| /** |
| * 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 App = require('app'); |
| |
| require('views/common/export_metrics_menu_view'); |
| var stringUtils = require('utils/string_utils'); |
| var fileUtils = require('utils/file_utils'); |
| |
| App.ExportMetricsMixin = Em.Mixin.create({ |
| |
| /** |
| * Used as argument passed from template to indicate that resulting format is CSV instead of JSON |
| */ |
| exportToCSVArgument: true, |
| |
| isExportMenuHidden: true, |
| |
| isExportButtonHidden: false, |
| |
| exportMetricsMenuView: App.ExportMetricsMenuView.extend(), |
| |
| targetView: function () { |
| return this.get('exportTargetView') || this; |
| }.property(), |
| |
| hideMenuForNoData: function () { |
| if (this.get('isExportButtonHidden')) { |
| this.set('isExportMenuHidden', true); |
| } |
| }.observes('isExportButtonHidden'), |
| |
| toggleFormatsList: function () { |
| this.toggleProperty('isExportMenuHidden'); |
| }, |
| |
| exportGraphData: function (event) { |
| this.set('isExportMenuHidden', true); |
| var ajaxIndex = this.get('targetView.ajaxIndex'); |
| App.ajax.send({ |
| name: ajaxIndex, |
| data: $.extend(this.get('targetView').getDataForAjaxRequest(), { |
| isCSV: !!event.context |
| }), |
| sender: this, |
| success: 'exportGraphDataSuccessCallback', |
| error: 'exportGraphDataErrorCallback' |
| }); |
| }, |
| |
| exportGraphDataSuccessCallback: function (response, request, params) { |
| var seriesData = this.get('targetView').getData(response); |
| if (!seriesData.length) { |
| App.showAlertPopup(Em.I18n.t('graphs.noData.title'), Em.I18n.t('graphs.noData.tooltip.title')); |
| } else { |
| var fileType = params.isCSV ? 'csv' : 'json', |
| fileName = 'data.' + fileType, |
| data = params.isCSV ? this.prepareCSV(seriesData) : JSON.stringify(seriesData, this.jsonReplacer(), 4); |
| fileUtils.downloadTextFile(data, fileType, fileName); |
| } |
| }, |
| |
| exportGraphDataErrorCallback: function (jqXHR, ajaxOptions, error, opt) { |
| App.ajax.defaultErrorHandler(jqXHR, opt.url, opt.type, jqXHR.status); |
| }, |
| |
| prepareCSV: function (data) { |
| var displayUnit = this.get('targetView.displayUnit'), |
| titles, |
| ticksNumber, |
| metricsNumber, |
| metricsArray; |
| this.checkGraphDataForValidity(data); |
| titles = data.map(function (item) { |
| return displayUnit ? item.name + ' (' + displayUnit + ')' : item.name; |
| }, this); |
| titles.unshift(Em.I18n.t('common.timestamp')); |
| ticksNumber = data[0].data.length; |
| metricsNumber = data.length; |
| metricsArray = [titles]; |
| for (var i = 0; i < ticksNumber; i++) { |
| metricsArray.push([data[0].data[i][1]]); |
| for (var j = 0; j < metricsNumber; j++) { |
| metricsArray[i + 1].push(data[j].data[i][0]); |
| }; |
| }; |
| return stringUtils.arrayToCSV(metricsArray); |
| }, |
| |
| checkGraphDataForValidity: function (data) { |
| data.sort(function (a, b) { |
| return b.data.length - a.data.length |
| }); |
| |
| var maxLength = data[0].data.length; |
| |
| for (var i = 1; i < data.length; i ++) { |
| if (data[i].data.length !== maxLength) this.fillGraphDataArrayWithMockedData(data[i], maxLength); |
| } |
| }, |
| |
| fillGraphDataArrayWithMockedData: function (dataArray, neededLength) { |
| var startIndex = dataArray.data.length, |
| timestampInterval = dataArray.data[2][1] - dataArray.data[1][1]; |
| |
| for (var i = startIndex; i < neededLength; i++) { |
| var previousTimestamp = dataArray.data[i - 1][1]; |
| |
| dataArray.data.push([null, previousTimestamp + timestampInterval]); |
| } |
| }, |
| |
| jsonReplacer: function () { |
| var displayUnit = this.get('targetView.displayUnit'); |
| return function (key, value) { |
| if (['name', 'data'].contains(key) || (!isNaN(key))) { |
| return key == 'name' && displayUnit ? value + ' (' + displayUnit + ')' : value; |
| } |
| } |
| } |
| |
| }); |