Additiopn to filter out the iduvidual items and

Web/app.py

@@ -46,7 +46,7 @@ import Web.modules.inventarsystem.pdf_export as pdf_export
 import Web.modules.inventarsystem.excel_export as excel_export
 import datetime
 from apscheduler.schedulers.background import BackgroundScheduler
-from bson.objectid import ObjectId
+from bson.objectid import ObjectId, InvalidId
 from urllib.parse import urlparse, urlunparse
 import requests
 import csv
@@ -3314,6 +3314,7 @@ def api_library_items():
 
         query = {
             'ItemType': {'$in': ['book', 'cd', 'dvd', 'schoolbook', 'schulbuch', 'Buch', 'Schulbuch']},
+            'IsGroupedSubItem': {'$ne': True},
             'Deleted': {'$ne': True}
         }
 
@@ -6366,6 +6367,181 @@ def edit_item(id):
     return redirect(url_for('home_admin'))
 
 
+@app.route('/item_edit/<id>', methods=['GET', 'POST'])
+def item_edit(id):
+    """
+    Endpoint zum Laden und Aktualisieren eines Eintrags (item_edit).
+    """
+    # 1. Rechte- & Auth-Check
+    if 'username' not in session:
+        if request.method == 'POST' and request.is_json:
+            return jsonify({'success': False, 'message': 'Nicht angemeldet.'}), 401
+        flash('Bitte melden Sie sich an.', 'error')
+        return redirect(url_for('login'))
+
+    current_permissions = us.get_effective_permissions(session['username'])
+    if not current_permissions['actions'].get('can_edit', False):
+        if request.method == 'POST' and request.is_json:
+            return jsonify({'success': False, 'message': 'Keine Berechtigung zum Bearbeiten.'}), 403
+        flash('Keine Berechtigung zum Bearbeiten.', 'error')
+        return redirect(url_for('home_admin'))
+
+    try:
+        obj_id = ObjectId(id)
+    except InvalidId:
+        flash('Ungültige Element-ID.', 'error')
+        return redirect(url_for('home_admin'))
+
+    db = it.db
+    items_col = db['items']
+
+    # --- GET: Template anzeigen ---
+    if request.method == 'GET':
+        item = items_col.find_one({'_id': obj_id})
+        if not item:
+            flash('Element nicht gefunden.', 'error')
+            return redirect(url_for('home_admin'))
+
+        item['_id'] = str(item['_id'])
+        show_library = cfg.MODULES.is_enabled('library')
+
+        return render_template(
+            'item_edit.html',
+            username=session['username'],
+            item=item,
+            library_module_enabled=show_library,
+            show_library_features=show_library,
+            page_title=f"Bearbeiten: {item.get('Name', '')}"
+        )
+
+    # --- POST: Speichern ---
+    redirect_target = request.referrer or url_for('home_admin')
+    current_item = items_col.find_one({'_id': obj_id})
+
+    if not current_item:
+        flash('Element in der Datenbank nicht gefunden.', 'error')
+        return redirect(redirect_target)
+
+    # Formulardaten
+    name = sanitize_form_value(request.form.get('name'))
+    ort = sanitize_form_value(request.form.get('ort'))
+    beschreibung = sanitize_form_value(request.form.get('beschreibung'))
+    code_4 = sanitize_form_value(request.form.get('code_4'))
+    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'))
+
+    # Barcode Prüfen
+    if code_4 and not it.is_code_unique(code_4, exclude_id=str(id)):
+        flash(f'Der Code "{code_4}" wird bereits verwendet.', 'error')
+        return redirect(redirect_target)
+
+    # ISBN
+    item_isbn = ''
+    item_type = item_type_input or current_item.get('ItemType', 'general')
+    if cfg.MODULES.is_enabled('library') and isbn_raw:
+        item_isbn = normalize_and_validate_isbn(isbn_raw)
+        if not item_isbn:
+            flash('Ungültiges ISBN-Format.', 'error')
+            return redirect(redirect_target)
+
+    # Bilder verarbeiten
+    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}")
+
+    if ort and ort not in it.get_predefined_locations():
+        it.add_predefined_location(ort)
+
+    # Datenstruktur für Update
+    shared_fields = {
+        'Name': name,
+        'Ort': ort,
+        'Beschreibung': beschreibung,
+        'Anschaffungsjahr': anschaffungs_jahr,
+        'Anschaffungskosten': anschaffungs_kosten,
+        'Reservierbar': reservierbar,
+        'ISBN': item_isbn,
+        'ItemType': item_type,
+        'Kategorie': library_category,
+        'LastUpdated': datetime.datetime.now()
+    }
+
+    # Gruppen-Update
+    group_item_ids = it.get_group_item_ids(str(id))
+
+    if group_item_ids:
+        group_object_ids = [ObjectId(g_id) for g_id in group_item_ids]
+        items_col.update_many({'_id': {'$in': group_object_ids}}, {'$set': shared_fields})
+
+    # Individual-Update
+    individual_update = {
+        **shared_fields,
+        'Code_4': code_4,
+        'Images': images,
+        'Filter1': filter1,
+        'Filter2': filter2,
+        'Filter3': filter3
+    }
+
+    items_col.update_one({'_id': obj_id}, {'$set': individual_update})
+
+    flash('Artikel erfolgreich aktualisiert.', 'success')
+    return redirect(redirect_target)
+
+
 @app.route('/update_group', methods=['POST'])
 def update_group():
 

