koel/resources/assets/js/stores/song.js
2015-12-20 20:17:35 +08:00

174 lines
4.4 KiB
JavaScript

import _ from 'lodash';
import http from '../services/http';
import utils from '../services/utils';
import stub from '../stubs/song';
import albumStore from './album';
import favoriteStore from './favorite';
import sharedStore from './shared';
import useStore from './user';
export default {
stub,
sharedStore: null,
albums: [],
state: {
songs: [stub],
interactions: [],
},
/**
* Init the store.
*
* @param array albums The array of albums to extract our songs from
* @param array interactions The array of interactions (like/play count) of the current user
*/
init(albums, interactions = null) {
this.albums = albums;
this.state.interactions = interactions ? interactions : sharedStore.state.interactions;
// Iterate through the albums. With each, add its songs into our master song list.
this.state.songs = _.reduce(albums, (songs, album) => {
// While doing so, we populate some other information into the songs as well.
_.each(album.songs, song => {
song.fmtLength = utils.secondsToHis(song.length);
// Keep a back reference to the album
song.album = album;
this.setInteractionStats(song);
if (song.liked) {
favoriteStore.add(song);
}
});
return songs.concat(album.songs);
}, []);
},
/**
* Get all songs.
*/
all() {
return this.state.songs;
},
/**
* Get a song by its ID
*
* @param string id
*
* @return object
*/
byId(id) {
return _.find(this.state.songs, {id});
},
/**
* Get songs by their ID's
*
* @param array ids
*
* @return array
*/
byIds(ids) {
return _.filter(this.state.songs, song => _.contains(ids, song.id));
},
/**
* Set the interaction stats (like status and playcount) for a song.
*
* @param object song
*/
setInteractionStats(song) {
var interaction = _.find(this.state.interactions, { song_id: song.id });
if (!interaction) {
song.liked = false;
song.playCount = 0;
return;
}
song.liked = interaction.liked;
song.playCount = interaction.play_count;
},
/**
* Increase a play count for a song.
*
* @param object song
*/
registerPlay(song) {
// Increase playcount
http.post('interaction/play', { id: song.id }, data => song.playCount = data.play_count);
},
/**
* Get extra song information (lyrics, artist info, album info).
*
* @param {Object} song
* @param {Function} cb
*
* @return {Object}
*/
getInfo(song, cb = null) {
if (!_.isUndefined(song.lyrics)) {
if (cb) {
cb();
}
return;
}
http.get(`${song.id}/info`, data => {
song.lyrics = data.lyrics;
// If the artist image is not in a nice form, don't use it.
if (data.artist_info && typeof data.artist_info.image !== 'string') {
data.artist_info.image = null;
}
song.album.artist.info = data.artist_info;
// Convert the duration into i:s
if (data.album_info && data.album_info.tracks) {
_.each(data.album_info.tracks, track => track.fmtLength = utils.secondsToHis(track.length));
}
// If the album cover is not in a nice form, don't use it.
if (data.album_info && typeof data.album_info.image !== 'string') {
data.album_info.image = null;
}
song.album.info = data.album_info;
if (cb) {
cb();
}
});
},
/**
* Scrobble a song (using Last.fm)
*
* @param {Object} song
* @param {Function} cb
*/
scrobble(song, cb = null) {
if (!sharedStore.state.useLastfm || !useStore.current().preferences.lastfm_session_key) {
return;
}
http.post(`${song.id}/scrobble/${song.playStartTime}`, () => {
if (cb) {
cb();
}
return;
});
},
};