more fancy excel export

.github/workflows/docker.yml

@@ -83,9 +83,13 @@ jobs:
         with:
           node-version: '20'
 
+      - name: Create package-lock.json
+        working-directory: .
+        run: npm i --package-lock-only
+
       - name: Install backend dependencies
         working-directory: ./backend
-        run: npm install
+        run: npm ci
 
       - name: Run TypeScript check
         working-directory: ./backend

.gitignore

@@ -57,6 +57,7 @@ yarn-error.log*
 # Build outputs
 dist/
 build/
+package-lock.json
 
 # Environment variables
 .env

Dockerfile

@@ -1,22 +1,17 @@
 # Single stage build for workspaces
-FROM node:20-bullseye AS builder
+FROM node:20-bookworm AS builder
 
 WORKDIR /app
 
-# Install Python + OR-Tools
-RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
-  && pip install --no-cache-dir ortools
-
-# Create symlink so python3 is callable as python
-RUN ln -sf /usr/bin/python3 /usr/bin/python
-
 # Copy root package files first
 COPY package*.json ./
 COPY tsconfig.base.json ./
 COPY ecosystem.config.cjs ./
 
 # Install root dependencies
-RUN npm install --only=production
+#RUN npm install --only=production
+RUN npm i --package-lock-only
+RUN npm ci
 
 # Copy workspace files
 COPY backend/ ./backend/
@@ -30,10 +25,7 @@ RUN npm install --workspace=frontend
 RUN npm run build --only=production --workspace=backend
 
 # Build frontend
-RUN npm run build --workspace=frontend
-
-# Verify Python and OR-Tools installation
-RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
+RUN npm run build --only=production --workspace=frontend
 
 # Production stage
 FROM node:20-bookworm
@@ -57,7 +49,20 @@ COPY --from=builder /app/frontend/dist/ ./frontend-build/
 COPY --from=builder /app/ecosystem.config.cjs ./
 
 COPY --from=builder /app/backend/src/database/ ./dist/database/
-COPY --from=builder /app/backend/src/database/ ./database/
+# should be obsolete with the line above
+#COPY --from=builder /app/backend/src/database/ ./database/
+
+COPY --from=builder /app/backend/src/python-scripts/ ./python-scripts/
+
+# Install Python + OR-Tools
+RUN apt-get update && apt-get install -y python3 python3-pip build-essential \
+  && pip install --no-cache-dir --break-system-packages ortools
+
+# Create symlink so python3 is callable as python
+RUN ln -sf /usr/bin/python3 /usr/bin/python
+
+# Verify Python and OR-Tools installation
+RUN python -c "from ortools.sat.python import cp_model; print('OR-Tools installed successfully')"
 
 # Copy init script and env template
 COPY docker-init.sh /usr/local/bin/

backend/package.json

@@ -25,7 +25,10 @@
     "uuid": "^9.0.0",
     "express-rate-limit": "8.1.0",
     "helmet": "8.1.0",
-    "express-validator": "7.3.0"
+    "express-validator": "7.3.0",
+    "exceljs": "4.4.0",
+    "pdfkit": "0.12.3",
+    "@types/pdfkit": "^0.12.3"
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.2",

backend/src/controllers/shiftPlanController.ts

@@ -8,6 +8,8 @@ import {
 } from '../models/ShiftPlan.js';
 import { AuthRequest } from '../middleware/auth.js';
 import { TEMPLATE_PRESETS } from '../models/defaults/shiftPlanDefaults.js';
+import ExcelJS from 'exceljs';
+import PDFDocument from 'pdfkit';
 
 async function getPlanWithDetails(planId: string) {
   const plan = await db.get<any>(`
@@ -592,6 +594,26 @@ async function getShiftPlanById(planId: string): Promise<any> {
     `, [planId]);
   }
 
