examples/musicbrainz_api/search_release_group.rs

@@ -21,6 +21,20 @@ struct Opt {
     #[structopt(help = "Release group's artist MBID")]
     arid: Uuid,
 
+    #[structopt(subcommand)]
+    command: OptCommand,
+}
+
+#[derive(StructOpt)]
+enum OptCommand {
+    #[structopt(about = "Search by title (and date)")]
+    Title(OptTitle),
+    #[structopt(about = "Search by release group MBID")]
+    Rgid(OptRgid),
+}
+
+#[derive(StructOpt)]
+struct OptTitle {
     #[structopt(help = "Release group title")]
     title: String,
 
@@ -28,6 +42,12 @@ struct Opt {
     date: Option<Date>,
 }
 
+#[derive(StructOpt)]
+struct OptRgid {
+    #[structopt(help = "Release group MBID")]
+    rgid: Uuid,
+}
+
 struct Date(AlbumDate);
 
 impl FromStr for Date {
@@ -64,8 +84,24 @@ fn main() {
     let mut api = MusicBrainzApi::new(client);
 
     let arid: Mbid = opt.arid.into();
-    let date: AlbumDate = opt.date.map(Into::into).unwrap_or_default();
+
-    let album = Album::new(AlbumId::new(opt.title), date, None, vec![]);
+    let album = match opt.command {
+        OptCommand::Title(opt_title) => {
+            let date: AlbumDate = opt_title.date.map(Into::into).unwrap_or_default();
+            Album::new(AlbumId::new(opt_title.title), date, None, vec![])
+        }
+        OptCommand::Rgid(opt_rgid) => {
+            let mut album = Album::new(
+                AlbumId::new(String::default()),
+                AlbumDate::default(),
+                None,
+                vec![],
+            );
+            album.set_musicbrainz_ref(opt_rgid.rgid.into());
+            album
+        }
+    };
+
     let matches = api
         .search_release_group(&arid, album)
         .expect("failed to make API call");

src/external/musicbrainz/api/mod.rs

@@ -11,7 +11,7 @@ use mockall::automock;
 use crate::core::{
     collection::{
         album::{Album, AlbumDate, AlbumPrimaryType, AlbumSecondaryType},
-        musicbrainz::MbAlbumRef,
+        musicbrainz::{IMusicBrainzRef, MbAlbumRef},
     },
     interface::musicbrainz::{Error, IMusicBrainz, Match, Mbid},
 };
@@ -74,11 +74,20 @@ impl<Mbc: IMusicBrainzApiClient> IMusicBrainz for MusicBrainzApi<Mbc> {
     ) -> Result<Vec<Match<Album>>, Error> {
         let title = &album.id.title;
         let arid = arid.uuid().as_hyphenated().to_string();
-        let mut query = format!("releasegroup:\"{title}\" AND arid:{arid}");
+        let mut query = format!("arid:{arid}");
 
+        match album.musicbrainz {
+            Some(mbref) => {
+                let rgid = mbref.mbid().uuid().as_hyphenated().to_string();
+                query.push_str(&format!(" AND rgid:{rgid}"));
+            }
+            None => {
+                query.push_str(&format!(" AND releasegroup:\"{title}\""));
                 if let Some(year) = album.date.year {
                     query.push_str(&format!(" AND firstreleasedate:{year}"));
                 }
+            }
+        }
 
         let query: String = form_urlencoded::byte_serialize(query.as_bytes()).collect();
 
@@ -292,7 +301,7 @@ mod tests {
         let url = format!(
             "https://musicbrainz.org/ws/2\
              /release-group\
-             ?query=releasegroup%3A%22{title}%22+AND+arid%3A{arid}+AND+firstreleasedate%3A{year}",
+             ?query=arid%3A{arid}+AND+releasegroup%3A%22{title}%22+AND+firstreleasedate%3A{year}",
             title = "an+album",
             arid = "00000000-0000-0000-0000-000000000000",
             year = "1986"