feat: add sitemap

sith/sitemap.py

@@ -0,0 +1,46 @@
+from django.conf import settings
+from django.contrib.sitemaps import Sitemap
+from django.db.models import OuterRef, Subquery
+from django.urls import reverse
+
+from club.models import Club
+from core.models import Page, PageRev
+
+
+class SithSitemap(Sitemap):
+    def items(self):
+        return [
+            "core:index",
+            "eboutic:main",
+            "sas:main",
+            "forum:main",
+            "club:club_list",
+            "election:list",
+        ]
+
+    def location(self, item):
+        return reverse(item)
+
+
+class PagesSitemap(Sitemap):
+    def items(self):
+        return (
+            Page.objects.filter(view_groups=settings.SITH_GROUP_PUBLIC_ID)
+            .exclude(revisions=None, _full_name__startswith="club")
+            .annotate(
+                lastmod=Subquery(
+                    PageRev.objects.filter(page=OuterRef("pk"))
+                    .values("date")
+                    .order_by("-date")[:1]
+                )
+            )
+            .all()
+        )
+
+    def lastmod(self, item: Page):
+        return item.lastmod
+
+
+class ClubSitemap(Sitemap):
+    def items(self):
+        return Club.objects.filter(is_active=True)