+  // Load employees without role column + join with employee_roles
+  const employees = await db.all<any>(`
+    SELECT 
+      e.id, 
+      e.firstname, 
+      e.lastname, 
+      e.email, 
+      e.employee_type,
+      e.contract_type,
+      e.can_work_alone,
+      e.is_trainee,
+      e.is_active as isActive,
+      GROUP_CONCAT(er.role) as roles
+    FROM employees e
+    LEFT JOIN employee_roles er ON e.id = er.employee_id
+    WHERE e.is_active = 1
+    GROUP BY e.id
+    ORDER BY e.firstname, e.lastname
+  `, []);
+
   return {
     ...plan,
     isTemplate: plan.is_template === 1,
@@ -629,6 +651,19 @@ async function getShiftPlanById(planId: string): Promise<any> {
       requiredEmployees: shift.required_employees,
       assignedEmployees: JSON.parse(shift.assigned_employees || '[]'),
       timeSlotName: shift.time_slot_name
+    })),
+    // Include employees with proper role handling
+    employees: employees.map(emp => ({
+      id: emp.id,
+      firstname: emp.firstname,
+      lastname: emp.lastname,
+      email: emp.email,
+      employeeType: emp.employee_type,
+      contractType: emp.contract_type,
+      canWorkAlone: emp.can_work_alone === 1,
+      isTrainee: emp.is_trainee === 1,
+      isActive: emp.isActive === 1,
+      roles: emp.roles ? emp.roles.split(',') : [] // Convert comma-separated roles to array
     }))
   };
 }
@@ -933,3 +968,594 @@ export const clearAssignments = async (req: Request, res: Response): Promise<voi
     res.status(500).json({ error: 'Internal server error' });
   }
 };
+
+
+// Helper interfaces for export
+interface ExportDay {
+  id: number;
+  name: string;
+}
+
+interface ExportTimeSlot {
+  id: string;
+  name: string;
+  startTime: string;
+  endTime: string;
+  shiftsByDay: { [dayId: number]: any };
+}
+
+interface ExportTimetableData {
+  days: ExportDay[];
+  allTimeSlots: ExportTimeSlot[];
+}
+
+function getTimetableDataForExport(plan: any): ExportTimetableData {
+  const weekdays = [
+    { id: 1, name: 'Montag' },
+    { id: 2, name: 'Dienstag' },
+    { id: 3, name: 'Mittwoch' },
+    { id: 4, name: 'Donnerstag' },
+    { id: 5, name: 'Freitag' },
+    { id: 6, name: 'Samstag' },
+    { id: 7, name: 'Sonntag' }
+  ];
+
+  if (!plan.shifts || !plan.timeSlots) {
+    return { days: [], allTimeSlots: [] };
+  }
+
+  // Create a map for quick time slot lookups with proper typing
+  const timeSlotMap = new Map<string, any>();
+  plan.timeSlots.forEach((ts: any) => {
+    timeSlotMap.set(ts.id, ts);
+  });
+
+  // Group shifts by day
+  const shiftsByDay: { [dayId: number]: any[] } = plan.shifts.reduce((acc: any, shift: any) => {
+    if (!acc[shift.dayOfWeek]) {
+      acc[shift.dayOfWeek] = [];
+    }
+
+    const timeSlot = timeSlotMap.get(shift.timeSlotId);
+    const enhancedShift = {
+      ...shift,
+      timeSlotName: timeSlot?.name,
+      startTime: timeSlot?.startTime,
+      endTime: timeSlot?.endTime
+    };
+
+    acc[shift.dayOfWeek].push(enhancedShift);
+    return acc;
+  }, {});
+
+  // Sort shifts within each day by start time
+  Object.keys(shiftsByDay).forEach(day => {
+    const dayNum = parseInt(day);
+    shiftsByDay[dayNum].sort((a: any, b: any) => {
+      const timeA = a.startTime || '';
+      const timeB = b.startTime || '';
+      return timeA.localeCompare(timeB);
+    });
+  });
+
+  // Get unique days that have shifts
+  const days: ExportDay[] = Array.from(new Set(plan.shifts.map((shift: any) => shift.dayOfWeek)))
+    .sort()
+    .map(dayId => {
+      return weekdays.find(day => day.id === dayId) || { id: dayId as number, name: `Tag ${dayId}` };
+    });
+
+  // Get all unique time slots (rows) by collecting from all shifts
+  const allTimeSlotsMap = new Map<string, ExportTimeSlot>();
+  days.forEach(day => {
+    shiftsByDay[day.id]?.forEach((shift: any) => {
+      const timeSlot = timeSlotMap.get(shift.timeSlotId);
+      if (timeSlot && !allTimeSlotsMap.has(timeSlot.id)) {
+        const exportTimeSlot: ExportTimeSlot = {
+          id: timeSlot.id,
+          name: timeSlot.name,
+          startTime: timeSlot.startTime,
+          endTime: timeSlot.endTime,
+          shiftsByDay: {}
+        };
+        allTimeSlotsMap.set(timeSlot.id, exportTimeSlot);
+      }
+    });
+  });
+
+  // Populate shifts for each time slot by day
+  days.forEach(day => {
+    shiftsByDay[day.id]?.forEach((shift: any) => {
+      const timeSlot = allTimeSlotsMap.get(shift.timeSlotId);
+      if (timeSlot) {
+        timeSlot.shiftsByDay[day.id] = shift;
+      }
+    });
+  });
+
+  // Convert to array and sort by start time
+  const allTimeSlots = Array.from(allTimeSlotsMap.values()).sort((a: ExportTimeSlot, b: ExportTimeSlot) => {
+    return (a.startTime || '').localeCompare(b.startTime || '');
+  });
+
+  return { days, allTimeSlots };
+}
+
+// Export shift plan to Excel
+export const exportShiftPlanToExcel = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { id } = req.params;
+    console.log('📊 Starting Excel export for plan:', id);
+
+    const plan = await getShiftPlanById(id);
+    if (!plan) {
+      res.status(404).json({ error: 'Shift plan not found' });
+      return;
+    }
+    if (plan.status !== 'published') {
+      res.status(400).json({ error: 'Can only export published shift plans' });
+      return;
+    }
+
+    // Create workbook
+    const workbook = new ExcelJS.Workbook();
+    workbook.creator = 'Schichtplaner System';
+    workbook.created = new Date();
+
+    /* -------------------------------------------------------------------------- */
+    /*                           🧾 1. Summary Sheet                              */
+    /* -------------------------------------------------------------------------- */
+    const summarySheet = workbook.addWorksheet('Planübersicht');
+    summarySheet.columns = [
+      { header: 'Eigenschaft', key: 'property', width: 25 },
+      { header: 'Wert', key: 'value', width: 35 }
+    ];
+
+    summarySheet.addRows([
+      { property: 'Plan Name', value: plan.name },
+      { property: 'Beschreibung', value: plan.description || 'Keine' },
+      { property: 'Zeitraum', value: `${plan.startDate} bis ${plan.endDate}` },
+      { property: 'Status', value: plan.status },
+      { property: 'Erstellt von', value: plan.created_by_name || 'Unbekannt' },
+      { property: 'Erstellt am', value: new Date(plan.createdAt).toLocaleString('de-DE') },
+      { property: 'Anzahl Schichten', value: plan.scheduledShifts?.length || 0 },
+      { property: 'Anzahl Mitarbeiter', value: plan.employees?.length || 0 }
+    ]);
+
+    // Style header
+    const header1 = summarySheet.getRow(1);
+    header1.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+    header1.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF2C3E50' } };
+    summarySheet.columns.forEach(col => (col.alignment = { vertical: 'middle', wrapText: true }));
+
+    /* -------------------------------------------------------------------------- */
+    /*                        📅 2. Timetable / Schichtplan Sheet                 */
+    /* -------------------------------------------------------------------------- */
+    const timetableSheet = workbook.addWorksheet('Schichtplan');
+    const timetableData = getTimetableDataForExport(plan);
+    const { days, allTimeSlots } = timetableData;
+
+    // Header
+    const headerRow = ['Schicht (Zeit)', ...days.map(d => d.name)];
+    const header = timetableSheet.addRow(headerRow);
+    header.eachCell(cell => {
+      cell.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF2C3E50' } };
+      cell.alignment = { horizontal: 'center', vertical: 'middle' };
+      cell.border = {
+        top: { style: 'thin' },
+        left: { style: 'thin' },
+        bottom: { style: 'thin' },
+        right: { style: 'thin' }
+      };
+    });
+
+    // Content rows
