Initial commit - SoundWave v1.0

- Full PWA support with offline capabilities
- Comprehensive search across songs, playlists, and channels
- Offline playlist manager with download tracking
- Pre-built frontend for zero-build deployment
- Docker-based deployment with docker compose
- Material-UI dark theme interface
- YouTube audio download and management
- Multi-user authentication support

backend/download/views.py

@@ -0,0 +1,42 @@
+"""Download API views"""
+
+from rest_framework import status
+from rest_framework.response import Response
+from download.models import DownloadQueue
+from download.serializers import DownloadQueueSerializer, AddToDownloadSerializer
+from common.views import ApiBaseView, AdminWriteOnly
+
+
+class DownloadListView(ApiBaseView):
+    """Download queue list endpoint"""
+    permission_classes = [AdminWriteOnly]
+
+    def get(self, request):
+        """Get download queue"""
+        status_filter = request.query_params.get('filter', 'pending')
+        queryset = DownloadQueue.objects.filter(owner=request.user, status=status_filter)
+        serializer = DownloadQueueSerializer(queryset, many=True)
+        return Response({'data': serializer.data})
+
+    def post(self, request):
+        """Add to download queue"""
+        serializer = AddToDownloadSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        created_items = []
+        for url in serializer.validated_data['urls']:
+            item, created = DownloadQueue.objects.get_or_create(
+                owner=request.user,
+                url=url,
+                defaults={'auto_start': serializer.validated_data['auto_start']}
+            )
+            created_items.append(item)
+
+        response_serializer = DownloadQueueSerializer(created_items, many=True)
+        return Response(response_serializer.data, status=status.HTTP_201_CREATED)
+
+    def delete(self, request):
+        """Clear download queue"""
+        status_filter = request.query_params.get('filter', 'pending')
+        DownloadQueue.objects.filter(owner=request.user, status=status_filter).delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)