fix migration history

cms/utils/permissions.py

@@ -508,3 +508,49 @@ def has_plugin_permission(user, plugin_type, permission_type):
         # Grant all permissions for uninstalled plugins, so they do not block
         # emptying placeholders.
         return True
+
+
+def has_page_permission(user, page, permission, site=None):
+    """
+    Backwards-compatible wrapper for the legacy django-cms
+    has_page_permission() API.
+
+    Legacy callers pass short permission names such as:
+        add
+        change
+        delete
+        publish
+
+    Modern django-cms uses action names such as:
+        add_page
+        change_page
+        delete_page
+        publish_page
+    """
+    if not user or not user.is_authenticated:
+        return False
+
+    if user.is_superuser or not get_cms_setting('PERMISSION'):
+        return True
+
+    action_map = {
+        'add': 'add_page',
+        'change': 'change_page',
+        'delete': 'delete_page',
+        'publish': 'publish_page',
+        'move': 'move_page',
+        'view': 'view_page',
+        'change_advanced_settings': 'change_page_advanced_settings',
+        'change_permissions': 'change_page_permissions',
+    }
+
+    action = action_map.get(permission, permission)
+
+    from .page_permissions import has_generic_permission
+
+    return has_generic_permission(
+        page=page,
+        user=user,
+        action=action,
+        site=site,
+    )