+    for (const timeSlot of allTimeSlots) {
+      const rowData: any[] = [`${timeSlot.name}\n${timeSlot.startTime} - ${timeSlot.endTime}`];
+
+      for (const day of days) {
+        const shift = timeSlot.shiftsByDay[day.id];
+        if (!shift) {
+          rowData.push('Keine Schicht');
+          continue;
+        }
+
+        const scheduledShift = plan.scheduledShifts?.find(
+          (s: any) => getDayOfWeek(s.date) === day.id && s.timeSlotId === timeSlot.id
+        );
+
+        if (scheduledShift && scheduledShift.assignedEmployees?.length > 0) {
+          const employees = scheduledShift.assignedEmployees.map((empId: string) => {
+            const emp = plan.employees?.find((e: any) => e.id === empId);
+            if (!emp) return { text: 'Unbekannt', color: 'FF888888' };
+
+            if (emp.isTrainee)
+              return { text: `${emp.firstname} ${emp.lastname} (T)`, color: 'FFCDA8F0' };
+            if (emp.employee_type === 'manager')
+              return { text: `${emp.firstname} ${emp.lastname} (M)`, color: 'FFCC0000' };
+            return { text: `${emp.firstname} ${emp.lastname}`, color: 'FF642AB5' };
+          });
+          rowData.push(employees);
+        } else {
+          const shiftsForSlot =
+            plan.shifts?.filter(
+              (s: any) => s.dayOfWeek === day.id && s.timeSlotId === timeSlot.id
+            ) || [];
+          const totalRequired = shiftsForSlot.reduce(
+            (sum: number, s: any) => sum + s.requiredEmployees,
+            0
+          );
+          rowData.push(totalRequired === 0 ? '-' : `0/${totalRequired}`);
+        }
+      }
+
+      const row = timetableSheet.addRow(rowData);
+
+      row.eachCell((cell, colNumber) => {
+        cell.border = {
+          top: { style: 'thin' },
+          left: { style: 'thin' },
+          bottom: { style: 'thin' },
+          right: { style: 'thin' }
+        };
+        cell.alignment = { vertical: 'top', wrapText: true };
+
+        if (cell.value === 'Keine Schicht') {
+          cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFEDEDED' } };
+          cell.font = { color: { argb: 'FF888888' }, italic: true };
+        }
+
+        if (Array.isArray(cell.value)) {
+          cell.value = {
+            richText: cell.value.map((e: any) => ({
+              text: e.text + '\n',
+              font: { color: { argb: e.color } }
+            }))
+          };
+        }
+
+        if (colNumber === 1) {
+          cell.alignment = { horizontal: 'left', vertical: 'middle', wrapText: true };
+        }
+      });
+    }
+
+    // Adjust layout
+    timetableSheet.eachRow((row, i) => (row.height = i === 1 ? 30 : 70));
+    timetableSheet.columns.forEach(col => {
+      let max = 12;
+      col.eachCell?.({ includeEmpty: true }, c => {
+        const len = typeof c.value === 'string' ? c.value.length : 10;
+        if (len > max) max = len;
+      });
+      col.width = Math.min(max + 5, 40);
+    });
+
+    // Add legend row at bottom
+    const legendRow = timetableSheet.addRow([
+      'Legende:',
+      '■ Manager',
+      '■ Trainee',
+      '■ Mitarbeiter',
+      '■ Keine Schicht'
+    ]);
+
+    // Style each square with its respective color
+    legendRow.getCell(1).font = { bold: true };
+    legendRow.getCell(2).font = { color: { argb: 'FFCC0000' } };   // Red = Manager
+    legendRow.getCell(3).font = { color: { argb: 'FFCDA8F0' } };   // Purple = Trainee
+    legendRow.getCell(4).font = { color: { argb: 'FF642AB5' } };   // Blue = Mitarbeiter
+    legendRow.getCell(5).font = { color: { argb: 'FF888888' } };   // Gray = Keine Schicht
+
+    legendRow.eachCell(cell => {
+      cell.alignment = { vertical: 'middle', horizontal: 'left' };
+      cell.font = { ...cell.font, italic: true };
+    });
+
+    /* -------------------------------------------------------------------------- */
+    /*                        👥 3. Employee Overview Sheet                       */
+    /* -------------------------------------------------------------------------- */
+    const employeeSheet = workbook.addWorksheet('Mitarbeiterübersicht');
+    employeeSheet.columns = [
+      { header: 'Name', key: 'name', width: 25 },
+      { header: 'E-Mail', key: 'email', width: 25 },
+      { header: 'Rolle', key: 'role', width: 18 },
+      { header: 'Mitarbeiter Typ', key: 'type', width: 15 },
+      { header: 'Vertragstyp', key: 'contract', width: 18 },
+      { header: 'Trainee', key: 'trainee', width: 10 }
+    ];
+
+    plan.employees?.forEach((e: any) =>
+      employeeSheet.addRow({
+        name: `${e.firstname} ${e.lastname}`,
+        email: e.email,
+        role: e.roles?.join(', ') || 'Benutzer',
+        type: e.employee_type || 'Unbekannt',
+        contract: e.contractType || 'Nicht angegeben',
+        trainee: e.isTrainee ? 'Ja' : 'Nein'
+      })
+    );
+
+    const empHeader = employeeSheet.getRow(1);
+    empHeader.font = { bold: true, color: { argb: 'FFFFFFFF' } };
+    empHeader.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF34495E' } };
+    empHeader.alignment = { horizontal: 'center', vertical: 'middle' };
+
+    /* -------------------------------------------------------------------------- */
+    /*                            📤 4. Send Response                             */
+    /* -------------------------------------------------------------------------- */
+    const fileName = `Schichtplan_${plan.name}_${new Date().toISOString().split('T')[0]}.xlsx`;
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+    res.setHeader('Content-Disposition', `attachment; filename="${fileName}"`);
+    await workbook.xlsx.write(res);
+
+    console.log('✅ Excel export completed for plan:', id);
+  } catch (error) {
+    console.error('❌ Error exporting to Excel:', error);
+    res.status(500).json({ error: 'Internal server error during Excel export' });
+  }
+};
+
+export const exportShiftPlanToPDF = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { id } = req.params;
+
+    console.log('📄 Starting PDF export for plan:', id);
+
+    // Check if plan exists
+    const plan = await getShiftPlanById(id);
+    if (!plan) {
+      res.status(404).json({ error: 'Shift plan not found' });
+      return;
+    }
+
+    if (plan.status !== 'published') {
+      res.status(400).json({ error: 'Can only export published shift plans' });
+      return;
+    }
+
+    // Create PDF document
+    const doc = new PDFDocument({ margin: 50 });
+
+    // Set response headers
+    res.setHeader('Content-Type', 'application/pdf');
+    res.setHeader('Content-Disposition', `attachment; filename="Schichtplan_${plan.name}_${new Date().toISOString().split('T')[0]}.pdf"`);
+
+    // Pipe PDF to response
+    doc.pipe(res);
+
+    // Add title
+    doc.fontSize(20).font('Helvetica-Bold').text(`Schichtplan: ${plan.name}`, 50, 50);
+    doc.fontSize(12).font('Helvetica').text(`Erstellt am: ${new Date().toLocaleDateString('de-DE')}`, 50, 80);
+
+    // Plan summary
+    let yPosition = 120;
+    doc.fontSize(14).font('Helvetica-Bold').text('Plan Informationen', 50, yPosition);
+    yPosition += 30;
+
+    doc.fontSize(10).font('Helvetica');
+    doc.text(`Plan Name: ${plan.name}`, 50, yPosition);
+    yPosition += 20;
+
+    if (plan.description) {
+      doc.text(`Beschreibung: ${plan.description}`, 50, yPosition);
+      yPosition += 20;
+    }
+
+    doc.text(`Zeitraum: ${plan.startDate} bis ${plan.endDate}`, 50, yPosition);
+    yPosition += 20;
+    doc.text(`Status: ${plan.status}`, 50, yPosition);
+    yPosition += 20;
+    doc.text(`Erstellt von: ${plan.created_by_name || 'Unbekannt'}`, 50, yPosition);
+    yPosition += 20;
+    doc.text(`Erstellt am: ${plan.createdAt}`, 50, yPosition);
+    yPosition += 20;
+    doc.text(`Anzahl Schichten: ${plan.scheduledShifts?.length || 0}`, 50, yPosition);
+    yPosition += 20;
