synthwave/src/library/mod.rs
2024-08-17 00:24:45 +02:00

325 lines
9.5 KiB
Rust

use std::path::{Path, PathBuf};
use album::Album;
use artist::Artist;
use mongod::{reference_of, Model, Referencable, Reference};
use mongodb::bson::doc;
use serde_json::json;
use track::Track;
use walkdir::WalkDir;
use crate::cache::RouteCache;
pub mod album;
pub mod artist;
pub mod metadata;
pub mod playlist;
pub mod track;
pub mod user;
/// Checks if a file has a music file extension
fn is_music_file(path: &Path) -> bool {
if let Some(extension) = path.extension() {
match extension.to_str().unwrap_or("").to_lowercase().as_str() {
"mp3" | "flac" | "wav" | "aac" | "ogg" | "m4a" | "opus" => return true,
_ => return false,
}
}
false
}
pub struct Libary {
root_dir: PathBuf,
}
impl Libary {
pub const fn new(root_dir: PathBuf) -> Self {
Self { root_dir }
}
pub async fn find_or_create_artist(&self, artist: &str) -> Reference {
if let Some(artist) = Artist::find_one(doc! { "name": artist }).await {
artist.reference()
} else {
Artist::create(artist).await.reference()
}
}
pub async fn find_or_create_album(&self, album: &str, artist_id: Option<&str>) -> Reference {
if let Some(album) = Album::find_one(doc! { "title": album, "artist_id": artist_id}).await {
album.reference()
} else {
Album::create(album, artist_id).await.reference()
}
}
pub async fn add_path_to_library(&self, path: &str) {
// search for path already present
if Track::find_one_partial(doc! { "path": path }, json!({}))
.await
.is_some()
{
return;
}
log::info!("Adding {path} to library");
// add track to library
let metadata = metadata::get_metadata(path);
let mut entry = json!({
"_id": uuid::Uuid::new_v4().to_string(),
"path": path,
});
if let Some(meta) = &metadata {
if let Some(artist) = meta.artist() {
let artist_id = self.find_or_create_artist(artist).await;
entry
.as_object_mut()
.unwrap()
.insert("artist_id".into(), artist_id.into());
} else {
log::warn!("{path} has no artist");
}
if let Some(album) = meta.album() {
let album_id = self
.find_or_create_album(
album,
entry
.as_object()
.unwrap()
.get("artist_id")
.map(|x| x.as_str().unwrap()),
)
.await;
entry
.as_object_mut()
.unwrap()
.insert("album_id".into(), album_id.into());
} else {
log::warn!("{path} has no album and will be treated as single");
}
if let Some(title) = meta.title() {
entry
.as_object_mut()
.unwrap()
.insert("title".into(), title.into());
}
}
if let Some(metadata) = metadata {
entry
.as_object_mut()
.unwrap()
.insert("meta".into(), metadata.0);
}
// if no title in metadata use file name
if entry.as_object().unwrap().get("title").is_none() {
entry.as_object_mut().unwrap().insert(
"title".into(),
std::path::Path::new(path)
.file_stem()
.unwrap()
.to_str()
.unwrap()
.into(),
);
}
Track::create(entry.as_object().unwrap()).await;
}
pub async fn get_artists(&self) -> Vec<Artist> {
Artist::find_all().await.unwrap()
}
pub async fn get_albums_by_artist(&self, artist: &str) -> Vec<Album> {
Album::find(
doc! { "artist_id": reference_of!(Artist, artist).unwrap()},
None,
None,
)
.await
.unwrap()
}
pub async fn get_singles_by_artist(&self, artist: &str) -> Vec<Track> {
Track::find(
doc! {
"album_id": None::<String>,
"artist_id": reference_of!(Artist, artist).unwrap()
},
None,
None,
)
.await
.unwrap()
}
pub async fn get_album_by_id(&self, album: &str) -> Option<Album> {
Album::get(album).await
}
pub async fn get_track_by_id(&self, track_id: &str) -> Option<Track> {
Track::get(track_id).await
}
pub async fn reload_metadata(&self, track_id: &str) -> Result<(), ()> {
let mut track = Track::get(track_id).await.ok_or_else(|| ())?;
let path = &track.path;
log::info!("Rescanning metadata for {path}");
let metadata = metadata::get_metadata(path);
let mut update = json!({});
if let Some(meta) = &metadata {
if let Some(artist) = meta.artist() {
let artist_id = self.find_or_create_artist(artist).await;
update
.as_object_mut()
.unwrap()
.insert("artist_id".into(), artist_id.into());
} else {
log::warn!("{path} has no artist");
}
if let Some(album) = meta.album() {
let album_id = self
.find_or_create_album(
album,
update
.as_object()
.unwrap()
.get("artist_id")
.map(|x| x.as_str().unwrap()),
)
.await;
update
.as_object_mut()
.unwrap()
.insert("album_id".into(), album_id.into());
} else {
log::warn!("{path} has no album and will be treated as single");
}
if let Some(title) = meta.title() {
update
.as_object_mut()
.unwrap()
.insert("title".into(), title.into());
}
}
if let Some(metadata) = metadata {
update
.as_object_mut()
.unwrap()
.insert("meta".into(), metadata.0);
}
// if no title in metadata use file name
if update.as_object().unwrap().get("title").is_none() {
update.as_object_mut().unwrap().insert(
"title".into(),
std::path::Path::new(&path)
.file_stem()
.unwrap()
.to_str()
.unwrap()
.into(),
);
}
track.update(&update).await.unwrap();
Ok(())
}
pub async fn clean_lost_files(&self) {
// tracks
for track in Track::find_partial(doc! {}, json!({"path": 1}), None, None)
.await
.unwrap()
{
if !std::path::Path::new(&track.path.as_ref().unwrap()).exists() {
log::info!("Cleaning lost {}", track.path.as_ref().unwrap());
Track::remove(&track._id).await.unwrap();
}
}
// albums
for album in Album::find_partial(doc! {}, json!({"title": 1}), None, None)
.await
.unwrap()
{
if Track::find_partial(
doc! { "album_id": album.reference() },
json!({}),
None,
None,
)
.await
.unwrap()
.is_empty()
{
log::info!(
"Cleaning album {} with no tracks",
album.title.as_ref().unwrap()
);
Album::remove(album.id()).await.unwrap();
}
}
// artists
for artist in Artist::find_partial(doc! {}, json!({"name": 1}), None, None)
.await
.unwrap()
{
if Track::find_partial(
doc! { "artist_id": artist.reference()},
json!({}),
None,
None,
)
.await
.unwrap()
.is_empty()
&& Album::find_partial(
doc! { "artist_id": artist.reference()},
json!({}),
None,
None,
)
.await
.unwrap()
.is_empty()
{
log::info!(
"Cleaning artist {} with no tracks or albums",
artist.name.as_ref().unwrap()
);
Artist::remove(artist.id()).await.unwrap();
}
}
}
pub async fn rescan(&self, cache: &RouteCache) {
cache.invalidate("albums", "latest").await;
log::info!("Rescanning library");
for entry in WalkDir::new(self.root_dir.clone())
.follow_links(true)
.into_iter()
.filter_map(std::result::Result::ok)
{
let path = entry.path();
if path.is_file() && is_music_file(path) {
let path = path.to_string_lossy().to_string();
self.add_path_to_library(&path).await;
}
}
}
}