Files
Lazuli/src/lib/server/musicBrainz.ts

78 lines
3.3 KiB
TypeScript

import { PUBLIC_VERSION } from '$env/static/public'
import { MusicBrainzApi } from 'musicbrainz-api'
const mbApi = new MusicBrainzApi({
appName: 'Lazuli',
appVersion: PUBLIC_VERSION,
appContactInfo: 'Ec1ypsed@proton.me',
})
async function potentialAliasesFromNames(artistNames: string[]) {
const luceneQuery = artistNames.join(' OR ')
const artistsResponse = await mbApi.search('artist', { query: luceneQuery })
const SCORE_THRESHOLD = 90
const possibleArtists = artistsResponse.artists.filter((artist) => artist.score >= SCORE_THRESHOLD)
const aliases = possibleArtists.flatMap((artist) => [artist.name].concat(artist.aliases?.filter((alias) => alias.primary !== null).map((alias) => alias.name) ?? []))
return [...new Set(aliases)] // Removes any duplicates
}
export class MusicBrainz {
static async searchRecording(songName: string, artistNames?: string[]) {
const standardSearchResults = await mbApi.search('recording', { query: songName, limit: 5 })
const SCORE_THRESHOLD = 90
const bestResults = standardSearchResults.recordings.filter((recording) => recording.score >= SCORE_THRESHOLD)
const artistAliases = artistNames ? await potentialAliasesFromNames(artistNames) : null
const luceneQuery = artistAliases ? `"${songName}"`.concat(` AND (${artistAliases.map((alias) => `artist:"${alias}"`).join(' OR ')})`) : `"${songName}"`
console.log(luceneQuery)
const searchResults = await mbApi.search('recording', { query: luceneQuery, limit: 1 })
if (searchResults.recordings.length === 0) {
console.log('Nothing returned for ' + songName)
return null
}
const topResult = searchResults.recordings[0]
// const bestMatch = searchResults.recordings.reduce((prev, current) => (prev.score > current.score ? prev : current))
console.log(JSON.stringify(topResult))
}
static async searchRelease(albumName: string, artistNames?: string[]): Promise<MusicBrainz.ReleaseSearchResult | null> {
const searchResulst = await mbApi.search('release', { query: albumName, limit: 10 })
if (searchResulst.releases.length === 0) {
console.log(JSON.stringify('Nothing returned for ' + albumName))
return null
}
const bestMatch = searchResulst.releases.reduce((prev, current) => {
if (prev.score === current.score) return new Date(prev.date).getTime() > new Date(current.date).getTime() ? prev : current
return prev.score > current.score ? prev : current
})
const { id, title, date } = bestMatch
const trackCount = bestMatch.media.reduce((acummulator, current) => acummulator + current['track-count'], 0)
const artists = bestMatch['artist-credit']?.map((artist) => ({ id: artist.artist.id, name: artist.artist.name }))
return { id, name: title, releaseDate: date, artists, trackCount } satisfies MusicBrainz.ReleaseSearchResult
}
static async searchArtist(artistName: string) {
const searchResults = await mbApi.search('artist', { query: artistName })
}
}
declare namespace MusicBrainz {
type ReleaseSearchResult = {
id: string
name: string
releaseDate: string
artists?: {
id: string
name: string
}[]
trackCount: number
}
}