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/* eslint-disable no-param-reassign */
/* eslint-disable no-unused-vars */
/* global getParameterByName */
const defaultLocalMusicPlaylist = {
tracks: [],
info: {
id: 'lmplaylist_reserve',
cover_img_url: 'images/mycover.jpg',
title: '本地音乐',
source_url: '',
},
};
class localmusic {
static show_playlist(url, hm) {
return {
success: (fn) =>
fn({
result: [],
}),
};
}
static lm_get_playlist(url) {
const list_id = getParameterByName('list_id', url);
return {
success: (fn) => {
let playlist = localStorage.getObject(list_id);
if (playlist === null || playlist === undefined) {
playlist = defaultLocalMusicPlaylist;
}
fn(playlist);
},
};
}
static lm_album(url) {
const album = getParameterByName('list_id', url).split('_').pop();
return {
success: (fn) => {
const list_id = 'lmplaylist_reserve';
let playlist = localStorage.getObject(list_id);
if (playlist === null || playlist === undefined) {
playlist = JSON.parse(JSON.stringify(defaultLocalMusicPlaylist));
playlist.info.title = album;
} else {
playlist.info.title = album;
playlist.tracks = playlist.tracks.filter((tr) => tr.album === album);
}
fn(playlist);
},
};
}
static lm_artist(url) {
const artist = getParameterByName('list_id', url).split('_').pop();
return {
success: (fn) => {
const list_id = 'lmplaylist_reserve';
let playlist = localStorage.getObject(list_id);
if (playlist === null || playlist === undefined) {
playlist = JSON.parse(JSON.stringify(defaultLocalMusicPlaylist));
playlist.info.title = artist;
} else {
playlist.info.title = artist;
playlist.tracks = playlist.tracks.filter(
(tr) => tr.artist === artist
);
}
fn(playlist);
},
};
}
static bootstrap_track(track, success, failure) {
const sound = {};
sound.url = track.sound_url;
sound.platform = 'localmusic';
success(sound);
}
static lyric(url) {
const track_id = getParameterByName('track_id', url);
const playlist = localStorage.getObject('lmplaylist_reserve');
const track = playlist.tracks.find((item) => item.id === track_id);
let lyric = '';
if (track.lyrics !== undefined) {
[lyric] = track.lyrics;
}
return {
success: (fn) =>
fn({
lyric,
tlyric: '',
}),
};
}
static add_playlist(list_id, tracks) {
if (typeof tracks === 'string') {
tracks = JSON.parse(tracks);
}
let playlist = localStorage.getObject(list_id);
if (playlist === null) {
playlist = JSON.parse(JSON.stringify(defaultLocalMusicPlaylist));
}
const tracksIdSet = {};
tracks.forEach((tr) => {
tracksIdSet[tr.id] = true;
});
playlist.tracks = tracks.concat(
playlist.tracks.filter((tr) => tracksIdSet[tr.id] !== true)
);
localStorage.setObject(list_id, playlist);
return {
success: (fn) => fn({ list_id, playlist }),
};
}
static parse_url(url) {
let result;
return {
success: (fn) => {
fn(result);
},
};
}
static get_playlist(url) {
const list_id = getParameterByName('list_id', url).split('_')[0];
switch (list_id) {
case 'lmplaylist':
return this.lm_get_playlist(url);
case 'lmartist':
return this.lm_artist(url);
case 'lmalbum':
return this.lm_album(url);
default:
return null;
}
}
static remove_from_playlist(list_id, track_id) {
const playlist = localStorage.getObject(list_id);
if (playlist == null) {
return;
}
const newtracks = playlist.tracks.filter((item) => item.id !== track_id);
playlist.tracks = newtracks;
localStorage.setObject(list_id, playlist);
// eslint-disable-next-line consistent-return
return {
success: (fn) => fn(),
};
}
static get_playlist_filters() {
return {
success: (fn) => fn({ recommend: [], all: [] }),
};
}
// return {
// show_playlist: lm_show_playlist,
// get_playlist_filters,
// get_playlist,
// parse_url: lm_parse_url,
// bootstrap_track: lm_bootstrap_track,
// search: lm_search,
// lyric: lm_lyric,
// add_playlist: lm_add_playlist,
// remove_from_playlist: lm_remove_from_playlist,
// };
}
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