portainer/app/azure/services/resourceGroupService.js

import { ResourceGroupViewModel } from '../models/resource_group';

angular.module('portainer.azure').factory('ResourceGroupService', [
  '$q',
  'ResourceGroup',
  function ResourceGroupServiceFactory($q, ResourceGroup) {
    'use strict';
    var service = {};

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

      ResourceGroup.query({ subscriptionId: subscriptionId })
        .$promise.then(function success(data) {
          var resourceGroups = data.value.map(function (item) {
            return new ResourceGroupViewModel(item, subscriptionId);
          });
          deferred.resolve(resourceGroups);
        })
        .catch(function error(err) {
          deferred.reject({ msg: 'Unable to retrieve resource groups', err: err });
        });

      return deferred.promise;
    };

    return service;
  },
]);