+    doc.text(`Anzahl Mitarbeiter: ${plan.employees?.length || 0}`, 50, yPosition);
+    yPosition += 40;
+
+    // Get timetable data for PDF
+    const timetableData = getTimetableDataForExport(plan);
+    const { days, allTimeSlots } = timetableData;
+
+    // Add timetable section
+    doc.addPage();
+    doc.fontSize(16).font('Helvetica-Bold').text('Schichtplan Timetable', 50, 50);
+
+    let currentY = 80;
+
+    // Define column widths
+    const timeSlotColWidth = 100;
+    const dayColWidth = (500 - timeSlotColWidth) / days.length;
+
+    // Table headers
+    doc.fontSize(10).font('Helvetica-Bold');
+
+    // Time slot header
+    doc.rect(50, currentY, timeSlotColWidth, 20).fillAndStroke('#2c3e50', '#2c3e50');
+    doc.fillColor('white').text('Schicht (Zeit)', 55, currentY + 5, { width: timeSlotColWidth - 10, align: 'left' });
+
+    // Day headers
+    days.forEach((day, index) => {
+      const xPos = 50 + timeSlotColWidth + (index * dayColWidth);
+      doc.rect(xPos, currentY, dayColWidth, 20).fillAndStroke('#2c3e50', '#2c3e50');
+      doc.fillColor('white').text(day.name, xPos + 5, currentY + 5, { width: dayColWidth - 10, align: 'center' });
+    });
+
+    doc.fillColor('black');
+    currentY += 20;
+
+    // Time slot rows
+    allTimeSlots.forEach((timeSlot, rowIndex) => {
+      // Check if we need a new page
+      if (currentY > 650) {
+        doc.addPage();
+        currentY = 50;
+
+        // Redraw headers on new page
+        doc.fontSize(10).font('Helvetica-Bold');
+        doc.rect(50, currentY, timeSlotColWidth, 20).fillAndStroke('#2c3e50', '#2c3e50');
+        doc.fillColor('white').text('Schicht (Zeit)', 55, currentY + 5, { width: timeSlotColWidth - 10, align: 'left' });
+
+        days.forEach((day, index) => {
+          const xPos = 50 + timeSlotColWidth + (index * dayColWidth);
+          doc.rect(xPos, currentY, dayColWidth, 20).fillAndStroke('#2c3e50', '#2c3e50');
+          doc.fillColor('white').text(day.name, xPos + 5, currentY + 5, { width: dayColWidth - 10, align: 'center' });
+        });
+
+        doc.fillColor('black');
+        currentY += 20;
+      }
+
+      // Alternate row background
+      const rowBgColor = rowIndex % 2 === 0 ? '#f8f9fa' : 'white';
+
+      // Time slot cell
+      doc.rect(50, currentY, timeSlotColWidth, 40).fillAndStroke(rowBgColor, '#dee2e6');
+      doc.fontSize(9).font('Helvetica-Bold').text(timeSlot.name, 55, currentY + 5, { width: timeSlotColWidth - 10 });
+      doc.fontSize(8).font('Helvetica').text(`${timeSlot.startTime} - ${timeSlot.endTime}`, 55, currentY + 18, { width: timeSlotColWidth - 10 });
+
+      // Day cells
+      days.forEach((day, colIndex) => {
+        const xPos = 50 + timeSlotColWidth + (colIndex * dayColWidth);
+        const shift = timeSlot.shiftsByDay[day.id];
+
+        doc.rect(xPos, currentY, dayColWidth, 40).fillAndStroke(rowBgColor, '#dee2e6');
+
+        if (!shift) {
+          doc.fontSize(8).font('Helvetica-Oblique').fillColor('#ccc').text('Keine Schicht', xPos + 5, currentY + 15, {
+            width: dayColWidth - 10,
+            align: 'center'
+          });
+        } else {
+          // Get assignments for this time slot and day
+          const scheduledShift = plan.scheduledShifts?.find((scheduled: any) => {
+            const scheduledDayOfWeek = getDayOfWeek(scheduled.date);
+            return scheduledDayOfWeek === day.id &&
+              scheduled.timeSlotId === timeSlot.id;
+          });
+
+          doc.fillColor('black').fontSize(8).font('Helvetica');
+
+          if (scheduledShift && scheduledShift.assignedEmployees.length > 0) {
+            let textY = currentY + 5;
+            scheduledShift.assignedEmployees.forEach((empId: string, empIndex: number) => {
+              if (textY < currentY + 35) { // Don't overflow cell
+                const employee = plan.employees?.find((emp: any) => emp.id === empId);
+                if (employee) {
+                  let roleIndicator = '';
+                  if (employee.isTrainee) {
+                    roleIndicator = ' (T)';
+                    doc.fillColor('#cda8f0'); // Trainee color
+                  } else if (employee.employee_type === 'manager') {
+                    roleIndicator = ' (M)';
+                    doc.fillColor('#CC0000'); // Manager color
+                  } else {
+                    doc.fillColor('#642ab5'); // Regular personnel color
+                  }
+
+                  const name = `${employee.firstname} ${employee.lastname}${roleIndicator}`;
+                  doc.text(name, xPos + 5, textY, { width: dayColWidth - 10, align: 'left' });
+                  textY += 10;
+                }
+              }
+            });
+            doc.fillColor('black');
+          } else {
+            // Show required count like in React component
+            const shiftsForSlot = plan.shifts?.filter((s: any) =>
+              s.dayOfWeek === day.id &&
+              s.timeSlotId === timeSlot.id
+            ) || [];
+            const totalRequired = shiftsForSlot.reduce((sum: number, s: any) => sum + s.requiredEmployees, 0);
+            const displayText = totalRequired === 0 ? '-' : `0/${totalRequired}`;
+
+            doc.fillColor('#666').fontSize(9).font('Helvetica-Oblique')
+              .text(displayText, xPos + 5, currentY + 15, { width: dayColWidth - 10, align: 'center' });
+            doc.fillColor('black');
+          }
+        }
+      });
+
+      currentY += 40;
+    });
+
+    // Add employee overview page
+    doc.addPage();
+    doc.fontSize(16).font('Helvetica-Bold').text('Mitarbeiterübersicht', 50, 50);
+
+    currentY = 80;
+
+    // Table headers
+    doc.fontSize(10).font('Helvetica-Bold');
+    doc.text('Name', 50, currentY);
+    doc.text('E-Mail', 200, currentY);
+    doc.text('Rolle', 350, currentY);
+    doc.text('Typ', 450, currentY);
+    currentY += 15;
+
+    // Horizontal line
+    doc.moveTo(50, currentY).lineTo(550, currentY).stroke();
+    currentY += 10;
+
+    doc.fontSize(9).font('Helvetica');
+
+    plan.employees?.forEach((employee: any) => {
+      if (currentY > 700) {
+        doc.addPage();
+        currentY = 50;
+        // Re-add headers
+        doc.fontSize(10).font('Helvetica-Bold');
+        doc.text('Name', 50, currentY);
+        doc.text('E-Mail', 200, currentY);
+        doc.text('Rolle', 350, currentY);
+        doc.text('Typ', 450, currentY);
+        currentY += 25;
+      }
+
+      doc.text(`${employee.firstname} ${employee.lastname}`, 50, currentY);
+      doc.text(employee.email, 200, currentY, { width: 140 });
+      doc.text(employee.roles?.join(', ') || 'Benutzer', 350, currentY, { width: 90 });
+      doc.text(employee.employeeType, 450, currentY);
+
+      currentY += 20;
+    });
+
+    // Add footer to each page
+    const pages = doc.bufferedPageRange();
+    for (let i = 0; i < pages.count; i++) {
+      doc.switchToPage(i);
+
+      doc.fontSize(8).font('Helvetica');
+      doc.text(
+        `Seite ${i + 1} von ${pages.count} • Erstellt am: ${new Date().toLocaleString('de-DE')} • Schichtplaner System`,
+        50,
+        800,
+        { align: 'center', width: 500 }
+      );
+    }
+
+    // Finalize PDF
+    doc.end();
+
+    console.log('✅ PDF export completed for plan:', id);
+
+  } catch (error) {
+    console.error('❌ Error exporting to PDF:', error);
+    res.status(500).json({ error: 'Internal server error during PDF export' });
+  }
+};
+
+// Helper function to get day of week from date string
+function getDayOfWeek(dateString: string): number {
+  const date = new Date(dateString);
+  return date.getDay() === 0 ? 7 : date.getDay();
+}
+
+// Helper function to get German day names
+function getGermanDayName(dayIndex: number): string {
+  const days = ['Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag'];
+  return days[dayIndex];
+}

