fix of the template name

Web/app.py

@@ -6366,11 +6366,25 @@ def edit_item(id):
 
     return redirect(url_for('home_admin'))
 
+def is_library_item(item):
+    """
+    Prüft, ob ein Artikel ein Bibliotheks-Item ist.
+    - 'other', None oder Leerstring -> Inventarsystem (False)
+    - Jeder andere Medientyp ('Buch', 'CD', etc.) -> Bibliothek (True)
+    """
+    if not item:
+        return False
+    item_type = item.get('ItemType', 'other')
+    if not item_type:
+        return False
+    return item_type.strip().lower() != 'other'
+
 
 @app.route('/item_edit/<id>', methods=['GET', 'POST'])
 def item_edit(id):
     """
-    Endpoint zum Bearbeiten von Artikeln (unterstützt Bibliotheks- und Inventar-Modus).
+    Complete endpoint for editing items. Automatically detects whether the item
+    is a Library item (ItemType != 'other') or an Inventory item (ItemType == 'other').
     """
     if 'username' not in session:
         if request.method == 'POST' and request.is_json:
@@ -6391,22 +6405,27 @@ def item_edit(id):
         flash('Ungültige Element-ID.', 'error')
         return redirect(url_for('home_admin'))
 
-    show_library = cfg.MODULES.is_enabled('library')
+    current_item = it.get_item(obj_id)
+    if not current_item:
+        flash('Element in der Datenbank nicht gefunden.', 'error')
+        return redirect(url_for('home_admin'))
 
-    # --- GET: Bearbeitungsformular laden ---
+    # Determine item type classification
+    library_module_active = cfg.MODULES.is_enabled('library')
+    is_lib_item = it.is_library_item(current_item)
+    show_library_features = library_module_active and is_lib_item
+
+    # -------------------------------------------------------------------
+    # GET METHOD: Render Form
+    # -------------------------------------------------------------------
     if request.method == 'GET':
-        item = it.get_item(id)
-        if not item:
-            flash('Element nicht gefunden.', 'error')
-            return redirect(url_for('home_admin'))
+        current_item['_id'] = str(current_item['_id'])
 
-        item['_id'] = str(item['_id'])
-
-        # Gruppen-Codes aufteilen (Basis-Code vs. Einzelcodes für die Textarea)
-        base_code = item.get('Code_4', '')
+        # Format individual group codes for the textarea
+        base_code = current_item.get('Code_4', '')
         individual_codes = []
-        if item.get('SeriesGroupId'):
-            group_ids = it.get_group_item_ids(str(item['_id']))
+        if current_item.get('SeriesGroupId'):
+            group_ids = it.get_group_item_ids(str(current_item['_id']))
             if group_ids:
                 for gid in group_ids:
                     g_item = it.get_item(gid)
@@ -6414,26 +6433,23 @@ def item_edit(id):
                     if c4 and c4 != base_code:
                         individual_codes.append(c4)
 
-        item['IndividualCodes'] = '\n'.join(individual_codes)
+        current_item['IndividualCodes'] = '\n'.join(individual_codes)
 
         return render_template(
             'edit_library.html',
             username=session['username'],
-            item=item,
-            show_library_features=show_library,
-            library_module_enabled=show_library,
-            page_title=f"Bearbeiten: {item.get('Name', '')}"
+            item=current_item,
+            show_library_features=show_library_features,
+            library_module_enabled=library_module_active,
+            page_title=f"Bearbeiten: {current_item.get('Name', '')}"
         )
 
-    # --- POST: Änderungen speichern ---
+    # -------------------------------------------------------------------
+    # POST METHOD: Save Changes
+    # -------------------------------------------------------------------
     redirect_target = request.referrer or url_for('home_admin')
-    current_item = it.get_item(obj_id)
 
