Add a new track tag + index for multiple artists

We still mostly use the singular 'Artist' tag for e.g. displaying a nice
name in the now playing screen, but where a track has an 'ARTISTS=' tag,
we'll split by semicolon and then use the resulting list to populate an
index of tracks by artist

1 files changed, 5 insertions, 0 deletions

diff --git a/src/tangara/database/track.hpp b/src/tangara/database/track.hpp
index 65c5cfec..21d6349d 100644
--- a/src/tangara/database/track.hpp
+++ b/src/tangara/database/track.hpp
@@ -73,6 +73,7 @@ enum class Tag {
   kTrack = 5,
   kAlbumOrder = 6,
   kGenres = 7,
+  kAllArtists = 8,
 };
 
 using TagValue = std::variant<std::monostate,
@@ -114,6 +115,9 @@ class TrackTags {
   auto artist() const -> const std::optional<std::pmr::string>&;
   auto artist(std::string_view) -> void;
 
+  auto allArtists() const -> std::span<const std::pmr::string>;
+  auto allArtists(const std::string_view) -> void;
+
   auto album() const -> const std::optional<std::pmr::string>&;
   auto album(std::string_view) -> void;
 
@@ -144,6 +148,7 @@ class TrackTags {
 
   std::optional<std::pmr::string> title_;
   std::optional<std::pmr::string> artist_;
+  std::pmr::vector<std::pmr::string> allArtists_;
   std::optional<std::pmr::string> album_;
   std::optional<std::pmr::string> album_artist_;
   std::optional<uint8_t> disc_;