implementation of the image

Web/app.py

@@ -6418,7 +6418,7 @@ def item_edit(id):
         show_library = cfg.MODULES.is_enabled('library')
 
         return render_template(
-            'item_edit.html',
+            'edit_library.html',
             username=session['username'],
             item=item,
             library_module_enabled=show_library,
@@ -6451,12 +6451,74 @@ def item_edit(id):
 
     all_codes_to_check = [code_4] + individual_codes
 
+    isbn_raw = sanitize_form_value(request.form.get('isbn', ''))
+    anschaffungs_jahr = sanitize_form_value(request.form.get('anschaffungsjahr'))
+    anschaffungs_kosten = sanitize_form_value(request.form.get('anschaffungskosten'))
+    reservierbar = 'reservierbar' in request.form
+
+    item_type_input = sanitize_form_value(request.form.get('item_type_input'))
+    library_category = sanitize_form_value(request.form.get('library_category'))
+
+    filter1 = expand_filter_selection(sanitize_form_value(request.form.getlist('filter')), 1)
+    filter2 = expand_filter_selection(sanitize_form_value(request.form.getlist('filter2')), 2)
+    filter3 = sanitize_form_value(request.form.getlist('filter3'))
+
+    verfuegbar = current_item.get('Verfuegbar', True)
+
     # Uniqueness-Check über alle Codes
     current_group_id = current_item.get('SeriesGroupId')
     client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
     db_instance = client[cfg.MONGODB_DB]
     items_col = db_instance['items']
 
+    # Bilder verarbeiten (GridFS)
+    images_to_keep = request.form.getlist('existing_images')
+    original_images = current_item.get('Images', [])
+    images = [img for img in original_images if img in images_to_keep]
+
+    new_files = request.files.getlist('images')
+    if new_files and new_files[0].filename != '':
+        fs = get_gridfs()
+        for file in new_files:
+            if file and file.filename:
+                is_allowed, error_msg = allowed_file(file.filename, file)
+                if not is_allowed:
+                    flash(error_msg, 'error')
+                    return redirect(redirect_target)
+
+                try:
+                    secure_name = secure_filename(file.filename)
+                    file.seek(0)
+                    image_bytes = file.read()
+
+                    if not image_bytes:
+                        continue
+
+                    optimized_io = io.BytesIO()
+                    with Image.open(io.BytesIO(image_bytes)) as img:
+                        if img.mode not in ('RGB', 'RGBA'):
+                            img = img.convert('RGBA')
+
+                        max_width = 800
+                        if img.width > max_width:
+                            ratio = max_width / img.width
+                            img = img.resize((max_width, int(img.height * ratio)), Image.Resampling.LANCZOS)
+
+                        img.save(optimized_io, format='WEBP', quality=85, optimize=True)
+
+                    optimized_io.seek(0)
+                    new_filename = f"{uuid.uuid4().hex}_{int(time.time())}.webp"
+
+                    fs.put(
+                        optimized_io,
+                        filename=new_filename,
+                        content_type='image/webp',
+                        metadata={'original_filename': secure_name, 'item_id': str(id)}
+                    )
+                    images.append(new_filename)
+                except Exception as e:
+                    app.logger.error(f"Bild-Fehler bei Item {id}: {e}")
+
     has_code_error = False
     for code in all_codes_to_check:
         if not code:
@@ -6492,8 +6554,8 @@ def item_edit(id):
         ansch_kost=anschaffungs_kosten,
         code_4=code_4,
         reservierbar=reservierbar,
-        isbn=item_isbn,
-        item_type=item_type
+        isbn=isbn_raw,
+        item_type=item_type_input
     )
 
     if success: