koel/resources/assets/js/mixins/has-song-list.js

/**
 * Add necessary functionalities into a view that contains a song-list component.
 */

import { assign } from 'lodash';

import { event } from '../utils';
import { playback } from '../services';
import addToMenu from '../components/shared/add-to-menu.vue';
import songList from '../components/shared/song-list.vue';

export default {
  components: { addToMenu, songList },

  data() {
    return {
      /**
       * Whether or not to show the "Add To" button in the header.
       *
       * @type {Boolean}
       */
      showingAddToMenu: false,

      /**
       * An array of selected songs in the list.
       *
       * @type {Array.<Object>}
       */
      selectedSongs: [],

      meta: {
        songCount: 0,
        totalLength: '00:00',
      },
    };
  },

  methods: {
    /**
     * Shuffles the currently selected songs.
     */
    shuffleSelected() {
      if (this.selectedSongs.length < 2) {
        return;
      }

      playback.queueAndPlay(this.selectedSongs, true);
    },

    setSelectedSongs(songs) {
      this.selectedSongs = songs;
    },

    updateMeta(meta) {
      this.meta = assign(this.meta, meta);
    },

    closeAddToMenu() {
      this.showingAddToMenu = false;
    },
  },
};