See #170: subscribe to 3d-party RSS feeds in Funkwhale

api/funkwhale_api/audio/tasks.py

@@ -0,0 +1,51 @@
+import datetime
+import logging
+
+from django.conf import settings
+from django.db import transaction
+from django.utils import timezone
+
+from funkwhale_api.taskapp import celery
+
+from . import models
+from . import serializers
+
+logger = logging.getLogger(__name__)
+
+
+@celery.app.task(name="audio.fetch_rss_feeds")
+def fetch_rss_feeds():
+    limit = timezone.now() - datetime.timedelta(
+        seconds=settings.PODCASTS_RSS_FEED_REFRESH_DELAY
+    )
+    candidates = (
+        models.Channel.objects.external_rss()
+        .filter(actor__last_fetch_date__lte=limit)
+        .values_list("rss_url", flat=True)
+    )
+
+    total = len(candidates)
+    logger.info("Refreshing %s rss feeds…", total)
+    for url in candidates:
+        fetch_rss_feed.delay(rss_url=url)
+
+
+@celery.app.task(name="audio.fetch_rss_feed")
+@transaction.atomic
+def fetch_rss_feed(rss_url):
+    channel = (
+        models.Channel.objects.external_rss()
+        .filter(rss_url=rss_url)
+        .order_by("id")
+        .first()
+    )
+    if not channel:
+        logger.warn("Cannot refresh non external feed")
+        return
+
+    try:
+        serializers.get_channel_from_rss_url(rss_url)
+    except serializers.BlockedFeedException:
+        # channel was blocked since last fetch, let's delete it
+        logger.info("Deleting blocked channel linked to %s", rss_url)
+        channel.delete()