Cleanup of the front end and backend of the upload function to only allow images and no videos because of space and memory reasons as well as hardening the uploading process.

Removal of dupolicate function.
Improvement of the style for the Library Module
2026-08-15 01:38:35 +02:00 · 2026-08-15 01:33:38 +02:00 · 2026-08-15 00:08:13 +02:00 · 2026-08-14 23:18:29 +02:00 · 2026-08-14 23:01:01 +02:00
4 changed files with 160 additions and 721 deletions
@@ -3927,7 +3927,6 @@ def upload_admin():
    """
    Upload page route for inventory items.
    Accessible to users with insert permission.
-    Supports duplication by passing duplicate_from parameter.
    
    Returns:
        flask.Response: Rendered template or redirect
@@ -3940,54 +3939,9 @@ def upload_admin():
        flash('Ihnen ist es nicht gestattet auf dieser Internetanwendung, die eben besuchte Adrrese zu nutzen, versuchen sie es erneut nach dem sie sich mit einem berechtigten Nutzer angemeldet haben!', 'error')
        return redirect(url_for('login'))
    
-    # Check if this is a duplication request
-    duplicate_from = request.args.get('duplicate_from')
-    duplicate_flag = request.args.get('duplicate')  # Check for sessionStorage-based duplication
-    duplicate_data = None
-    
-    # Handle the old method (duplicate_from parameter with item ID)
-    if duplicate_from:
-        try:
-            original_item = it.get_item(duplicate_from)
-            if original_item:
-                duplicate_data = {
-                    'name': original_item.get('Name', ''),
-                    'description': original_item.get('Beschreibung', ''),
-                    'location': original_item.get('Ort', ''),
-                    'room': original_item.get('Raum', ''),
-                    'category': original_item.get('Kategorie', ''),
-                    'year': original_item.get('Anschaffungsjahr', ''),
-                    'cost': original_item.get('Anschaffungskosten', ''),
-                    'filter1': original_item.get('Filter1', ''),
-                    'filter2': original_item.get('Filter2', ''),
-                    'filter3': original_item.get('Filter3', ''),
-                    'images': original_item.get('Images', []),
-                    'original_id': duplicate_from
-                }
-                # Copy all filter fields (Filter1_1 through Filter3_5)
-                for i in range(1, 4):  # Filter1, Filter2, Filter3
-                    for j in range(1, 6):  # _1 through _5
-                        filter_key = f'Filter{i}_{j}'
-                        if filter_key in original_item:
-                            duplicate_data[f'filter{i}_{j}'] = original_item[filter_key]
-                
-                flash('Element wird dupliziert. Bitte überprüfen Sie die Daten und passen Sie sie bei Bedarf an.', 'info')
-            else:
-                flash('Ursprungs-Element für Duplizierung nicht gefunden.', 'error')
-        except Exception as e:
-            app.logger.warning(f"Error loading item for duplication: {e}")
-            flash('Fehler beim Laden der Duplizierungsdaten.', 'error')
-    
-    # Handle the new method (sessionStorage-based duplication)
-    elif duplicate_flag == 'true':
-        # No server-side processing needed - JavaScript will handle sessionStorage data
-        # Just indicate that duplication mode is active
-        flash('Element wird dupliziert. Die Daten werden aus dem Session-Speicher geladen.', 'info')
-    
    return render_template(
        'upload_admin.html',
        username=session['username'],
-        duplicate_data=duplicate_data,
        library_module_enabled=cfg.MODULES.is_enabled('library'),
        student_cards_module_enabled=cfg.MODULES.is_enabled('student_cards'),
        show_library_features=False,
@@ -4014,46 +3968,9 @@ def library_admin():
        flash('Bibliotheks-Modul ist deaktiviert.', 'error')
        return redirect(url_for('home_admin'))

-    duplicate_from = request.args.get('duplicate_from')
-    duplicate_flag = request.args.get('duplicate')
-    duplicate_data = None
-
-    if duplicate_from:
-        try:
-            original_item = it.get_item(duplicate_from)
-            if original_item:
-                duplicate_data = {
-                    'name': original_item.get('Name', ''),
-                    'description': original_item.get('Beschreibung', ''),
-                    'location': original_item.get('Ort', ''),
-                    'room': original_item.get('Raum', ''),
-                    'category': original_item.get('Kategorie', ''),
-                    'year': original_item.get('Anschaffungsjahr', ''),
-                    'cost': original_item.get('Anschaffungskosten', ''),
-                    'filter1': original_item.get('Filter1', ''),
-                    'filter2': original_item.get('Filter2', ''),
-                    'filter3': original_item.get('Filter3', ''),
-                    'images': original_item.get('Images', []),
-                    'original_id': duplicate_from
-                }
-                for i in range(1, 4):
-                    for j in range(1, 6):
-                        filter_key = f'Filter{i}_{j}'
-                        if filter_key in original_item:
-                            duplicate_data[f'filter{i}_{j}'] = original_item[filter_key]
-                flash('Buch wird dupliziert. Bitte überprüfen Sie die Daten und passen Sie sie bei Bedarf an.', 'info')
-            else:
-                flash('Ursprungs-Element für Duplizierung nicht gefunden.', 'error')
-        except Exception as e:
-            app.logger.warning(f"Error loading item for duplication: {e}")
-            flash('Fehler beim Laden der Duplizierungsdaten.', 'error')
-    elif duplicate_flag == 'true':
-        flash('Buch wird dupliziert. Die Daten werden aus dem Session-Speicher geladen.', 'info')
-
    return render_template(
        'upload_admin.html',
        username=session['username'],
-        duplicate_data=duplicate_data,
        library_module_enabled=cfg.MODULES.is_enabled('library'),
        student_cards_module_enabled=cfg.MODULES.is_enabled('student_cards'),
        show_library_features=True,
@@ -5322,15 +5239,15 @@ def debug_favorites():
 def upload_item():
    """
    Route for adding new items to the inventory.
-    Handles file uploads and creates QR codes.
+    Handles image file uploads and creates QR codes.
    Enhanced for mobile browser compatibility.
-    
+
    Returns:
        flask.Response: Redirect to admin homepage
    """
    if 'username' not in session:
        return jsonify({'success': False, 'message': 'Nicht angemeldet'}), 401
-        
+
    item_is_library = False

