Sort by <field>_sort from tags if it is available (#107)

Closes #73

Reviewed-on: #107

src/bin/musichoard-edit.rs

@@ -44,6 +44,8 @@ enum ArtistCommand {
     Add(ArtistValue),
     #[structopt(about = "Remove an artist from the collection")]
     Remove(ArtistValue),
+    #[structopt(about = "Edit the artist's sort name")]
+    Sort(SortCommand),
     #[structopt(name = "musicbrainz", about = "Edit the MusicBrainz URL of an artist")]
     MusicBrainz(UrlCommand<SingleUrlValue>),
     #[structopt(
@@ -57,12 +59,28 @@ enum ArtistCommand {
     Qobuz(UrlCommand<SingleUrlValue>),
 }
 
+#[derive(StructOpt, Debug)]
+enum SortCommand {
+    #[structopt(help = "Set the provided name as the artist's sort name")]
+    Set(ArtistSortValue),
+    #[structopt(help = "Clear the artist's sort name")]
+    Clear(ArtistValue),
+}
+
 #[derive(StructOpt, Debug)]
 struct ArtistValue {
     #[structopt(help = "The name of the artist")]
     artist: String,
 }
 
+#[derive(StructOpt, Debug)]
+struct ArtistSortValue {
+    #[structopt(help = "The name of the artist")]
+    artist: String,
+    #[structopt(help = "The sort name of the artist")]
+    sort: String,
+}
+
 #[derive(StructOpt, Debug)]
 enum UrlCommand<T: StructOpt> {
     #[structopt(about = "Add the provided URL(s) without overwriting existing values")]
@@ -137,6 +155,9 @@ impl ArtistCommand {
             ArtistCommand::Remove(artist_value) => {
                 music_hoard.remove_artist(ArtistId::new(artist_value.artist));
             }
+            ArtistCommand::Sort(sort_command) => {
+                sort_command.handle(music_hoard);
+            }
             ArtistCommand::MusicBrainz(url_command) => {
                 single_url_command_dispatch!(url_command, music_hoard, musicbrainz)
             }
@@ -153,6 +174,22 @@ impl ArtistCommand {
     }
 }
 
+impl SortCommand {
+    fn handle(self, music_hoard: &mut MH) {
+        match self {
+            SortCommand::Set(artist_sort_value) => music_hoard
+                .set_artist_sort(
+                    ArtistId::new(artist_sort_value.artist),
+                    ArtistId::new(artist_sort_value.sort),
+                )
+                .expect("faild to set artist sort name"),
+            SortCommand::Clear(artist_value) => music_hoard
+                .clear_artist_sort(ArtistId::new(artist_value.artist))
+                .expect("failed to clear artist sort name"),
+        }
+    }
+}
+
 fn main() {
     let opt = Opt::from_args();
 

src/database/json/mod.rs

@@ -65,26 +65,28 @@ mod tests {
 
     use super::*;
 
-    use crate::{tests::COLLECTION, Artist, ArtistId, Collection, Format, IUrl};
+    use crate::{tests::COLLECTION, Artist, ArtistId, Collection, Format};
 
-    fn opt_to_url<U: IUrl>(opt: &Option<U>) -> String {
+    fn opt_to_str<S: AsRef<str>>(opt: &Option<S>) -> String {
         match opt {
-            Some(mb) => format!("\"{}\"", mb.url()),
+            Some(val) => format!("\"{}\"", val.as_ref()),
             None => String::from("null"),
         }
     }
 
-    fn vec_to_urls<U: IUrl>(vec: &[U]) -> String {
+    fn vec_to_str<S: AsRef<str>>(vec: &[S]) -> String {
         let mut urls: Vec<String> = vec![];
         for item in vec.iter() {
-            urls.push(format!("\"{}\"", item.url()));
+            urls.push(format!("\"{}\"", item.as_ref()));
         }
         format!("[{}]", urls.join(","))
     }
 
-    fn artist_to_json(artist: &Artist) -> String {
-        let album_artist = &artist.id.name;
+    fn artist_id_to_str(id: &ArtistId) -> String {
+        format!("{{\"name\":\"{}\"}}", id.name)
+    }
 
+    fn artist_to_json(artist: &Artist) -> String {
         let mut albums: Vec<String> = vec![];
         for album in artist.albums.iter() {
             let album_year = album.id.year;
@@ -127,10 +129,10 @@ mod tests {
         }
         let albums = albums.join(",");
 
