ambari-admin/src/main/resources/ui/admin-web/app/scripts/controllers/mainCtrl.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

angular.module('ambariAdminConsole')
.controller('MainCtrl',['$scope','$rootScope','$window','Auth', 'Alert', '$modal', 'Cluster', 'View', '$translate', '$http', 'Settings', 'Utility', '$q', function($scope, $rootScope, $window, Auth, Alert, $modal, Cluster, View, $translate, $http, Settings, Utility, $q) {
  var $t = $translate.instant;
  $scope.signOut = function() {
    Auth.signout().finally(function() {
      $window.location.pathname = Settings.siteRoot;
    });
  };

  $scope.ambariVersion = null;
  $rootScope.supports = {};
  $rootScope.authDataLoad = $q.defer();

  Utility.getUserPref('user-pref-' + Auth.getCurrentUser() + '-supports').then(function(data) {
    $rootScope.supports = data.data ? data.data : {};
  });

  $http.get(Settings.baseUrl + '/users/' + Auth.getCurrentUser() + '/authorizations?fields=*')
    .then(function(data) {
      var auth = !!data.data && !!data.data.items ? data.data.items.map(function (a) {
          return a.AuthorizationInfo.authorization_id;
        }) : [],
        canPersistData = auth.indexOf('CLUSTER.MANAGE_USER_PERSISTED_DATA') > -1;
      $rootScope.authDataLoad.resolve(canPersistData);
      if(auth.indexOf('AMBARI.RENAME_CLUSTER') == -1) {
        $window.location = $rootScope.fromSiteRoot("/#/main/dashboard");
      }
    });

  $scope.about = function() {
   var ambariVersion = $scope.ambariVersion;
  	var modalInstance = $modal.open({
  		templateUrl:'views/modals/AboutModal.html',
  		controller: ['$scope', function($scope) {
  			$scope.ok = function() {
  				modalInstance.close();
  			};
        $scope.ambariVersion = ambariVersion;
  		}]
  	});
  };

  $scope.currentUser = Auth.getCurrentUser();

  $scope.cluster = null;
  $scope.isLoaded = null;

  function loadAmbariVersion() {
    Cluster.getAmbariVersion().then(function(version){
      $scope.ambariVersion = version;
    });
  }

  function loadClusterData(){
    Cluster.getStatus().then(function(cluster) {
      $scope.cluster = cluster;
      $scope.isLoaded = true;
      if(cluster && cluster.Clusters.provisioning_state === 'INIT'){
        setTimeout(loadClusterData, 1000);
      }
    }).catch(function(data) {
      Alert.error($t('common.alerts.cannotLoadClusterStatus'), data.statusText);
    });
  }
  loadClusterData();
  loadAmbariVersion();

  $scope.viewInstances = [];

  $scope.updateInstances = function () {
    View.getAllVisibleInstance().then(function(instances) {
      $scope.viewInstances = instances.map(function(i) {
        i.viewUrl = i.view_name + '/' + i.version + '/' + i.instance_name;
        return i;
      });
    });
  };

  $scope.gotoViewsDashboard =function() {
    window.location = Settings.siteRoot + '#/main/views';
  };

  $scope.$root.$on('instancesUpdate', function (event, data) {
    $scope.updateInstances();
  });

  $scope.startInactiveTimeoutMonitoring = function(timeout) {
    var TIME_OUT = timeout;
    var active = true;
    var lastActiveTime = Date.now();

    var keepActive = function() {
      if (active) {
        lastActiveTime = Date.now();
      }
    };

    $(window).bind('mousemove', keepActive);
    $(window).bind('keypress', keepActive);
    $(window).bind('click', keepActive);

    var checkActiveness = function() {
      var remainTime = TIME_OUT - (Date.now() - lastActiveTime);
      if (remainTime < 0) {
        active = false;
        $(window).unbind('mousemove', keepActive);
        $(window).unbind('keypress', keepActive);
        $(window).unbind('click', keepActive);
        clearInterval($rootScope.userActivityTimeoutInterval);
        $scope.signOut();
      } else if (remainTime < 60000 && !$rootScope.timeoutModal) {
        $rootScope.timeoutModal = $modal.open({
          templateUrl: 'views/modals/TimeoutWarning.html',
          backdrop: false,
          controller: ['$scope', 'Auth', function($scope, Auth) {
            $scope.remainTime = 60;
            $scope.title = $t('main.autoLogOut');
            $scope.primaryText = $t('main.controls.remainLoggedIn');
            $scope.secondaryText = $t('main.controls.logOut');
            $scope.remain = function() {
              $rootScope.timeoutModal.close();
              delete $rootScope.timeoutModal;
            };
            $scope.logout = function() {
              $rootScope.timeoutModal.close();
              delete $rootScope.timeoutModal;
              Auth.signout().finally(function() {
                $window.location.pathname = Settings.siteRoot;
              });
            };
            $scope.countDown = function() {
              $scope.remainTime--;
              $scope.$apply();
              if ($scope.remainTime == 0) {
                Auth.signout().finally(function() {
                  $window.location.pathname = Settings.siteRoot;
                });
              }
            };
            setInterval($scope.countDown, 1000);
          }]
        });
      }
    };
    $rootScope.userActivityTimeoutInterval = window.setInterval(checkActiveness, 1000);
  };

  // Send noop requests every 10 seconds just to keep backend session alive
  $scope.startNoopPolling = function() {
    $rootScope.noopPollingInterval = setInterval(Cluster.getAmbariTimeout, 10000);
  };

  if (!$rootScope.userActivityTimeoutInterval) {
    Cluster.getAmbariTimeout().then(function(timeout) {
      $rootScope.userTimeout = Number(timeout) * 1000;
      if ($rootScope.userTimeout > 0)
        $scope.startInactiveTimeoutMonitoring($rootScope.userTimeout);
    });
  }
  if (!$rootScope.noopPollingInterval) {
    $scope.startNoopPolling();
  }
  $scope.updateInstances();
}]);