-    if not current_item:
-        flash('Element in der Datenbank nicht gefunden.', 'error')
-        return redirect(redirect_target)
-
-    # Gemeinsame Felder auslesen & bereinigen
+    # Common fields
     name = sanitize_form_value(request.form.get('name'))
     ort = sanitize_form_value(request.form.get('ort'))
     beschreibung = sanitize_form_value(request.form.get('beschreibung'))
@@ -6441,7 +6457,7 @@ def item_edit(id):
     anschaffungs_kosten = sanitize_form_value(request.form.get('anschaffungskosten'))
     reservierbar = 'reservierbar' in request.form
 
-    # Barcode & Gruppen-Codes
+    # Barcodes
     code_4 = sanitize_form_value(request.form.get('code_4'))
     individual_codes_raw = request.form.get('individual_codes', '')
 
@@ -6453,7 +6469,7 @@ def item_edit(id):
 
     all_codes_to_check = [code_4] + individual_codes
 
-    # Uniqueness-Check für alle übergebenen Barcodes
+    # Barcode uniqueness check
     current_group_id = current_item.get('SeriesGroupId')
     client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
     db_instance = client[cfg.MONGODB_DB]
@@ -6476,9 +6492,9 @@ def item_edit(id):
     if has_code_error:
         return redirect(redirect_target)
 
-    # --- Modi-spezifische Auswertung ---
-    if show_library:
-        # 1. Bibliotheks-Modus
+    # Type-specific processing
+    if show_library_features:
+        # --- LIBRARY ITEM ---
         isbn_raw = sanitize_form_value(request.form.get('isbn', ''))
         item_isbn = normalize_and_validate_isbn(isbn_raw) if isbn_raw else ''
         item_type = sanitize_form_value(request.form.get('item_type_input', 'Buch'))
@@ -6489,16 +6505,16 @@ def item_edit(id):
         filter3 = current_item.get('Filter3', [])
         images = current_item.get('Images', [])
     else:
-        # 2. Inventar-Modus
+        # --- INVENTORY ITEM ---
         item_isbn = current_item.get('ISBN', '')
-        item_type = current_item.get('ItemType', 'other')
+        item_type = 'other'  # Standard type for inventory items
         library_category = current_item.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'))
 
-        # Bilderverarbeitung für den Inventar-Modus
+        # Manage images for Inventory Mode
         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]
@@ -6537,16 +6553,16 @@ def item_edit(id):
                         )
                         images.append(new_filename)
                     except Exception as e:
-                        app.logger.error(f"Bild-Fehler bei Item {id}: {e}")
+                        app.logger.error(f"Image error for item {id}: {e}")
 
-    # Standort bei Bedarf zu vordefinierten Orten hinzufügen
+    # Auto-add new location to predefined locations list if applicable
     if ort and ort not in it.get_predefined_locations():
         it.add_predefined_location(ort)
 
-    # 1. Gruppen-Codes synchronisieren
+    # Sync series/group barcode IDs
     it.sync_group_codes(str(id), code_4, individual_codes)
 
-    # 2. Datenbank-Eintrag aktualisieren
+    # Update item in database
     success = it.update_item(
         id=str(id),
         name=name,

Web/modules/database/items.py

@@ -27,6 +27,19 @@ from Web.modules.database.settings import MongoClient
 import Web.modules.inventarsystem.data_protection as dp
 
 
+def is_library_item(item):
+    """
+    Determines if an item belongs to the library system.
+    Returns False for 'other', None, or empty ItemType (Inventory item).
+    Returns True for any specific library type ('Buch', 'CD', 'DVD', etc.).
+    """
+    if not item:
+        return False
+    item_type = item.get('ItemType', 'other')
+    if not item_type:
+        return False
+    return str(item_type).strip().lower() != 'other'
+
 def safe_decrypt_user(encrypted_user):
     """
     Safely decrypt an encrypted username string.