-        let musicbrainz = opt_to_url(&artist.properties.musicbrainz);
-        let musicbutler = vec_to_urls(&artist.properties.musicbutler);
-        let bandcamp = vec_to_urls(&artist.properties.bandcamp);
-        let qobuz = opt_to_url(&artist.properties.qobuz);
+        let musicbrainz = opt_to_str(&artist.properties.musicbrainz);
+        let musicbutler = vec_to_str(&artist.properties.musicbutler);
+        let bandcamp = vec_to_str(&artist.properties.bandcamp);
+        let qobuz = opt_to_str(&artist.properties.qobuz);
 
         let properties = format!(
             "{{\
@@ -141,9 +143,17 @@ mod tests {
              }}"
         );
 
+        let album_artist = artist_id_to_str(&artist.id);
+        let album_artist_sort = artist
+            .sort
+            .as_ref()
+            .map(artist_id_to_str)
+            .unwrap_or_else(|| "null".to_string());
+
         format!(
             "{{\
-             \"id\":{{\"name\":\"{album_artist}\"}},\
+             \"id\":{album_artist},\
+             \"sort\":{album_artist_sort},\
              \"properties\":{properties},\
              \"albums\":[{albums}]\
              }}"
@@ -225,9 +235,7 @@ mod tests {
     fn save_errors() {
         let mut object = HashMap::<ArtistId, String>::new();
         object.insert(
-            ArtistId {
-                name: String::from("artist"),
-            },
+            ArtistId::new(String::from("artist")),
             String::from("string"),
         );
         let serde_err = serde_json::to_string(&object);

src/lib.rs

@@ -18,11 +18,6 @@ use serde::{Deserialize, Serialize};
 use url::Url;
 use uuid::Uuid;
 
-/// An object with the [`IUrl`] trait contains a valid URL.
-pub trait IUrl {
-    fn url(&self) -> &str;
-}
-
 /// An object with the [`IMbid`] trait contains a [MusicBrainz
 /// Identifier](https://musicbrainz.org/doc/MusicBrainz_Identifier) (MBID).
 pub trait IMbid {
@@ -83,6 +78,12 @@ impl MusicBrainz {
     }
 }
 
+impl AsRef<str> for MusicBrainz {
+    fn as_ref(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
 impl TryFrom<&str> for MusicBrainz {
     type Error = Error;
 
@@ -97,12 +98,6 @@ impl Display for MusicBrainz {
     }
 }
 
-impl IUrl for MusicBrainz {
-    fn url(&self) -> &str {
-        self.0.as_str()
-    }
-}
-
 impl IMbid for MusicBrainz {
     fn mbid(&self) -> &str {
         // The URL is assumed to have been validated.
@@ -142,6 +137,12 @@ impl MusicButler {
     }
 }
 
+impl AsRef<str> for MusicButler {
+    fn as_ref(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
 impl TryFrom<&str> for MusicButler {
     type Error = Error;
 
@@ -150,12 +151,6 @@ impl TryFrom<&str> for MusicButler {
     }
 }
 
-impl IUrl for MusicButler {
-    fn url(&self) -> &str {
-        self.0.as_str()
-    }
-}
-
 /// Bandcamp reference.
 #[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Bandcamp(Url);
@@ -188,6 +183,12 @@ impl Bandcamp {
     }
 }
 
+impl AsRef<str> for Bandcamp {
+    fn as_ref(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
 impl TryFrom<&str> for Bandcamp {
     type Error = Error;
 
@@ -196,12 +197,6 @@ impl TryFrom<&str> for Bandcamp {
     }
 }
 
-impl IUrl for Bandcamp {
-    fn url(&self) -> &str {
-        self.0.as_str()
-    }
-}
-
 /// Qobuz reference.
 #[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Qobuz(Url);
@@ -230,6 +225,12 @@ impl Qobuz {
     }
 }
 
+impl AsRef<str> for Qobuz {
+    fn as_ref(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
 impl TryFrom<&str> for Qobuz {
     type Error = Error;
 
@@ -244,12 +245,6 @@ impl Display for Qobuz {
     }
 }
 
-impl IUrl for Qobuz {
-    fn url(&self) -> &str {
-        self.0.as_str()
-    }
-}
-
 /// The track file format.
 #[derive(Clone, Copy, Debug, Deserialize, Serialize, PartialEq, Eq, Hash)]
 pub enum Format {
@@ -380,6 +375,7 @@ impl Merge for ArtistProperties {
 #[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
 pub struct Artist {
     pub id: ArtistId,
+    pub sort: Option<ArtistId>,
     pub properties: ArtistProperties,
     pub albums: Vec<Album>,
 }
@@ -433,11 +429,24 @@ impl Artist {
     pub fn new<ID: Into<ArtistId>>(id: ID) -> Self {
         Artist {
             id: id.into(),
+            sort: None,
             properties: ArtistProperties::default(),
             albums: vec![],
         }
     }
 
