Fix updating play and skip count

src/collection/collection.cpp

@@ -91,6 +91,7 @@ void SCollection::Init() {
   connect(watcher_, SIGNAL(SubdirsDiscovered(SubdirectoryList)), backend_, SLOT(AddOrUpdateSubdirs(SubdirectoryList)));
   connect(watcher_, SIGNAL(SubdirsMTimeUpdated(SubdirectoryList)), backend_, SLOT(AddOrUpdateSubdirs(SubdirectoryList)));
   connect(watcher_, SIGNAL(CompilationsNeedUpdating()), backend_, SLOT(UpdateCompilations()));
+  connect(backend_, SIGNAL(SongsStatisticsChanged(SongList)), SLOT(SongsStatisticsChanged(SongList)));
   connect(app_->playlist_manager(), SIGNAL(CurrentSongChanged(Song)), SLOT(CurrentSongChanged(Song)));
   connect(app_->player(), SIGNAL(Stopped()), SLOT(Stopped()));
 
@@ -126,3 +127,6 @@ void SCollection::CurrentSongChanged(const Song &song) {  // FIXME
   }
 
 }
+
+void SCollection::SongsStatisticsChanged(const SongList &songs) {
+}

src/collection/collection.h

@@ -71,6 +71,7 @@ class SCollection : public QObject {
   void IncrementalScan();
 
   void CurrentSongChanged(const Song &song);
+  void SongsStatisticsChanged(const SongList& songs);
   void Stopped();
 
  private:

src/collection/collectionbackend.cpp

@@ -1068,6 +1068,7 @@ bool CollectionBackend::ExecQuery(CollectionQuery *q) {
 }
 
 void CollectionBackend::IncrementPlayCount(int id) {
+
   if (id == -1) return;
 
   QMutexLocker l(db_->Mutex());
@@ -1081,6 +1082,7 @@ void CollectionBackend::IncrementPlayCount(int id) {
   if (db_->CheckErrors(q)) return;
 
   Song new_song = GetSongById(id, db);
+  emit SongsStatisticsChanged(SongList() << new_song);
 
 }
 
@@ -1098,6 +1100,7 @@ void CollectionBackend::IncrementSkipCount(int id, float progress) {
   if (db_->CheckErrors(q)) return;
 
   Song new_song = GetSongById(id, db);
+  emit SongsStatisticsChanged(SongList() << new_song);
 
 }
 
@@ -1115,6 +1118,7 @@ void CollectionBackend::ResetStatistics(int id) {
   if (db_->CheckErrors(q)) return;
 
   Song new_song = GetSongById(id, db);
+  emit SongsStatisticsChanged(SongList() << new_song);
 
 }
 

src/collection/collectionbackend.h

@@ -202,6 +202,7 @@ signals:
 
   void SongsDiscovered(const SongList &songs);
   void SongsDeleted(const SongList &songs);
+  void SongsStatisticsChanged(const SongList& songs);
 
   void DatabaseReset();
 

src/collection/collectionmodel.cpp

@@ -121,6 +121,7 @@ CollectionModel::CollectionModel(CollectionBackend *backend, Application *app, Q
   connect(backend_, SIGNAL(TotalSongCountUpdated(int)), SLOT(TotalSongCountUpdatedSlot(int)));
   connect(backend_, SIGNAL(TotalArtistCountUpdated(int)), SLOT(TotalArtistCountUpdatedSlot(int)));
   connect(backend_, SIGNAL(TotalAlbumCountUpdated(int)), SLOT(TotalAlbumCountUpdatedSlot(int)));
+  connect(backend_, SIGNAL(SongsStatisticsChanged(SongList)), SLOT(SongsSlightlyChanged(SongList)));
 
   backend_->UpdateTotalSongCountAsync();
   backend_->UpdateTotalArtistCountAsync();

src/core/player.cpp

@@ -380,7 +380,7 @@ void Player::TrackEnded() {
   if (HandleStopAfter()) return;
 
   if (current_item_ && current_item_->IsLocalCollectionItem() && current_item_->Metadata().id() != -1) {
-    app_->playlist_manager()->collection_backend()->IncrementPlayCountAsync( current_item_->Metadata().id());
+    app_->playlist_manager()->collection_backend()->IncrementPlayCountAsync(current_item_->Metadata().id());
   }
 
   NextInternal(Engine::Auto);

src/playlist/playlistmanager.cpp

@@ -90,6 +90,7 @@ void PlaylistManager::Init(CollectionBackend *collection_backend, PlaylistBacken
   playlist_container_ = playlist_container;
 
   connect(collection_backend_, SIGNAL(SongsDiscovered(SongList)), SLOT(SongsDiscovered(SongList)));
+  connect(collection_backend_, SIGNAL(SongsStatisticsChanged(SongList)), SLOT(SongsDiscovered(SongList)));
 
   for (const PlaylistBackend::Playlist &p : playlist_backend->GetAllOpenPlaylists()) {
     AddPlaylist(p.id, p.name, p.special_type, p.ui_path, p.favorite);