db/DatabasePlaylist: pass DatabaseSelection to search_add_to_playlist()

src/command/DatabaseCommands.cxx

@@ -188,9 +188,10 @@ handle_searchaddpl(Client &client, Request args, Response &r)
 	filter.Optimize();
 
 	const Database &db = client.GetDatabaseOrThrow();
+	const DatabaseSelection selection("", true, &filter);
 
 	search_add_to_playlist(db, client.GetStorage(),
-			       "", playlist, &filter);
+			       playlist, selection);
 	return CommandResult::OK;
 }
 

src/command/PlaylistCommands.cxx

@@ -20,6 +20,7 @@
 #include "config.h"
 #include "PlaylistCommands.hxx"
 #include "Request.hxx"
+#include "db/Selection.hxx"
 #include "db/DatabasePlaylist.hxx"
 #include "CommandError.hxx"
 #include "PlaylistSave.hxx"
@@ -180,9 +181,10 @@ handle_playlistadd(Client &client, Request args, gcc_unused Response &r)
 	} else {
 #ifdef ENABLE_DATABASE
 		const Database &db = client.GetDatabaseOrThrow();
+		const DatabaseSelection selection(uri, true, nullptr);
 
 		search_add_to_playlist(db, client.GetStorage(),
-				       uri, playlist, nullptr);
+				       playlist, selection);
 #else
 		r.Error(ACK_ERROR_NO_EXIST, "directory or file not found");
 		return CommandResult::ERROR;

src/db/DatabasePlaylist.cxx

@@ -36,11 +36,9 @@ AddSong(const Storage *storage, const char *playlist_path_utf8,
 
 void
 search_add_to_playlist(const Database &db, const Storage *storage,
-		       const char *uri, const char *playlist_path_utf8,
+		       const char *playlist_path_utf8,
-		       const SongFilter *filter)
+		       const DatabaseSelection &selection)
 {
-	const DatabaseSelection selection(uri, true, filter);
-
 	using namespace std::placeholders;
 	const auto f = std::bind(AddSong, storage,
 				 playlist_path_utf8, _1);

src/db/DatabasePlaylist.hxx

@@ -24,12 +24,12 @@
 
 class Database;
 class Storage;
-class SongFilter;
+struct DatabaseSelection;
 
-gcc_nonnull(3,4)
+gcc_nonnull(3)
 void
 search_add_to_playlist(const Database &db, const Storage *storage,
-		       const char *uri, const char *path_utf8,
+		       const char *playlist_path_utf8,
-		       const SongFilter *filter);
+		       const DatabaseSelection &selection);
 
 #endif