Add route for lyrics

Author: Neraste

dakara_server/dakara_server/urls.py

@@ -102,6 +102,11 @@
         library_views.SongView.as_view(),
         name="library-song",
     ),
+    path(
+        "api/library/songs/lyrics/<int:pk>/",
+        library_views.SongLyricsView.as_view(),
+        name="library-song-lyrics",
+    ),
     path(
         "api/library/songs/retrieve/",
         library_views.SongRetrieveListView.as_view(),

dakara_server/library/serializers.py

@@ -403,6 +403,14 @@ def update(self, song, validated_data):
         return song
 
 
+class SongLyricsSerializer(serializers.ModelSerializer):
+    """Song lyrics field serializer."""
+
+    class Meta:
+        model = Song
+        fields = ("id", "lyrics")
+
+
 class SongForPlayerSerializer(serializers.ModelSerializer):
     """Song serializer.
 

dakara_server/library/tests/test_song.py

@@ -57,6 +57,9 @@ def test_get_song_long_lyrics(self):
         self.assertEqual(len(response.data["results"]), 2)
 
         # check lyrics
+        self.assertNotEqual(
+            response.data["results"][1]["lyrics_preview"]["text"], self.song2.lyrics
+        )
         self.assertDictEqual(
             response.data["results"][1]["lyrics_preview"],
             {
@@ -936,3 +939,34 @@ def test_put_song_embedded_work_subtitle(self):
         self.assertEqual(Work.objects.count(), 4)
         workNew = Work.objects.get(title="Work1", subtitle="", work_type=self.wt1)
         self.assertIsNotNone(workNew)
+
+
+class SongLyricsViewTestCase(LibraryAPITestCase):
+    def setUp(self):
+        # create a user without any rights
+        self.user = self.create_user("TestUser")
+
+        # create test data
+        self.create_test_data()
+
+        # add lyrics to one song
+        self.song2.lyrics = """Mary had a little lamb
+Little lamb, little lamb
+Mary had a little lamb
+Its fleece was white as snow
+And everywhere that Mary went
+Mary went, Mary."""
+        self.song2.save()
+
+        # Create urls to access these playlist entries
+        self.url_song2 = reverse("library-song-lyrics", kwargs={"pk": self.song2.id})
+
+    def test_get_lyrics(self):
+        """Get a song lyrics."""
+        self.authenticate(self.user)
+
+        response = self.client.get(self.url_song2)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data["id"], self.song2.id)
+        self.assertEqual(response.data["lyrics"], self.song2.lyrics)

dakara_server/library/views.py

@@ -7,6 +7,7 @@
 from rest_framework.generics import (
     ListAPIView,
     ListCreateAPIView,
+    RetrieveAPIView,
     RetrieveUpdateDestroyAPIView,
 )
 from rest_framework.permissions import IsAuthenticated
@@ -194,6 +195,17 @@ class SongView(RetrieveUpdateDestroyAPIView):
     serializer_class = serializers.SongSerializer
 
 
+class SongLyricsView(RetrieveAPIView):
+    """List of songs."""
+
+    permission_classes = [
+        IsAuthenticated,
+        permissions.IsLibraryManager | internal_permissions.IsReadOnly,
+    ]
+    queryset = models.Song.objects.all()
+    serializer_class = serializers.SongLyricsSerializer
+
+
 class SongRetrieveListView(ListAPIView):
     """List of all songs.