staging: normalize Services menu across locales

Jenkinsfile

@@ -152,6 +152,19 @@ PY
                     parameters: [string(name: 'PROJECT_NAME', value: 'mandelstudio')]
             }
         }
+        stage('Normalize Services Menu') {
+            agent { label 'built-in' }
+            options {
+                timeout(time: 5, unit: 'MINUTES')
+            }
+            steps {
+                sh '''
+                    set -e
+                    REMOTE_CMD="cd '${STAGING_AUDIT_PROJECT_DIR}' && '${STAGING_AUDIT_MANAGE}' normalize_services_menu"
+                    sudo -n -u mandel -g www-data /srv/apps/mandel-dashboard/.venv/bin/python /srv/apps/mandel-dashboard/bin/deploy_stg_from_jenkins.py "${STAGING_AUDIT_PROJECT_NAME}" --command "$REMOTE_CMD"
+                '''
+            }
+        }
         stage('Post-Deploy Multilingual Audit') {
             agent { label 'built-in' }
             options {

mandelstudio/management/commands/normalize_services_menu.py

@@ -0,0 +1,115 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from django.core.management.base import BaseCommand
+
+from wagtail.models import Locale, Page
+
+
+@dataclass(frozen=True)
+class _MenuChange:
+    page_id: int
+    locale: str
+    title: str
+    before: bool
+    after: bool
+
+
+def _services_root(default_locale: Locale) -> Page | None:
+    page = (
+        Page.objects.filter(locale=default_locale, slug="diensten")
+        .specific()
+        .first()
+    )
+    if page is not None:
+        return page
+
+    return (
+        Page.objects.filter(locale=default_locale, title__iexact="Diensten")
+        .specific()
+        .first()
+    )
+
+
+class Command(BaseCommand):
+    help = (
+        "Normalize the Services/Diensten dropdown across locales by using the "
+        "default-locale in-menu children as the allowlist and applying that to "
+        "all translated Services pages."
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--dry-run",
+            action="store_true",
+            help="Print the changes without writing to the database.",
+        )
+
+    def handle(self, *args, **options):
+        dry_run: bool = options["dry_run"]
+
+        default_locale = Locale.get_default()
+        services = _services_root(default_locale)
+        if services is None:
+            self.stderr.write(
+                "Could not find the default-locale Services/Diensten page "
+                f"(locale={default_locale.language_code})."
+            )
+            return 1
+
+        allowed_keys = set(
+            Page.objects.child_of(services)
+            .live()
+            .in_menu()
+            .values_list("translation_key", flat=True)
+        )
+
+        if not allowed_keys:
+            self.stderr.write(
+                "Default-locale Services page has no in-menu children; "
+                "refusing to hide menu items across locales."
+            )
+            return 2
+
+        changes: list[_MenuChange] = []
+
+        translated_services_pages = Page.objects.filter(
+            translation_key=services.translation_key
+        ).specific()
+
+        for translated_services in translated_services_pages:
+            children = Page.objects.child_of(translated_services).specific()
+            for child in children:
+                before = bool(child.show_in_menus)
+                after = bool(child.translation_key in allowed_keys and child.live)
+                if before == after:
+                    continue
+                changes.append(
+                    _MenuChange(
+                        page_id=child.id,
+                        locale=child.locale.language_code,
+                        title=child.title,
+                        before=before,
+                        after=after,
+                    )
+                )
+                if not dry_run:
+                    child.show_in_menus = after
+                    child.save(update_fields=["show_in_menus"])
+
+        if not changes:
+            self.stdout.write("No changes needed.")
+            return 0
+
+        for change in changes:
+            self.stdout.write(
+                f"[{change.locale}] #{change.page_id} {change.title}: "
+                f"show_in_menus {change.before} -> {change.after}"
+            )
+
+        self.stdout.write(
+            f"Done. Changed {len(changes)} page(s). dry_run={dry_run}"
+        )
+        return 0
+