Fixed unplayable playlists

api/funkwhale_api/playlists/models.py

@@ -38,6 +38,23 @@ class PlaylistQuerySet(models.QuerySet):
         )
         return self.prefetch_related(plt_prefetch)
 
+    def annotate_playable_by_actor(self, actor):
+        plts = (
+            PlaylistTrack.objects.playable_by(actor)
+            .filter(playlist=models.OuterRef("id"))
+            .order_by("id")
+            .values("id")[:1]
+        )
+        subquery = models.Subquery(plts)
+        return self.annotate(is_playable_by_actor=subquery)
+
+    def playable_by(self, actor, include=True):
+        plts = PlaylistTrack.objects.playable_by(actor, include)
+        if include:
+            return self.filter(playlist_tracks__in=plts)
+        else:
+            return self.exclude(playlist_tracks__in=plts)
+
 
 class Playlist(models.Model):
     name = models.CharField(max_length=50)
@@ -139,6 +156,23 @@ class PlaylistTrackQuerySet(models.QuerySet):
             )
         )
 
+    def annotate_playable_by_actor(self, actor):
+        tracks = (
+            music_models.Track.objects.playable_by(actor)
+            .filter(pk=models.OuterRef("track"))
+            .order_by("id")
+            .values("id")[:1]
+        )
+        subquery = models.Subquery(tracks)
+        return self.annotate(is_playable_by_actor=subquery)
+
+    def playable_by(self, actor, include=True):
+        tracks = music_models.Track.objects.playable_by(actor, include)
+        if include:
+            return self.filter(track__pk__in=tracks)
+        else:
+            return self.exclude(track__pk__in=tracks)
+
 
 class PlaylistTrack(models.Model):
     track = models.ForeignKey(

api/funkwhale_api/playlists/serializers.py

@@ -11,10 +11,17 @@ from . import models
 
 class PlaylistTrackSerializer(serializers.ModelSerializer):
     track = TrackSerializer()
+    is_playable = serializers.SerializerMethodField()
 
     class Meta:
         model = models.PlaylistTrack
-        fields = ("id", "track", "playlist", "index", "creation_date")
+        fields = ("id", "track", "playlist", "index", "creation_date", "is_playable")
+
+    def get_is_playable(self, obj):
+        try:
+            return bool(obj.is_playable_by_actor)
+        except AttributeError:
+            return None
 
 
 class PlaylistTrackWriteSerializer(serializers.ModelSerializer):
@@ -68,6 +75,7 @@ class PlaylistSerializer(serializers.ModelSerializer):
     duration = serializers.SerializerMethodField(read_only=True)
     album_covers = serializers.SerializerMethodField(read_only=True)
     user = UserBasicSerializer(read_only=True)
+    is_playable = serializers.SerializerMethodField()
 
     class Meta:
         model = models.Playlist
@@ -81,9 +89,16 @@ class PlaylistSerializer(serializers.ModelSerializer):
             "tracks_count",
             "album_covers",
             "duration",
+            "is_playable",
         )
         read_only_fields = ["id", "modification_date", "creation_date"]
 
+    def get_is_playable(self, obj):
+        try:
+            return bool(obj.is_playable_by_actor)
+        except AttributeError:
+            return None
+
     def get_tracks_count(self, obj):
         try:
             return obj.tracks_count

api/funkwhale_api/playlists/views.py

@@ -6,7 +6,7 @@ from rest_framework.permissions import IsAuthenticatedOrReadOnly
 from rest_framework.response import Response
 
 from funkwhale_api.common import fields, permissions
-
+from funkwhale_api.music import utils as music_utils
 from . import filters, models, serializers
 