    # Check if user may insert items
@@ -5348,20 +5265,20 @@ def upload_item():

    # Detect if request is from mobile device
    is_mobile = 'Mobile' in request.headers.get('User-Agent', '')
-    
-    # Log mobile request for debugging
+
    if is_mobile:
-        app.logger.info(f"Mobile upload from {request.headers.get('User-Agent', 'unknown')} by {encrypt_text(username)}")
-    
+        app.logger.info(
+            f"Mobile upload from {request.headers.get('User-Agent', 'unknown')} by {encrypt_text(username)}")
+
    try:
        # Strip whitespace from all text fields
        name = sanitize_form_value(request.form['name'])
        ort = sanitize_form_value(request.form['ort'])
        beschreibung = sanitize_form_value(request.form['beschreibung'])
-        
+
        # Check both possible image field names
        images = request.files.getlist('images') or request.files.getlist('new_images')
-        
+
        filter_upload = sanitize_form_value(request.form.getlist('filter'))
        filter_upload2 = sanitize_form_value(request.form.getlist('filter2'))
        filter_upload3 = sanitize_form_value(request.form.getlist('filter3'))
@@ -5374,7 +5291,7 @@ def upload_item():
        item_count_raw = sanitize_form_value(request.form.get('item_count', '1'))
        item_type_input = sanitize_form_value(request.form.get('item_type_input', ''))
        library_category = sanitize_form_value(request.form.get('library_category', ''))
-        
+
        if library_category != '':
            item_is_library = True

@@ -5384,46 +5301,30 @@ def upload_item():
            item_count = 1
        item_count = max(1, min(item_count, 100))

-        # Optional list of per-item codes (one code per line)
+        # Optional list of per-item codes
        individual_codes = []
        if individual_codes_raw:
-            individual_codes = [c.strip() for c in str(individual_codes_raw).replace(',', '\n').splitlines() if c.strip()]
-        
+            individual_codes = [c.strip() for c in str(individual_codes_raw).replace(',', '\n').splitlines() if
+                                c.strip()]

-        # Check if this is a duplication
-        is_duplicating = request.form.get('is_duplicating') == 'true'
-        
-        # Get duplicate_images if duplicating
-        duplicate_images = request.form.getlist('duplicate_images') if is_duplicating else []
-        
-        # Make sure duplicate_images is always a list, even if there's only one
-        if is_duplicating and duplicate_images and not isinstance(duplicate_images, list):
-            duplicate_images = [duplicate_images]
-        
-        # Log details about each image
-        if is_duplicating and duplicate_images:
-            for i, img in enumerate(duplicate_images):
-                print(f"DEBUG: Duplicate image {i+1}/{len(duplicate_images)}: {img}")
-        
        # Get book cover image if downloaded
        book_cover_image = request.form.get('book_cover_image')
-        
-        # Special handling for mobile browsers that might send data differently
+
+        # Special handling for mobile browsers
        if is_mobile and 'mobile_data' in request.form:
            try:
                mobile_data = json.loads(request.form['mobile_data'])
-                # Override values with mobile data if available
                if 'filters' in mobile_data:
                    filter_upload = mobile_data.get('filters', [])
                if 'filters2' in mobile_data:
                    filter_upload2 = mobile_data.get('filters2', [])
                if 'filters3' in mobile_data:
                    filter_upload3 = mobile_data.get('filters3', [])
-                if 'duplicate_images' in mobile_data and mobile_data['duplicate_images']:
-                    duplicate_images = mobile_data.get('duplicate_images', [])
            except json.JSONDecodeError as e:
                app.logger.error(f"Error parsing mobile data: {str(e)}")
-    except:
+
+    except Exception as e:
+        app.logger.error(f"Upload Form Data Parsing Error: {str(e)}")
        flash('Fehler beim Verarbeiten der Formulardaten. Bitte versuchen Sie es erneut.', 'error')
        return redirect(url_for(success_redirect_endpoint))

@@ -5431,7 +5332,7 @@ def upload_item():
    filter_upload = expand_filter_selection(filter_upload, 1)
    filter_upload2 = expand_filter_selection(filter_upload2, 2)

-    # Validation
+    # Base Validation
    if not name or not ort or not beschreibung:
        error_msg = 'Bitte füllen Sie alle erforderlichen Felder aus'
        if is_mobile:
@@ -5467,9 +5368,8 @@ def upload_item():
            flash(error_msg, 'error')
            return redirect(url_for('library_admin'))

-    # Only check for images if not duplicating and no duplicate images provided and no book cover
-    # For library mode, skip this check as images come only from ISBN fetch
-    if upload_mode != 'library' and not is_duplicating and not images and not duplicate_images and not book_cover_image:
+    # Strict Image Validation (Since duplication is removed)
+    if upload_mode != 'library' and not images and not book_cover_image:
        error_msg = 'Bitte laden Sie mindestens ein Bild hoch'
        if is_mobile:
            return jsonify({'success': False, 'message': error_msg}), 400
@@ -5478,36 +5378,20 @@ def upload_item():
            return redirect(url_for(success_redirect_endpoint))

    primary_code_raw = request.form.get('code_4', '').strip()
-    individual_codes_raw = request.form.get('individual_codes', '').strip()
-    
+
    all_item_codes = []
-    
    if primary_code_raw:
        all_item_codes.append(primary_code_raw)
-        
-    if individual_codes_raw:
-        extra_codes = [c.strip() for c in individual_codes_raw.replace('\r', '').split('\n') if c.strip()]

-        for c in extra_codes:
+    if individual_codes:
+        for c in individual_codes:
            if c not in all_item_codes:
                all_item_codes.append(c)

    if len(all_item_codes) > 0:
        item_count = len(all_item_codes)
-    else:
-        try:
-            item_count = int(request.form.get('item_count', 1))
-        except ValueError:
-            item_count = 1
-
-    if upload_mode != 'library' and not is_duplicating and not images and not duplicate_images and not book_cover_image:
-        error_msg = 'Bitte laden Sie mindestens ein Bild hoch'
-        if is_mobile:
-            return jsonify({'success': False, 'message': error_msg}), 400
-        else:
-            flash(error_msg, 'error')
-            return redirect(url_for(success_redirect_endpoint))

+    # Check unique codes
    for code in all_item_codes:
        if not it.is_code_unique(code):
            app.logger.info(f"DEBUG: Code '{code}' is not unique.")
@@ -5517,12 +5401,12 @@ def upload_item():
                    error_msg = 'Der Code wird bereits verwendet. Umleitung zum Eintrag.'
                    if is_mobile:
                        return jsonify({
-                            'success': False, 
+                            'success': False,
                            'message': error_msg,
                            'existing_item_id': str(existing_item['_id']),
                            'redirect_to_item': True
                        }), 400
-                    
+
                    flash(error_msg, 'info')
                    return redirect(url_for(success_redirect_endpoint, open_item=str(existing_item['_id'])))

@@ -5534,14 +5418,11 @@ def upload_item():
                return redirect(url_for(success_redirect_endpoint))

    def generate_unique_batch_code(base_code, position):
-        """Generate a unique code for every item in a batch if no specific code is provided."""
        if not base_code:
            return None
-
        candidate = base_code if position == 1 else f"{base_code}"
        if it.is_code_unique(candidate):
            return candidate
-
        suffix = 1
        while suffix <= 1000:
            alternative = f"{candidate}"
@@ -5556,14 +5437,11 @@ def upload_item():
    skipped_count = 0

    upload_session_id = str(uuid.uuid4())[:8]
-    app.logger.info(f"Starting image upload session {upload_session_id} - Files: {len(images)}, User: {encrypt_text(username)}")
+    app.logger.info(
+        f"Starting image upload session {upload_session_id} - Files: {len(images)}, User: {encrypt_text(username)}")

+    # 1. Process Manual Image Uploads
    for index, image in enumerate(images):
-        #if upload_mode == 'library':
-        #    app.logger.info(f"[Upload {upload_session_id}] Skipping manual upload (Library Mode)")
-        #    skipped_count += 1
-        #    continue
-
        if not image or not image.filename:
            skipped_count += 1
            continue
@@ -5581,9 +5459,7 @@ def upload_item():
                continue

            secure_name = secure_filename(image.filename)
-
            image.seek(0)
-
            image_bytes = image.read()

            if not image_bytes:
@@ -5618,7 +5494,6 @@ def upload_item():
            )

            image_filenames.append(new_filename)
-
            processed_count += 1
            final_size_kb = len(optimized_io.getvalue()) / 1024
            app.logger.info(
@@ -5628,79 +5503,13 @@ def upload_item():
            app.logger.error(f"{image_log_prefix} Processing failed: {str(e)}")
            error_count += 1

-    app.logger.info(f"Upload session {upload_session_id} completed: {processed_count} processed, {error_count} errors, {skipped_count} skipped")
-
-    # 1. Duplikate verarbeiten (Direkt via MongoDB / GridFS)
-    if duplicate_images:
-        app.logger.info(f"Processing {len(duplicate_images)} duplicate images from GridFS: {duplicate_images}")
-        duplicate_image_copies = []
-        placeholder_used = False
-
-        for i, dup_img in enumerate(duplicate_images):
-            try:
-                # Suche das Originalbild direkt in der GridFS-Datenbank
-                existing_file = fs.find_one({"filename": dup_img})
-
-                # Fallback: Falls der exakte Name nicht gefunden wird, suche über Regex nach dem Basisnamen
-                if not existing_file:
-                    base_name = re.sub(r'_\d+(?=\.[^.]+$)', '', dup_img)  # Entfernt Suffixe wie _800
-                    base_name_no_ext = os.path.splitext(base_name)[0]
-
-                    if len(base_name_no_ext) > 5:
-                        app.logger.info(f"Trying regex search for base name: {base_name_no_ext}")
-                        existing_file = fs.find_one({"filename": {"$regex": f"^{re.escape(base_name_no_ext)}"}})
-
-                new_filename = f"{uuid.uuid4().hex}_{int(time.time())}.webp"
-
-                if existing_file:
-                    app.logger.info(f"Found image in GridFS for {dup_img}. Duplicating...")
-                    # Bilddaten in den Speicher laden und direkt als neue Datei in GridFS ablegen
-                    image_data = existing_file.read()
-
-                    fs.put(
-                        image_data,
-                        filename=new_filename,
-                        content_type=existing_file.content_type,
-                        metadata={'original_duplicate_of': dup_img}
-                    )
-                    duplicate_image_copies.append(new_filename)
-                    processed_count += 1
-                else:
-                    app.logger.warning(f"Could not find {dup_img} in GridFS. Using placeholder.")
-                    placeholder_path = os.path.join(app.static_folder, 'img', 'no-image.png')
-
-                    if os.path.exists(placeholder_path):
-                        with open(placeholder_path, 'rb') as pf:
-                            placeholder_data = pf.read()
-
-                        fs.put(
-                            placeholder_data,
-                            filename=new_filename,
-                            content_type='image/png',
-                            metadata={'is_placeholder': True}
-                        )
-                        duplicate_image_copies.append(new_filename)
-                        placeholder_used = True
-
-            except Exception as e:
-                app.logger.error(f"Error duplicating image {dup_img}: {str(e)}")
-                error_count += 1
-
-        if placeholder_used:
-            app.logger.warning("Used placeholders for some missing images during duplication")
-
-        image_filenames.extend(duplicate_image_copies)
-
-    # 2. Buchcover verarbeiten
+    # 2. Process Book Cover
    if book_cover_image:
        new_filename = f"{uuid.uuid4().hex}_{int(time.time())}_book_cover.webp"
-
-        # Prüfen, ob das Cover noch als lokale temporäre Datei existiert (z.B. von einer API geladen)
        local_path = os.path.join(app.config.get('UPLOAD_FOLDER', ''), book_cover_image)

        try:
            if os.path.exists(local_path):
-                # Lokales Bild einlesen, zu WebP optimieren und in GridFS schieben
                with Image.open(local_path) as img:
                    if img.mode not in ('RGB', 'RGBA'):
                        img = img.convert('RGBA')
@@ -5718,7 +5527,6 @@ def upload_item():
                image_filenames.append(new_filename)
                app.logger.info(f"Processed local book cover and saved to GridFS: {new_filename}")
            else:
-                # Falls es bereits in GridFS liegt, einfach duplizieren
                existing_cover = fs.find_one({"filename": book_cover_image})
                if existing_cover:
                    fs.put(
@@ -5734,7 +5542,10 @@ def upload_item():
        except Exception as e:
            app.logger.error(f"Error processing book cover {book_cover_image}: {str(e)}")

-    # 3. Item-Erstellung (Logik bleibt identisch, da it.add_item nun die GridFS-Filenames erhält)
+    app.logger.info(
+        f"Upload session {upload_session_id} completed: {processed_count} processed, {error_count} errors, {skipped_count} skipped")
+
+    # 3. Item Creation
    predefined_locations = it.get_predefined_locations()
    if ort and ort not in predefined_locations:
        it.add_predefined_location(ort)
@@ -5760,7 +5571,6 @@ def upload_item():

        parent_item_id = str(created_item_ids[0]) if created_item_ids else None

-        # image_filenames enthält jetzt ausschließlich GridFS-Filenames (oder ObjectIds, je nach deinem Setup)
        item_id = it.add_item(
            name, ort, beschreibung, image_filenames, filter_upload,
            filter_upload2, filter_upload3,
@@ -5806,8 +5616,8 @@ def upload_item():
                        'codes': created_item_ids and [it.get_item(cid).get('Code_4') for cid in created_item_ids] or []
                    }
                )
-            except Exception:
-                app.logger.warning('Audit write failed for library_item_created')
+            except Exception as e:
+                app.logger.warning(f"Audit write failed for library_item_created: {str(e)}")

        flash(success_msg, 'success')
        return redirect(url_for(success_redirect_endpoint))
@@ -5819,121 +5629,6 @@ def upload_item():
            flash(error_msg, 'error')
            return redirect(url_for(success_redirect_endpoint))