Web/templates/library_table.html

@@ -800,7 +800,7 @@
             return `
         <tr>
             <td class="table-title">${escapeHtml(item.Name || 'Untitled')}</td>
-            <td>${escapeHtml(item.Code_4 || item.Code4 || '-')}</td>
+            <td>${escapeHtml(Item.ISBN || '-')}</td>
             <td>${getItemTypeLabel(item.ItemType || 'book')}</td>
             <td style="font-weight:600; text-align:center;">${item.Quantity || item.GroupedDisplayCount || 1}</td>
             <td>
@@ -1565,197 +1565,8 @@
         }).join('');
     }
 
-    window.openEditLibraryItem = async function (itemId) {
+    function openEditLibraryItem(itemId) {
-        const item = libraryItems.find(i => i._id === itemId);
+        window.location.href = `/item_edit/${itemId}`;
-        if (!item) return;
-
-        editLibraryState.itemId = item._id;
-        editLibraryState.seriesGroupId = item.SeriesGroupId || '';
-        editLibraryState.groupMembers = [];
-
-        // Felder befüllen
-        document.getElementById('editLibraryItemId').value = item._id;
-        document.getElementById('editLibraryName').value = item.Name;
-        document.getElementById('editLibraryType').value = item.ItemType;
-        document.getElementById('editLibraryIsbn').value = item.ISBN || '';
-        document.getElementById('editLibraryDescription').value = item.Beschreibung;
-
-        // Orte laden und bestehenden Ort setzen
-        await loadEditLocationOptions(item.Ort);
-
-        const codesContainer = document.getElementById('editLibraryCodesContainer');
-        if (codesContainer) {
-            codesContainer.innerHTML = '<div style="padding:10px 0; color:#6b7280;">Lade Codes...</div>';
-        }
-
-        const groupMembers = item.SeriesGroupId ? await fetchLibraryGroupMembers(item.SeriesGroupId) : [item];
-        renderLibraryGroupCodeFields(groupMembers.length > 0 ? groupMembers : [item], item._id);
-
-        document.getElementById('editLibraryModal').style.display = 'flex';
-    };
-
-    function closeEditLibraryModal() {
-        document.getElementById('editLibraryModal').style.display = 'none';
-        // Setzt das Feld für neuen Ort sicherheitshalber zurück, wenn geschlossen wird
-        cancelEditAddLocation();
-    }
-
-    // Lädt die Optionen in das Dropdown und wählt den aktuellen Ort des Mediums aus
-    async function loadEditLocationOptions(currentLocation) {
-        try {
-            const response = await fetch('/get_predefined_locations');
-            const data = await response.json();
-            const ortSelect = document.getElementById('editLibraryLocation');
-
-            if (ortSelect) {
-                // Bestehende Optionen löschen (außer die erste Platzhalter-Option)
-                while (ortSelect.children.length > 1) {
-                    ortSelect.removeChild(ortSelect.lastChild);
-                }
-
-                let locationFound = false;
-
-                // Neue Optionen aus der Datenbank hinzufügen
-                data.locations.forEach(location => {
-                    const option = document.createElement('option');
-                    option.value = location;
-                    option.textContent = location;
-                    ortSelect.appendChild(option);
-
-                    if (location === currentLocation) {
-                        locationFound = true;
-                    }
-                });
-
-                // WICHTIG: Falls der aktuell hinterlegte Ort nicht in der Datenbank-Liste ist,
-                // fügen wir ihn als temporäre Option hinzu, damit er nicht beim Speichern überschrieben wird.
-                if (currentLocation && !locationFound) {
-                    const option = document.createElement('option');
-                    option.value = currentLocation;
-                    option.textContent = currentLocation;
-                    ortSelect.appendChild(option);
-                }
-
-                // Zuletzt den aktuellen Ort anwählen
-                if (currentLocation) {
-                    ortSelect.value = currentLocation;
-                }
-            }
-        } catch (error) {
-            console.error('Error loading location options:', error);
-        }
-    }
-
-    // Funktion um einen neuen Ort ins Bearbeiten-Dropdown aufzunehmen
-    function addEditNewLocation() {
-        const newLocationInput = document.getElementById('edit-new-location-input');
-        const newLocation = newLocationInput.value.trim();
-
-        if (!newLocation) {
-            alert('Bitte geben Sie einen Ort ein.');
-            return;
-        }
-
-        // Füge Option dem Dropdown hinzu
-        const ortSelect = document.getElementById('editLibraryLocation');
-        const option = document.createElement('option');
-        option.value = newLocation;
-        option.textContent = newLocation;
-        ortSelect.appendChild(option);
-
-        // Wähle die neue Option direkt aus
-        ortSelect.value = newLocation;
-
-        // Verstecke die Eingabemaske wieder
-        cancelEditAddLocation();
-    }
-
-    // Funktion zum Abbrechen der Orteingabe
-    function cancelEditAddLocation() {
