chore: bump version to v0.8.2

.release-version

@@ -1 +1 @@
-v0.8.0
+v0.8.2

Web/app.py

@@ -3053,6 +3053,7 @@ def api_library_items():
 
         query = {
             'ItemType': {'$in': ['book', 'cd', 'dvd', 'media']},
+            'IsGroupedSubItem': {'$ne': True},
             'Deleted': {'$ne': True}
         }
 
@@ -3078,7 +3079,39 @@ def api_library_items():
         raw_items = list(items_db.find(query, projection).sort([('Name', 1), ('_id', 1)]).skip(offset).limit(limit))
 
         # Build maps for grouping by parent-child relationship (grouped sub-items)
-        all_ids = [str(itm.get('_id')) for itm in raw_items if itm.get('_id')]
+        parent_ids_list = [str(itm.get('_id')) for itm in raw_items if itm.get('_id')]
+        children_by_parent = {}
+        child_items = []
+        if parent_ids_list:
+            child_projection = {
+                'Name': 1,
+                'Autor': 1,
+                'Author': 1,
+                'ISBN': 1,
+                'Code_4': 1,
+                'Code4': 1,
+                'ItemType': 1,
+                'Verfuegbar': 1,
+                'Condition': 1,
+                'HasDamage': 1,
+                'User': 1,
+                'Ort': 1,
+                'Beschreibung': 1,
+                'Image': 1,
+                'ParentItemId': 1,
+            }
+            child_items = list(items_db.find({
+                'ParentItemId': {'$in': parent_ids_list},
+                'IsGroupedSubItem': True,
+                'Deleted': {'$ne': True}
+            }, child_projection))
+            for child in child_items:
+                parent_id = str(child.get('ParentItemId') or '')
+                if not parent_id:
+                    continue
+                children_by_parent.setdefault(parent_id, []).append(child)
+
+        all_ids = parent_ids_list + [str(child.get('_id')) for child in child_items if child.get('_id')]
         active_records = []
         if all_ids:
             active_records = list(ausleihungen_db.find({'Item': {'$in': all_ids}, 'Status': 'active'}, {'Item': 1, 'User': 1}))
@@ -3093,26 +3126,10 @@ def api_library_items():
             if item_id not in active_user_by_item:
                 active_user_by_item[item_id] = rec.get('User', '')
 
-        # Organize children under their parent (ParentItemId) and prepare parent list
-        items_by_id = {}
-        children_by_parent = {}
-        parent_ids = set()
-        for itm in raw_items:
-            iid = str(itm.get('_id'))
-            items_by_id[iid] = itm
-            parent = str(itm.get('ParentItemId') or '')
-            if parent:
-                children_by_parent.setdefault(parent, []).append(itm)
-            else:
-                parent_ids.add(iid)
-
-        # Build aggregated list: for each parent id, include parent + children as one entry
+        # Build aggregated list: iterate ordered parent list and include children like inventory module
         aggregated = []
-        processed = set()
-        for pid in list(parent_ids):
-            parent = items_by_id.get(pid)
-            if not parent:
-                continue
+        for parent in raw_items:
+            pid = str(parent.get('_id'))
             children = children_by_parent.get(pid, [])
 
             # Compute grouped counts and availability
@@ -3161,40 +3178,6 @@ def api_library_items():
             doc['GroupedAllCodes'] = grouped_all_codes
 
             aggregated.append(doc)
-            processed.add(pid)
-            for c in children:
-                processed.add(str(c.get('_id')))
-
-        # Include any remaining items (orphans or standalones not parented)
-        for itm in raw_items:
-            iid = str(itm.get('_id'))
-            if iid in processed:
-                continue
-            doc = dict(itm)
-            doc['_id'] = iid
-            if doc.get('Code4') in (None, '') and doc.get('Code_4') not in (None, ''):
-                doc['Code4'] = doc.get('Code_4')
-
-            condition_value = str(doc.get('Condition', '')).strip().lower()
-            has_damage = bool(doc.get('HasDamage')) or condition_value == 'destroyed'
-            has_active_borrow = iid in active_item_ids
-
-            if has_damage and not has_active_borrow:
-                doc['LibraryDisplayStatus'] = 'damaged'
-            elif has_active_borrow or doc.get('Verfuegbar') is False:
-                doc['LibraryDisplayStatus'] = 'borrowed'
-            else:
-                doc['LibraryDisplayStatus'] = 'available'
-
-            doc['BorrowedBy'] = active_user_by_item.get(iid) or doc.get('User', '')
-            # Single item: grouped count = 1
-            doc['GroupedDisplayCount'] = 1
-            doc['Quantity'] = 1
-            doc['AvailableGroupedCount'] = 1 if doc.get('Verfuegbar', True) else 0
-            doc['GroupedAvailableUnits'] = [{'id': iid, 'code': doc.get('Code_4') or doc.get('Code4') or '', 'label': f"{doc.get('Code_4') or doc.get('Code4') or '-'} ({doc.get('Name','')})"}] if doc.get('Verfuegbar', True) else []
-            doc['GroupedAllCodes'] = [doc.get('Code_4') or doc.get('Code4') or '']
-
-            aggregated.append(doc)
 
         client.close()
 
