163 lines
5.1 KiB
JavaScript
163 lines
5.1 KiB
JavaScript
/**
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* convertisseur de données de bornes de recharge électrique à partir de données Chargemap et open data Etalab
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*/
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import fs from 'node-fs';
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let show_debug = 0;
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let filterCoordinates = true;
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let filterDepartment = 91;
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let filterZipCode = new RegExp(`^${filterDepartment}`);
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let pointCounterMax = 10;
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// let limitConversionToFirstPoint = false;
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// if (limitConversionToFirstPoint) {
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// pointCounterMax = 1
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// }
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// limitConversionToFirstPoint = false;
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// let sourceFileChargemapJson = './chargemap_data/hurepoix.json'
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let sourceFileIRVEGeoJson = './etalab_data/consolidation-etalab-schema-irve-statique-v-2.2.0-20230727.json'
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/**
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* plan de conversion des clés du jeu de données vers les tags OSM
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*/
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let mappingConfigIRVE = {
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contact_operateur: "email", // ici, on souhaite convertir la clé contact_operateur=bidule en email=bidule
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nom_amenageur: "operator",
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telephone_operateur: "phone",
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nbre_pdc: "chargin_point:count",
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id_station_itinerance: "ref:EU:EVSE",
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id_station_local: "ref",
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// consolidated_code_postal: "zipcode",
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}
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function debugLog(message) {
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if (!show_debug) {
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return
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}
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console.log('debug: ', ...message)
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}
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function convertDataForIRVE(sourceFilePath, mapping, pointCounterMax) {
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debugLog('convertDataFromChargemap from ', sourceFilePath);
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let convertedGeoJson = {
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type: 'FeatureCollection',
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features: []
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}
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fs.readFile(sourceFilePath, 'utf8', function (err, data) {
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let pointcounter = 0;
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if (err) {
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return debugLog(err);
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}
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let dataTransformed = JSON.parse(data);
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// debug('data keys ', Object.keys(dataTransformed))
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debugLog('debug: properties of point 0', dataTransformed.features[0])
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if (dataTransformed.features) {
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debugLog('data found, features:', dataTransformed.features.length)
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// find interesting list of points to use
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let listOfPoints = dataTransformed.features
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// for each point from the data source, convert with the mapping
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console.log('listOfPoints.length', listOfPoints.length)
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listOfPoints.forEach(featurePoint => {
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let regextestresult = filterZipCode.test(featurePoint.properties.consolidated_code_postal)
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// filter points depending on zipcode
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if (filterCoordinates && regextestresult) {
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console.log('featurePoint.properties.consolidated_code_postal', featurePoint.properties.consolidated_code_postal)
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// limit results number of points
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// if (pointcounter < pointCounterMax) {
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console.log('add point')
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debugLog('featurePoint', featurePoint)
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let mappedPoint = mapElementFromConf(featurePoint, mapping)
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debugLog('map one point', featurePoint, mappedPoint)
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if (mappedPoint) {
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convertedGeoJson.features.push(mappedPoint)
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}
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}
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// }
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pointcounter++;
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})
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// output new geojson
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console.log('convertedGeoJson.features.length', convertedGeoJson.features.length)
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// write file on disk
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writeJsonFile('my_converted_data_set.json', JSON.stringify(convertedGeoJson, null, 2))
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debugLog('mapped output:', convertedGeoJson.features)
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return convertedGeoJson;
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}
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})
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}
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/**
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* retuns the converted element from mapping config if present, null otherwise
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*/
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function mapElementFromConf(featurePoint, mappingConfig) {
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let mappingKeys = Object.keys(mappingConfig)
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let featurePointPropertiesKeys = Object.keys(featurePoint.properties)
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debugLog('keys', mappingKeys, featurePointPropertiesKeys)
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let newProperties = {}
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// reinit properties of current point
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let basePoint = Object.create(featurePoint)
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basePoint.type = featurePoint.type
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basePoint.geometry = featurePoint.geometry
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basePoint.properties = newProperties
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// apply new properties if found in mapping config
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featurePointPropertiesKeys.forEach(pointKeyName => {
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if (mappingKeys.indexOf(pointKeyName) !== -1) {
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debugLog('found element', pointKeyName, '=>', mappingConfig[pointKeyName], 'value : ', featurePoint.properties[pointKeyName])
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newProperties[mappingConfig[pointKeyName]] = featurePoint.properties[pointKeyName]
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}
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})
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debugLog('basePoint', basePoint)
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return basePoint
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}
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function writeJsonFile(fileName, fileContent) {
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debugLog('write file ', fileName);
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return fs.writeFile(
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`./output/${fileName}`,
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fileContent,
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"utf8",
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(err) => {
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if (err) {
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debugLog(`Error writing file: ${err}`);
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} else {
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debugLog(`File ${fileName} is written successfully!`);
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}
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}
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);
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}
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console.log('pointCounterMax', pointCounterMax)
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convertDataForIRVE(sourceFileIRVEGeoJson, mappingConfigIRVE, pointCounterMax)
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// convertDataFromChargemap(sourceFileChargemapJson, mappingConfigIRVE)
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