Files
icarus_meta/src/lib.rs
2025-04-12 15:14:59 -04:00

126 lines
4.1 KiB
Rust

pub mod meta_type {
pub enum Type {
Title,
Artist,
Album,
Genre,
Year,
Track,
}
}
pub mod meta_next {
use lofty::file::AudioFile;
use super::*;
fn get_type(t: meta_type::Type) -> Result<String, std::io::Error> {
match t {
meta_type::Type::Title => Ok("TITLE".to_owned()),
meta_type::Type::Artist => Ok("ARTIST".to_owned()),
meta_type::Type::Album => Ok("ALBUM".to_owned()),
meta_type::Type::Genre => Ok("GENRE".to_owned()),
meta_type::Type::Year => Ok("YEAR".to_owned()),
meta_type::Type::Track => Ok("TRACK".to_owned()),
}
}
pub fn get_meta(t: meta_type::Type, filepath: &String) -> Result<String, std::io::Error> {
match std::fs::File::open(filepath) {
Ok(mut content) => {
match lofty::flac::FlacFile::read_from(
&mut content,
lofty::config::ParseOptions::new(),
) {
Ok(flac_file) => match flac_file.vorbis_comments() {
Some(vb) => {
let type_str: String = get_type(t).unwrap();
match vb.get(&type_str) {
Some(val) => Ok(val.to_owned()),
None => Err(std::io::Error::new(
std::io::ErrorKind::InvalidData,
"Could not get tag data",
)),
}
}
None => Err(std::io::Error::new(
std::io::ErrorKind::InvalidData,
"No tags found",
)),
},
Err(err) => Err(std::io::Error::new(
std::io::ErrorKind::InvalidData,
err.to_string(),
)),
}
}
Err(err) => Err(err),
}
}
}
#[cfg(test)]
mod tests {
use util::{file_exists, get_full_path};
use super::*;
mod util {
pub fn get_full_path(
directory: &String,
filename: &String,
) -> Result<String, std::io::Error> {
match path_buf(directory, filename) {
Ok(pf) => Ok(pf.display().to_string()),
Err(err) => Err(err),
}
}
pub fn file_exists(directory: &String, filename: &String) -> Result<bool, std::io::Error> {
match path_buf(directory, filename) {
Ok(pf) => Ok(pf.exists()),
Err(err) => Err(err),
}
}
fn path_buf(
directory: &String,
filename: &String,
) -> Result<std::path::PathBuf, std::io::Error> {
let dir_path = std::path::Path::new(&directory);
Ok(dir_path.join(filename))
}
}
#[test]
fn test_get_title() {
let filename = String::from("track01.flac");
let dir = String::from("tests/sample_tracks3");
// let dir_path = std::path::Path::new(&dir);
// let full_path = dir_path.join(filename);
// println!("Path: {:?}", full_path);
// assert!(full_path.exists(), "Path does not exists {:?}", full_path);
match file_exists(&dir, &filename) {
Ok(_) => {
// let filepath = full_path.display().to_string();
let filepath = get_full_path(&dir, &filename).unwrap();
match meta_next::get_meta(meta_type::Type::Title, &filepath) {
Ok(title) => {
let found = title == "Just roll it";
assert!(found, "Meta information was not found {:?}", title);
}
Err(err) => {
assert!(false, "Error: {:?}", err);
}
}
}
Err(err) => {
assert!(false, "Error: File does not exist {:?}", err.to_string());
}
};
}
}