-
-@app.route('/duplicate_item', methods=['POST'])
-def duplicate_item():
-    """
-    Route for duplicating an existing item.
-    Returns JSON response with success status.
-    Enhanced for mobile browser compatibility.
-    
-    Returns:
-        flask.Response: JSON response with success status and data
-    """
-    try:
-        # Check authentication
-        if 'username' not in session:
-            return jsonify({'success': False, 'message': 'Nicht angemeldet'}), 401
-        
-        # Check if user is admin
-        username = session['username']
-        current_permissions = us.get_effective_permissions(session['username'])
-            
-        if not current_permissions['actions'].get('can_edit', False):
-            flash('Ihnen fehlen die nötigen Berechtigungen, um diese Aktion auszuführen.', 'error')
-            return redirect(url_for('home_admin'))
-        
-        # Detect if request is from mobile device
-        is_mobile = 'Mobile' in request.headers.get('User-Agent', '')
-        is_ios = 'iPhone' in request.headers.get('User-Agent', '') or 'iPad' in request.headers.get('User-Agent', '')
-        
-        # Log mobile duplication for debugging
-        if is_mobile:
-            app.logger.info(f"Mobile duplication from {request.headers.get('User-Agent', 'unknown')} by {encrypt_text(username)}")
-        
-        # Get original item ID
-        original_item_id = request.form.get('original_item_id')
-        if not original_item_id:
-            return jsonify({'success': False, 'message': 'Ursprungs-Element-ID fehlt'}), 400
-        
-        # Fetch original item data
-        original_item = it.get_item(original_item_id)
-        if not original_item:
-            return jsonify({'success': False, 'message': 'Ursprungs-Element nicht gefunden'}), 404
-        
-        # Process filters as arrays (same as stored in database)
-        filter1_array = original_item.get('Filter', [])
-        filter2_array = original_item.get('Filter2', [])
-        filter3_array = original_item.get('Filter3', [])
-        
-        # Ensure filters are arrays
-        if not isinstance(filter1_array, list):
-            filter1_array = [filter1_array] if filter1_array else []
-        if not isinstance(filter2_array, list):
-            filter2_array = [filter2_array] if filter2_array else []
-        if not isinstance(filter3_array, list):
-            filter3_array = [filter3_array] if filter3_array else []
-            
-        # Verify image paths for mobile devices to avoid issues with non-existent images
-        images = original_item.get('Images', [])
-        verified_images = []
-        
-        if is_mobile:
-            for img in images:
-                img_path = os.path.join(app.config['UPLOAD_FOLDER'], img)
-                if os.path.exists(img_path) and os.path.isfile(img_path):
-                    verified_images.append(img)
-                else:
-                    app.logger.warning(f"Image not found for duplication: {img}")
-            
-            # If we lost images in verification, log it
-            if len(verified_images) < len(images):
-                app.logger.warning(f"Only {len(verified_images)} of {len(images)} images verified for mobile duplication")
-        else:
-            verified_images = images
-
-        # For iOS devices, add more diagnostics and reduce data size if needed
-        if is_ios:
-            # Check if images exist (we now use main images as thumbnails)
-            images_exist = []
-            for img in verified_images[:5]:  # Only check first 5 to save time
-                img_path = os.path.join(app.config['UPLOAD_FOLDER'], img)
-                if os.path.exists(img_path):
-                    images_exist.append(True)
-                else:
-                    images_exist.append(False)
-            
-            # Log detailed diagnostics
-            app.logger.info(f"iOS duplication details: {len(verified_images)} images, "
-                           f"images available: {all(images_exist)}, "
-                           f"filter sizes: {len(filter1_array)}, {len(filter2_array)}, {len(filter3_array)}")
-                           
-        return jsonify({
-            'success': True, 
-            'message': 'Duplizierungsdaten erfolgreich vorbereitet',
-            'item_data': {
-                'name': original_item.get('Name', ''),
-                'description': original_item.get('Beschreibung', ''),
-                'location': original_item.get('Ort', ''),
-                'room': original_item.get('Raum', ''),
-                'category': original_item.get('Kategorie', ''),
-                'year': original_item.get('Anschaffungsjahr', ''),
-                'cost': original_item.get('Anschaffungskosten', ''),
-                'filter1': filter1_array,
-                'filter2': filter2_array,
-                'filter3': filter3_array,
-                'images': verified_images,  # Using verified images instead of original
-                'isMobile': is_mobile,
-                'isIOS': is_ios
-            }
-        })
-        
-    except Exception as e:
-        print(f"Error in duplicate_item: {e}")
-        
-        return jsonify({'success': False, 'message': 'Serverfehler beim Duplizieren'}), 500
-
-
 def _soft_delete_item_groups(db, root_item_ids, username):
    """Soft-delete one or more item groups and their borrow records."""
    now = datetime.datetime.now()
@@ -4,59 +4,60 @@

 {% block content %}
 <style>
-    /* The Dark Background Overlay */
+    /* =========================================
+       1. Modals & Overlays
+       ========================================= */
    .modal {
+        display: none; /* Managed by JS (none/flex) */
        position: fixed;
-        top: 0;
-        left: 0;
-        width: 100vw;
-        height: 100vh;
-        background-color: rgba(0, 0, 0, 0.6);
-        /* Display is managed by JS (none/flex) */
-        align-items: center; 
-        justify-content: center;
+        inset: 0; /* Modern shorthand for top: 0, right: 0, bottom: 0, left: 0 */
        z-index: 1000;
+        background-color: rgba(0, 0, 0, 0.6);
+        align-items: center;
+        justify-content: center;
+        padding: 20px;
    }

-    /* The White Modal Box */
    .modal-content {
-        background-color: #fff;
-        padding: 20px;
-        width: 80%;
-        max-width: 600px;
-        border-radius: 8px;
-        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
-
-        /* Flexbox allows the header to stay fixed while the body scrolls */
+        position: relative;
        display: flex;
        flex-direction: column;
-        max-height: 85vh;
+        width: 100%;
+        max-width: 900px; /* Consolidated from conflicting 600px/900px rules */
+        max-height: 90vh;
+        background-color: var(--ui-surface, #fff);
+        border-radius: 8px;
+        padding: 20px;
+        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+        overflow-y: auto;
    }

-    /* The Close Button */
    .close {
-        align-self: flex-end;
+        position: absolute;
+        top: 15px;
+        right: 20px;
        color: #aaa;
        font-size: 28px;
        font-weight: bold;
-        cursor: pointer;
        line-height: 1;
-        margin-bottom: 10px;
+        cursor: pointer;
+        transition: color 0.2s ease;
    }