+    fn get_sort_key(&self) -> &ArtistId {
+        self.sort.as_ref().unwrap_or(&self.id)
+    }
+
+    fn set_sort_key<SORT: Into<ArtistId>>(&mut self, sort: SORT) {
+        self.sort = Some(sort.into());
+    }
+
+    fn clear_sort_key(&mut self) {
+        _ = self.sort.take();
+    }
+
     fn add_unique_url<S: AsRef<str>, T: for<'a> TryFrom<&'a str, Error = Error> + Eq + Display>(
         container: &mut Option<T>,
         url: S,
@@ -552,13 +561,14 @@ impl PartialOrd for Artist {
 
 impl Ord for Artist {
     fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        self.id.cmp(&other.id)
+        self.get_sort_key().cmp(other.get_sort_key())
     }
 }
 
 impl Merge for Artist {
     fn merge(mut self, other: Self) -> Self {
         assert_eq!(self.id, other.id);
+        self.sort = Self::merge_opts(self.sort, other.sort);
         self.properties = self.properties.merge(other.properties);
         self.albums = MergeSorted::new(self.albums.into_iter(), other.albums.into_iter()).collect();
         self
@@ -719,7 +729,7 @@ macro_rules! music_hoard_unique_url_dispatch {
                 artist_id: ID,
                 url: S,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<add_ $field _url>](url)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<add_ $field _url>](url)
             }
 
             pub fn [<remove_ $field _url>]<ID: AsRef<ArtistId>, S: AsRef<str>>(
@@ -727,7 +737,7 @@ macro_rules! music_hoard_unique_url_dispatch {
                 artist_id: ID,
                 url: S,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<remove_ $field _url>](url)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<remove_ $field _url>](url)
             }
 
             pub fn [<set_ $field _url>]<ID: AsRef<ArtistId>, S: AsRef<str>>(
@@ -735,14 +745,14 @@ macro_rules! music_hoard_unique_url_dispatch {
                 artist_id: ID,
                 url: S,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<set_ $field _url>](url)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<set_ $field _url>](url)
             }
 
             pub fn [<clear_ $field _url>]<ID: AsRef<ArtistId>>(
                 &mut self,
                 artist_id: ID,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<clear_ $field _url>]();
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<clear_ $field _url>]();
                 Ok(())
             }
         }
@@ -757,7 +767,7 @@ macro_rules! music_hoard_multi_url_dispatch {
                 artist_id: ID,
                 urls: Vec<S>,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<add_ $field _urls>](urls)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<add_ $field _urls>](urls)
             }
 
             pub fn [<remove_ $field _urls>]<ID: AsRef<ArtistId>, S: AsRef<str>>(
@@ -765,7 +775,7 @@ macro_rules! music_hoard_multi_url_dispatch {
                 artist_id: ID,
                 urls: Vec<S>,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<remove_ $field _urls>](urls)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<remove_ $field _urls>](urls)
             }
 
             pub fn [<set_ $field _urls>]<ID: AsRef<ArtistId>, S: AsRef<str>>(
@@ -773,13 +783,13 @@ macro_rules! music_hoard_multi_url_dispatch {
                 artist_id: ID,
                 urls: Vec<S>,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<set_ $field _urls>](urls)
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<set_ $field _urls>](urls)
             }
 
             pub fn [<clear_ $field _urls>]<ID: AsRef<ArtistId>>(
                 &mut self, artist_id: ID,
             ) -> Result<(), Error> {
-                self.get_artist_or_err(artist_id.as_ref())?.[<clear_ $field _urls>]();
+                self.get_artist_mut_or_err(artist_id.as_ref())?.[<clear_ $field _urls>]();
                 Ok(())
             }
         }
@@ -823,6 +833,24 @@ impl<LIB, DB> MusicHoard<LIB, DB> {
         }
     }
 
+    pub fn set_artist_sort<ID: AsRef<ArtistId>, SORT: Into<ArtistId>>(
+        &mut self,
+        artist_id: ID,
+        artist_sort: SORT,
+    ) -> Result<(), Error> {
+        self.get_artist_mut_or_err(artist_id.as_ref())?
+            .set_sort_key(artist_sort);
+        Self::sort(&mut self.collection);
+        Ok(())
+    }
+
+    pub fn clear_artist_sort<ID: AsRef<ArtistId>>(&mut self, artist_id: ID) -> Result<(), Error> {
+        self.get_artist_mut_or_err(artist_id.as_ref())?
+            .clear_sort_key();
+        Self::sort(&mut self.collection);
+        Ok(())
+    }
+
     music_hoard_unique_url_dispatch!(musicbrainz);
 
     music_hoard_multi_url_dispatch!(musicbutler);
@@ -845,7 +873,7 @@ impl<LIB, DB> MusicHoard<LIB, DB> {
         MergeSorted::new(primary.into_iter(), secondary.into_iter()).collect()
     }
 
