changes to the _upload student to have the field encryptet

Web/app.py

@@ -2151,14 +2151,15 @@ def generate_ausweis_id_excel(existing_ids_set):
             print(f"Already found: {new_id}, trying another...")
 
 def _upload_student_cards_excel():
-    """Bulk import student cards with optional school year rollover (Abgleich)."""
+    """Bulk import student cards from Excel with automatic name/class mapping, rollover support, and encryption."""
     if 'username' not in session:
         flash('Nicht angemeldet.', 'error')
         return redirect(url_for('login'))
 
     current_permissions = us.get_effective_permissions(session['username'])
+
     if not current_permissions['actions'].get('can_manage_user', False):
-        flash('Ihnen fehlen die nötigen Berechtigungen.', 'error')
+        flash('Ihnen fehlen die nötigen Berechtigungen, um diese Aktion auszuführen.', 'error')
         return redirect(url_for('library_view'))
 
     if not cfg.MODULES.is_enabled('student_cards'):
@@ -2175,7 +2176,6 @@ def _upload_student_cards_excel():
         flash('Nur .xlsx oder .csv Dateien werden unterstützt.', 'error')
         return redirect(url_for('student_cards_admin'))
 
-    # CHECKBOX / SCHALTER: Schuljahres-Abgleich aktiviert?
     rollover_mode = request.form.get('rollover_mode') in ['true', '1', 'on']
 
     try:
@@ -2220,7 +2220,7 @@ def _upload_student_cards_excel():
     }
 
     validation_only = (request.form.get('excel_action') or '').strip().lower() == 'validate'
-    max_rows = 15000
+    max_rows = 1500
 
     planned_rows = []
     validation_errors = []
@@ -2230,11 +2230,14 @@ def _upload_student_cards_excel():
     client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
     try:
         db = client[cfg.MONGODB_DB]
-        raw_db_cards = list(db['student_cards'].find())
+        student_cards_col = db['student_cards']
 
-        for card in raw_db_cards:
-            if card.get('AusweisId'):
-                existing_ids.add(str(card.get('AusweisId')).strip().upper())
+        student_cards_cursor = student_cards_col.find({}, {'AusweisId': 1})
+        existing_ids.update(
+            str(card.get('AusweisId', '')).strip().upper()
+            for card in student_cards_cursor
+            if card.get('AusweisId')
+        )
 
         processed_rows = 0
         for row_number, row_values in enumerate(data_rows, start=2):
@@ -2267,6 +2270,20 @@ def _upload_student_cards_excel():
             if not student_name:
                 row_errors.append('Vorname und Nachname fehlen')
 
+            if not ausweis_id and student_name:
+                ausweis_id = generate_ausweis_id(existing_ids)
+                validation_warnings.append((row_number, f'Ausweis-ID wurde automatisch erzeugt: {ausweis_id}'))
+                existing_ids.add(ausweis_id.upper())
+            elif ausweis_id and not rollover_mode:
+                ausweis_id = str(ausweis_id).strip().upper()
+                if ausweis_id in existing_ids:
+                    row_errors.append(f'Ausweis-ID {ausweis_id} existiert bereits')
+                else:
+                    existing_ids.add(ausweis_id)
+
+            if not ausweis_ident:
+                ausweis_ident = ausweis_id
+
             if row_errors:
                 validation_errors.append((row_number, '; '.join(row_errors)))
                 continue
@@ -2276,8 +2293,6 @@ def _upload_student_cards_excel():
                 'ausweis_id': ausweis_id,
                 'ausweis_ident': ausweis_ident,
                 'student_name': student_name,
-                'first_name': first_name,
-                'last_name': last_name,
                 'class_name': class_name,
                 'notes': notes,
                 'default_borrow_days': default_borrow_days,
@@ -2293,16 +2308,19 @@ def _upload_student_cards_excel():
         matched_count = 0
 
         if rollover_mode:
+            raw_db_cards = list(student_cards_col.find())
             decrypted_db_cards = []
-            for doc in raw_db_cards:
-                dec_name = dp.decrypt_text(doc.get('SchülerName')) if doc.get('SchülerName') else ""
-                dec_class = dp.decrypt_text(doc.get('Klasse')) if doc.get('Klasse') else ""
-                dec_ident = doc.get('AusweisIdent') or ""
 
