server/serializers/rest/troupes/all-unread-item-count-strategy.js

   1 'use strict';
   2
   3 var unreadItemService = require('gitter-web-unread-items');
   4
   5 function AllUnreadItemCountStrategy(options) {
   6   this.userId = options.userId || options.currentUserId;
   7   this.unreadCounts = null;
   8 }
   9
  10 AllUnreadItemCountStrategy.prototype = {
  11   preload: function(troupeIds) {
  12     return unreadItemService
  13       .getUserUnreadCountsForTroupeIds(this.userId, troupeIds.toArray())
  14       .bind(this)
  15       .then(function(result) {
  16         this.unreadCounts = result;
  17       });
  18   },
  19
  20   map: function(id) {
  21     var count = this.unreadCounts[id];
  22     return count || 0;
  23   },
  24
  25   name: 'AllUnreadItemCountStrategy'
  26 };
  27
  28 module.exports = AllUnreadItemCountStrategy;