    .close:hover,
    .close:focus {
-        color: #000;
+        color: var(--ui-text, #000);
        text-decoration: none;
    }

-    /* The Scrollable Content Area */
    #detailContent {
        overflow-y: auto;
        padding-right: 10px;
    }

-    /* Library table-only view styles */
+    /* =========================================
+       2. Layout & Headers
+       ========================================= */
    .library-table-container {
        max-width: 1400px;
        margin: 0 auto;
@@ -79,13 +80,15 @@
        font-size: 0.95em;
    }

-    /* Library search bar */
+    /* =========================================
+       3. Search, Filter & Scan Panels
+       ========================================= */
    .library-search-bar {
-        margin-bottom: 20px;
        display: flex;
-        gap: 10px;
        flex-wrap: wrap;
        align-items: center;
+        gap: 10px;
+        margin-bottom: 20px;
    }

    .library-search-input {
@@ -95,10 +98,9 @@
        border: 1px solid #ddd;
        border-radius: 6px;
        font-size: 16px;
-        background: white;
+        background: #fff;
    }

-    /* Scanner panel */
    .library-scan-panel {
        background: var(--ui-surface);
        border: 1px solid #d9dde4;
@@ -129,26 +131,18 @@
        color: #4b5563;
    }

-    .library-scan-status.ok {
-        color: #1f7a38;
-    }
-
-    .library-scan-status.warn {
-        color: #9a6700;
-    }
-
-    .library-scan-status.error {
-        color: #b42318;
-    }
+    .library-scan-status.ok { color: #1f7a38; }
+    .library-scan-status.warn { color: #9a6700; }
+    .library-scan-status.error { color: #b42318; }

    .library-scan-reader-wrap {
        display: none;
        margin-top: 12px;
+        max-width: 460px;
+        background: var(--ui-surface);
        border: 1px solid #d9dde4;
        border-radius: 8px;
        overflow: hidden;
-        background: var(--ui-surface);
-        max-width: 460px;
    }

    .library-scan-reader {
@@ -156,14 +150,15 @@
        min-height: 280px;
    }

+    /* Filters */
    .library-filter-toggle-btn {
        padding: 10px 16px;
        background: #f0f2f5;
        border: 1px solid #ddd;
        border-radius: 6px;
-        cursor: pointer;
        font-weight: 500;
        color: var(--ui-text);
+        cursor: pointer;
        transition: all 0.2s ease;
    }

@@ -178,10 +173,9 @@
        color: #4f46e5;
    }

-    /* Filter panel */
    .library-filter-panel {
        display: none;
-        background: white;
+        background: #fff;
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 20px;
@@ -210,10 +204,10 @@
    }

    .filter-item label {
+        margin-bottom: 6px;
        font-weight: 600;
        font-size: 0.9em;
        color: var(--ui-text);
-        margin-bottom: 6px;
    }

    .filter-item input,
@@ -222,7 +216,8 @@
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 14px;
-        background: white;
+        background: #fff;
+        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .filter-item input:focus,
@@ -236,8 +231,8 @@
        display: flex;
        gap: 10px;
        margin-top: 15px;
-        border-top: 1px solid #eee;
        padding-top: 15px;
+        border-top: 1px solid #eee;
    }

    .filter-buttons .button {
@@ -246,11 +241,13 @@
        font-size: 14px;
    }

-    /* Library table */
+    /* =========================================
+       4. Tables & Data Display
+       ========================================= */
    .library-items-table {
        width: 100%;
+        background: #fff;
        border-collapse: collapse;
-        background: white;
        border: 1px solid #ddd;
        border-radius: 8px;
        overflow: hidden;
@@ -266,8 +263,8 @@
        padding: 14px 16px;
        text-align: left;
        font-weight: 600;
-        color: var(--ui-text);
        font-size: 0.9em;
+        color: var(--ui-text);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
@@ -288,7 +285,6 @@
        border-bottom: none;
    }

-    /* Table cells */
    .table-title {
        font-weight: 600;
        color: var(--ui-text);
@@ -302,26 +298,14 @@
        font-weight: 500;
    }

-    .status-available {
-        background: #e8f5e9;
-        color: #2e7d32;
-    }
+    .status-available { background: #e8f5e9; color: #2e7d32; }
+    .status-borrowed { background: #fff3e0; color: #e65100; }
+    .status-damaged { background: #fee2e2; color: #991b1b; }

-    .status-borrowed {
-        background: #fff3e0;
-        color: #e65100;
-    }
-
-    .status-damaged {
-        background: #fee2e2;
-        color: #991b1b;
-    }
-
-    /* Actions */
    .table-actions {
        display: flex;
-        gap: 8px;
        flex-wrap: wrap;
+        gap: 8px;
    }

    .table-actions .button {
@@ -330,26 +314,25 @@
        white-space: nowrap;
    }

-    /* Empty state */
    .library-empty-state {
-        text-align: center;
        padding: 60px 20px;
+        text-align: center;
        color: #999;
    }

    .library-empty-state h3 {
-        font-size: 1.3em;
        margin-bottom: 10px;
+        font-size: 1.3em;
        color: #666;
    }

    .library-load-row {
-        margin-top: 12px;
        display: flex;
+        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
-        flex-wrap: wrap;
+        margin-top: 12px;
    }

    .library-load-hint {
@@ -357,54 +340,9 @@
        color: #6b7280;
    }

-    /* Small confirmation popup (toast) */
-    .small-popup {
-        position: fixed;
-        bottom: 24px;
-        left: 50%;
-        transform: translateX(-50%);
-        background: rgba(17, 24, 39, 0.96);
-        color: #fff;
-        padding: 12px 16px;
-        border-radius: 8px;
-        box-shadow: 0 6px 24px rgba(2,6,23,0.6);
-        z-index: 2000;
-        display: flex;
-        gap: 10px;
-        align-items: center;
-        max-width: 90%;
-        font-size: 0.95em;
-    }
-    .small-popup.ok { background: rgba(16,185,129,0.95); color: #032; }
-    .small-popup.error { background: rgba(239,68,68,0.95); color: #210; }
-    .small-popup .close-x { margin-left: 8px; cursor: pointer; font-weight: 700; }
-
-    /* Modal styles */
-    .modal {
-        display: none;
-        position: fixed;
-        z-index: 1000;
-        left: 0;
-        top: 0;
-        width: 100%;
-        height: 100%;
-        background-color: rgba(0, 0, 0, 0.5);
-        align-items: center;
-        justify-content: center;
-        padding: 20px;
-    }
-
-    .modal-content {
-        background-color: var(--ui-surface);
-        border-radius: 8px;
-        padding: 20px;
-        max-width: 900px;
-        max-height: 90vh;
-        overflow-y: auto;
-        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
-        position: relative;
-    }
-
+    /* =========================================
+       5. Edit Grid Forms
+       ========================================= */
    .edit-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
@@ -416,10 +354,10 @@
    }

