Walk through filesystem and print metadata

src/metadata.rs

@@ -0,0 +1,25 @@
+use std::path::Path;
+
+use lofty::file::TaggedFileExt;
+use lofty::tag::Accessor;
+
+pub struct TrackMetadata {
+    pub title: Option<String>,
+    pub artist: Option<String>,
+    pub album: Option<String>,
+}
+
+/// Read metadata from a music file, returning `None` if no tags are present.
+pub fn read_track_metadata(path: &Path) -> Result<Option<TrackMetadata>, lofty::error::LoftyError> {
+    let tagged_file = lofty::read_from_path(path)?;
+
+    let Some(tag) = tagged_file.primary_tag().or_else(|| tagged_file.first_tag()) else {
+        return Ok(None);
+    };
+
+    Ok(Some(TrackMetadata {
+        title: tag.title().map(|s| s.into_owned()),
+        artist: tag.artist().map(|s| s.into_owned()),
+        album: tag.album().map(|s| s.into_owned()),
+    }))
+}