koel/resources/assets/js/stores/album.js
2017-10-03 00:01:37 +01:00

120 lines
2.5 KiB
JavaScript

/*eslint camelcase: ["error", {properties: "never"}]*/
import Vue from 'vue'
import { reduce, each, union, difference, take, filter, orderBy } from 'lodash'
import stub from '@/stubs/album'
import { artistStore } from '.'
export const albumStore = {
stub,
cache: [],
state: {
albums: [stub]
},
/**
* Init the store.
*
* @param {Array.<Object>} albums The array of album objects
*/
init (albums) {
// Traverse through the artists array and add their albums into our master album list.
this.all = albums
each(this.all, album => this.setupAlbum(album))
},
setupAlbum (album) {
const artist = artistStore.byId(album.artist_id)
artist.albums = union(artist.albums, [album])
Vue.set(album, 'artist', artist)
Vue.set(album, 'info', null)
Vue.set(album, 'songs', [])
Vue.set(album, 'playCount', 0)
this.cache[album.id] = album
return album
},
/**
* Get all albums in the store.
*
* @return {Array.<Object>}
*/
get all () {
return this.state.albums
},
/**
* Set all albums.
*
* @param {Array.<Object>} value
*/
set all (value) {
this.state.albums = value
},
byId (id) {
return this.cache[id]
},
/**
* Add new album/albums into the current collection.
*
* @param {Array.<Object>|Object} albums
*/
add (albums) {
albums = [].concat(albums)
each(albums, album => {
this.setupAlbum(album, album.artist)
album.playCount = reduce(album.songs, (count, song) => count + song.playCount, 0)
})
this.all = union(this.all, albums)
},
purify () {
this.compact()
},
/**
* Remove empty albums from the store.
*/
compact () {
const emptyAlbums = filter(this.all, album => album.songs.length === 0)
if (!emptyAlbums.length) {
return
}
this.all = difference(this.all, emptyAlbums)
each(emptyAlbums, album => delete this.cache[album.id])
},
/**
* Get top n most-played albums.
*
* @param {Number} n
*
* @return {Array.<Object>}
*/
getMostPlayed (n = 6) {
// Only non-unknown albums with actually play count are applicable.
const applicable = filter(this.all, album => album.playCount && album.id !== 1)
return take(orderBy(applicable, 'playCount', 'desc'), n)
},
/**
* Get n most recently added albums.
*
* @param {Number} n
*
* @return {Array.<Object>}
*/
getRecentlyAdded (n = 6) {
const applicable = filter(this.all, album => album.id !== 1)
return take(orderBy(applicable, 'created_at', 'desc'), n)
}
}