Merge pull request #1033 from SAP/dependabot/npm_and_yarn/typescript-5.4.5
[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / 2.0 / OCPP20IncomingRequestService.ts
index db509ecd9ba939ba8c99241604cdc15c6e968f6b..b1cd51fc8e935a7cebfe05a935a623ca4e41dc6c 100644 (file)
@@ -1,8 +1,7 @@
-// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2024. All Rights Reserved.
 
-import type { JSONSchemaType } from 'ajv'
+import type { ValidateFunction } from 'ajv'
 
-import { OCPP20ServiceUtils } from './OCPP20ServiceUtils.js'
 import type { ChargingStation } from '../../../charging-station/index.js'
 import { OCPPError } from '../../../exception/index.js'
 import {
@@ -13,13 +12,15 @@ import {
   OCPP20IncomingRequestCommand,
   OCPPVersion
 } from '../../../types/index.js'
-import { logger } from '../../../utils/index.js'
+import { isAsyncFunction, logger } from '../../../utils/index.js'
 import { OCPPIncomingRequestService } from '../OCPPIncomingRequestService.js'
+import { OCPP20ServiceUtils } from './OCPP20ServiceUtils.js'
 
 const moduleName = 'OCPP20IncomingRequestService'
 
 export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
-  protected jsonSchemas: Map<OCPP20IncomingRequestCommand, JSONSchemaType<JsonType>>
+  protected payloadValidateFunctions: Map<OCPP20IncomingRequestCommand, ValidateFunction<JsonType>>
+
   private readonly incomingRequestHandlers: Map<
   OCPP20IncomingRequestCommand,
   IncomingRequestHandler
@@ -29,25 +30,28 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
     // if (new.target.name === moduleName) {
     //   throw new TypeError(`Cannot construct ${new.target.name} instances directly`)
     // }
-    super(OCPPVersion.VERSION_20)
+    super(OCPPVersion.VERSION_201)
     this.incomingRequestHandlers = new Map<OCPP20IncomingRequestCommand, IncomingRequestHandler>([
       [OCPP20IncomingRequestCommand.CLEAR_CACHE, this.handleRequestClearCache.bind(this)]
     ])
-    this.jsonSchemas = new Map<OCPP20IncomingRequestCommand, JSONSchemaType<JsonType>>([
+    this.payloadValidateFunctions = new Map<
+    OCPP20IncomingRequestCommand,
+    ValidateFunction<JsonType>
+    >([
       [
         OCPP20IncomingRequestCommand.CLEAR_CACHE,
-        OCPP20ServiceUtils.parseJsonSchemaFile<OCPP20ClearCacheRequest>(
-          'assets/json-schemas/ocpp/2.0/ClearCacheRequest.json',
-          moduleName,
-          'constructor'
-        )
+        this.ajv
+          .compile(
+            OCPP20ServiceUtils.parseJsonSchemaFile<OCPP20ClearCacheRequest>(
+              'assets/json-schemas/ocpp/2.0/ClearCacheRequest.json',
+              moduleName,
+              'constructor'
+            )
+          )
+          .bind(this)
       ]
     ])
-    this.validatePayload = this.validatePayload.bind(this) as (
-      chargingStation: ChargingStation,
-      commandName: OCPP20IncomingRequestCommand,
-      commandPayload: JsonType
-    ) => boolean
+    this.validatePayload = this.validatePayload.bind(this)
   }
 
   public async incomingRequestHandler<ReqType extends JsonType, ResType extends JsonType>(
@@ -87,10 +91,12 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
           this.validatePayload(chargingStation, commandName, commandPayload)
           // Call the method to build the response
           // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-          response = (await this.incomingRequestHandlers.get(commandName)!(
-            chargingStation,
-            commandPayload
-          )) as ResType
+          const incomingRequestHandler = this.incomingRequestHandlers.get(commandName)!
+          if (isAsyncFunction(incomingRequestHandler)) {
+            response = (await incomingRequestHandler(chargingStation, commandPayload)) as ResType
+          } else {
+            response = incomingRequestHandler(chargingStation, commandPayload) as ResType
+          }
         } catch (error) {
           // Log
           logger.error(
@@ -103,7 +109,7 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
         // Throw exception
         throw new OCPPError(
           ErrorType.NOT_IMPLEMENTED,
-          `${commandName} is not implemented to handle request PDU ${JSON.stringify(
+          `'${commandName}' is not implemented to handle request PDU ${JSON.stringify(
             commandPayload,
             undefined,
             2
@@ -119,7 +125,7 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
           commandPayload,
           undefined,
           2
-        )} while the charging station is not registered on the central server.`,
+        )} while the charging station is not registered on the central server`,
         commandName,
         commandPayload
       )
@@ -131,6 +137,8 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
       response,
       commandName
     )
+    // Emit command name event to allow delayed handling
+    this.emit(commandName, chargingStation, commandPayload, response)
   }
 
   private validatePayload (
@@ -138,17 +146,11 @@ export class OCPP20IncomingRequestService extends OCPPIncomingRequestService {
     commandName: OCPP20IncomingRequestCommand,
     commandPayload: JsonType
   ): boolean {
-    if (this.jsonSchemas.has(commandName)) {
-      return this.validateIncomingRequestPayload(
-        chargingStation,
-        commandName,
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        this.jsonSchemas.get(commandName)!,
-        commandPayload
-      )
+    if (this.payloadValidateFunctions.has(commandName)) {
+      return this.validateIncomingRequestPayload(chargingStation, commandName, commandPayload)
     }
     logger.warn(
-      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`
+      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema validation function found for command '${commandName}' PDU validation`
     )
     return false
   }