silk-gui/apps/zodern-stretto/static/js/player/models.js

GUI for developers and Node OS

// this file contains the models/collections in needed by the player

var PlaylistCollection = Backbone.Collection.extend({
  comparator: function(playlist) {
    return [playlist.get('editable'), playlist.get('title')];
  },

  fetch: function(options) {
    socket.emit('fetch_playlists');
  },

  getByTitle: function(name) {
    for (var i = 0; i < this.models.length; i++) {
      if (this.models[i].attributes.title == name) {
        return this.models[i];
      }
    }

    return false;
  },

  getBy_Id: function(id) {
    for (var i = 0; i < this.models.length; i++) {
      if (this.models[i].attributes._id == id) {
        return this.models[i];
      }
    }

    return false;
  },
});

var SongModel = Backbone.Model.extend({
  getCover: function() {
    if (this.get('is_youtube')) {
      return this.attributes.cover_location;
    } else if (this.get('cover_location')) {
      return 'cover/' + this.attributes.cover_location;
    } else {
      return 'static/images/unknown.jpg';
    }
  },

  isYoutube: function() {
    return this.get('is_youtube') === true;
  },
});

var SongCollection = Backbone.Collection.extend({
  model: SongModel,

  fetch: function(options) {
    socket.emit('fetch_songs');
  },

  findBy_Id: function(id) {
    for (var i = 0; i < this.models.length; i++) {
      if (this.models[i].attributes._id == id) {
        return this.models[i];
      }
    }

    return false;
  },

  getByIds: function(playlist) {
    if (playlist !== undefined && playlist.songs !== undefined) {
      if (playlist._id == 'QUEUE') {
        return (player.shuffle_state) ? player.shuffle_pool : player.queue_pool;
      }

      songs = [];
      for (var i = 0; i < playlist.songs.length; i++) {
        var song = this.findBy_Id(playlist.songs[i]._id);
        if (song) {
          // set the index in the playlist
          song.attributes.index = i + 1;
          songs.push(song);
        }
      }

      return songs;
    }

    return false;
  },

  findItem: function(item) {
    for (var i = 0; i < this.models.length; i++) {
      if (this.models[i].attributes.title == item.attributes.title &&
        this.models[i].attributes.album == item.attributes.album &&
        this.models[i].attributes.display_artist == item.attributes.display_artist) {
        return this.models[i];
      }
    }

    return false;
  },
});