Add management command to refresh caches of spotify playlists

website/common/tests/test_pages.py

@@ -60,6 +60,8 @@ class ListingPageTestCase(TestCase):
 
     def test_feed_accessible(self) -> None:
         with self.assertNumQueries(11):
-            response = self.client.get(self.page.url + self.page.reverse_subpage("feed"))
+            response = self.client.get(
+                self.page.url + self.page.reverse_subpage("feed")
+            )
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response["Content-Type"], "application/rss+xml; charset=utf-8")

website/spotify/management/commands/refresh_spotify_playlists.py

@@ -0,0 +1,17 @@
+from django.core.cache import cache
+from django.core.management.base import BaseCommand
+
+from website.spotify.models import SpotifyPlaylistPage
+from website.utils.queue import enqueue_or_sync
+
+
+def refresh_cache(page_id: int) -> None:
+    page = SpotifyPlaylistPage.objects.get(id=page_id)
+    cache.delete(page.playlist_cache_key)
+    page.playlist_data  # Prime cache
+
+
+class Command(BaseCommand):
+    def handle(self, *args: list, **options: dict) -> None:
+        for page in SpotifyPlaylistPage.objects.all().defer_streamfields().iterator():
+            enqueue_or_sync(refresh_cache, args=[page.id])