server/services/typeaheads/user-typeahead.js

   1 'use strict';
   2
   3 var troupeService = require('gitter-web-rooms/lib/troupe-service');
   4 var oneToOneTypeahead = require('./user-typeahead-one-to-one');
   5 var elasticTypeahead = require('./user-typeahead-elastic');
   6 var userSearchService = require('../user-search-service');
   7 var env = require('gitter-web-env');
   8 var errorReporter = env.errorReporter;
   9 var logger = env.logger;
  10
  11 module.exports.query = function(text, options) {
  12   var roomId = (options || {}).roomId;
  13
  14   if (roomId) {
  15     return troupeService.findById(roomId).then(function(room) {
  16       if (room.oneToOne) {
  17         return oneToOneTypeahead.query(text, room);
  18       } else {
  19         // elastic typeahead doesnt know about oneToOnes
  20         return alphaFallbackTypeahead(text, { roomId: roomId });
  21       }
  22     });
  23   } else {
  24     return alphaFallbackTypeahead(text);
  25   }
  26 };
  27
  28 // while we are using elasticsearch 5 alphas, we better have a fallback
  29 function alphaFallbackTypeahead(text, options) {
  30   return elasticTypeahead.query(text, options).catch(function(err) {
  31     logger.error('typeahead alpha experienced an error, falling back to old typeahead', {
  32       error: err.message
  33     });
  34     errorReporter(err, { text: text, options: options }, { module: 'user-typeahead' });
  35
  36     return oldTypeahead(text, options);
  37   });
  38 }
  39
  40 function oldTypeahead(text, options) {
  41   var roomId = (options || {}).roomId || '*';
  42
  43   if (roomId) {
  44     return userSearchService.searchForUsersInRoom(text, roomId).then(function(res) {
  45       return res.results;
  46     });
  47   } else {
  48     return userSearchService.globalUserSearch(text).then(function(res) {
  49       return res.results;
  50     });
  51   }
  52 }