fix(simulator): fix empty array detection helper semantic

[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / OCPPServiceUtils.ts

diff --git a/src/charging-station/ocpp/OCPPServiceUtils.ts b/src/charging-station/ocpp/OCPPServiceUtils.ts
index 08618941d3308dfe7602d92df1726c599efb6552..3fced606ba29e6b003aa1b16c0bafdcb4a3f533e 100644 (file)
--- a/src/charging-station/ocpp/OCPPServiceUtils.ts
+++ b/src/charging-station/ocpp/OCPPServiceUtils.ts
@@ -1,6 +1,9 @@
-import type { DefinedError, ErrorObject } from 'ajv';
+import fs from 'node:fs';
+
+import type { DefinedError, ErrorObject, JSONSchemaType } from 'ajv';
 
 import BaseError from '../../exception/BaseError';
+import { FileType } from '../../types/FileType';
 import type { JsonObject, JsonType } from '../../types/JsonType';
 import type { SampledValueTemplate } from '../../types/MeasurandPerPhaseSampledValueTemplates';
 import type { OCPP16StatusNotificationRequest } from '../../types/ocpp/1.6/Requests';
@@ -9,6 +12,7 @@ import { ChargePointErrorCode } from '../../types/ocpp/ChargePointErrorCode';
 import { StandardParametersKey } from '../../types/ocpp/Configuration';
 import type { ConnectorStatusEnum } from '../../types/ocpp/ConnectorStatusEnum';
 import { ErrorType } from '../../types/ocpp/ErrorType';
+import { MessageType } from '../../types/ocpp/MessageType';
 import { MeterValueMeasurand, type MeterValuePhase } from '../../types/ocpp/MeterValues';
 import { OCPPVersion } from '../../types/ocpp/OCPPVersion';
 import {
@@ -18,6 +22,7 @@ import {
   type StatusNotificationRequest,
 } from '../../types/ocpp/Requests';
 import Constants from '../../utils/Constants';
+import FileUtils from '../../utils/FileUtils';
 import logger from '../../utils/Logger';
 import Utils from '../../utils/Utils';
 import type ChargingStation from '../ChargingStation';
@@ -44,6 +49,19 @@ export class OCPPServiceUtils {
     return ErrorType.FORMAT_VIOLATION;
   }
 
+  public static getMessageTypeString(messageType: MessageType): string {
+    switch (messageType) {
+      case MessageType.CALL_MESSAGE:
+        return 'request';
+      case MessageType.CALL_RESULT_MESSAGE:
+        return 'response';
+      case MessageType.CALL_ERROR_MESSAGE:
+        return 'error';
+      default:
+        return 'unknown';
+    }
+  }
+
   public static isRequestCommandSupported(
     chargingStation: ChargingStation,
     command: RequestCommand
@@ -150,6 +168,25 @@ export class OCPPServiceUtils {
     }
   }
 
+  protected static parseJsonSchemaFile<T extends JsonType>(
+    filePath: string,
+    ocppVersion: OCPPVersion,
+    moduleName?: string,
+    methodName?: string
+  ): JSONSchemaType<T> {
+    try {
+      return JSON.parse(fs.readFileSync(filePath, 'utf8')) as JSONSchemaType<T>;
+    } catch (error) {
+      FileUtils.handleFileException(
+        filePath,
+        FileType.JsonSchema,
+        error as NodeJS.ErrnoException,
+        OCPPServiceUtils.logPrefix(ocppVersion, moduleName, methodName),
+        { throwError: false }
+      );
+    }
+  }
+
   protected static getSampledValueTemplate(
     chargingStation: ChargingStation,
     connectorId: number,
@@ -168,7 +205,7 @@ export class OCPPServiceUtils {
       ChargingStationConfigurationUtils.getConfigurationKey(
         chargingStation,
         StandardParametersKey.MeterValuesSampledData
-      )?.value.includes(measurand) === false
+      )?.value?.includes(measurand) === false
     ) {
       logger.debug(
         `${chargingStation.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${
@@ -178,10 +215,10 @@ export class OCPPServiceUtils {
       return;
     }
     const sampledValueTemplates: SampledValueTemplate[] =
-      chargingStation.getConnectorStatus(connectorId).MeterValues;
+      chargingStation.getConnectorStatus(connectorId)?.MeterValues;
     for (
       let index = 0;
-      Utils.isEmptyArray(sampledValueTemplates) === false && index < sampledValueTemplates.length;
+      Utils.isNotEmptyArray(sampledValueTemplates) === true && index < sampledValueTemplates.length;
       index++
     ) {
       if (
@@ -200,7 +237,7 @@ export class OCPPServiceUtils {
         ChargingStationConfigurationUtils.getConfigurationKey(
           chargingStation,
           StandardParametersKey.MeterValuesSampledData
-        )?.value.includes(measurand) === true
+        )?.value?.includes(measurand) === true
       ) {
         return sampledValueTemplates[index];
       } else if (
@@ -210,7 +247,7 @@ export class OCPPServiceUtils {
         ChargingStationConfigurationUtils.getConfigurationKey(
           chargingStation,
           StandardParametersKey.MeterValuesSampledData
-        )?.value.includes(measurand) === true
+        )?.value?.includes(measurand) === true
       ) {
         return sampledValueTemplates[index];
       } else if (
@@ -247,4 +284,16 @@ export class OCPPServiceUtils {
       ? Math.min(numberValue * options.unitMultiplier, limit)
       : numberValue * options.unitMultiplier;
   }
+
+  private static logPrefix = (
+    ocppVersion: OCPPVersion,
+    moduleName?: string,
+    methodName?: string
+  ): string => {
+    const logMsg =
+      Utils.isNotEmptyString(moduleName) && Utils.isNotEmptyString(methodName)
+        ? ` OCPP ${ocppVersion} | ${moduleName}.${methodName}:`
+        : ` OCPP ${ocppVersion} |`;
+    return Utils.logPrefix(logMsg);
+  };
 }