-    fn items_to_artists(items: Vec<Item>) -> Vec<Artist> {
+    fn items_to_artists(items: Vec<Item>) -> Result<Vec<Artist>, Error> {
         let mut artists: Vec<Artist> = vec![];
         let mut album_ids = HashMap::<ArtistId, HashSet<AlbumId>>::new();
 
@@ -854,6 +882,8 @@ impl<LIB, DB> MusicHoard<LIB, DB> {
                 name: item.album_artist,
             };
 
+            let artist_sort = item.album_artist_sort.map(|s| ArtistId { name: s });
+
             let album_id = AlbumId {
                 year: item.album_year,
                 title: item.album_title,
@@ -886,6 +916,19 @@ impl<LIB, DB> MusicHoard<LIB, DB> {
                 artists.last_mut().unwrap()
             };
 
+            if artist.sort.is_some() {
+                if artist_sort.is_some() && (artist.sort != artist_sort) {
+                    return Err(Error::CollectionError(format!(
+                        "multiple album_artist_sort found for artist '{}': '{}' != '{}'",
+                        artist.id,
+                        artist.sort.as_ref().unwrap(),
+                        artist_sort.as_ref().unwrap()
+                    )));
+                }
+            } else if artist_sort.is_some() {
+                artist.sort = artist_sort;
+            }
+
             if album_ids[&artist_id].contains(&album_id) {
                 // Assume results are in some order which means they will likely be grouped by
                 // album. Therefore, we look from the back since the last inserted album is most
@@ -909,15 +952,19 @@ impl<LIB, DB> MusicHoard<LIB, DB> {
             }
         }
 
-        artists
+        Ok(artists)
     }
 
-    fn get_artist(&mut self, artist_id: &ArtistId) -> Option<&mut Artist> {
+    fn get_artist(&self, artist_id: &ArtistId) -> Option<&Artist> {
+        self.collection.iter().find(|a| &a.id == artist_id)
+    }
+
+    fn get_artist_mut(&mut self, artist_id: &ArtistId) -> Option<&mut Artist> {
         self.collection.iter_mut().find(|a| &a.id == artist_id)
     }
 
-    fn get_artist_or_err(&mut self, artist_id: &ArtistId) -> Result<&mut Artist, Error> {
-        self.get_artist(artist_id).ok_or_else(|| {
+    fn get_artist_mut_or_err(&mut self, artist_id: &ArtistId) -> Result<&mut Artist, Error> {
+        self.get_artist_mut(artist_id).ok_or_else(|| {
             Error::CollectionError(format!("artist '{}' is not in the collection", artist_id))
         })
     }
@@ -927,7 +974,7 @@ impl<LIB: ILibrary, DB> MusicHoard<LIB, DB> {
     /// Rescan the library and merge with the in-memory collection.
     pub fn rescan_library(&mut self) -> Result<(), Error> {
         let items = self.library.list(&Query::new())?;
-        let mut library_collection = Self::items_to_artists(items);
+        let mut library_collection = Self::items_to_artists(items)?;
         Self::sort(&mut library_collection);
 
         let collection = mem::take(&mut self.collection);
@@ -1036,6 +1083,7 @@ mod tests {
             for track in album.tracks.iter() {
                 items.push(Item {
                     album_artist: artist.id.name.clone(),
+                    album_artist_sort: artist.sort.as_ref().map(|s| s.name.clone()),
                     album_year: album.id.year,
                     album_title: album.id.title.clone(),
                     track_number: track.id.number,
@@ -1070,7 +1118,7 @@ mod tests {
         let uuid = "d368baa8-21ca-4759-9731-0b2753071ad8";
         let url = format!("https://musicbrainz.org/artist/{uuid}");
         let mb = MusicBrainz::new(&url).unwrap();
-        assert_eq!(url, mb.url());
+        assert_eq!(url, mb.as_ref());
         assert_eq!(uuid, mb.mbid());
 
         let url = "not a url at all".to_string();
@@ -1142,6 +1190,53 @@ mod tests {
         assert_eq!(music_hoard.collection, expected);
     }
 
