+ // Initialize transaction attributes on connectors
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+ this.initializeConnectorStatus(connectorId);
+ }
+ }
+ }
+
+ private checkMaxConnectors(maxConnectors: number): void {
+ if (maxConnectors <= 0) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with ${maxConnectors} connectors`
+ );
+ }
+ }
+
+ private checkTemplateMaxConnectors(templateMaxConnectors: number): void {
+ if (templateMaxConnectors === 0) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with empty connectors configuration`
+ );
+ } else if (templateMaxConnectors < 0) {
+ logger.error(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined`
+ );
+ }
+ }
+
+ private getConfigurationFromFile(): ChargingStationConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.configurationFile && fs.existsSync(this.configurationFile)) {
+ try {
+ const measureId = `${FileType.ChargingStationConfiguration} read`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ configuration = JSON.parse(
+ fs.readFileSync(this.configurationFile, 'utf8')
+ ) as ChargingStationConfiguration;
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ }
+ return configuration;
+ }
+
+ private saveConfiguration(section?: Section): void {
+ if (this.configurationFile) {
+ try {
+ const configurationData: ChargingStationConfiguration =
+ this.getConfigurationFromFile() ?? {};
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
+ }
+ switch (section) {
+ case Section.ocppConfiguration:
+ configurationData.configurationKey = this.ocppConfiguration.configurationKey;
+ break;
+ case Section.stationInfo:
+ if (configurationData?.stationInfo?.infoHash === this.stationInfo?.infoHash) {
+ logger.debug(
+ `${this.logPrefix()} Not saving unchanged charging station information to configuration file ${
+ this.configurationFile
+ }`
+ );
+ return;
+ }
+ configurationData.stationInfo = this.stationInfo;
+ break;
+ default:
+ configurationData.configurationKey = this.ocppConfiguration.configurationKey;
+ if (configurationData?.stationInfo?.infoHash !== this.stationInfo?.infoHash) {
+ configurationData.stationInfo = this.stationInfo;
+ }
+ break;
+ }
+ const measureId = `${FileType.ChargingStationConfiguration} write`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ const fileDescriptor = fs.openSync(this.configurationFile, 'w');
+ fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8');
+ fs.closeSync(fileDescriptor);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );