Make CreatePageAliasAction class and implement execute method

wagtail/core/actions/create_alias.py

@@ -9,18 +9,7 @@ from wagtail.core.models.i18n import TranslatableMixin
 logger = logging.getLogger("wagtail.core")
 
 
-def create_alias(
+class CreatePageAliasAction:
-    page,
-    *,
-    recursive=False,
-    parent=None,
-    update_slug=None,
-    update_locale=None,
-    user=None,
-    log_action="wagtail.create_alias",
-    reset_translation_key=True,
-    _mpnode_attrs=None
-):
     """
     Creates an alias of the given page.
 
@@ -46,6 +35,43 @@ def create_alias(
     :type reset_translation_key: boolean, optional
     """
 
+    def __init__(
+        self,
+        page,
+        *,
+        recursive=False,
+        parent=None,
+        update_slug=None,
+        update_locale=None,
+        user=None,
+        log_action="wagtail.create_alias",
+        reset_translation_key=True,
+        _mpnode_attrs=None
+    ):
+        self.page = page
+        self.recursive = recursive
+        self.parent = parent
+        self.update_slug = update_slug
+        self.update_locale = update_locale
+        self.user = user
+        self.log_action = log_action
+        self.reset_translation_key = reset_translation_key
+        self._mpnode_attrs = _mpnode_attrs
+
+    def _create_alias(
+        self,
+        page,
+        *,
+        recursive,
+        parent,
+        update_slug,
+        update_locale,
+        user,
+        log_action,
+        reset_translation_key,
+        _mpnode_attrs
+    ):
+
         specific_page = page.specific
 
         # FIXME: Switch to the same fields that are excluded from copy
@@ -108,7 +134,9 @@ def create_alias(
         else:
             if parent:
                 if recursive and (parent == page or parent.is_descendant_of(page)):
-                raise Exception("You cannot copy a tree branch recursively into itself")
+                    raise Exception(
+                        "You cannot copy a tree branch recursively into itself"
+                    )
                 alias = parent.add_child(instance=alias)
             else:
                 alias = page.add_sibling(instance=alias)
@@ -176,3 +204,16 @@ def create_alias(
                 alias.save(clean=False, update_fields=["numchild"])
 
         return alias
+
+    def execute(self):
+        return self._create_alias(
+            self.page,
+            recursive=self.recursive,
+            parent=self.parent,
+            update_slug=self.update_slug,
+            update_locale=self.update_locale,
+            user=self.user,
+            log_action=self.log_action,
+            reset_translation_key=self.reset_translation_key,
+            _mpnode_attrs=self._mpnode_attrs,
+        )

wagtail/core/models/__init__.py

@@ -52,7 +52,7 @@ from wagtail.core.actions.delete_page import DeletePageAction
 from wagtail.core.actions.move_page import MovePageAction
 from wagtail.core.actions.publish_page_revision import PublishPageRevisionAction
 from wagtail.core.actions.unpublish_page import UnpublishPageAction
-from wagtail.core.actions.create_alias import create_alias as _create_alias
+from wagtail.core.actions.create_alias import CreatePageAliasAction
 from wagtail.core.fields import StreamField
 from wagtail.core.forms import TaskStateCommentForm
 from wagtail.core.log_actions import log
@@ -1467,7 +1467,7 @@ class Page(AbstractPage, index.Indexed, ClusterableModel, metaclass=PageBase):
         reset_translation_key=True,
         _mpnode_attrs=None
     ):
-        return _create_alias(
+        return CreatePageAliasAction(
             self,
             recursive=recursive,
             parent=parent,
@@ -1477,7 +1477,7 @@ class Page(AbstractPage, index.Indexed, ClusterableModel, metaclass=PageBase):
             log_action=log_action,
             reset_translation_key=reset_translation_key,
             _mpnode_attrs=_mpnode_attrs,
-        )
+        ).execute()
 
     create_alias.alters_data = True