+    #[test]
+    fn artist_sort_set_clear() {
+        let mut music_hoard = MusicHoardBuilder::default().build();
+
+        let artist_1_id = ArtistId::new("the artist");
+        let artist_1_sort = ArtistId::new("artist, the");
+
+        // Must be after "artist, the", but before "the artist"
+        let artist_2_id = ArtistId::new("b-artist");
+
+        assert!(artist_1_sort < artist_2_id);
+        assert!(artist_2_id < artist_1_id);
+
+        music_hoard.add_artist(artist_1_id.clone());
+        music_hoard.add_artist(artist_2_id.clone());
+
+        let artist_1: &Artist = music_hoard.get_artist(&artist_1_id).unwrap();
+        let artist_2: &Artist = music_hoard.get_artist(&artist_2_id).unwrap();
+
+        assert!(artist_2 < artist_1);
+
+        assert_eq!(artist_1, &music_hoard.collection[1]);
+        assert_eq!(artist_2, &music_hoard.collection[0]);
+
+        music_hoard
+            .set_artist_sort(artist_1_id.as_ref(), artist_1_sort.clone())
+            .unwrap();
+
+        let artist_1: &Artist = music_hoard.get_artist(&artist_1_id).unwrap();
+        let artist_2: &Artist = music_hoard.get_artist(&artist_2_id).unwrap();
+
+        assert!(artist_1 < artist_2);
+
+        assert_eq!(artist_1, &music_hoard.collection[0]);
+        assert_eq!(artist_2, &music_hoard.collection[1]);
+
+        music_hoard.clear_artist_sort(artist_1_id.as_ref()).unwrap();
+
+        let artist_1: &Artist = music_hoard.get_artist(&artist_1_id).unwrap();
+        let artist_2: &Artist = music_hoard.get_artist(&artist_2_id).unwrap();
+
+        assert!(artist_2 < artist_1);
+
+        assert_eq!(artist_1, &music_hoard.collection[1]);
+        assert_eq!(artist_2, &music_hoard.collection[0]);
+    }
+
     #[test]
     fn collection_error() {
         let artist_id = ArtistId::new("an artist");
@@ -1963,6 +2058,42 @@ mod tests {
         assert_eq!(music_hoard.get_collection(), &expected);
     }
 
+    #[test]
+    fn rescan_library_album_artist_sort_clash() {
+        let mut library = MockILibrary::new();
+        let database = MockIDatabase::new();
+
+        let expected = clean_collection(COLLECTION.to_owned());
+        let library_input = Query::new();
+        let mut library_items = artists_to_items(&expected);
+
+        assert_eq!(library_items[0].album_artist, library_items[1].album_artist);
+        library_items[0].album_artist_sort = Some(library_items[0].album_artist.clone());
+        library_items[1].album_artist_sort = Some(
+            library_items[1]
+                .album_artist
+                .clone()
+                .chars()
+                .rev()
+                .collect(),
+        );
+
+        let library_result = Ok(library_items);
+
+        library
+            .expect_list()
+            .with(predicate::eq(library_input))
+            .times(1)
+            .return_once(|_| library_result);
+
+        let mut music_hoard = MusicHoardBuilder::default()
+            .set_library(library)
+            .set_database(database)
+            .build();
+
+        assert!(music_hoard.rescan_library().is_err());
+    }
+
     #[test]
     fn load_database() {
         let library = MockILibrary::new();

src/library/beets/mod.rs

@@ -22,6 +22,8 @@ const LIST_FORMAT_ARG: &str = concat!(
     "--format=",
     "$albumartist",
     list_format_separator!(),
+    "$albumartist_sort",
+    list_format_separator!(),
     "$year",
     list_format_separator!(),
     "$album",
@@ -52,6 +54,7 @@ impl ToBeetsArg for Field {
         let negate = if include { "" } else { "^" };
         match self {
             Field::AlbumArtist(ref s) => format!("{negate}albumartist:{s}"),
+            Field::AlbumArtistSort(ref s) => format!("{negate}albumartist_sort:{s}"),
             Field::AlbumYear(ref u) => format!("{negate}year:{u}"),
             Field::AlbumTitle(ref s) => format!("{negate}album:{s}"),
             Field::TrackNumber(ref u) => format!("{negate}track:{u}"),
@@ -123,29 +126,35 @@ impl<BLE: IBeetsLibraryExecutor> ILibraryPrivate for BeetsLibrary<BLE> {
             }
 
             let split: Vec<&str> = line.split(LIST_FORMAT_SEPARATOR).collect();
-            if split.len() != 8 {
+            if split.len() != 9 {
                 return Err(Error::Invalid(line.to_string()));
             }
 
             let album_artist = split[0].to_string();
-            let album_year = split[1].parse::<u32>()?;
-            let album_title = split[2].to_string();
-            let track_number = split[3].parse::<u32>()?;
-            let track_title = split[4].to_string();
-            let track_artist = split[5]
+            let album_artist_sort = if !split[1].is_empty() {
+                Some(split[1].to_string())
+            } else {
+                None
+            };
+            let album_year = split[2].parse::<u32>()?;
+            let album_title = split[3].to_string();
+            let track_number = split[4].parse::<u32>()?;
+            let track_title = split[5].to_string();
+            let track_artist = split[6]
                 .to_string()
                 .split("; ")
                 .map(|s| s.to_owned())
                 .collect();
-            let track_format = match split[6].to_string().as_str() {
+            let track_format = match split[7].to_string().as_str() {
                 TRACK_FORMAT_FLAC => Format::Flac,
                 TRACK_FORMAT_MP3 => Format::Mp3,
                 _ => return Err(Error::Invalid(line.to_string())),
             };
-            let track_bitrate = split[7].trim_end_matches("kbps").parse::<u32>()?;
+            let track_bitrate = split[8].trim_end_matches("kbps").parse::<u32>()?;
 