Web/templates/edit_library.html

@@ -103,7 +103,7 @@
         background-color: #0056b3;
     }
 
-    /* Scanner Video Styles */
+    /* Scanner Video Canvas */
     #code4-scanner video, #code4-scanner canvas,
     #isbn-scanner video, #isbn-scanner canvas {
         width: 100%;
@@ -124,7 +124,7 @@
         overflow: hidden;
     }
 
-    /* Image management grid */
+    /* Image Management */
     .existing-images-grid {
         display: flex;
         flex-wrap: wrap;
@@ -197,7 +197,7 @@
             <input type="hidden" name="item_id" value="{{ item._id }}">
 
             {% if show_library_features %}
-            <!-- BIBLIOTHEKS-MODUS: ISBN / Barcode -->
+            <!-- ================= LIBRARY MODE FIELDS ================= -->
             <div class="form-group">
                 <label for="isbn">ISBN / Barcode:</label>
                 <div class="isbn-input-group">
@@ -211,13 +211,12 @@
             </div>
             {% endif %}
 
-            <!-- Allgemein: Name -->
+            <!-- ================= COMMON FIELDS ================= -->
             <div class="form-group">
                 <label for="name">Name / Titel:</label>
                 <input type="text" id="name" name="name" value="{{ item.Name|default('') }}" required>
             </div>
 
-            <!-- Allgemein: Ort -->
             <div class="form-group">
                 <label for="ort">Ort / Standort:</label>
                 <select id="ort" name="ort" data-selected="{{ item.Ort|default('') }}" required>
@@ -234,13 +233,11 @@
                 </div>
             </div>
 
-            <!-- Allgemein: Beschreibung -->
             <div class="form-group">
                 <label for="beschreibung">Beschreibung:</label>
                 <textarea id="beschreibung" name="beschreibung" required>{{ item.Beschreibung|default('') }}</textarea>
             </div>
 
-            <!-- Barcode / Basis-Code -->
             <div class="form-group" id="primary_code_group">
                 <label for="code_4">Basis-Code (Haupt-Barcode)</label>
                 <div style="display: flex; gap: 10px;">
@@ -251,7 +248,6 @@
                 <small id="code4-scan-status" class="form-text text-muted"></small>
             </div>
 
-            <!-- Weitere Einzelcodes der Gruppe -->
             <div class="form-group" id="individual_codes_group">
                 <label for="individual_codes">Weitere Einzelcodes der Gruppe (je Zeile ein Code)</label>
                 <textarea id="individual_codes" name="individual_codes" rows="4" class="form-control" placeholder="z.B.&#10;ABC-001&#10;ABC-002">{{ item.IndividualCodes|default('') }}</textarea>
@@ -259,7 +255,7 @@
             </div>
 
             {% if show_library_features %}
-            <!-- BIBLIOTHEKS-MODUS: Spezifische Filter -->
+            <!-- ================= LIBRARY CATEGORIZATION ================= -->
             <div class="filter-inputs">
                 <h3>Medientyp</h3>
                 <div class="form-group">
@@ -268,7 +264,7 @@
                         <option value="Schulbuch" {% if item.ItemType == 'Schulbuch' %}selected{% endif %}>Schulbuch</option>
                         <option value="CD" {% if item.ItemType == 'CD' %}selected{% endif %}>CD</option>
                         <option value="DVD" {% if item.ItemType == 'DVD' %}selected{% endif %}>DVD</option>
-                        <option value="Sonstiges" {% if item.ItemType == 'Sonstiges' or not item.ItemType %}selected{% endif %}>Sonstiges</option>
+                        <option value="Sonstiges" {% if item.ItemType == 'Sonstiges' %}selected{% endif %}>Sonstiges</option>
                     </select>
                 </div>
                 <h3>Kategorie / Fach:</h3>
@@ -277,7 +273,7 @@
                 </div>
             </div>
             {% else %}
-            <!-- INVENTAR-MODUS: Standard 3-Stufen-Filter -->
+            <!-- ================= INVENTORY FILTERS (1-3) ================= -->
             <div class="filter-inputs">
                 <h3>Unterrichtsfach (Filter 1):</h3>
                 <div class="multi-filter">
@@ -315,7 +311,7 @@
             </div>
             {% endif %}
 
