aquinas 0.0.15

A simple command line media player. (Like cmus, but simpler.)
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use crate::prelude::*;
use audiotags::Tag;
use lewton::inside_ogg::OggStreamReader;
#[cfg(feature = "rodio_backend")]
use ogg_metadata::{read_format, AudioMetadata, OggFormat::Vorbis};
use std::fs;

#[derive(PartialEq, Default, Clone, Debug, PartialOrd, Eq, Ord)]
pub struct Metadata {
  pub title: Option<String>,
  pub artist: Option<String>,
  pub album: Option<String>,
  pub track_number: Option<u16>,
}

pub fn get_metadata(path: &Path) -> Option<Metadata> {
  if let Some(ext) = extension(path) {
    return match ext {
      "ogg" => vorbis(path),
      _ => other(path),
    }
    .ok();
  }
  None
}

fn other(path: &Path) -> Result<Metadata> {
  let md = Tag::new().read_from_path(path).map(|t| Metadata {
    title: t.title().map(|t| t.to_owned()),
    artist: t.artist().map(|t| t.to_owned()),
    album: None, // handle later
    track_number: t.track().0,
  })?;
  Ok(md)
}

fn vorbis(path: &Path) -> Result<Metadata> {
  let file = fs::File::open(path)?;
  let source = OggStreamReader::new(&file)?;

  let mut metadata = Metadata::default();

  for (k, v) in source.comment_hdr.comment_list {
    match k.to_lowercase().as_str() {
      "title" => metadata.title = Some(v),
      "artist" => metadata.artist = Some(v),
      "album" => metadata.album = Some(v),
      "tracknumber" => metadata.track_number = v.parse().ok(),
      _ => {}
    }
  }

  Ok(metadata)
}