ambari/ambari-web/app/controllers/main/admin/kerberos/step5_controller.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.
 */
 var stringUtils = require('utils/string_utils');

App.KerberosWizardStep5Controller = App.KerberosProgressPageController.extend({
  name: 'kerberosWizardStep5Controller',
  csvData: [],

  submit: function() {
    App.router.send('next');
  },

  /**
   * get CSV data from the server
   */
  getCSVData: function () {
    App.ajax.send({
      name: 'admin.kerberos.cluster.csv',
      sender: this,
      data: {},
      success: 'getCSVDataSuccessCallback',
      error: 'getCSVDataSuccessCallback'
    })
  },

  /**
   * get CSV data from server success callback
   */
  getCSVDataSuccessCallback: function (data, opt, params) {
    this.set('csvData', this.prepareCSVData(data.split('\n')));
    this.downloadCSV();
  },

  prepareCSVData: function (array) {
    for (var i = 0; i < array.length; i += 1) {
      array[i] = array[i].split(',');
    }

    return array;
  },

  /**
   * download CSV file
   */
  downloadCSV: function () {
    if ($.browser.msie && $.browser.version < 10) {
      this.openInfoInNewTab();
    } else {
      try {
        var blob = new Blob([stringUtils.arrayToCSV(this.get('csvData'))], {type: "text/csv;charset=utf-8;"});
        saveAs(blob, "kerberos.csv");
      } catch (e) {
        this.openInfoInNewTab();
      }
    }
  },

  /**
   * open content of CSV file in new window
   */
  openInfoInNewTab: function () {
    var newWindow = window.open('');
    var newDocument = newWindow.document;
    newDocument.write(stringUtils.arrayToCSV(this.get('hostComponents')));
    newWindow.focus();
  },

  /**
   * Send request to post kerberos descriptor
   * @param kerberosDescriptor
   * @returns {$.ajax|*}
   */
  postKerberosDescriptor: function (kerberosDescriptor) {
    return App.ajax.send({
      name: 'admin.kerberos.cluster.artifact.create',
      sender: this,
      data: {
        artifactName: 'kerberos_descriptor',
        data: {
          artifact_data: kerberosDescriptor
        }
      }
    });
  },

  /**
   * Send request to update kerberos descriptor
   * @param kerberosDescriptor
   * @returns {$.ajax|*}
   */
  putKerberosDescriptor: function (kerberosDescriptor) {
    return App.ajax.send({
      name: 'admin.kerberos.cluster.artifact.update',
      sender: this,
      data: {
        artifactName: 'kerberos_descriptor',
        data: {
          artifact_data: kerberosDescriptor
        }
      },
      success: 'unkerberizeCluster',
      error: 'unkerberizeCluster'
    });
  },

  /**
   * Send request to unkerberisze cluster
   * @returns {$.ajax}
   */
  unkerberizeCluster: function () {
    return App.ajax.send({
      name: 'admin.unkerberize.cluster',
      sender: this,
      success: 'goToNextStep',
      error: 'goToNextStep'
    });
  },


  goToNextStep: function() {
    this.clearStage();
    App.router.transitionTo('step5');
  },

  isSubmitDisabled: function () {
    return !["COMPLETED", "FAILED"].contains(this.get('status'));
  }.property('status')
});