backend/src/middleware/rateLimit.ts

@@ -72,8 +72,8 @@ const getRateLimitConfig = () => {
   return {
     windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS || '900000'), // 15 minutes default
     max: isProduction 
-      ? parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '100')  // Stricter in production
-      : parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '1000'), // More lenient in development
+      ? parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '1000')  // Stricter in production
+      : parseInt(process.env.RATE_LIMIT_MAX_REQUESTS || '5000'), // More lenient in development
     
     // Development-specific relaxations
     skip: (req: Request) => {
@@ -112,7 +112,7 @@ export const apiLimiter = rateLimit({
 // Strict limiter for auth endpoints
 export const authLimiter = rateLimit({
   windowMs: 15 * 60 * 1000,
-  max: parseInt(process.env.AUTH_RATE_LIMIT_MAX_REQUESTS || '5'),
+  max: parseInt(process.env.AUTH_RATE_LIMIT_MAX_REQUESTS || '100'),
   message: { 
     error: 'Zu viele Login-Versuche, bitte versuchen Sie es später erneut' 
   },
@@ -135,7 +135,7 @@ export const authLimiter = rateLimit({
 // Separate limiter for expensive endpoints
 export const expensiveEndpointLimiter = rateLimit({
   windowMs: 15 * 60 * 1000,
-  max: parseInt(process.env.EXPENSIVE_ENDPOINT_LIMIT || '10'),
+  max: parseInt(process.env.EXPENSIVE_ENDPOINT_LIMIT || '100'),
   message: {
     error: 'Zu viele Anfragen für diese Ressource'
   },

backend/src/routes/shiftPlans.ts

@@ -7,7 +7,9 @@ import {
   updateShiftPlan, 
   deleteShiftPlan,
   createFromPreset,
-  clearAssignments
+  clearAssignments,
+  exportShiftPlanToExcel,
+  exportShiftPlanToPDF
 } from '../controllers/shiftPlanController.js';
 import { 
   validateShiftPlan, 
@@ -30,4 +32,7 @@ router.put('/:id', validateId, validateShiftPlanUpdate, handleValidationErrors,
 router.delete('/:id', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), deleteShiftPlan);
 router.post('/:id/clear-assignments', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), clearAssignments);
 
