portainer/app/azure/services/providerService.js

import { ContainerInstanceProviderViewModel } from '../models/provider';

angular.module('portainer.azure').factory('ProviderService', [
  '$q',
  'Provider',
  function ProviderServiceFactory($q, Provider) {
    'use strict';
    var service = {};

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

      Provider.get({ subscriptionId: subscriptionId, providerNamespace: 'Microsoft.ContainerInstance' })
        .$promise.then(function success(data) {
          var provider = new ContainerInstanceProviderViewModel(data);
          deferred.resolve(provider);
        })
        .catch(function error(err) {
          deferred.reject({ msg: 'Unable to retrieve provider', err: err });
        });

      return deferred.promise;
    };

    return service;
  },
]);