server/api/private/avatars/user-by-username.js

   1 'use strict';
   2
   3 var User = require('gitter-web-persistence').User;
   4 var isGitHubUsername = require('gitter-web-identity/lib/is-github-username');
   5 var utils = require('./utils');
   6
   7 module.exports = function(username, size) {
   8   return User.findOne({ username: username }, { _id: 0, gravatarImageUrl: 1 }, { lean: true }).then(
   9     function(doc) {
  10       if (!doc || !doc.gravatarImageUrl) {
  11         // We don't know who this user is. Just fallback to GitHub for now
  12         return {
  13           url: 'https://avatars.githubusercontent.com/' + username + '?s=' + size,
  14           longTermCachable: true
  15         };
  16       }
  17
  18       if (isGitHubUsername(username)) {
  19         return {
  20           url: utils.addSizeParam(doc.gravatarImageUrl, 's', size),
  21           longTermCachable: true
  22         };
  23       }
  24
  25       // TODO: Deal with twitter users better (for example sizes etc)
  26       // Currently, twitter users will 404 if you add a ?s= to the url
  27       return {
  28         url: doc.gravatarImageUrl,
  29         longTermCachable: true
  30       };
  31     }
  32   );
  33 };