 
@@ -74,7 +74,9 @@ class PlaylistViewSet(
         return Response(status=204)
 
     def get_queryset(self):
-        return self.queryset.filter(fields.privacy_level_query(self.request.user))
+        return self.queryset.filter(
+            fields.privacy_level_query(self.request.user)
+        ).annotate_playable_by_actor(music_utils.get_actor_from_request(self.request))
 
     def perform_create(self, serializer):
         return serializer.save(
@@ -116,7 +118,7 @@ class PlaylistTrackViewSet(
                 lookup_field="playlist__privacy_level",
                 user_field="playlist__user",
             )
-        )
+        ).annotate_playable_by_actor(music_utils.get_actor_from_request(self.request))
 
     def perform_destroy(self, instance):
         instance.delete(update_indexes=True)

api/tests/playlists/test_models.py

@@ -122,3 +122,38 @@ def test_insert_many_honor_max_tracks(preferences, factories):
     track = factories["music.Track"]()
     with pytest.raises(exceptions.ValidationError):
         playlist.insert_many([track, track, track])
+
+
+@pytest.mark.parametrize(
+    "privacy_level,expected", [("me", False), ("instance", False), ("everyone", True)]
+)
+def test_playlist_track_playable_by_anonymous(privacy_level, expected, factories):
+    plt = factories["playlists.PlaylistTrack"]()
+    track = plt.track
+    factories["music.Upload"](
+        track=track, library__privacy_level=privacy_level, import_status="finished"
+    )
+    queryset = plt.__class__.objects.playable_by(None).annotate_playable_by_actor(None)
+    match = plt in list(queryset)
+    assert match is expected
+    if expected:
+        assert bool(queryset.first().is_playable_by_actor) is expected
+
+
+@pytest.mark.parametrize(
+    "privacy_level,expected", [("me", False), ("instance", False), ("everyone", True)]
+)
+def test_playlist_playable_by_anonymous(privacy_level, expected, factories):
+    plt = factories["playlists.PlaylistTrack"]()
+    playlist = plt.playlist
+    track = plt.track
+    factories["music.Upload"](
+        track=track, library__privacy_level=privacy_level, import_status="finished"
+    )
+    queryset = playlist.__class__.objects.playable_by(None).annotate_playable_by_actor(
+        None
+    )
+    match = playlist in list(queryset)
+    assert match is expected
+    if expected:
+        assert bool(queryset.first().is_playable_by_actor) is expected

api/tests/playlists/test_views.py

@@ -25,6 +25,16 @@ def test_serializer_includes_tracks_count(factories, logged_in_api_client):
     assert response.data["tracks_count"] == 1
 
 
+def test_serializer_includes_is_playable(factories, logged_in_api_client):
+    playlist = factories["playlists.Playlist"]()
+    factories["playlists.PlaylistTrack"](playlist=playlist)
+
+    url = reverse("api:v1:playlists-detail", kwargs={"pk": playlist.pk})
+    response = logged_in_api_client.get(url)
+
+    assert response.data["is_playable"] is False
+
+
 def test_playlist_inherits_user_privacy(logged_in_api_client):
     url = reverse("api:v1:playlists-list")
     user = logged_in_api_client.user

front/src/components/playlists/Card.vue

@@ -5,8 +5,8 @@
     <div class="content">
       <div class="header">
         <div class="right floated">
-          <play-button :icon-only="true" class="ui inline" :button-classes="['ui', 'circular', 'large', {orange: playlist.tracks_count > 0}, 'icon', 'button', {disabled: playlist.tracks_count === 0}]" :playlist="playlist"></play-button>
-          <play-button class="basic inline icon" :dropdown-only="true" :dropdown-icon-classes="['ellipsis', 'vertical', 'large', {disabled: playlist.tracks_count === 0}, 'grey']" :playlist="playlist"></play-button>
+          <play-button :is-playable="playlist.is_playable" :icon-only="true" class="ui inline" :button-classes="['ui', 'circular', 'large', {orange: playlist.tracks_count > 0}, 'icon', 'button', {disabled: playlist.tracks_count === 0}]" :playlist="playlist"></play-button>
+          <play-button :is-playable="playlist.is_playable" class="basic inline icon" :dropdown-only="true" :dropdown-icon-classes="['ellipsis', 'vertical', 'large', {disabled: playlist.tracks_count === 0}, 'grey']" :playlist="playlist"></play-button>
         </div>
         <router-link :title="playlist.name" class="discrete link" :to="{name: 'library.playlists.detail', params: {id: playlist.id }}">
           {{ playlist.name | truncate(30) }}