-        const container = document.getElementById('edit-new-location-container');
-        if(container) container.style.display = 'none';
-
-        const input = document.getElementById('edit-new-location-input');
-        if(input) input.value = '';
     }
 </script>
-
-<div id="editLibraryModal" class="modal" style="display:none;">
-    <div class="modal-content" style="max-width: 760px; padding: 25px; border-radius: 8px;">
-        <span class="close" onclick="closeEditLibraryModal()" style="cursor: pointer; float: right; font-size: 24px;">&times;</span>
-        <h3 style="margin-top:0;">Bibliotheksmedium bearbeiten</h3>
-        
-        <!-- Bereich für Gruppen-Informationen (Hier konsolidiert!) -->
-        <div id="editLibraryGroupWarning" style="display:none; background-color: #fff; padding: 15px; border-radius: 6px; margin-bottom: 20px; border: 1px solid #0ea5e9;">
-            <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; border-bottom: 1px solid #eee; padding-bottom: 10px;">
-                <strong style="color: #0ea5e9;">Gruppen-Range (Total: <span id="editLibraryGroupCount"></span>)</strong>
-            </div>
-            
-            <p id="editLibraryGroupHint" style="margin: 5px 0; font-size: 12px; color: #555;">
-                Änderungen an Titel, Ort und Beschreibung werden auf alle Exemplare der Gruppe übertragen.
-            </p>
-
-            <div style="margin-top: 15px; font-size: 11px; background: #e0f2fe; padding: 8px; border-radius: 4px;">
-                <strong>Hinweis:</strong> Jeder Mediencode wird einzeln gespeichert, damit alle Exemplare der Gruppe korrekt bleiben.
-            </div>
-        </div>
-
-        <form id="editLibraryForm">
-            <input type="hidden" id="editLibraryItemId">
-            <div class="edit-grid">
-                <div class="full">
-                    <label for="editLibraryName">Titel</label>
-                    <input id="editLibraryName" required style="width: 100%;">
-                </div>
-                <div>
-                    <label for="editLibraryType">Medientyp</label>
-                    <select id="editLibraryType" style="width: 100%;">
-                        <option value="Buch">Buch</option>
-                        <option value="Schulbuch">Schulbuch</option>
-                        <option value="cd">CD</option>
-                        <option value="dvd">DVD</option>
-                        <option value="other">Sonstige Medien</option>
-                    </select>
-                </div>
-                <div>
-                    <label for="editLibraryIsbn">ISBN</label>
-                    <input id="editLibraryIsbn" placeholder="optional ISBN-10/13" style="width: 100%;">
-                </div>
-                <div>
-                    <label>Mediencodes</label>
-                    <div id="editLibraryCodesContainer"></div>
-                </div>
-
-                <!-- NEUER BEREICH FÜR DIE ORTS-AUSWAHL -->
-                <div class="full form-group">
-                    <label for="editLibraryLocation">Ort</label>
-                    <div style="display: flex; gap: 10px; margin-bottom: 5px;">
-                        <select id="editLibraryLocation" required style="flex-grow: 1; padding: 8px;">
-                            <option value="">-- Bitte Ort auswählen --</option>
-                            <!-- Options will be loaded by JavaScript -->
-                        </select>
-                        <button type="button" class="button" id="edit-add-new-location-btn" onclick="document.getElementById('edit-new-location-container').style.display = 'flex';" style="white-space: nowrap;">
-                            Neuen Ort hinzufügen
-                        </button>
-                    </div>
-                    <div id="edit-new-location-container" class="edit-new-location-container" style="display: none; gap: 10px; margin-top: 5px;">
-                        <input type="text" id="edit-new-location-input" placeholder="Neuen Ort eingeben" style="flex-grow: 1; padding: 8px;">
-                        <button type="button" class="button" onclick="addEditNewLocation()" style="background:#10b981; color:#fff;">Hinzufügen</button>
-                        <button type="button" class="button" onclick="cancelEditAddLocation()" style="background:#ef4444; color:#fff;">Abbrechen</button>
-                    </div>
-                </div>
-                <!-- ENDE ORTS-AUSWAHL -->
-
-                <div class="full">
-                    <label for="editLibraryDescription">Beschreibung</label>
-                    <textarea id="editLibraryDescription" rows="4" required style="width: 100%;"></textarea>
-                </div>
-            </div>
-            <div class="edit-actions" style="margin-top:20px;">
-                <button type="submit" class="button" style="background:#0ea5e9;color:#fff;">Speichern & Synchronisieren</button>
-                <button type="button" class="button" onclick="closeEditLibraryModal()">Abbrechen</button>
-            </div>
-        </form>
-    </div>
-</div>
 {% endblock %}