             items.push(Item {
                 album_artist,
+                album_artist_sort,
                 album_year,
                 album_title,
                 track_number,
@@ -170,10 +179,15 @@ mod tests {
 
     fn item_to_beets_string(item: &Item) -> String {
         format!(
-            "{album_artist}{sep}{album_year}{sep}{album_title}{sep}\
+            "{album_artist}{sep}{album_artist_sort}{sep}\
+             {album_year}{sep}{album_title}{sep}\
              {track_number}{sep}{track_title}{sep}\
              {track_artist}{sep}{track_format}{sep}{track_bitrate}kbps",
             album_artist = item.album_artist,
+            album_artist_sort = match item.album_artist_sort {
+                Some(ref album_artist_sort) => album_artist_sort,
+                None => "",
+            },
             album_year = item.album_year,
             album_title = item.album_title,
             track_number = item.track_number,
@@ -221,6 +235,7 @@ mod tests {
 
         let mut query = Query::default()
             .exclude(Field::AlbumArtist(String::from("some.albumartist")))
+            .exclude(Field::AlbumArtistSort(String::from("some.albumartist")))
             .include(Field::AlbumYear(3030))
             .include(Field::TrackTitle(String::from("some.track")))
             .exclude(Field::TrackArtist(vec![
@@ -234,6 +249,7 @@ mod tests {
             query,
             vec![
                 String::from("^albumartist:some.albumartist"),
+                String::from("^albumartist_sort:some.albumartist"),
                 String::from("^artist:some.artist.1; some.artist.2"),
                 String::from("title:some.track"),
                 String::from("year:3030"),
@@ -349,8 +365,8 @@ mod tests {
             .split(LIST_FORMAT_SEPARATOR)
             .map(|s| s.to_owned())
             .collect::<Vec<String>>();
-        invalid_string[6].clear();
-        invalid_string[6].push_str("invalid format");
+        invalid_string[7].clear();
+        invalid_string[7].push_str("invalid format");
         let invalid_string = invalid_string.join(LIST_FORMAT_SEPARATOR);
         output[2] = invalid_string.clone();
         let result = Ok(output);

src/library/mod.rs

@@ -30,6 +30,7 @@ impl ILibrary for NullLibrary {
 #[derive(Debug, PartialEq, Eq, Hash)]
 pub struct Item {
     pub album_artist: String,
+    pub album_artist_sort: Option<String>,
     pub album_year: u32,
     pub album_title: String,
     pub track_number: u32,
@@ -43,6 +44,7 @@ pub struct Item {
 #[derive(Debug, Hash, PartialEq, Eq)]
 pub enum Field {
     AlbumArtist(String),
+    AlbumArtistSort(String),
     AlbumYear(u32),
     AlbumTitle(String),
     TrackNumber(u32),

src/testlib.rs

@@ -5,6 +5,7 @@ macro_rules! collection {
                 id: ArtistId {
                     name: "album_artist a".to_string(),
                 },
+                sort: None,
                 properties: ArtistProperties {
                     musicbrainz: Some(MusicBrainz::new(
                         "https://musicbrainz.org/artist/00000000-0000-0000-0000-000000000000",
@@ -100,6 +101,7 @@ macro_rules! collection {
                 id: ArtistId {
                     name: "album_artist b".to_string(),
                 },
+                sort: None,
                 properties: ArtistProperties {
                     musicbrainz: Some(MusicBrainz::new(
                         "https://musicbrainz.org/artist/11111111-1111-1111-1111-111111111111",
@@ -192,6 +194,7 @@ macro_rules! collection {
                 id: ArtistId {
                     name: "album_artist c".to_string(),
                 },
+                sort: None,
                 properties: ArtistProperties {
                     musicbrainz: Some(MusicBrainz::new(
                         "https://musicbrainz.org/artist/11111111-1111-1111-1111-111111111111",

src/tui/ui.rs

@@ -1,6 +1,6 @@
 use std::fmt;
 
-use musichoard::{Album, Artist, Collection, Format, IUrl, Track};
+use musichoard::{Album, Artist, Collection, Format, Track};
 use ratatui::{
     backend::Backend,
     layout::{Alignment, Rect},
@@ -409,20 +409,23 @@ struct ArtistOverlay<'a> {
 }
 
 impl<'a> ArtistOverlay<'a> {
-    fn opt_opt_to_str<U: IUrl>(opt: Option<Option<&U>>) -> &str {
-        opt.flatten().map(|item| item.url()).unwrap_or("")
+    fn opt_opt_to_str<S: AsRef<str>>(opt: Option<Option<&S>>) -> &str {
+        opt.flatten().map(|item| item.as_ref()).unwrap_or("")
     }
 
-    fn opt_vec_to_string<U: IUrl>(opt_vec: Option<&Vec<U>>, indent: &str) -> String {
+    fn opt_vec_to_string<S: AsRef<str>>(opt_vec: Option<&Vec<S>>, indent: &str) -> String {
         opt_vec
             .map(|vec| {
                 if vec.len() < 2 {
-                    vec.first().map(|item| item.url()).unwrap_or("").to_string()
+                    vec.first()
+                        .map(|item| item.as_ref())
+                        .unwrap_or("")
+                        .to_string()
                 } else {
                     let indent = format!("\n{indent}");
                     let list = vec
                         .iter()
-                        .map(|item| item.url())
+                        .map(|item| item.as_ref())
                         .collect::<Vec<&str>>()
                         .join(&indent);
                     format!("{indent}{list}")

tests/library/beets.rs

@@ -41,6 +41,7 @@ fn artist_to_items(artist: &Artist) -> Vec<Item> {
         for track in album.tracks.iter() {
             items.push(Item {
                 album_artist: artist.id.name.clone(),
+                album_artist_sort: artist.sort.as_ref().map(|s| s.name.clone()),
                 album_year: album.id.year,
                 album_title: album.id.title.clone(),
                 track_number: track.id.number,
@@ -107,7 +108,7 @@ fn test_album_artist_query() {
         .list(Query::new().include(Field::AlbumArtist(String::from("Аркона"))))
         .unwrap();
 
-    let expected: Vec<Item> = artists_to_items(&COLLECTION[4..5]);
+    let expected: Vec<Item> = artists_to_items(&COLLECTION[0..1]);
     assert_eq!(output, expected);
 }
 
@@ -120,7 +121,7 @@ fn test_album_title_query() {
         .list(Query::new().include(Field::AlbumTitle(String::from("Slovo"))))
         .unwrap();
 
-    let expected: Vec<Item> = artists_to_items(&COLLECTION[4..5]);
+    let expected: Vec<Item> = artists_to_items(&COLLECTION[0..1]);
     assert_eq!(output, expected);
 }
 
@@ -132,7 +133,7 @@ fn test_exclude_query() {
     let output = beets
         .list(Query::new().exclude(Field::AlbumArtist(String::from("Аркона"))))
         .unwrap();
-    let expected: Vec<Item> = artists_to_items(&COLLECTION[..4]);
+    let expected: Vec<Item> = artists_to_items(&COLLECTION[1..]);
 
     let output: HashSet<_> = output.iter().collect();
     let expected: HashSet<_> = expected.iter().collect();

tests/testlib.rs

@@ -6,10 +6,195 @@ use once_cell::sync::Lazy;
 
