pi-rfid-jukebox/jukebox/library/sqlite-backend.js

30 lines
801 B
JavaScript

"use strict";
const Track = require('./track');
class SqliteBackend {
constructor(config, db, logger) {
this.config = config;
this.db = db;
this.logger = logger;
}
find(tag, callback) {
this.db.run("INSERT INTO tags (tag) VALUES (?)", tag);
this.db.get("SELECT uuid, tag, label FROM library WHERE tag = ? ORDER BY RANDOM() LIMIT 1", tag, (err, row) => {
if (typeof row === 'undefined') {
this.logger.debug("no matching tag in sqlite backend", { tag: tag });
return callback();
}
this.logger.debug("found a matching tag", { tag: tag });
callback(new Track(row['tag'], row['uuid'], row['label']));
});
}
}
module.exports = function(config, db, logger) {
return new SqliteBackend(config, db, logger);
};
// vim:ts=2 sw=2 et: