server/serializers/rest/troupes/lurk-and-activity-for-user-strategy.js

   1 'use strict';
   2
   3 var unreadItemService = require('gitter-web-unread-items');
   4 var roomMembershipService = require('gitter-web-rooms/lib/room-membership-service');
   5 var _ = require('lodash');
   6
   7 function LurkAndActivityForUserStrategy(options) {
   8   this.currentUserId = options.currentUserId;
   9   this.roomsWithLurk = null;
  10   this.activity = null;
  11 }
  12
  13 LurkAndActivityForUserStrategy.prototype = {
  14   preload: function() {
  15     return roomMembershipService
  16       .findLurkingRoomIdsForUserId(this.currentUserId)
  17       .bind(this)
  18       .then(function(troupeIds) {
  19         // Map the lurkers
  20         this.roomsWithLurk = _.reduce(
  21           troupeIds,
  22           function(memo, troupeId) {
  23             memo[troupeId] = true;
  24             return memo;
  25           },
  26           {}
  27         );
  28
  29         // Map the activity indicators
  30         return unreadItemService.getActivityIndicatorForTroupeIds(troupeIds, this.currentUserId);
  31       })
  32       .then(function(values) {
  33         this.activity = values;
  34       });
  35   },
  36
  37   mapLurkStatus: function(roomId) {
  38     return this.roomsWithLurk[roomId] || false;
  39   },
  40
  41   mapActivity: function(roomId) {
  42     return this.activity[roomId];
  43   },
  44
  45   name: 'LurkAndActivityForUserStrategy'
  46 };
  47
  48 module.exports = LurkAndActivityForUserStrategy;