@@ -6035,6 +6018,79 @@ def delete_item(id):
     return redirect(url_for('home_admin'))
 
 
+@app.route('/delete_library_item/<id>', methods=['POST'])
+def delete_library_item(id):
+    """
+    Route to soft-delete library items (books/media) revisionssicher.
+    Requires admin and library module enabled.
+    """
+    if 'username' not in session:
+        flash('Nicht angemeldet.', 'error')
+        return redirect(url_for('login'))
+    if not us.check_admin(session['username']):
+        flash('Administratorrechte erforderlich.', 'error')
+        return redirect(url_for('login'))
+    if not cfg.MODULES.is_enabled('library'):
+        flash('Bibliotheks-Modul ist deaktiviert.', 'error')
+        return redirect(url_for('home_admin'))
+
+    # Verify item exists and is a library item
+    try:
+        item_doc = it.get_item(id)
+    except Exception:
+        item_doc = None
+
+    if not item_doc:
+        flash('Element nicht gefunden.', 'error')
+        return redirect(url_for('library_admin'))
+
+    if item_doc.get('ItemType') not in LIBRARY_ITEM_TYPES:
+        flash('Element ist kein Bibliotheksmedium.', 'error')
+        return redirect(url_for('library_admin'))
+
+    group_item_ids = it.get_group_item_ids(id)
+    if not group_item_ids:
+        flash('Element nicht gefunden.', 'error')
+        return redirect(url_for('library_admin'))
+
+    client = None
+    try:
+        client = MongoClient(MONGODB_HOST, MONGODB_PORT)
+        db = client[MONGODB_DB]
+        result = _soft_delete_item_groups(db, [id], session.get('username', ''))
+        success = bool(result.get('success'))
+        soft_deleted = int(result.get('soft_deleted_items', 0))
+        archived_files = int((result.get('archive') or {}).get('archived_files', 0))
+
+        try:
+            _append_audit_event_standalone(
+                event_type='library_item_deleted',
+                payload={
+                    'root_item_id': id,
+                    'group_item_ids': result.get('group_item_ids', []),
+                    'soft_deleted_items': soft_deleted,
+                    'archived_files': archived_files,
+                }
+            )
+        except Exception:
+            app.logger.warning('Audit write failed for library_item_deleted')
+
+    except Exception as e:
+        app.logger.error(f"Error deleting library item {id}: {e}")
+        success = False
+        archived_files = 0
+    finally:
+        if client:
+            client.close()
+
+    if success:
+        flash(f'Bibliotheksmedium revisionssicher deaktiviert ({soft_deleted} Versionen, {archived_files} Mediendateien archiviert).', 'success')
+    else:
+        flash('Fehler beim Löschen des Bibliotheksmediums.', 'error')
+
+    return redirect(url_for('library_admin'))
+
+
 @app.route('/bulk_delete_items', methods=['POST'])
 def bulk_delete_items():
     """Soft-delete multiple selected item groups in one request."""

Web/templates/library_table.html

@@ -720,6 +720,7 @@
                         ${actionLabel}
                     </button>
                     ${canEditLibraryItems ? `<button class="button" style="background:#0ea5e9;color:#fff;" onclick="openEditLibraryItem('${item._id}')">Bearbeiten</button>` : ''}
+                    ${canEditLibraryItems ? `<button class="button" style="background:#dc2626;color:#fff; margin-left:6px;" onclick="confirmDeleteLibraryItem('${item._id}')">Löschen</button>` : ''}
                 </td>
             </tr>
                 `;
@@ -739,6 +740,46 @@
         }
     }
 
+    // Confirm and call library item delete endpoint
+    function confirmDeleteLibraryItem(itemId) {
+        if (!itemId) return;
+        if (!confirm('Dieses Bibliotheksmedium revisionssicher löschen? Diese Aktion deaktiviert alle zugehörigen Exemplare und archiviert Medien.')) return;
+        deleteLibraryItem(itemId);
+    }
+
+    async function deleteLibraryItem(itemId) {
+        if (!itemId) return;
+        document.body.style.cursor = 'wait';
+        try {
+            const resp = await fetch(`/delete_library_item/${itemId}`, {
+                method: 'POST',
+                headers: {
+                    'X-CSRFToken': '{{ csrf_token }}'
+                },
+                credentials: 'same-origin'
+            });
+
+            const ct = resp.headers.get('Content-Type') || '';
+            if (ct.includes('application/json')) {
+                const j = await resp.json();
+                if (!resp.ok || j.ok === false) {
+                    alert(j.message || 'Fehler beim Löschen');
+                } else {
+                    alert(j.message || 'Gelöscht');
+                }
+                loadLibraryItems();
+            } else {
+                // Server redirected to HTML (flash messages). Reload to show state.
+                location.reload();
+            }
+        } catch (e) {
+            console.error('Delete failed', e);
+            alert('Fehler beim Löschen des Elements.');
+        } finally {
+            document.body.style.cursor = '';
+        }
+    }
+
     // Filter toggle
     document.getElementById('filterToggleBtn').addEventListener('click', () => {
         filterPanelOpen = !filterPanelOpen;