2 files changed, 40 insertions, 0 deletions
diff --git a/pydis_site/apps/home/tests/test_repodata_helpers.py b/pydis_site/apps/home/tests/test_repodata_helpers.py
index 34bbdcde..5634bc9b 100644
--- a/pydis_site/apps/home/tests/test_repodata_helpers.py
+++ b/pydis_site/apps/home/tests/test_repodata_helpers.py
@@ -124,3 +124,37 @@ class TestRepositoryMetadataHelpers(TestCase):
 
         metadata = self.home_view._get_repo_data()
         self.assertEquals(len(metadata), 0)
+
+    def test_cleans_up_stale_metadata(self):
+        """Tests that we clean up stale metadata when we start the HomeView."""
+        repo_data = RepositoryMetadata(
+            repo_name="python-discord/INVALID",
+            description="testrepo",
+            forks=42,
+            stargazers=42,
+            language="English",
+            last_updated=timezone.now() - timedelta(seconds=HomeView.repository_cache_ttl + 1),
+        )
+        repo_data.save()
+        self.home_view.__init__()
+        cached_repos = RepositoryMetadata.objects.all()
+        cached_names = [repo.repo_name for repo in cached_repos]
+
+        self.assertNotIn("python-discord/INVALID", cached_names)
+
+    def test_dont_clean_up_unstale_metadata(self):
+        """Tests that we don't clean up good metadata when we start the HomeView."""
+        repo_data = RepositoryMetadata(
+            repo_name="python-discord/site",
+            description="testrepo",
+            forks=42,
+            stargazers=42,
+            language="English",
+            last_updated=timezone.now() - timedelta(seconds=HomeView.repository_cache_ttl + 1),
+        )
+        repo_data.save()
+        self.home_view.__init__()
+        cached_repos = RepositoryMetadata.objects.all()
+        cached_names = [repo.repo_name for repo in cached_repos]
+
+        self.assertIn("python-discord/site", cached_names)
diff --git a/pydis_site/apps/home/views/home.py b/pydis_site/apps/home/views/home.py
index 97253a0c..5c535b65 100644
--- a/pydis_site/apps/home/views/home.py
+++ b/pydis_site/apps/home/views/home.py
@@ -29,6 +29,12 @@ class HomeView(View):
         "python-discord/django-simple-bulma",
     ]
 
+    def __init__(self):
+        """Clean up stale RepositoryMetadata."""
+        for cached_repo in RepositoryMetadata.objects.all():
+            if cached_repo.repo_name not in self.repos:
+                cached_repo.delete()
+
     def _get_api_data(self) -> Dict[str, Dict[str, str]]:
         """
         Call the GitHub API and get information about our repos.