119 lines
3.6 KiB
JavaScript
119 lines
3.6 KiB
JavaScript
class SongLibrary {
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constructor(library) {
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this._albums = {}
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this._buildAlbums(library)
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}
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_buildAlbums(library) {
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library.forEach(song => {
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if (!song.albumartist || !song.album) {
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return
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}
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if (!this._albums[song.albumartist]) {
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this._albums[song.albumartist] = {}
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}
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if (!this._albums[song.albumartist][song.album]) {
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this._albums[song.albumartist][song.album] = []
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}
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this._albums[song.albumartist][song.album].push(song)
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}, this)
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}
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getSongsByAartistAndAlbum(album, albumartist) {
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return this._albums[albumartist][album]
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}
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getSongsOfAartist(aartist) {
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let songs = []
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for (const album in this._albums[aartist]) {
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this._albums[aartist][album].forEach(function (song) {
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songs.push(song)
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})
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}
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return this._songSorter(songs)
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}
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/**
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* Returns one(!) song for every album of the aartist
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*
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* @param {string} albumartist
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* @returns {array} of songs
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*/
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getASongsByAartistPerAlbum(albumartist) {
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let songs = []
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for (const album in this._albums[albumartist]) {
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songs.push(this._albums[albumartist][album][0])
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}
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return this._songSorter(songs)
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}
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_songSorter(songs) {
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return songs.sort((a, b) => {
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if (a.date !== "" && b.date !== "") {
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let aDate = parseInt(a.date)
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let bDate = parseInt(b.date)
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if (aDate > bDate) return 1
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if (aDate < bDate) return -1
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}
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let aAlbum = a.album.toLowerCase()
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let bAlbum = b.album.toLowerCase()
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if (aAlbum > bAlbum) return 1
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if (aAlbum < bAlbum) return -1
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if (a.tracknumber !== "" && b.tracknumber !== "") {
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let aTrack = a.tracknumber !== "" ? parseInt(a.tracknumber) : 0
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let bTrack = b.tracknumber !== "" ? parseInt(b.tracknumber) : 0
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if (aTrack > bTrack) return 1
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if (aTrack < bTrack) return -1
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}
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return 0
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})
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}
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/**
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* Searches albumartist, album and title for a search term
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*
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* @param {string} searchText text to search for
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* @returns {array} List of albumartists
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*/
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searchAlbumartists(searchText = "") {
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let found = []
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if (searchText === "") {
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found = Object.keys(this._albums)
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} else {
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searchText = searchText.toLowerCase()
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onFound:
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for (const aartist in this._albums) {
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if (aartist.toLowerCase().indexOf(searchText) !== -1) {
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found.push(aartist)
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continue onFound
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}
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for (const album in this._albums[aartist]) {
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if (album.toLowerCase().indexOf(searchText) !== -1) {
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found.push(aartist)
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continue onFound
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}
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for (let i = 0; i < this._albums[aartist][album].length; i++) {
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if (this._albums[aartist][album][i].title.toLowerCase().indexOf(searchText) !== -1) {
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found.push(aartist)
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continue onFound
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}
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}
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}
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}
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}
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found.sort((a, b) => {
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return a.toLowerCase() > b.toLowerCase() ? 1 : -1
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})
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return found
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}
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}
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