Add command for updating feeds

feedvault/management/commands/update_feeds.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+from datetime import timedelta
+
+from django.core.management.base import BaseCommand, no_translations
+from django.db.models import Q
+from django.utils import timezone
+
+from feedvault.feeds import grab_entries
+from feedvault.models import Entry, Feed
+
+
+class Command(BaseCommand):
+    help = "Check for new entries in feeds"
+    requires_migrations_checks = True
+
+    @no_translations
+    def handle(self, *args, **options) -> None:  # noqa: ANN002, ANN003, ARG002
+        new_entries: int = 0
+
+        # Grab feeds that haven't been checked in 15 minutes OR haven't been checked at all
+        for feed in Feed.objects.filter(
+            Q(last_checked__lte=timezone.now() - timedelta(minutes=15)) | Q(last_checked__isnull=True),
+        ):
+            entries: None | list[Entry] = grab_entries(feed)
+            if not entries:
+                self.stdout.write(f"No new entries for {feed.title}")
+                continue
+
+            self.stdout.write(f"Updated {feed}")
+            self.stdout.write(f"Added {len(entries)} new entries for {feed}")
+            new_entries += len(entries)
+
+        if new_entries:
+            self.stdout.write(self.style.SUCCESS(f"Successfully updated feeds. Added {new_entries} new entries"))
+
+        self.stdout.write("No new entries found")