fix channel metadata choices schema

api/funkwhale_api/audio/views.py

@@ -2,10 +2,12 @@ from django import http
 from django.db import transaction
 from django.db.models import Count, Prefetch, Q, Sum
 from django.utils import timezone
-from drf_spectacular.utils import extend_schema, extend_schema_view
+from drf_spectacular.utils import extend_schema, extend_schema_view, inline_serializer
 from rest_framework import decorators, exceptions, mixins
 from rest_framework import permissions as rest_permissions
-from rest_framework import response, viewsets
+from rest_framework import response
+from rest_framework import serializers as rest_serializers
+from rest_framework import viewsets
 
 from funkwhale_api.common import locales, permissions, preferences
 from funkwhale_api.common import utils as common_utils
@@ -210,6 +212,32 @@ class ChannelViewSet(
         data = serializers.rss_serialize_channel_full(channel=object, uploads=uploads)
         return response.Response(data, status=200)
 
+    @extend_schema(
+        responses=inline_serializer(
+            name="MetedataChoicesSerializer",
+            fields={
+                "language": rest_serializers.ListField(
+                    child=inline_serializer(
+                        name="LanguageItem",
+                        fields={
+                            "value": rest_serializers.CharField(),
+                            "label": rest_serializers.CharField(),
+                        },
+                    )
+                ),
+                "itunes_category": rest_serializers.ListField(
+                    child=inline_serializer(
+                        name="iTunesCategoryItem",
+                        fields={
+                            "value": rest_serializers.CharField(),
+                            "label": rest_serializers.CharField(),
+                            "children": rest_serializers.CharField(),
+                        },
+                    )
+                ),
+            },
+        )
+    )
     @decorators.action(
         methods=["get"],
         detail=False,

api/funkwhale_api/common/schema.yml

@@ -2152,7 +2152,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/Channel'
+                $ref: '#/components/schemas/MetedataChoices'
           description: ''
   /api/v1/channels/rss-subscribe/:
     post:
@@ -11653,7 +11653,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/Channel'
+                $ref: '#/components/schemas/MetedataChoices'
           description: ''
   /api/v2/channels/rss-subscribe/:
     post:
@@ -20926,6 +20926,16 @@ components:
       required:
       - channel
       - uuid
+    LanguageItem:
+      type: object
+      properties:
+        value:
+          type: string
+        label:
+          type: string
+      required:
+      - label
+      - value
     Library:
       type: object
       properties:
@@ -23146,6 +23156,20 @@ components:
           readOnly: true
       required:
       - tracks
+    MetedataChoices:
+      type: object
+      properties:
+        language:
+          type: array
+          items:
+            $ref: '#/components/schemas/LanguageItem'
+        itunes_category:
+          type: array
+          items:
+            $ref: '#/components/schemas/iTunesCategoryItem'
+      required:
+      - itunes_category
+      - language
     ModerationTarget:
       type: object
       properties:
@@ -25845,6 +25869,19 @@ components:
           minLength: 1
       required:
       - key
+    iTunesCategoryItem:
+      type: object
+      properties:
+        value:
+          type: string
+        label:
+          type: string
+        children:
+          type: string
+      required:
+      - children
+      - label
+      - value
   securitySchemes:
     ApplicationToken:
       type: http