Add GET /api/v1/statistics/soundtracks with every soundtrack and its songs

The other soundtrack statistics are capped at 100, so a client that shows every soundtrack (the MusicPlayer statistics tab) had no way to get them all. This one has no limit and is sorted by name.

internal/server/handlers_test.go

@@ -260,6 +260,17 @@ func (s statsStore) GetMostPlayedSoundtracksWithSongs(_ context.Context, limit i
 	}}, s.err
 }
 
+func (s statsStore) GetAllSoundtracksWithSongs(context.Context) ([]repository.GetAllSoundtracksWithSongsRow, error) {
+	return []repository.GetAllSoundtracksWithSongsRow{{
+		SoundtrackUuid:   statsSoundtrackUUID,
+		SoundtrackName:   "Game A",
+		SoundtrackPlayed: 4,
+		Songs:            []byte(`[{"song_uuid":"` + statsSongUUID.String() + `","song_name":"Song","times_played":3}]`),
+	}, {
+		SoundtrackName: "Game B",
+	}}, s.err
+}
+
 func (s statsStore) GetStatisticsSummary(context.Context) (repository.GetStatisticsSummaryRow, error) {
 	return repository.GetStatisticsSummaryRow{TotalSoundtracks: 5, AvgSoundtrackPlays: 1.5}, s.err
 }
@@ -288,6 +299,13 @@ func TestStatisticsEndpoints(t *testing.T) {
 		assert.Equal(t, http.StatusUnprocessableEntity, e.do(http.MethodGet, "/api/v1/statistics/soundtracks/most-played?limit="+limit).Code, limit)
 	}
 
+	require.NoError(t, json.Unmarshal(e.do(http.MethodGet, "/api/v1/statistics/soundtracks").Body.Bytes(), &soundtracks))
+	require.Len(t, soundtracks, 2, "every soundtrack, no limit")
+	assert.Equal(t, "Game A", soundtracks[0].SoundtrackName)
+	assert.Equal(t, int32(4), soundtracks[0].SoundtrackPlayed)
+	assert.Equal(t, "Song", soundtracks[0].Songs[0].SongName)
+	assert.Empty(t, soundtracks[1].Songs, "no songs is an empty list")
+
 	var summary backend.StatisticsSummary
 	require.NoError(t, json.Unmarshal(e.do(http.MethodGet, "/api/v1/statistics/summary").Body.Bytes(), &summary))
 	assert.Equal(t, backend.StatisticsSummary{TotalSoundtracks: 5, AvgSoundtrackPlays: 1.5}, summary)
@@ -295,4 +313,5 @@ func TestStatisticsEndpoints(t *testing.T) {
 	e.server.stats = backend.NewStatisticsService(statsStore{err: errors.New("db down")})
 	e.handler = e.server.RegisterRoutes()
 	assert.Equal(t, http.StatusInternalServerError, e.do(http.MethodGet, "/api/v1/statistics/summary").Code)
+	assert.Equal(t, http.StatusInternalServerError, e.do(http.MethodGet, "/api/v1/statistics/soundtracks").Code)
 }