    .edit-grid label {
+        display: block;
+        margin-bottom: 4px;
        font-weight: 600;
        font-size: 0.9em;
-        margin-bottom: 4px;
-        display: block;
    }

    .edit-grid input,
@@ -437,37 +375,44 @@
        margin-top: 14px;
    }

-    .close {
-        position: absolute;
-        right: 20px;
-        top: 10px;
-        font-size: 28px;
-        font-weight: bold;
-        color: #999;
+    /* =========================================
+       6. Notifications / Toasts
+       ========================================= */
+    .small-popup {
+        position: fixed;
+        bottom: 24px;
+        left: 50%;
+        z-index: 2000;
+        display: flex;
+        align-items: center;
+        gap: 10px;
+        max-width: 90%;
+        padding: 12px 16px;
+        background: rgba(17, 24, 39, 0.96);
+        color: #fff;
+        border-radius: 8px;
+        font-size: 0.95em;
+        transform: translateX(-50%);
+        box-shadow: 0 6px 24px rgba(2,6,23,0.6);
+    }
+
+    .small-popup.ok { background: rgba(16,185,129,0.95); color: #032; }
+    .small-popup.error { background: rgba(239,68,68,0.95); color: #210; }
+
+    .small-popup .close-x {
+        margin-left: 8px;
+        font-weight: 700;
        cursor: pointer;
    }

-    .close:hover {
-        color: var(--ui-text);
-    }
-
-    /* Mobile responsive */
+    /* =========================================
+       7. Mobile Responsiveness
+       ========================================= */
    @media (max-width: 768px) {
-        .library-table-container {
-            padding: 10px;
-        }
-
-        .library-search-bar {
-            flex-direction: column;
-        }
-
-        .library-search-input {
-            width: 100%;
-        }
-
-        .library-items-table {
-            font-size: 0.85em;
-        }
+        .library-table-container { padding: 10px; }
+        .library-search-bar { flex-direction: column; }
+        .library-search-input { width: 100%; }
+        .library-items-table { font-size: 0.85em; }

        .library-items-table th,
        .library-items-table td {
@@ -479,17 +424,12 @@
            font-size: 0.75em;
        }

-        .filter-row {
-            grid-template-columns: 1fr;
-        }
-
+        .filter-row,
        .library-scan-controls {
            grid-template-columns: 1fr;
        }

-        .library-scan-reader-wrap {
-            max-width: 100%;
-        }
+        .library-scan-reader-wrap { max-width: 100%; }
    }
 </style>

@@ -939,7 +879,7 @@
            const response = await fetch(`/api/is_student_card/${encodeURIComponent(code)}`, {
                method: 'POST',
                headers: {
-                    'Content-Type': 'application/json'
+                    'Content-Type': 'application/json',
                    // Falls du in Flask CSRF-Protect nutzt, muss der Token mitgesendet werden:
                    'X-CSRFToken': '{{ csrf_token }}',
                    'X-CSRF-Token': '{{ csrf_token }}'
@@ -819,7 +819,7 @@
        flex: 0 0 auto;
    }

-    .ausleihen, .edit-button, .delete-button, .details-button, .duplicate-button, .schedule-button, .damage-button {
+    .ausleihen, .edit-button, .delete-button, .details-button,  .schedule-button, .damage-button {
        padding: 10px 18px;
        border: none;
        border-radius: 5px;
@@ -942,27 +942,6 @@
        box-shadow: 0 2px 4px rgba(23, 162, 184, 0.3);
    }

-    /* Duplicate Button */
-    .duplicate-button {
-        background-color: #6f42c1;
-        color: white;
-        border: 2px solid #6f42c1;
-    }
-
-    .duplicate-button:hover {
-        background-color: #5a32a3;
-        border-color: #4e2a8e;
-        transform: translateY(-1px);
-        box-shadow: 0 4px 8px rgba(111, 66, 193, 0.3);
-        color: white;
-        text-decoration: none;
-    }
-
-    .duplicate-button:active {
-        transform: translateY(0);
-        box-shadow: 0 2px 4px rgba(111, 66, 193, 0.3);
-    }
-
    .damage-button {
        background-color: #fd7e14;
        color: white;
@@ -1645,7 +1624,7 @@
            gap: 10px !important;
        }
        
-        .ausleihen, .edit-button, .delete-button, .details-button, .duplicate-button, .schedule-button {
+        .ausleihen, .edit-button, .delete-button, .details-button, .schedule-button {
            width: 100% !important;
            min-height: 44px !important;
            padding: 12px 20px !important;
@@ -1777,7 +1756,7 @@
            justify-content: flex-start;
        }
        
-        .ausleihen, .edit-button, .delete-button, .details-button, .duplicate-button, .schedule-button {
+        .ausleihen, .edit-button, .delete-button, .details-button, .schedule-button {
            padding: 10px 20px;
            font-size: 0.9rem;
            min-width: 110px;
@@ -1790,7 +1769,7 @@
                gap: 8px;
            }
            
-            .ausleihen, .edit-button, .delete-button, .details-button, .duplicate-button, .schedule-button {
+            .ausleihen, .edit-button, .delete-button, .details-button, .schedule-button {
                padding: 8px 16px;
                font-size: 0.85rem;
                min-width: 95px;
@@ -1808,7 +1787,7 @@
            gap: 15px;
        }
        
-        .ausleihen, .edit-button, .delete-button, .details-button, .duplicate-button, .schedule-button {
+        .ausleihen, .edit-button, .delete-button, .details-button, .schedule-button {
            padding: 12px 24px;
            font-size: 1rem;
            min-width: 120px;
@@ -1980,7 +1959,7 @@
    }
    
