fix(common): fix parsing of TrackIdentifier (#48)

also add a test

anni-common/src/models.rs

@@ -1,7 +1,7 @@
 use std::borrow::{Borrow, Cow};
 use std::fmt::Display;
 use std::num::NonZeroU8;
-use std::str::{FromStr, Split};
+use std::str::FromStr;
 
 use thiserror::Error;
 
@@ -67,7 +67,7 @@ impl FromStr for TrackIdentifier {
     type Err = ParseError;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let mut split = s.splitn(2, '/');
+        let mut split = s.splitn(3, '/');
 
         let album_id = split.next().ok_or(ParseError::InvalidFormat)?;
         let disc_id = split

anni-common/tests/identifier.rs

@@ -0,0 +1,17 @@
+use std::num::NonZeroU8;
+
+use anni_common::models::{ParseError, TrackIdentifier};
+
+#[test]
+fn parse() -> Result<(), ParseError> {
+    let identifier = "65cf12dc-9717-4503-9901-848e8cd3ebff/1/8".parse::<TrackIdentifier>()?;
+
+    assert_eq!(
+        identifier.inner.album_id,
+        "65cf12dc-9717-4503-9901-848e8cd3ebff"
+    );
+    assert_eq!(identifier.inner.disc_id, NonZeroU8::new(1).unwrap());
+    assert_eq!(identifier.inner.track_id, NonZeroU8::new(8).unwrap());
+
+    Ok(())
+}