90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*****************************************************************************
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 * Open MCT, Copyright (c) 2014-2020, United States Government
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 * as represented by the Administrator of the National Aeronautics and Space
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 * Administration. All rights reserved.
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 *
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 * Open MCT is licensed under the Apache License, Version 2.0 (the
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 * "License"); you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 * http://www.apache.org/licenses/LICENSE-2.0.
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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 * License for the specific language governing permissions and limitations
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 * under the License.
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 *
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 * Open MCT includes source code licensed under additional open source
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 * licenses. See the Open Source Licenses file (LICENSES.md) included with
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 * this source code distribution or the Licensing information page available
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 * at runtime from the About dialog for additional information.
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 *****************************************************************************/
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define([], function () {
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    'use strict';
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    /**
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     * An example of using the `exportService`; queries for telemetry
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     * and provides the results as a CSV file.
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     * @param {platform/exporters.ExportService} exportService the
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     *        service which will handle the CSV export
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     * @param {ActionContext} context the action's context
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     * @constructor
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     * @memberof example/export
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     * @implements {Action}
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     */
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    function ExportTelemetryAsCSVAction(exportService, context) {
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        this.exportService = exportService;
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        this.context = context;
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    }
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    ExportTelemetryAsCSVAction.prototype.perform = function () {
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        var context = this.context,
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            domainObject = context.domainObject,
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            telemetry = domainObject.getCapability("telemetry"),
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            metadata = telemetry.getMetadata(),
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            domains = metadata.domains,
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            ranges = metadata.ranges,
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            exportService = this.exportService;
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        function getName(domainOrRange) {
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            return domainOrRange.name;
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        }
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        telemetry.requestData({}).then(function (series) {
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            var headers = domains.map(getName).concat(ranges.map(getName)),
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                rows = [],
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                row,
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                i;
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            function copyDomainsToRow(telemetryRow, index) {
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                domains.forEach(function (domain) {
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                    telemetryRow[domain.name] = series.getDomainValue(index, domain.key);
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                });
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            }
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            function copyRangesToRow(telemetryRow, index) {
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                ranges.forEach(function (range) {
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                    telemetryRow[range.name] = series.getRangeValue(index, range.key);
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                });
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            }
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            for (i = 0; i < series.getPointCount(); i += 1) {
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                row = {};
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                copyDomainsToRow(row, i);
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                copyRangesToRow(row, i);
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                rows.push(row);
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            }
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            exportService.exportCSV(rows, { headers: headers });
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        });
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    };
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    ExportTelemetryAsCSVAction.appliesTo = function (context) {
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        return context.domainObject
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            && context.domainObject.hasCapability("telemetry");
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    };
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    return ExportTelemetryAsCSVAction;
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});
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