Rollback

v2_adminpanel/utils/export.py

@@ -124,4 +124,48 @@ def prepare_audit_export_data(audit_logs):
             str(log['new_values']) if log['new_values'] else '',
             log['additional_info'] or ''
         ])
-    return export_data
+    return export_data
+
+
+def create_batch_export(licenses):
+    """Create Excel export for batch licenses"""
+    export_data = []
+    
+    for license in licenses:
+        export_data.append({
+            'Lizenzschlüssel': license['license_key'],
+            'Kunde': license.get('customer_name', ''),
+            'Email': license.get('email', ''),
+            'Max. Benutzer': license.get('max_users', 1),
+            'Geräte-Limit': license.get('device_limit', 1),
+            'Gültig von': format_datetime_for_export(license.get('valid_from')),
+            'Gültig bis': format_datetime_for_export(license.get('valid_until')),
+            'Status': 'Aktiv' if license.get('is_active', True) else 'Inaktiv',
+            'Test-Lizenz': 'Ja' if license.get('is_test', False) else 'Nein'
+        })
+    
+    df = pd.DataFrame(export_data)
+    
+    # Create Excel file in memory
+    output = BytesIO()
+    with pd.ExcelWriter(output, engine='openpyxl') as writer:
+        df.to_excel(writer, index=False, sheet_name='Batch-Lizenzen')
+        
+        # Auto-adjust column widths
+        worksheet = writer.sheets['Batch-Lizenzen']
+        for idx, col in enumerate(df.columns):
+            max_length = max(df[col].astype(str).map(len).max(), len(col)) + 2
+            worksheet.column_dimensions[get_column_letter(idx + 1)].width = min(max_length, 50)
+    
+    output.seek(0)
+    
+    # Generate filename with timestamp
+    timestamp = datetime.now(ZoneInfo("Europe/Berlin")).strftime('%Y%m%d_%H%M%S')
+    filename = f"batch_licenses_{timestamp}.xlsx"
+    
+    return send_file(
+        output,
+        mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+        as_attachment=True,
+        download_name=filename
+    )