Custom admin site for reordering app list (#2421)

* Add custom admin site for reordering app list

src/core/admin/admin_site.py

@@ -0,0 +1,25 @@
+from django.contrib import admin
+from django.http.request import HttpRequest
+
+
+class AdminSite(admin.AdminSite):
+    def __init__(self, name: str) -> None:
+        super().__init__(name=name)
+        self._registry.update(admin.site._registry)
+
+    def get_app_list(self, request: HttpRequest, app_label: str | None = None) -> list[dict]:
+        app_list = super().get_app_list(request, app_label)
+        app_list.sort(key=self._get_app_order_index)
+        return app_list
+
+    @staticmethod
+    def _get_app_order_index(element: dict) -> int:
+        app_order = ["orders", "notion", "chains", "products", "otherapp"]
+
+        if element["app_label"] in app_order:
+            return app_order.index(element["app_label"])
+
+        return len(app_order)
+
+
+admin_site = AdminSite(name="custom_admin")

src/core/urls/__init__.py

@@ -1,8 +1,8 @@
 import debug_toolbar  # type: ignore
 from django.conf.urls import include
-from django.contrib import admin
 from django.urls import path
 
+from core.admin.admin_site import admin_site
 from core.views import HomePageView
 
 api = [
@@ -11,7 +11,7 @@
 
 urlpatterns = [
     path("api/", include(api)),
-    path("admin/", admin.site.urls),
+    path("admin/", admin_site.urls),
     path("__debug__/", include(debug_toolbar.urls)),
     path("", HomePageView.as_view()),
 ]