueFont, labelWidth, valueWidth, row.Label, row.Value);
gfx.DrawRectangle(XPens.LightGray, Margin, y, labelWidth, rowHeight);
gfx.DrawRectangle(XPens.LightGray, Margin + labelWidth, y, valueWidth, rowHeight);
DrawWrappedText(gfx, row.Label, labelFont, XBrushes.Black, Margin + 4, y + rowPadding, labelWidth - 8);
DrawWrappedText(gfx, row.Value, valueFont, XBrushes.Black, Margin + labelWidth + 4, y + rowPadding, valueWidth - 8);
y += rowHeight;
}
return y;
}
private static double MeasureInfoRowHeight(
XGraphics gfx,
XFont labelFont,
XFont valueFont,
double labelWidth,
double valueWidth,
string label,
string value)
{
double labelHeight = MeasureWrappedTextHeight(gfx, label, labelFont, labelWidth - 8);
double valueHeight = MeasureWrappedTextHeight(gfx, value, valueFont, valueWidth - 8);
return Math.Max(labelHeight, valueHeight) + 8.0;
}
private static string[] BuildStudentRow(int rowNumber, Student student)
{
return new[]
{
rowNumber.ToString(),
student.ID,
student.Name,
};
}
private static string GetCourseName(Student student, int index)
{
if (index < 0 || index >= student.SelectedCourseNames.Count)
return string.Empty;
return student.SelectedCourseNames[index];
}
private static double[] GetTableColumns(double contentWidth)
{
return new[]
{
30.0,
75.0,
145.0
};
}
private static double DrawTableRow(
XGraphics gfx,
double startY,
double[] columns,
IReadOnlyList<string> values,
XFont font,
bool fillHeader)
{
const double padding = 4.0;
double rowHeight = MeasureRowHeight(gfx, columns, values, font);
double x = Margin;
for (int i = 0; i < columns.Length; i++)
{
double width = columns[i];
var rect = new XRect(x, startY, width, rowHeight);
gfx.DrawRectangle(XPens.LightGray, rect);
if (fillHeader)
gfx.DrawRectangle(new XSolidBrush(XColor.FromArgb(235, 235, 235)), rect);
gfx.DrawRectangle(XPens.LightGray, rect);
var lines = WrapText(gfx, values[i], font, width - (padding * 2));
double lineHeight = font.GetHeight();
double textY = startY + padding;
foreach (var line in lines)
{
gfx.DrawString(line, font, XBrushes.Black,
new XRect(x + padding, textY, width - (padding * 2), lineHeight), XStringFormats.TopLeft);
textY += lineHeight;
}
x += width;
}
return rowHeight;
}
private static double MeasureRowHeight(
XGraphics gfx,
double[] columns,
IReadOnlyList<string> values,
XFont font)
{
const double padding = 4.0;
double maxHeight = font.GetHeight() + (padding * 2);
for (int i = 0; i < columns.Length; i++)
{
double height = MeasureWrappedTextHeight(gfx, values[i], font, columns[i] - (padding * 2)) + (padding * 2);
if (height > maxHeight)
maxHeight = height;
}
return maxHeight;
}
private static double MeasureWrappedTextHeight(XGraphics gfx, string text, XFont font, double width)
{
var lines = WrapText(gfx, text, font, width);
return lines.Count * font.GetHeight();
}
private static List<string> WrapText(XGraphics gfx, string? text, XFont font, double maxWidth)
{
var result = new List<string>();
if (string.IsNullOrWhiteSpace(text))
{
result.Add(string.Empty);
return result;
}
foreach (var paragraph in text.Replace("\r", string.Empty).Split('\n'))
{
if (string.IsNullOrWhiteSpace(paragraph))
{
result.Add(string.Empty);
continue;
}
string current = string.Empty;
foreach (var token in paragraph.Split(' ', StringSplitOptions.RemoveEmptyEntries))
{
foreach (var wordPart in SplitWordIfNeeded(gfx, token, font, maxWidth))
{
var candidate = string.IsNullOrEmpty(current) ? wordPart : $"{current} {wordPart}";
if (gfx.MeasureString(candidate, font).Width <= maxWidth)
{
current = candidate;
}
else
{
if (!string.IsNullOrEmpty(current))
result.Add(current);
current = wordPart;
}
}
}
if (!string.IsNullOrEmpty(current))
result.Add(current);
}
return result.Count == 0 ? new List<string> { string.Empty } : result;
}
private static IEnumerable<string> SplitWordIfNeeded(XGraphics gfx, string word, XFont font, double maxWidth)
{
if (gfx.MeasureString(word, font).Width <= maxWidth)
{
yield return word;
yield break;
}
string chunk = string.Empty;
foreach (char c in word)
{
string candidate = chunk + c;
if (chunk.Length > 0 && gfx.MeasureString(candidate, font).Width > maxWidth)
{
yield return chunk;
chunk = c.ToString();
}
else
{
chunk = candidate;
}
}
if (!string.IsNullOrEmpty(chunk))
yield return chunk;
}
private static void DrawWrappedText(
XGraphics gfx,
string? text,
XFont font,
XBrush brush,
double x,
double y,
double width)
{
double lineHeight = font.GetHeight();
foreach (var line in WrapText(gfx, text, font, width))
{
gfx.DrawString(line, font, brush, new XRect(x, y, width, lineHeight), XStringFormats.TopLeft);
y += lineHeight;
}
}
private static void DrawFooter(XGraphics gfx, PdfPage page)
{
var footerFont = new XFont(FontFamily, 7, XFontStyleEx.Regular);
double width = page.Width.Point - (Margin * 2);
double x = Margin;
double baseY = page.Height.Point - Margin + 2;
gfx.DrawString("generated by spplus", footerFont, FooterBrush,
new XRect(x, baseY, width, 9), XStringFormats.Center);
gfx.DrawString("(c) 2026 MyPapertown", footerFont, FooterBrush,
new XRect(x, baseY + 8, width, 9), XStringFormats.Center);
gfx.DrawString("www.mypapercloud.de/spplus", footerFont, FooterBrush,
new XRect(x, baseY + 16, width, 9), XStringFormats.Center);
}
private static void ConfigurePage(PdfPage page)
{
page.Size = PageSize.A4;
page.Orientation = PageOrientation.Portrait;
}
}