-                if dec_ident and dec_ident.startswith("gAAAAA"):
+            for doc in raw_db_cards:
+                dec_name = decrypt_text(doc.get('SchülerName')) if doc.get('SchülerName') else ""
+                dec_class = decrypt_text(doc.get('Klasse')) if doc.get('Klasse') else ""
+
+                raw_ident = doc.get('ausweis_ident') or doc.get('AusweisIdent') or ""
+                dec_ident = raw_ident
+                if raw_ident and str(raw_ident).startswith("gAAAAA"):
                     try:
-                        dec_ident = dp.decrypt_text(dec_ident)
-                    except:
+                        dec_ident = decrypt_text(raw_ident)
+                    except Exception:
                         pass
 
                 decrypted_db_cards.append({
@@ -2319,12 +2337,11 @@ def _upload_student_cards_excel():
                 ex_class = str(excel_row['class_name'] or '').strip().lower()
 
                 match_found = None
-
                 for db_card in decrypted_db_cards:
                     if db_card['_id'] in matched_db_doc_ids:
                         continue
-                    ident_matches = ex_ident and (ex_ident == db_card['AusweisIdent'])
 
+                    ident_matches = ex_ident and (ex_ident == db_card['AusweisIdent'])
                     secondary_matches = (ex_name and ex_name == db_card['SchülerName']) and \
                                         (ex_class and ex_class == db_card['Klasse'])
 
@@ -2347,15 +2364,18 @@ def _upload_student_cards_excel():
             db_ids_to_delete = []
 
         if validation_only:
-            flash(
-                f'Validierung erfolgreich ({len(planned_rows)} Excel-Zeilen). '
-                f'Abgleich: {matched_count} unverändert, {len(rows_to_create)} neu, {len(db_ids_to_delete)} zum Löschen.',
-                'success'
-            )
+            warning_text = f" Hinweise: {'; '.join([f'Zeile {n}: {msg}' for n, msg in validation_warnings[:10]])}" if validation_warnings else ""
+            if rollover_mode:
+                flash(
+                    f'Validierung erfolgreich ({len(planned_rows)} Excel-Zeilen). '
+                    f'Abgleich-Vorschau: {matched_count} unverändert, {len(rows_to_create)} neu, {len(db_ids_to_delete)} zum Löschen.{warning_text}',
+                    'success'
+                )
+            else:
+                flash(f'Validierung erfolgreich: {len(planned_rows)} Ausweise würden importiert.{warning_text}',
+                      'success')
             return redirect(url_for('student_cards_admin'))
 
-        student_cards_col = db['student_cards']
-
         deleted_count = 0
         if db_ids_to_delete:
             res = student_cards_col.delete_many({'_id': {'$in': db_ids_to_delete}})
@@ -2363,18 +2383,9 @@ def _upload_student_cards_excel():
 
         created_total = 0
         for row in rows_to_create:
-            row_ausweis_id = row['ausweis_id']
-            if not row_ausweis_id:
-                row_ausweis_id = generate_ausweis_id(existing_ids)
-                existing_ids.add(row_ausweis_id.upper())
-
-            row_ausweis_ident = row['ausweis_ident']
-            if not row_ausweis_ident:
-                random_chars = "".join(random.choices(string.ascii_uppercase + string.digits, k=5))
-                row_ausweis_ident = f"LD-{random_chars}"
-
             encrypted_payload = encrypt_document_fields(
                 {
+                    'ausweis_ident': row['ausweis_ident'],
                     'SchülerName': row['student_name'],
                     'Klasse': row['class_name'],
                     'Notizen': row['notes'],
@@ -2382,8 +2393,7 @@ def _upload_student_cards_excel():
                 STUDENT_CARD_ENCRYPTED_FIELDS
             )
             student_cards_col.insert_one({
-                'AusweisId': row_ausweis_id,
-                'AusweisIdent': row_ausweis_ident,
+                'AusweisId': row['ausweis_id'],
                 'StandardAusleihdauer': int(row['default_borrow_days']),
                 'Erstellt': datetime.datetime.now(),
                 **encrypted_payload,
@@ -2391,20 +2401,21 @@ def _upload_student_cards_excel():
             created_total += 1
 
     except Exception as exc:
-        app.logger.error(f'Error importing student cards: {exc}')
-        flash('Fehler beim Verarbeiten der Bibliotheksausweise.', 'error')
+        app.logger.error(f'Error importing student cards from Excel: {exc}')
+        flash('Fehler beim Import der Bibliotheksausweise.', 'error')
         return redirect(url_for('student_cards_admin'))
     finally:
         client.close()
 
+    warning_details = f" Hinweise: {'; '.join([f'Zeile {n}: {msg}' for n, msg in validation_warnings[:10]])}" if validation_warnings else ""
     if rollover_mode:
         flash(
             f'Schuljahres-Abgleich erfolgreich: {matched_count} Schüler beibehalten, '
-            f'{created_total} neu hinzugefügt, {deleted_count} alte Einträge gelöscht.',
+            f'{created_total} neu hinzugefügt, {deleted_count} alte Einträge gelöscht.{warning_details}',
             'success'
         )
     else:
-        flash(f'Excel-Import erfolgreich: {created_total} Ausweise importiert.', 'success')
+        flash(f'Excel-Import erfolgreich: {created_total} Ausweise importiert.{warning_details}', 'success')
 
     return redirect(url_for('student_cards_admin'))