Scrobbler: Refactor and add MusicBrainz integration

src/scrobbler/scrobblemetadata.cpp

@@ -0,0 +1,41 @@
+/*
+* Strawberry Music Player
+* Copyright 2023, Jonas Kvinge <jonas@jkvinge.net>
+*
+* Strawberry is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Strawberry is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+#include "core/song.h"
+
+#include "scrobblemetadata.h"
+
+ScrobbleMetadata::ScrobbleMetadata(const Song &song)
+    : title(song.title()),
+      album(song.album()),
+      artist(song.artist()),
+      albumartist(song.albumartist()),
+      track(song.track()),
+      grouping(song.grouping()),
+      musicbrainz_album_artist_id(song.musicbrainz_album_artist_id()),
+      musicbrainz_artist_id(song.musicbrainz_artist_id()),
+      musicbrainz_original_artist_id(song.musicbrainz_original_artist_id()),
+      musicbrainz_album_id(song.musicbrainz_album_id()),
+      musicbrainz_original_album_id(song.musicbrainz_original_album_id()),
+      musicbrainz_recording_id(song.musicbrainz_recording_id()),
+      musicbrainz_track_id(song.musicbrainz_track_id()),
+      musicbrainz_disc_id(song.musicbrainz_disc_id()),
+      musicbrainz_release_group_id(song.musicbrainz_release_group_id()),
+      musicbrainz_work_id(song.musicbrainz_work_id()),
+      length_nanosec(song.length_nanosec()) {}