X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Fui-server%2Fui-services%2FAbstractUIService.ts;h=7d4f69d0a784b1183883e66f04606f5584a2335e;hb=10db00b2276f4cc7a88dd18e8f6f80593d6458b3;hp=151cff336ce33b012a21b8e20d51cd2c9e7b2277;hpb=fe94fce08a020e0c35e354c2282ec0587a605f4e;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ui-server/ui-services/AbstractUIService.ts b/src/charging-station/ui-server/ui-services/AbstractUIService.ts
index 151cff33..7d4f69d0 100644
--- a/src/charging-station/ui-server/ui-services/AbstractUIService.ts
+++ b/src/charging-station/ui-server/ui-services/AbstractUIService.ts
@@ -1,65 +1,149 @@
+import BaseError from '../../../exception/BaseError';
+import { Bootstrap } from '../../../internal';
 import {
-  ProtocolCommand,
+  ProcedureName,
   ProtocolRequest,
   ProtocolRequestHandler,
+  ProtocolVersion,
+  RequestPayload,
+  ResponsePayload,
+  ResponseStatus,
 } from '../../../types/UIProtocol';
-
-import { AbstractUIServer } from '../AbstractUIServer';
-import BaseError from '../../../exception/BaseError';
-import { JsonType } from '../../../types/JsonType';
-import { RawData } from 'ws';
-import Utils from '../../../utils/Utils';
+import type {
+  BroadcastChannelProcedureName,
+  BroadcastChannelRequestPayload,
+} from '../../../types/WorkerBroadcastChannel';
 import logger from '../../../utils/Logger';
+import Utils from '../../../utils/Utils';
+import UIServiceWorkerBroadcastChannel from '../../UIServiceWorkerBroadcastChannel';
+import type { AbstractUIServer } from '../AbstractUIServer';
+
+const moduleName = 'AbstractUIService';
 
 export default abstract class AbstractUIService {
-  protected readonly uiServer: AbstractUIServer;
-  protected readonly messageHandlers: Map<ProtocolCommand, ProtocolRequestHandler>;
+  protected readonly requestHandlers: Map<ProcedureName, ProtocolRequestHandler>;
+  private readonly version: ProtocolVersion;
+  private readonly uiServer: AbstractUIServer;
+  private readonly uiServiceWorkerBroadcastChannel: UIServiceWorkerBroadcastChannel;
+  private readonly broadcastChannelRequests: Map<string, number>;
 
-  constructor(uiServer: AbstractUIServer) {
+  constructor(uiServer: AbstractUIServer, version: ProtocolVersion) {
+    this.version = version;
     this.uiServer = uiServer;
-    this.messageHandlers = new Map<ProtocolCommand, ProtocolRequestHandler>([
-      [ProtocolCommand.LIST_CHARGING_STATIONS, this.handleListChargingStations.bind(this)],
+    this.requestHandlers = new Map<ProcedureName, ProtocolRequestHandler>([
+      [ProcedureName.LIST_CHARGING_STATIONS, this.handleListChargingStations.bind(this)],
+      [ProcedureName.START_SIMULATOR, this.handleStartSimulator.bind(this)],
+      [ProcedureName.STOP_SIMULATOR, this.handleStopSimulator.bind(this)],
     ]);
+    this.uiServiceWorkerBroadcastChannel = new UIServiceWorkerBroadcastChannel(this);
+    this.broadcastChannelRequests = new Map<string, number>();
   }
 