+router.get('/:id/export/excel', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), exportShiftPlanToExcel);
+router.get('/:id/export/pdf', validateId, handleValidationErrors, requireRole(['admin', 'maintenance']), exportShiftPlanToPDF);
+
 export default router;

frontend/package.json

@@ -7,7 +7,9 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-router-dom": "^6.28.0",
-    "date-fns": "4.1.0"
+    "date-fns": "4.1.0",
+    "@vitejs/plugin-react": "^4.3.3",
+    "vite": "^6.0.7"
   },
   "devDependencies": {
     "@types/node": "20.19.23",
@@ -25,7 +27,9 @@
     "esbuild": "^0.21.0",
     "terser": "5.44.0",
     "babel-plugin-transform-remove-console": "6.9.4",
-    "framer-motion": "12.23.24"
+    "framer-motion": "12.23.24",
+    "file-saver": "2.0.5",
+    "@types/file-saver": "2.0.5"
   },
   "scripts": {
     "dev": "vite dev",

frontend/src/design/DesignSystem.txt

@@ -20,6 +20,8 @@ export const designTokens = {
       10: '#ebd7fa',
     },
 
+    manager: '#CC0000',
+    
     // Semantic Colors
     primary: '#51258f',
     secondary: '#642ab5',

frontend/src/pages/ShiftPlans/ShiftPlanView.tsx

@@ -10,6 +10,7 @@ import { ShiftPlan, TimeSlot, ScheduledShift } from '../../models/ShiftPlan';
 import { Employee, EmployeeAvailability } from '../../models/Employee';
 import { useNotification } from '../../contexts/NotificationContext';
 import { formatDate, formatTime } from '../../utils/foramatters';
+import { saveAs } from 'file-saver';
 
 // Local interface extensions (same as AvailabilityManager)
 interface ExtendedTimeSlot extends TimeSlot {
@@ -54,6 +55,7 @@ const ShiftPlanView: React.FC = () => {
   const [scheduledShifts, setScheduledShifts] = useState<ScheduledShift[]>([]);
   const [showAssignmentPreview, setShowAssignmentPreview] = useState(false);
   const [recreating, setRecreating] = useState(false);
+  const [exporting, setExporting] = useState(false);
 
   useEffect(() => {
     loadShiftPlanData();
@@ -240,6 +242,66 @@ const ShiftPlanView: React.FC = () => {
     };
   };
 
+  const handleExportExcel = async () => {
+    if (!shiftPlan) return;
+
+    try {
+      setExporting(true);
+      
+      // Call the export service
+      const blob = await shiftPlanService.exportShiftPlanToExcel(shiftPlan.id);
+      
+      // Use file-saver to download the file
+      saveAs(blob, `Schichtplan_${shiftPlan.name}_${new Date().toISOString().split('T')[0]}.xlsx`);
+      
+      showNotification({
+        type: 'success',
+        title: 'Export erfolgreich',
+        message: 'Der Schichtplan wurde als Excel-Datei exportiert.'
+      });
+      
+    } catch (error) {
+      console.error('Error exporting to Excel:', error);
+      showNotification({
+        type: 'error',
+        title: 'Export fehlgeschlagen',
+        message: 'Der Excel-Export konnte nicht durchgeführt werden.'
+      });
+    } finally {
+      setExporting(false);
+    }
+  };
+
+  const handleExportPDF = async () => {
+    if (!shiftPlan) return;
+
+    try {
+      setExporting(true);
+      
+      // Call the PDF export service
+      const blob = await shiftPlanService.exportShiftPlanToPDF(shiftPlan.id);
+      
+      // Use file-saver to download the file
+      saveAs(blob, `Schichtplan_${shiftPlan.name}_${new Date().toISOString().split('T')[0]}.pdf`);
+      
+      showNotification({
+        type: 'success',
+        title: 'Export erfolgreich',
+        message: 'Der Schichtplan wurde als PDF exportiert.'
+      });
+      
+    } catch (error) {
+      console.error('Error exporting to PDF:', error);
+      showNotification({
+        type: 'error',
+        title: 'Export fehlgeschlagen',
+        message: 'Der PDF-Export konnte nicht durchgeführt werden.'
+      });
+    } finally {
+      setExporting(false);
+    }
+  };
+
   const loadShiftPlanData = async () => {
     if (!id) return;
     
@@ -399,12 +461,12 @@ const ShiftPlanView: React.FC = () => {
       console.log('- Scheduled Shifts:', scheduledShifts.length);
 
       // DEBUG: Show shift pattern IDs
-      if (shiftPlan.shifts) {
+      /*if (shiftPlan.shifts) {
         console.log('📋 SHIFT PATTERN IDs:');
         shiftPlan.shifts.forEach((shift, index) => {
           console.log(`   ${index + 1}. ${shift.id} (Day ${shift.dayOfWeek}, TimeSlot ${shift.timeSlotId})`);
         });
-      }
+      }*/
 
       const constraints = {
         enforceNoTraineeAlone: true,
@@ -650,6 +712,20 @@ const ShiftPlanView: React.FC = () => {
     return employeesWithoutAvailabilities.length === 0;
   };
 
+  const canPublishAssignment = (): boolean => {
+    if (!assignmentResult) return false;
+    
+    // Check if assignment was successful
+    if (assignmentResult.success === false) return false;
+    
+    // Check if there are any critical violations
+    const hasCriticalViolations = assignmentResult.violations.some(v => 
+      v.includes('ERROR:') || v.includes('KRITISCH:')
+    );
+    
+    return !hasCriticalViolations;
+  };
+
   const getAvailabilityStatus = () => {
     const totalEmployees = employees.length;
     const employeesWithAvailabilities = new Set(
@@ -820,9 +896,6 @@ const ShiftPlanView: React.FC = () => {
                     <div style={{ fontSize: '14px', color: '#666' }}>
                       {formatTime(timeSlot.startTime)} - {formatTime(timeSlot.endTime)}
                     </div>
-                    <div style={{ fontSize: '11px', color: '#999', marginTop: '4px' }}>
-                      ID: {timeSlot.id.substring(0, 8)}...
-                    </div>
                   </td>
                   {days.map(weekday => {
                     const shift = timeSlot.shiftsByDay[weekday.id];
@@ -846,7 +919,55 @@ const ShiftPlanView: React.FC = () => {
                     const isValidShift = shift.timeSlotId === timeSlot.id && shift.dayOfWeek === weekday.id;
                     