-            <!-- Finanzen & Datum -->
+            <!-- ================= DATES & FINANCIALS ================= -->
             <div class="form-group">
                 <label for="anschaffungsjahr">Anschaffungsjahr:</label>
                 <input type="date" id="anschaffungsjahr" name="anschaffungsjahr" value="{{ item.Anschaffungsjahr|default('') }}">
@@ -326,7 +322,7 @@
             </div>
 
             {% if not show_library_features %}
-            <!-- INVENTAR-MODUS: Bilder & Medien verwalten -->
+            <!-- ================= INVENTORY IMAGE MANAGEMENT ================= -->
             <div class="form-group">
                 <label>Bestehende Bilder behalten:</label>
                 {% if item.Images and item.Images|length > 0 %}
@@ -350,7 +346,6 @@
             </div>
             {% endif %}
 
-            <!-- Reservierbar -->
             <div class="form-group">
                 <label for="reservierbar" style="display:inline-block; width:auto; margin-right:10px;">Reservierbar:</label>
                 <input type="checkbox" id="reservierbar" name="reservierbar" style="width:auto;" {% if item.Reservierbar %}checked{% endif %}>
@@ -369,7 +364,7 @@
     let code4LastScanned = '';
     let code4LastScannedAt = 0;
 
-    // Filter-Optionen vom Server laden & bestehende Werte vorauswählen
+    // Load filter dropdown options and pre-select current item values
     function loadAndSelectFilterValues(filterNumber) {
         fetch(`/get_predefined_filter_values/${filterNumber}`)
             .then(res => res.json())
@@ -380,7 +375,6 @@
 
                     const selectedValue = select.getAttribute('data-selected') || '';
 
-                    // Optionen befüllen
                     data.values.forEach(val => {
                         if (!val || String(val).trim() === '') return;
                         const opt = document.createElement('option');
@@ -389,7 +383,7 @@
                         select.appendChild(opt);
                     });
 
-                    // Falls der gewählte Wert nicht in den Vorgaben war, als Option ergänzen
+                    // Add custom option if the item has a value not in predefined list
                     if (selectedValue && !Array.from(select.options).some(o => o.value === selectedValue)) {
                         const customOpt = document.createElement('option');
                         customOpt.value = selectedValue;
@@ -400,10 +394,10 @@
                     select.value = selectedValue;
                 }
             })
-            .catch(err => console.error(`Fehler beim Laden von Filter ${filterNumber}:`, err));
+            .catch(err => console.error(`Error loading Filter ${filterNumber}:`, err));
     }
 
-    // Orte vom Server laden
+    // Load locations
     function loadLocationOptions() {
         fetch('/get_predefined_locations')
             .then(res => res.json())
@@ -423,10 +417,10 @@
 
                 select.value = currentVal;
             })
-            .catch(err => console.error('Fehler beim Laden der Orte:', err));
+            .catch(err => console.error('Error loading locations:', err));
     }
 
-    // Ort hinzufügen UI
+    // New location handler
     function addNewLocation() {
         const input = document.getElementById('new-location-input');
         const val = input.value.trim();
@@ -446,7 +440,7 @@
         document.getElementById('new-location-input').value = '';
     }
 
-    // Quagga Barcode Scanner Initialisierung
+    // Quagga Barcode Scanner Engine
     function runEngineInitialization(targetSelector, activeCallback, completionMsg, errorStatusSetter) {
         if (scannerRunning) { Quagga.stop(); scannerRunning = false; }
         activeScannerCallback = activeCallback;
@@ -470,7 +464,6 @@
         if (typeof activeScannerCallback === "function") activeScannerCallback(String(data.codeResult.code).trim());
     });
 
-    // Barcode Scanner für Basis-Code
     function startCode4Scanner() {
         const scannerBox = document.getElementById('code4-scanner');
         const scanBtn = document.getElementById('scan-code4-btn');