 pub static COLLECTION: Lazy<Vec<Artist>> = Lazy::new(|| -> Collection {
     vec![
+        Artist {
+            id: ArtistId {
+                name: String::from("Аркона"),
+            },
+            sort: Some(ArtistId{
+                name: String::from("Arkona")
+            }),
+            properties: ArtistProperties {
+                musicbrainz: Some(MusicBrainz::new(
+                    "https://musicbrainz.org/artist/baad262d-55ef-427a-83c7-f7530964f212",
+                ).unwrap()),
+                musicbutler: vec![
+                    MusicButler::new("https://www.musicbutler.io/artist-page/283448581").unwrap(),
+                ],
+                bandcamp: vec![
+                    Bandcamp::new("https://arkonamoscow.bandcamp.com/").unwrap(),
+                ],
+                qobuz: Some(Qobuz::new(
+                    "https://www.qobuz.com/nl-nl/interpreter/arkona/download-streaming-albums",
+                ).unwrap()),
+            },
+            albums: vec![Album {
+                id: AlbumId {
+                    year: 2011,
+                    title: String::from("Slovo"),
+                },
+                tracks: vec![
+                    Track {
+                        id: TrackId {
+                            number: 1,
+                            title: String::from("Az’"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 992,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 2,
+                            title: String::from("Arkaim"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1061,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 3,
+                            title: String::from("Bol’no mne"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1004,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 4,
+                            title: String::from("Leshiy"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1077,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 5,
+                            title: String::from("Zakliatie"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1041,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 6,
+                            title: String::from("Predok"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 756,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 7,
+                            title: String::from("Nikogda"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1059,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 8,
+                            title: String::from("Tam za tumanami"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1023,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 9,
+                            title: String::from("Potomok"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 838,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 10,
+                            title: String::from("Slovo"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1028,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 11,
+                            title: String::from("Odna"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 991,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 12,
+                            title: String::from("Vo moiom sadochke…"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 919,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 13,
+                            title: String::from("Stenka na stenku"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 1039,
+                        },
+                    },
+                    Track {
+                        id: TrackId {
+                            number: 14,
+                            title: String::from("Zimushka"),
+                        },
+                        artist: vec![String::from("Аркона")],
+                        quality: Quality {
+                            format: Format::Flac,
+                            bitrate: 974,
+                        },
+                    },
+                ],
+            }],
+        },
         Artist {
             id: ArtistId {
                 name: String::from("Eluveitie"),
             },
+            sort: None,
             properties: ArtistProperties {
                 musicbrainz: Some(MusicBrainz::new(
                     "https://musicbrainz.org/artist/8000598a-5edb-401c-8e6d-36b167feaf38",
@@ -243,6 +428,7 @@ pub static COLLECTION: Lazy<Vec<Artist>> = Lazy::new(|| -> Collection {
             id: ArtistId {
                 name: String::from("Frontside"),
             },
+            sort: None,
             properties: ArtistProperties {
                 musicbrainz: Some(MusicBrainz::new(
                     "https://musicbrainz.org/artist/3a901353-fccd-4afd-ad01-9c03f451b490",
@@ -389,6 +575,9 @@ pub static COLLECTION: Lazy<Vec<Artist>> = Lazy::new(|| -> Collection {
             id: ArtistId {
                 name: String::from("Heaven’s Basement"),
             },
+            sort: Some(ArtistId {
+                name: String::from("Heaven’s Basement"),
+            }),
             properties: ArtistProperties {
                 musicbrainz: Some(MusicBrainz::new(
                     "https://musicbrainz.org/artist/c2c4d56a-d599-4a18-bd2f-ae644e2198cc",
@@ -509,6 +698,7 @@ pub static COLLECTION: Lazy<Vec<Artist>> = Lazy::new(|| -> Collection {
             id: ArtistId {
                 name: String::from("Metallica"),
             },
+            sort: None,
             properties: ArtistProperties {
                 musicbrainz: Some(MusicBrainz::new(
                     "https://musicbrainz.org/artist/65f4f0c5-ef9e-490c-aee3-909e7ae6b2ab",
@@ -859,186 +1049,5 @@ pub static COLLECTION: Lazy<Vec<Artist>> = Lazy::new(|| -> Collection {
                 },
             ],
         },
-        Artist {
-            id: ArtistId {
-                name: String::from("Аркона"),
-            },
-            properties: ArtistProperties {
-                musicbrainz: Some(MusicBrainz::new(
-                    "https://musicbrainz.org/artist/baad262d-55ef-427a-83c7-f7530964f212",
-                ).unwrap()),
-                musicbutler: vec![
-                    MusicButler::new("https://www.musicbutler.io/artist-page/283448581").unwrap(),
-                ],
-                bandcamp: vec![
-                    Bandcamp::new("https://arkonamoscow.bandcamp.com/").unwrap(),
-                ],
-                qobuz: Some(Qobuz::new(
-                    "https://www.qobuz.com/nl-nl/interpreter/arkona/download-streaming-albums",
-                ).unwrap()),
-            },
-            albums: vec![Album {
-                id: AlbumId {
-                    year: 2011,
-                    title: String::from("Slovo"),
-                },
-                tracks: vec![
-                    Track {
-                        id: TrackId {
-                            number: 1,
-                            title: String::from("Az’"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 992,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 2,
-                            title: String::from("Arkaim"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1061,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 3,
-                            title: String::from("Bol’no mne"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1004,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 4,
-                            title: String::from("Leshiy"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1077,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 5,
-                            title: String::from("Zakliatie"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1041,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 6,
-                            title: String::from("Predok"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 756,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 7,
-                            title: String::from("Nikogda"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1059,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 8,
-                            title: String::from("Tam za tumanami"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1023,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 9,
-                            title: String::from("Potomok"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 838,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 10,
-                            title: String::from("Slovo"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1028,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 11,
-                            title: String::from("Odna"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 991,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 12,
-                            title: String::from("Vo moiom sadochke…"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 919,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 13,
-                            title: String::from("Stenka na stenku"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 1039,
-                        },
-                    },
-                    Track {
-                        id: TrackId {
-                            number: 14,
-                            title: String::from("Zimushka"),
-                        },
-                        artist: vec![String::from("Аркона")],
-                        quality: Quality {
-                            format: Format::Flac,
-                            bitrate: 974,
-                        },
-                    },
-                ],
-            }],
-        },
     ]
 });