                     let assignedEmployees: string[] = [];
-                    let displayText = '';
+                    let displayContent: React.ReactNode = null;
+
+                    // Helper function to create employee boxes
+                    const createEmployeeBoxes = (employeeIds: string[]) => {
+                      return employeeIds.map(empId => {
+                        const employee = employees.find(emp => emp.id === empId);
+                        if (!employee) return null;
+                        
+                        // Determine background color based on employee role
+                        let backgroundColor = '#642ab5'; // Default: non-trainee personnel (purple)
+                        
+                        if (employee.isTrainee) {
+                          backgroundColor = '#cda8f0'; // Trainee
+                        } else if (employee.roles?.includes('manager')) {
+                          backgroundColor = '#CC0000'; // Manager
+                        }
+                        
+                        return (
+                          <div
+                            key={empId}
+                            style={{
+                              backgroundColor,
+                              color: 'white',
+                              padding: '4px 8px',
+                              borderRadius: '4px',
+                              marginBottom: '2px',
+                              fontSize: '12px',
+                              textAlign: 'center',
+                              whiteSpace: 'nowrap',
+                              overflow: 'hidden',
+                              textOverflow: 'ellipsis'
+                            }}
+                            title={`${employee.firstname} ${employee.lastname}${employee.isTrainee ? ' (Trainee)' : ''}`}
+                          >
+                            {employee.firstname} {employee.lastname}
+                          </div>
+                        );
+                      }).filter(Boolean);
+                    };
+
+                    // Helper function to get fallback content
+                    const getFallbackContent = () => {
+                      const shiftsForSlot = shiftPlan?.shifts?.filter(s => 
+                        s.dayOfWeek === weekday.id && 
+                        s.timeSlotId === timeSlot.id
+                      ) || [];
+                      const totalRequired = shiftsForSlot.reduce((sum, s) => sum + s.requiredEmployees, 0);
+                      return totalRequired === 0 ? '-' : `0/${totalRequired}`;
+                    };
 
                     if (shiftPlan?.status === 'published') {
                       // For published plans, use actual assignments from scheduled shifts
@@ -859,15 +980,21 @@ const ShiftPlanView: React.FC = () => {
                       if (scheduledShift) {
                         assignedEmployees = scheduledShift.assignedEmployees || [];
                         
-                        // DEBUG: Log if we're still seeing old data
+                        // Log if we're still seeing old data
                         if (assignedEmployees.length > 0) {
                           console.warn(`⚠️ Found non-empty assignments for ${weekday.name} ${timeSlot.name}:`, assignedEmployees);
                         }
                         
-                        displayText = assignedEmployees.map(empId => {
-                          const employee = employees.find(emp => emp.id === empId);
-                          return employee ? `${employee.firstname} ${employee.lastname}` : 'Unbekannt';
-                        }).join(', ');
+                        const employeeBoxes = createEmployeeBoxes(assignedEmployees);
+                        displayContent = employeeBoxes.length > 0 ? (
+                          <div style={{ display: 'flex', flexDirection: 'column', gap: '2px' }}>
+                            {employeeBoxes}
+                          </div>
+                        ) : (
+                          <div style={{ color: '#666', fontStyle: 'italic' }}>
+                            {getFallbackContent()}
+                          </div>
+                        );
                       }
                     } else if (assignmentResult) {
                       // For draft with preview, use assignment result
@@ -879,30 +1006,26 @@ const ShiftPlanView: React.FC = () => {
                       
                       if (scheduledShift) {
                         assignedEmployees = getAssignmentsForScheduledShift(scheduledShift);
-                        displayText = assignedEmployees.map(empId => {
-                          const employee = employees.find(emp => emp.id === empId);
-                          return employee ? `${employee.firstname} ${employee.lastname}` : 'Unbekannt';
-                        }).join(', ');
+                        const employeeBoxes = createEmployeeBoxes(assignedEmployees);
+                        displayContent = employeeBoxes.length > 0 ? (
+                          <div style={{ display: 'flex', flexDirection: 'column', gap: '2px' }}>
+                            {employeeBoxes}
+                          </div>
+                        ) : (
+                          <div style={{ color: '#666', fontStyle: 'italic' }}>
+                            {getFallbackContent()}
+                          </div>
+                        );
                       }
                     }
 
-                    // If no assignments yet, show empty or required count
-                    if (!displayText) {
-                      const shiftsForSlot = shiftPlan?.shifts?.filter(s => 
-                        s.dayOfWeek === weekday.id && 
-                        s.timeSlotId === timeSlot.id
-                      ) || [];
-                      
-                      const totalRequired = shiftsForSlot.reduce((sum, s) => 
-                        sum + s.requiredEmployees, 0);
-                      
-                      // Show "0/2" instead of just "0" to indicate it's empty
-                      displayText = `0/${totalRequired}`;
-                      
-                      // Optional: Show empty state more clearly
-                      if (totalRequired === 0) {
-                        displayText = '-';
-                      }
+                    // If no display content set yet, use fallback
+                    if (!displayContent) {
+                      displayContent = (
+                        <div style={{ color: '#666', fontStyle: 'italic' }}>
+                          {getFallbackContent()}
+                        </div>
+                      );
                     }
 
                     return (
@@ -937,7 +1060,7 @@ const ShiftPlanView: React.FC = () => {
                           </div>
                         )}
 
-                        {displayText}
+                        {displayContent}
 
                         {/* Shift debug info - SAME AS AVAILABILITYMANAGER */}
                         <div style={{ 
@@ -947,8 +1070,6 @@ const ShiftPlanView: React.FC = () => {
                           textAlign: 'left',
                           fontFamily: 'monospace'
                         }}>
-                          <div>Shift: {shift.id.substring(0, 6)}...</div>
-                          <div>Day: {shift.dayOfWeek}</div>
                           {!isValidShift && (
                             <div style={{ color: '#e74c3c', fontWeight: 'bold' }}>
                               VALIDATION ERROR
@@ -963,7 +1084,6 @@ const ShiftPlanView: React.FC = () => {
             </tbody>
           </table>
         </div>
-
       </div>
     );
   };
@@ -1005,6 +1125,49 @@ const ShiftPlanView: React.FC = () => {
           </div>
         </div>
           <div style={{ display: 'flex', gap: '10px', alignItems: 'center' }}>
+          {shiftPlan.status === 'published' && hasRole(['admin', 'maintenance']) && (
+            <>
+              <button
+                onClick={handleExportExcel}
+                disabled={exporting}
+                style={{
+                  padding: '10px 20px',
+                  backgroundColor: '#27ae60',
+                  color: 'white',
+                  border: 'none',
+                  borderRadius: '4px',
+                  cursor: exporting ? 'not-allowed' : 'pointer',
+                  fontWeight: 'bold',
+                  display: 'flex',
+                  alignItems: 'center',
+                  gap: '8px'
+                }}
+              >
+                {exporting ? '🔄' : '📊'} {exporting ? 'Exportiert...' : 'Excel Export'}
+              </button>
+              
+              <button
+                onClick={handleExportPDF}
+                disabled={exporting}
+                style={{
+                  padding: '10px 20px',
+                  backgroundColor: '#e74c3c',
+                  color: 'white',
+                  border: 'none',
+                  borderRadius: '4px',
+                  cursor: exporting ? 'not-allowed' : 'pointer',
+                  fontWeight: 'bold',
+                  display: 'flex',
+                  alignItems: 'center',
+                  gap: '8px'
+                }}
+              >
+                {exporting ? '🔄' : '📄'} {exporting ? 'Exportiert...' : 'PDF Export'}
+              </button>
+            </>
+          )}
+          
+          {/* "Zuweisungen neu berechnen" button */}
           {shiftPlan.status === 'published' && hasRole(['admin', 'maintenance']) && (
             <button
               onClick={handleRecreateAssignments}
@@ -1197,15 +1360,13 @@ const ShiftPlanView: React.FC = () => {
               </div>
             )}
               
