portainer/app/services/api/dockerhubService.js

angular.module('portainer.services')
.factory('DockerHubService', ['$q', 'DockerHub', function DockerHubServiceFactory($q, DockerHub) {
  'use strict';
  var service = {};

  service.dockerhub = function() {
    var deferred = $q.defer();

    DockerHub.get().$promise
    .then(function success(data) {
      var dockerhub = new DockerHubViewModel(data);
      deferred.resolve(dockerhub);
    })
    .catch(function error(err) {
      deferred.reject({ msg: 'Unable to retrieve DockerHub details', err: err });
    });

    return deferred.promise;
  };

  service.update = function(dockerhub) {
    return DockerHub.update({}, dockerhub).$promise;
  };

  return service;
}]);