64 lines
2.3 KiB
Rust
64 lines
2.3 KiB
Rust
use std::collections::HashSet;
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use sqlite::OpenFlags;
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use crate::artifacts::{Album, Artifact, Artist, SourceID, Track};
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#[derive(Debug)]
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#[allow(unused)]
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pub enum MixxxError {
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Sql(sqlite::Error)
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}
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impl From<sqlite::Error> for MixxxError {
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fn from(value: sqlite::Error) -> Self {
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Self::Sql(value)
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}
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}
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pub struct MixxxDB(());
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impl MixxxDB {
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pub fn load(playlist_name: &str) -> Result<Vec<Artifact>, MixxxError> {
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let mut ret = vec![];
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log::info!("Loading Mixxx playlist {}", playlist_name);
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let connection = sqlite::Connection::open_thread_safe_with_flags("mixxxdb.sqlite", OpenFlags::new().with_read_only())?;
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let query = "SELECT id FROM Playlists WHERE name = ? ORDER BY id DESC LIMIT 1";
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let mut statement = connection.prepare(query)?;
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statement.bind((1, playlist_name))?;
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statement.next()?;
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let latest_id = statement.read::<i64, _>("id")?;
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let query = "SELECT title, artist, album, comment, url, bpm FROM library LEFT JOIN PlaylistTracks ON PlaylistTracks.track_id = library.id WHERE PlaylistTracks.playlist_id = ? ORDER BY position";
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for track in connection.prepare(query)?.into_iter().bind((1, latest_id))? {
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let track = track?;
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let title = track.try_read::<&str, _>("title").unwrap_or("Untitled Track");
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let artist = track.try_read::<&str, _>("artist").unwrap_or("Unknown Artist");
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let album = track.try_read::<&str, _>("album").unwrap_or("Unknown Album");
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let bpm = track.try_read::<f64, _>("bpm").unwrap_or(0.);
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ret.push(Artifact::Track(Track {
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artist: Some(artist.into()),
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album: Some(album.into()),
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title: title.into(),
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bpm: Some(bpm),
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sources: HashSet::from([SourceID::Mixxx]),
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..Default::default()
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}));
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ret.push(Artifact::Album(Album {
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artist: artist.into(),
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title: album.into(),
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sources: HashSet::from([SourceID::Mixxx]),
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..Default::default()
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}));
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ret.push(Artifact::Artist(Artist {
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name: artist.into(),
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sources: HashSet::from([SourceID::Mixxx]),
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..Default::default()
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}));
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}
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Ok(ret)
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}
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} |