X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2FOCPPResponseService.ts;h=a526c28c6812fea7b27108d1b46daa9c3fe731ec;hb=dd21af153ed64c6220b6b14a5165c11443032f4f;hp=17bf80650c1e04e615e7b7ddc017f31d43822dc8;hpb=d18886407cdb8b8148c87492f2c953075e708401;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ocpp/OCPPResponseService.ts b/src/charging-station/ocpp/OCPPResponseService.ts
index 17bf8065..a526c28c 100644
--- a/src/charging-station/ocpp/OCPPResponseService.ts
+++ b/src/charging-station/ocpp/OCPPResponseService.ts
@@ -1,13 +1,87 @@
-import ChargingStation from '../ChargingStation';
-import { JsonType } from '../../types/JsonType';
-import { RequestCommand } from '../../types/ocpp/Requests';
+import _Ajv, { type ValidateFunction } from 'ajv'
+import _ajvFormats from 'ajv-formats'
 
-export default abstract class OCPPResponseService {
-  protected chargingStation: ChargingStation;
+import { OCPPServiceUtils } from './OCPPServiceUtils.js'
+import type { ChargingStation } from '../../charging-station/index.js'
+import { OCPPError } from '../../exception/index.js'
+import type {
+  IncomingRequestCommand,
+  JsonType,
+  OCPPVersion,
+  RequestCommand
+} from '../../types/index.js'
+import { Constants, logger } from '../../utils/index.js'
+type Ajv = _Ajv.default
+// eslint-disable-next-line @typescript-eslint/no-redeclare
+const Ajv = _Ajv.default
+const ajvFormats = _ajvFormats.default
 
-  constructor(chargingStation: ChargingStation) {
-    this.chargingStation = chargingStation;
+const moduleName = 'OCPPResponseService'
+
+export abstract class OCPPResponseService {
+  private static instance: OCPPResponseService | null = null
+  private readonly version: OCPPVersion
+  protected readonly ajv: Ajv
+  protected readonly ajvIncomingRequest: Ajv
+  protected abstract payloadValidateFunctions: Map<RequestCommand, ValidateFunction<JsonType>>
+  public abstract incomingRequestResponsePayloadValidateFunctions: Map<
+  IncomingRequestCommand,
+  ValidateFunction<JsonType>
+  >
+
+  protected constructor (version: OCPPVersion) {
+    this.version = version
+    this.ajv = new Ajv({
+      keywords: ['javaType'],
+      multipleOfPrecision: 2
+    })
+    ajvFormats(this.ajv)
+    this.ajvIncomingRequest = new Ajv({
+      keywords: ['javaType'],
+      multipleOfPrecision: 2
+    })
+    ajvFormats(this.ajvIncomingRequest)
+    this.responseHandler = this.responseHandler.bind(this)
+    this.validateResponsePayload = this.validateResponsePayload.bind(this)
+  }
+
+  public static getInstance<T extends OCPPResponseService>(this: new () => T): T {
+    if (OCPPResponseService.instance === null) {
+      OCPPResponseService.instance = new this()
+    }
+    return OCPPResponseService.instance as T
   }
 
-  public abstract handleResponse(commandName: RequestCommand, payload: JsonType | string, requestPayload: JsonType): Promise<void>;
+  protected validateResponsePayload<T extends JsonType>(
+    chargingStation: ChargingStation,
+    commandName: RequestCommand,
+    payload: T
+  ): boolean {
+    if (chargingStation.stationInfo?.ocppStrictCompliance === false) {
+      return true
+    }
+    const validate = this.payloadValidateFunctions.get(commandName)
+    if (validate?.(payload) === true) {
+      return true
+    }
+    logger.error(
+      `${chargingStation.logPrefix()} ${moduleName}.validateResponsePayload: Command '${commandName}' response PDU is invalid: %j`,
+      validate?.errors
+    )
+    throw new OCPPError(
+      OCPPServiceUtils.ajvErrorsToErrorType(validate?.errors),
+      'Response PDU is invalid',
+      commandName,
+      JSON.stringify(validate?.errors, undefined, 2)
+    )
+  }
+
+  protected emptyResponseHandler = Constants.EMPTY_FUNCTION
+
+  public abstract responseHandler<ReqType extends JsonType, ResType extends JsonType>(
+    chargingStation: ChargingStation,
+    commandName: RequestCommand,
+    payload: ResType,
+    requestPayload: ReqType
+  ): Promise<void>
 }