    /* Standardize form and document buttons */
-    .save-button, .cancel-button, .remove-book-cover-button, .remove-duplicate-image-button,
+    .save-button, .cancel-button, .remove-book-cover-button,
    .import-book-button, .fetch-isbn-button, .nav-back-button {
        display: inline-flex;
        align-items: center;
@@ -3465,9 +3444,6 @@ document.addEventListener('DOMContentLoaded', ()=>{
                                {% if current_permissions.actions.get('can_edit', False) %}
                                <button class="edit-button" onclick="openEditModalForSelectedUnit('${item._id}', 'specific-item-card-${item._id}')">Bearbeiten</button>
                                {% endif %}
-                                {% if current_permissions.actions.get('can_insert', False) %}
-                                <button class="duplicate-button" onclick="duplicateItem('${item._id}')">Duplizieren</button>
-                                {% endif %}
                                {% if current_permissions.pages.get('admin_school_settings', False) %}
                                ${canScheduleItem ? `<button class="schedule-button" onclick="openScheduleModal('${item._id}')">Reservieren</button>` : ''}
                                {% endif %}
@@ -4244,7 +4220,6 @@ document.addEventListener('DOMContentLoaded', ()=>{
                    : `<button class="ausleihen disabled-button" disabled>Ausgeliehen</button>`
                }
                <button class="edit-button" onclick="openEditModalForSelectedUnit('${item._id}', 'specific-item-modal-${item._id}')">Bearbeiten</button>
-                <button class="duplicate-button" onclick="duplicateItem('${item._id}')">Duplizieren</button>
                ${damageReports && damageReports.length > 0 ? `<button class="damage-button" onclick="markDamageAsRepaired('${item._id}')">Repariert</button>` : `<button class="damage-button" onclick="registerDamage('${item._id}')">Schaden melden</button>`}
                ${canScheduleItem ? `<button class="schedule-button" onclick="openScheduleModal('${item._id}')">Reservieren</button>` : ''}
                <form method="POST" action="/delete_item/${item._id}" style="display:inline;" onsubmit="return confirm('Sind Sie sicher?')">
@@ -5044,55 +5019,6 @@ document.addEventListener('DOMContentLoaded', ()=>{
        }
    }

-
-    // Duplication function
-    function duplicateItem(itemId) {
-        // Show loading indicator
-        const loadingDiv = document.createElement('div');
-        loadingDiv.innerHTML = `
-            <div style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
-                        background: rgba(0,0,0,0.5); z-index: 10000; display: flex; 
-                        align-items: center; justify-content: center;">
-                <div class="modal-dialog-white">
-                    <div>Element wird dupliziert...</div>
-                    <div class="modal-content-margin">
-                        <div class="spinner"></div>
-                    </div>
-                </div>
-            </div>
-        `;
-        document.body.appendChild(loadingDiv);
-
-        // Create form data for the duplicate_item request
-        const formData = new FormData();
-        formData.append('original_item_id', itemId);
-
-        // Send duplication request to get item data
-        fetch('/duplicate_item', {
-            method: 'POST',
-            body: formData
-        })
-        .then(response => response.json())
-        .then(data => {
-            document.body.removeChild(loadingDiv);
-            
-            if (data.success) {
-                // Store duplication data in sessionStorage for the upload page
-                sessionStorage.setItem('duplicateItemData', JSON.stringify(data.item_data));
-                
-                // Redirect to upload admin page
-                window.location.href = '/upload_admin?duplicate=true';
-            } else {
-                alert('Fehler beim Duplizieren: ' + (data.message || 'Unbekannter Fehler'));
-            }
-        })
-        .catch(error => {
-            document.body.removeChild(loadingDiv);
-            console.error('Error duplicating item:', error);
-            alert('Fehler beim Duplizieren des Elements. Bitte versuchen Sie es erneut.');
-        });
-    }
-
    // Helper functions for appointment display
    function formatAppointmentDate(dateString) {
        if (!dateString) return '';
@@ -11,59 +11,6 @@
 {% block title %}{{ page_title|default('Artikel hochladen') }} - Inventarsystem{% endblock %}

 {% block content %}
-{% if duplicate_data and duplicate_data.images %}
-<!-- Hidden server-side values for duplication, will be processed by JavaScript -->
-<div id="server-duplicate-data" 
-     data-name="{{ duplicate_data.name|default('') }}"
-     data-description="{{ duplicate_data.description|default('') }}"
-     data-location="{{ duplicate_data.location|default('') }}"
-     data-room="{{ duplicate_data.room|default('') }}"
-     data-year="{{ duplicate_data.year|default('') }}"
-     data-cost="{{ duplicate_data.cost|default('') }}"
-     data-images="{{ duplicate_data.images|tojson|safe }}"
-     data-filter1="{{ duplicate_data.filter1|tojson|safe if duplicate_data.filter1 else '[]' }}"
-     data-filter2="{{ duplicate_data.filter2|tojson|safe if duplicate_data.filter2 else '[]' }}"
-     data-filter3="{{ duplicate_data.filter3|tojson|safe if duplicate_data.filter3 else '[]' }}"
-     data-original-id="{{ duplicate_data.original_id|default('') }}"
-     style="display:none;">
-</div>
-<script>
-    // Pre-initialize duplicate data from server
-    var serverDuplicateData = null;
-    const dataElement = document.getElementById('server-duplicate-data');
-    if (dataElement) {
-        // Safely parse JSON arrays with error handling
-        function safeJsonParse(jsonStr, defaultValue = []) {
-            try {
-                if (!jsonStr) return defaultValue;
-                return JSON.parse(jsonStr);
-            } catch (e) {
-                console.error("Error parsing JSON:", e, "Value was:", jsonStr);
-                return defaultValue;
-            }
-        }
-        
-        // Get images data and log it for debugging
-        const imagesData = dataElement.getAttribute('data-images') || "[]";
-        console.log("Raw images data attribute:", imagesData);
-        
-        serverDuplicateData = {
-            name: dataElement.getAttribute('data-name') || "",
-            description: dataElement.getAttribute('data-description') || "",
-            location: dataElement.getAttribute('data-location') || "",
-            room: dataElement.getAttribute('data-room') || "",
-            year: dataElement.getAttribute('data-year') || "",
-            cost: dataElement.getAttribute('data-cost') || "",
-            images: safeJsonParse(imagesData),
-            filter1: safeJsonParse(dataElement.getAttribute('data-filter1')),
-            filter2: safeJsonParse(dataElement.getAttribute('data-filter2')),
-            filter3: safeJsonParse(dataElement.getAttribute('data-filter3')),
-            original_id: dataElement.getAttribute('data-original-id') || ""
-        };
-        console.log("Server-provided duplicate data:", serverDuplicateData);
-    }
-</script>
-{% endif %}

 <style>
    /* Book information display styles */
@@ -296,38 +243,11 @@
        color: #721c24 !important;
    }

-    /* Duplicate code popup styling */
-    .popup-overlay {
-        position: fixed;
-        top: 0;
-        left: 0;
-        width: 100%;
-        height: 100%;
-        background-color: rgba(0, 0, 0, 0.6);
-        z-index: 10000;
-        display: flex;
-        justify-content: center;
-        align-items: center;
-        animation: overlayFadeIn 0.3s ease;
-    }
-
    @keyframes overlayFadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