-            {/* KORRIGIERTE ZUSAMMENFASSUNG */}
+            {/* ZUSAMMENFASSUNG */}
             {assignmentResult && (
               <div style={{ marginBottom: '20px' }}>
                 <h4>Zusammenfassung:</h4>
                 
                 {/* Entscheidung basierend auf tatsächlichen kritischen Problemen */}
-                {assignmentResult.violations.filter(v => 
-                  v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                ).length === 0 ? (
+                {(assignmentResult.violations.length === 0) || assignmentResult.success == true ? (
                   <div style={{
                     padding: '15px',
                     backgroundColor: '#d4edda',
@@ -1288,32 +1449,24 @@ const ShiftPlanView: React.FC = () => {
                 Abbrechen
               </button>
               
-              {/* KORRIGIERTER BUTTON MIT TYPESCRIPT-FIX */}
+              {/* BUTTON zum publishen */}
               <button
                 onClick={handlePublish}
-                disabled={publishing || (assignmentResult ? assignmentResult.violations.filter(v => 
-                  v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                ).length > 0 : true)}
+                disabled={publishing || !canPublishAssignment()}
                 style={{
                   padding: '10px 20px',
-                  backgroundColor: assignmentResult ? (assignmentResult.violations.filter(v => 
-                    v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                  ).length === 0 ? '#2ecc71' : '#95a5a6') : '#95a5a6',
+                  backgroundColor: canPublishAssignment() ? '#2ecc71' : '#95a5a6',
                   color: 'white',
                   border: 'none',
                   borderRadius: '4px',
-                  cursor: assignmentResult ? (assignmentResult.violations.filter(v => 
-                    v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                  ).length === 0 ? 'pointer' : 'not-allowed') : 'not-allowed',
+                  cursor: canPublishAssignment() ? 'pointer' : 'not-allowed',
                   fontWeight: 'bold',
                   fontSize: '16px'
                 }}
               >
                 {publishing ? 'Veröffentliche...' : (
                   assignmentResult ? (
-                    assignmentResult.violations.filter(v => 
-                      v.includes('ERROR:') || v.includes('❌ KRITISCH:')
-                    ).length === 0 
+                    canPublishAssignment() 
                       ? 'Schichtplan veröffentlichen' 
                       : 'Kritische Probleme müssen behoben werden'
                   ) : 'Lade Zuordnungen...'

frontend/src/services/apiClient.ts

@@ -26,7 +26,7 @@ export class ApiClient {
     return token ? { 'Authorization': `Bearer ${token}` } : {};
   }
 
-  private async handleApiResponse<T>(response: Response): Promise<T> {
+  private async handleApiResponse<T>(response: Response, responseType: 'json' | 'blob' = 'json'): Promise<T> {
     if (!response.ok) {
       let errorData;
       
@@ -61,7 +61,12 @@ export class ApiClient {
       );
     }
 
-    // For successful responses, try to parse as JSON
+    // Handle blob responses (for file downloads)
+    if (responseType === 'blob') {
+      return response.blob() as Promise<T>;
+    }
+
+    // For successful JSON responses, try to parse as JSON
     try {
       const responseText = await response.text();
       return responseText ? JSON.parse(responseText) : {} as T;
@@ -71,7 +76,7 @@ export class ApiClient {
     }
   }
 
-  async request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
+  async request<T>(endpoint: string, options: RequestInit = {}, responseType: 'json' | 'blob' = 'json'): Promise<T> {
     const url = `${this.baseURL}${endpoint}`;
     
     const config: RequestInit = {
@@ -85,7 +90,7 @@ export class ApiClient {
 
     try {
       const response = await fetch(url, config);
-      return await this.handleApiResponse<T>(response);
+      return await this.handleApiResponse<T>(response, responseType);
     } catch (error) {
       // Re-throw the error to be caught by useBackendValidation
       if (error instanceof ApiError) {

frontend/src/services/shiftPlanService.ts

@@ -126,4 +126,60 @@ export const shiftPlanService = {
       throw error;
     }
   },
+
+  async exportShiftPlanToExcel(planId: string): Promise<Blob> {
+    try {
+      console.log('📊 Exporting shift plan to Excel:', planId);
+      
+      // Use the apiClient with blob response handling
+      const blob = await apiClient.request<Blob>(`/shift-plans/${planId}/export/excel`, {
+        method: 'GET',
+      }, 'blob');
+      
+      console.log('✅ Excel export successful');
+      return blob;
+    } catch (error: any) {
+      console.error('❌ Error exporting to Excel:', error);
+      
+      if (error.statusCode === 401) {
+        localStorage.removeItem('token');
+        localStorage.removeItem('employee');
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      
+      if (error.statusCode === 404) {
+        throw new Error('Schichtplan nicht gefunden');
+      }
+      
+      throw new Error('Fehler beim Excel-Export des Schichtplans');
+    }
+  },
+
+  async exportShiftPlanToPDF(planId: string): Promise<Blob> {
+    try {
+      console.log('📄 Exporting shift plan to PDF:', planId);
+      
+      // Use the apiClient with blob response handling
+      const blob = await apiClient.request<Blob>(`/shift-plans/${planId}/export/pdf`, {
+        method: 'GET',
+      }, 'blob');
+      
+      console.log('✅ PDF export successful');
+      return blob;
+    } catch (error: any) {
+      console.error('❌ Error exporting to PDF:', error);
+      
+      if (error.statusCode === 401) {
+        localStorage.removeItem('token');
+        localStorage.removeItem('employee');
+        throw new Error('Nicht authorisiert - bitte erneut anmelden');
+      }
+      
+      if (error.statusCode === 404) {
+        throw new Error('Schichtplan nicht gefunden');
+      }
+      
+      throw new Error('Fehler beim PDF-Export des Schichtplans');
+    }
+  },
 };