[EPIC] Audio metadata update - UI / API

api/funkwhale_api/common/tasks.py

@@ -0,0 +1,59 @@
+from django.db import transaction
+from django.dispatch import receiver
+
+
+from funkwhale_api.common import channels
+from funkwhale_api.taskapp import celery
+
+from . import models
+from . import serializers
+from . import signals
+
+
+@celery.app.task(name="common.apply_mutation")
+@transaction.atomic
+@celery.require_instance(
+    models.Mutation.objects.exclude(is_applied=True).select_for_update(), "mutation"
+)
+def apply_mutation(mutation):
+    mutation.apply()
+
+
+@receiver(signals.mutation_created)
+def broadcast_mutation_created(mutation, **kwargs):
+    group = "instance_activity"
+    channels.group_send(
+        group,
+        {
+            "type": "event.send",
+            "text": "",
+            "data": {
+                "type": "mutation.created",
+                "mutation": serializers.APIMutationSerializer(mutation).data,
+                "pending_review_count": models.Mutation.objects.filter(
+                    is_approved=None
+                ).count(),
+            },
+        },
+    )
+
+
+@receiver(signals.mutation_updated)
+def broadcast_mutation_update(mutation, old_is_approved, new_is_approved, **kwargs):
+    group = "instance_activity"
+    channels.group_send(
+        group,
+        {
+            "type": "event.send",
+            "text": "",
+            "data": {
+                "type": "mutation.updated",
+                "mutation": serializers.APIMutationSerializer(mutation).data,
+                "pending_review_count": models.Mutation.objects.filter(
+                    is_approved=None
+                ).count(),
+                "old_is_approved": old_is_approved,
+                "new_is_approved": new_is_approved,
+            },
+        },
+    )