-    .duplicate-code-popup {
-        background-color: white;
-        padding: 30px;
-        border-radius: 8px;
-        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
-        max-width: 500px;
-        width: 90%;
-        text-align: center;
-        position: relative;
-        animation: popupSlideIn 0.3s ease;
-    }
-
    @keyframes popupSlideIn {
        from { 
            opacity: 0; 
@@ -916,7 +836,7 @@
                            <!-- Options will be loaded by JavaScript -->
                        </select>
                    </div>
-                    <div class="formupload_admin-group">
+                    <div class="form-group">
                        <label for="filter2-4">Wert 4:</label>
                        <select id="filter2-4" name="filter2" class="filter-dropdown-select">
                            <option value="">-- Optional --</option>
@@ -956,11 +876,11 @@
            </div>


-            <!-- Image upload (hidden for library mode) -->
+            <!-- Image upload -->
            <div class="form-group">
-                <label for="images">Bilder/Videos:</label>
-                <input type="file" id="images" name="images" accept=".jpg, .jpeg, .png, .gif, .mp4, .mov, .avi, .mkv, .webm, .flv, .m4v, .3gp" multiple>
-                <div class="allowed-formats">Erlaubte Formate: JPG, JPEG, PNG, GIF, MP4, MOV, AVI, MKV, WEBM, FLV, M4V, 3GP</div>
+                <label for="images">Bilder:</label>
+                <input type="file" id="images" name="images" accept=".jpg, .jpeg, .png, .gif" multiple>
+                <div class="allowed-formats">Erlaubte Formate: JPG, JPEG, PNG, GIF</div>
                <!-- Add image preview area -->
                <div class="image-preview-container" id="image-preview-container"></div>
            </div>
@@ -1878,11 +1798,11 @@
        if (existingPopup) {
            existingPopup.remove();
        }
-        
+
        // Create popup overlay
        const overlay = document.createElement('div');
        overlay.className = 'popup-overlay';
-        
+
        // Create popup content
        overlay.innerHTML = `
            <div class="duplicate-code-popup">
@@ -1895,9 +1815,9 @@
                <button class="popup-close-button" onclick="this.closest('.popup-overlay').remove()">Verstanden</button>
            </div>
        `;
-        
+
        document.body.appendChild(overlay);
-        
+
        // Auto-remove after 10 seconds
        setTimeout(() => {
            if (overlay.parentNode) {
@@ -1937,28 +1857,25 @@
    function setupImagePreview() {
        const imageInput = document.getElementById('images');
        const previewContainer = document.getElementById('image-preview-container');
-        
+
        if (imageInput && previewContainer) {
            imageInput.addEventListener('change', function(e) {
                previewContainer.innerHTML = '';
-                
+
                const files = e.target.files;
-                
-                // Validate file types before preview
-                const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif', 
-                                    'video/mp4', 'video/quicktime', 'video/x-msvideo', 'video/x-matroska', 
-                                    'video/webm', 'video/x-flv', 'video/mp4', 'video/3gpp'];
-                let hasInvalidFile = false;
-                
+
+                // Validate file types before preview (Strictly Images)
+                const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif'];
+
                for (let i = 0; i < files.length; i++) {
                    if (!allowedTypes.includes(files[i].type)) {
-                        hasInvalidFile = true;
                        // Clear the file input to prevent submission
                        imageInput.value = '';
-                        previewContainer.innerHTML = '<div class="error-message">Fehler: Datei "' + files[i].name + '" hat ein nicht unterstütztes Format. Erlaubte Formate: JPG, JPEG, PNG, GIF, MP4, MOV, AVI, MKV, WEBM, FLV, M4V, 3GP</div>';
+                        previewContainer.innerHTML = '<div class="error-message">Fehler: Datei "' + files[i].name + '" hat ein nicht unterstütztes Format. Erlaubte Formate: JPG, JPEG, PNG, GIF</div>';
                        return; // Stop processing
                    }
                }
+
                for (let i = 0; i < files.length; i++) {
                    const file = files[i];
                    if (file.type.startsWith('image/')) {
@@ -1973,17 +1890,6 @@
                            previewContainer.appendChild(preview);
                        };
                        reader.readAsDataURL(file);
-                    } else if (file.type.startsWith('video/')) {
-                        const preview = document.createElement('div');
-                        preview.className = 'image-preview video-preview';
-                        preview.innerHTML = `
-                            <div class="video-placeholder">
-                                <div class="video-icon">🎥</div>
-                                <div class="video-name">${file.name}</div>
-                            </div>
-                            <button type="button" class="remove-image" onclick="removeImagePreview(this, ${i})">×</button>
-                        `;
-                        previewContainer.appendChild(preview);
                    }
                }
            });
@@ -2049,34 +1955,6 @@
                }
            });
        }
-        
-        // Handle duplication data if available (from sessionStorage or server)
-        if (typeof prefillFormWithDuplicateData === 'function') {
-            setTimeout(() => {
-                prefillFormWithDuplicateData();
-            }, 500); // Wait for all dropdowns to load
-        }
    });
-
-    // Initialize duplication data - handle both server-side and sessionStorage data
-    let duplicateData = null;
-    
-    // First check if serverDuplicateData is defined by the script above
-    if (typeof serverDuplicateData !== 'undefined' && serverDuplicateData) {
-        console.log("Using server-provided duplicateData:", serverDuplicateData);
-        duplicateData = serverDuplicateData;
-        
-        // Ensure images is properly handled as an array
-        if (duplicateData.images) {
-            if (typeof duplicateData.images === 'string') {
-                try {
-                    duplicateData.images = JSON.parse(duplicateData.images);
-                } catch (e) {
-                    console.error("Error parsing duplicate images array:", e);
-                }
-            }
-            console.log("Parsed duplicate images successfully.");
-        }
-    }
 </script>
 {% endblock %}
Author	SHA1	Message	Date
Aiirondev_dev	b1ca358d41	Cleanup of the front end and backend of the upload function to only allow images and no videos because of space and memory reasons as well as hardening the uploading process. Release Inventarsystem / release-docker (push) Successful in 2m15s Details	2026-08-15 01:38:35 +02:00
Aiirondev_dev	47cba5865d	Removal of dupolicate function. Release Inventarsystem / release-docker (push) Successful in 4m55s Details	2026-08-15 01:33:38 +02:00
Aiirondev_dev	4a776872e0	Improvement of the style for the Library Module Release Inventarsystem / release-docker (push) Successful in 2m15s Details	2026-08-15 00:08:13 +02:00
Aiirondev_dev	55a74654db	Addition of a missing ',' Release Inventarsystem / release-docker (push) Successful in 2m15s Details	2026-08-14 23:18:29 +02:00
Aiirondev_dev	7473334714	Changes to the Inventarsystem Workflow to Reflekt the new workflow and have an according set of buttons. So this removed all metioning of the duplication function. Release Inventarsystem / release-docker (push) Successful in 2m15s Details	2026-08-14 23:01:01 +02:00