-  public async messageHandler(request: RawData): Promise<void> {
-    let command: ProtocolCommand;
-    let payload: JsonType;
-    const protocolRequest = JSON.parse(request.toString()) as ProtocolRequest;
-    if (Utils.isIterable(protocolRequest)) {
-      [command, payload] = protocolRequest;
-    } else {
-      throw new BaseError('UI protocol request is not iterable');
-    }
-    let messageResponse: JsonType;
-    if (this.messageHandlers.has(command)) {
-      try {
-        // Call the message handler to build the message response
-        messageResponse = (await this.messageHandlers.get(command)(payload)) as JsonType;
-      } catch (error) {
-        // Log
-        logger.error(this.uiServer.logPrefix() + ' Handle message error: %j', error);
-        throw error;
+  public async requestHandler(request: ProtocolRequest): Promise<void> {
+    let messageId: string;
+    let command: ProcedureName;
+    let requestPayload: RequestPayload | undefined;
+    let responsePayload: ResponsePayload;
+    try {
+      [messageId, command, requestPayload] = request;
+
+      if (this.requestHandlers.has(command) === false) {
+        throw new BaseError(
+          `${command} is not implemented to handle message payload ${JSON.stringify(
+            requestPayload,
+            null,
+            2
+          )}`
+        );
       }
-    } else {
-      // Throw exception
-      throw new BaseError(
-        `${command} is not implemented to handle message payload ${JSON.stringify(
-          payload,
-          null,
-          2
-        )}`
-      );
+
+      // Call the request handler to build the response payload
+      responsePayload = await this.requestHandlers.get(command)(messageId, requestPayload);
+    } catch (error) {
+      // Log
+      logger.error(`${this.logPrefix(moduleName, 'messageHandler')} Handle request error:`, error);
+      responsePayload = {
+        status: ResponseStatus.FAILURE,
+        command,
+        requestPayload,
+        responsePayload,
+        errorMessage: (error as Error).message,
+        errorStack: (error as Error).stack,
+      };
+    }
+    // Send response for payload not forwarded to broadcast channel
+    if (responsePayload !== undefined) {
+      this.sendResponse(messageId ?? 'error', responsePayload);
     }
-    // Send the message response
-    this.uiServer.sendResponse(this.buildProtocolMessage(command, messageResponse));
   }
 
-  protected buildProtocolMessage(command: ProtocolCommand, payload: JsonType): string {
-    return JSON.stringify([command, payload]);
+  public sendRequest(
+    messageId: string,
+    procedureName: ProcedureName,
+    requestPayload: RequestPayload
+  ): void {
+    this.uiServer.sendRequest(
+      this.uiServer.buildProtocolRequest(messageId, procedureName, requestPayload)
+    );
+  }
+
+  public sendResponse(messageId: string, responsePayload: ResponsePayload): void {
+    this.uiServer.sendResponse(this.uiServer.buildProtocolResponse(messageId, responsePayload));
+  }
+
+  public logPrefix(modName: string, methodName: string): string {
+    return this.uiServer.logPrefix(modName, methodName, this.version);
+  }
+
+  public deleteBroadcastChannelRequest(uuid: string): void {
+    this.broadcastChannelRequests.delete(uuid);
+  }
+
+  public getBroadcastChannelExpectedResponses(uuid: string): number {
+    return this.broadcastChannelRequests.get(uuid) ?? 0;
+  }
+
+  protected sendBroadcastChannelRequest(
+    uuid: string,
+    procedureName: BroadcastChannelProcedureName,
+    payload: BroadcastChannelRequestPayload
+  ): void {
+    if (!Utils.isEmptyArray(payload.hashIds)) {
+      payload.hashIds = payload.hashIds
+        .map((hashId) => {
+          if (this.uiServer.chargingStations.has(hashId) === true) {
+            return hashId;
+          }
+          logger.warn(
+            `${this.logPrefix(
+              moduleName,
+              'sendBroadcastChannelRequest'
+            )} Charging station with hashId '${hashId}' not found`
+          );
+        })
+        .filter((hashId) => hashId !== undefined);
+    }
+    const expectedNumberOfResponses = !Utils.isEmptyArray(payload.hashIds)
+      ? payload.hashIds.length
+      : this.uiServer.chargingStations.size;
+    this.uiServiceWorkerBroadcastChannel.sendRequest([uuid, procedureName, payload]);
+    this.broadcastChannelRequests.set(uuid, expectedNumberOfResponses);
+  }
+
+  private handleListChargingStations(): ResponsePayload {
+    return {
+      status: ResponseStatus.SUCCESS,
+      chargingStations: [...this.uiServer.chargingStations.values()],
+    } as ResponsePayload;
+  }
+
+  private async handleStartSimulator(): Promise<ResponsePayload> {
+    await Bootstrap.getInstance().start();
+    return { status: ResponseStatus.SUCCESS };
   }
 
-  private handleListChargingStations(): JsonType {
-    return Array.from(this.uiServer.chargingStations);
+  private async handleStopSimulator(): Promise<ResponsePayload> {
+    await Bootstrap.getInstance().stop();
+    return { status: ResponseStatus.SUCCESS };
   }
 }