IMediaLibrary: Add a playlist getter

include/IMediaLibrary.h

@@ -158,6 +158,7 @@ class IMediaLibrary
          */
         virtual PlaylistPtr createPlaylist( const std::string& name ) = 0;
         virtual std::vector<PlaylistPtr> playlists( medialibrary::SortingCriteria sort = medialibrary::SortingCriteria::Default, bool desc = false ) = 0;
+        virtual PlaylistPtr playlist( int64_t id ) const = 0;
         virtual bool deletePlaylist( int64_t playlistId ) = 0;
 
         /**

src/MediaLibrary.cpp

@@ -394,6 +394,11 @@ std::vector<PlaylistPtr> MediaLibrary::playlists(medialibrary::SortingCriteria s
     return Playlist::listAll( this, sort, desc );
 }
 
+PlaylistPtr MediaLibrary::playlist( int64_t id ) const
+{
+    return Playlist::fetch( this, id );
+}
+
 bool MediaLibrary::deletePlaylist( int64_t playlistId )
 {
     return Playlist::destroy( this, playlistId );

src/MediaLibrary.h

@@ -87,6 +87,7 @@ class MediaLibrary : public IMediaLibrary
 
         virtual PlaylistPtr createPlaylist( const std::string& name ) override;
         virtual std::vector<PlaylistPtr> playlists( medialibrary::SortingCriteria sort, bool desc ) override;
+        virtual PlaylistPtr playlist( int64_t id ) const override;
         virtual bool deletePlaylist( int64_t playlistId ) override;
 
         virtual bool addToHistory( const std::string& mrl );