-import ChargingStation from '../ChargingStation';
+import type ChargingStation from '../ChargingStation';
+import { HandleErrorParams } from '../../types/Error';
import { IncomingRequestCommand } from '../../types/ocpp/Requests';
+import { JsonType } from '../../types/JsonType';
import logger from '../../utils/Logger';
export default abstract class OCPPIncomingRequestService {
+ private static readonly instances: Map<string, OCPPIncomingRequestService> = new Map<string, OCPPIncomingRequestService>();
protected chargingStation: ChargingStation;
- constructor(chargingStation: ChargingStation) {
+ protected constructor(chargingStation: ChargingStation) {
this.chargingStation = chargingStation;
}
- public handleIncomingRequestError(commandName: IncomingRequestCommand, error: Error, ocppResponse?): unknown {
- logger.error(this.chargingStation.logPrefix() + ' Incoming request command ' + commandName + ' error: %j', error);
- if (ocppResponse) {
- return ocppResponse;
+ public static getInstance<T extends OCPPIncomingRequestService>(this: new (chargingStation: ChargingStation) => T, chargingStation: ChargingStation): T {
+ if (!OCPPIncomingRequestService.instances.has(chargingStation.id)) {
+ OCPPIncomingRequestService.instances.set(chargingStation.id, new this(chargingStation));
}
- throw error;
+ return OCPPIncomingRequestService.instances.get(chargingStation.id) as T;
}
- public abstract handleRequest(messageId: string, commandName: IncomingRequestCommand, commandPayload: Record<string, unknown>): Promise<void>;
+ protected handleIncomingRequestError<T>(commandName: IncomingRequestCommand, error: Error, params: HandleErrorParams<T> = { throwError: true }): T {
+ logger.error(this.chargingStation.logPrefix() + ' Incoming request command %s error: %j', commandName, error);
+ if (!params?.throwError && params?.errorResponse) {
+ return params?.errorResponse;
+ }
+ if (params?.throwError && !params?.errorResponse) {
+ throw error;
+ }
+ if (params?.throwError && params?.errorResponse) {
+ return params?.errorResponse;
+ }
+ }
+
+ public abstract handleRequest(messageId: string, commandName: IncomingRequestCommand, commandPayload: JsonType): Promise<void>;
}