streamer as separate application; working streamer monitor interface

aircox_streamer/serializers.py

@@ -1,24 +1,35 @@
+from django.urls import reverse
+
 from rest_framework import serializers
 
+from .controllers import QueueSource, PlaylistSource
+
 
 __all__ = ['RequestSerializer', 'StreamerSerializer', 'SourceSerializer',
            'PlaylistSerializer', 'QueueSourceSerializer']
 # TODO: use models' serializers
 
 
-class BaseMetadataSerializer(serializers.Serializer):
+class BaseSerializer(serializers.Serializer):
+    url_ = serializers.SerializerMethodField('get_url')
+    url_name = None
+
+    def get_url(self, obj, **kwargs):
+        if not obj or not self.url_name:
+            return
+        kwargs.setdefault('pk', getattr(obj, 'id', None))
+        return reverse(self.url_name, kwargs=kwargs)
+
+
+class BaseMetadataSerializer(BaseSerializer):
     rid = serializers.IntegerField()
     air_time = serializers.DateTimeField()
     uri = serializers.CharField()
 
 
-class RequestSerializer(serializers.Serializer):
-    title = serializers.CharField()
-    artist = serializers.CharField()
-
-
-class StreamerSerializer(serializers.Serializer):
-    station = serializers.CharField(source='station.title')
+class RequestSerializer(BaseMetadataSerializer):
+    title = serializers.CharField(required=False)
+    artist = serializers.CharField(required=False)
 
 
 class SourceSerializer(BaseMetadataSerializer):
@@ -27,14 +38,34 @@ class SourceSerializer(BaseMetadataSerializer):
     rid = serializers.IntegerField()
     air_time = serializers.DateTimeField()
     status = serializers.CharField()
+    remaining = serializers.FloatField()
+
+    def get_url(self, obj, **kwargs):
+        kwargs['station_pk'] = obj.station.pk
+        return super().get_url(obj, **kwargs)
 
 
 class PlaylistSerializer(SourceSerializer):
     program = serializers.CharField(source='program.title')
-    playlist = serializers.ListField(child=serializers.CharField())
 
+    url_name = 'admin:api:streamer-playlist-detail'
 
 class QueueSourceSerializer(SourceSerializer):
-    queue = serializers.ListField(child=RequestSerializer())
+    queue = serializers.ListField(child=RequestSerializer(), source='requests')
+
+    url_name = 'admin:api:streamer-queue-detail'
 
 
+class StreamerSerializer(BaseSerializer):
+    id = serializers.IntegerField(source='station.pk')
+    name = serializers.CharField(source='station.name')
+    source = serializers.CharField(source='source.id', required=False)
+    playlists = serializers.ListField(child=PlaylistSerializer())
+    queues = serializers.ListField(child=QueueSourceSerializer())
+
+    url_name = 'admin:api:streamer-detail'
+
+    def get_url(self, obj, **kwargs):
+        kwargs['pk'] = obj.station.pk
+        return super().get_url(obj, **kwargs)
+