Upgrade the lookup example (#227)

Reviewed-on: #227

Cargo.toml

@@ -48,8 +48,8 @@ name = "musichoard-edit"
 required-features = ["bin", "database-json"]
 
 [[example]]
-name = "musicbrainz-api---lookup-artist"
-path = "examples/musicbrainz_api/lookup_artist.rs"
+name = "musicbrainz-api---lookup"
+path = "examples/musicbrainz_api/lookup.rs"
 required-features = ["bin", "musicbrainz"]
 
 [[example]]

examples/musicbrainz_api/lookup.rs

@@ -0,0 +1,83 @@
+#![allow(non_snake_case)]
+
+use musichoard::{
+    collection::musicbrainz::Mbid,
+    external::musicbrainz::{
+        api::{
+            lookup::{LookupArtistRequest, LookupReleaseGroupRequest},
+            MusicBrainzClient,
+        },
+        http::MusicBrainzHttp,
+    },
+};
+use structopt::StructOpt;
+use uuid::Uuid;
+
+const USER_AGENT: &str = concat!(
+    "MusicHoard---examples---musicbrainz-api---lookup/",
+    env!("CARGO_PKG_VERSION"),
+    " ( musichoard@thenineworlds.net )"
+);
+
+#[derive(StructOpt)]
+struct Opt {
+    #[structopt(subcommand)]
+    entity: OptEntity,
+}
+
+#[derive(StructOpt)]
+enum OptEntity {
+    #[structopt(about = "Lookup artist")]
+    Artist(OptArtist),
+    #[structopt(about = "Lookup release group")]
+    ReleaseGroup(OptReleaseGroup),
+}
+
+#[derive(StructOpt)]
+struct OptArtist {
+    #[structopt(help = "Artist MBID to lookup")]
+    mbid: Uuid,
+    #[structopt(long, help = "Include release groups in lookup")]
+    release_groups: bool,
+}
+
+#[derive(StructOpt)]
+struct OptReleaseGroup {
+    #[structopt(help = "Release group MBID to lookup")]
+    mbid: Uuid,
+}
+
+fn main() {
+    let opt = Opt::from_args();
+
+    println!("USER_AGENT: {USER_AGENT}");
+
+    let http = MusicBrainzHttp::new(USER_AGENT).expect("failed to create API client");
+    let mut client = MusicBrainzClient::new(http);
+
+    match opt.entity {
+        OptEntity::Artist(opt_artist) => {
+            let mbid: Mbid = opt_artist.mbid.into();
+            let mut request = LookupArtistRequest::new(&mbid);
+            if opt_artist.release_groups {
+                request.include_release_groups();
+            }
+
+            let response = client
+                .lookup_artist(request)
+                .expect("failed to make API call");
+
+            println!("{response:#?}");
+        }
+        OptEntity::ReleaseGroup(opt_release_group) => {
+            let mbid: Mbid = opt_release_group.mbid.into();
+            let request = LookupReleaseGroupRequest::new(&mbid);
+
+            let response = client
+                .lookup_release_group(request)
+                .expect("failed to make API call");
+
+            println!("{response:#?}");
+        }
+    }
+}

examples/musicbrainz_api/lookup_artist.rs

@@ -1,42 +0,0 @@
-#![allow(non_snake_case)]
-
-use musichoard::{
-    collection::musicbrainz::Mbid,
-    external::musicbrainz::{
-        api::{lookup::LookupArtistRequest, MusicBrainzClient},
-        http::MusicBrainzHttp,
-    },
-};
-use structopt::StructOpt;
-use uuid::Uuid;
-
-const USER_AGENT: &str = concat!(
-    "MusicHoard---examples---musicbrainz-api---lookup-artist/",
-    env!("CARGO_PKG_VERSION"),
-    " ( musichoard@thenineworlds.net )"
-);
-
-#[derive(StructOpt)]
-struct Opt {
-    #[structopt(help = "Artist MBID to lookup")]
-    mbid: Uuid,
-}
-
-fn main() {
-    let opt = Opt::from_args();
-
-    println!("USER_AGENT: {USER_AGENT}");
-
-    let http = MusicBrainzHttp::new(USER_AGENT).expect("failed to create API client");
-    let mut client = MusicBrainzClient::new(http);
-
-    let mbid: Mbid = opt.mbid.into();
-    let mut request = LookupArtistRequest::new(&mbid);
-    request.include_release_groups();
-
-    let response = client
-        .lookup_artist(request)
-        .expect("failed to make API call");
-
-    println!("{response:#?}");
-}