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89b7a234 JB |
1 | import { RequestCommand } from '../types/ocpp/Requests'; |
2 | import { | |
3 | StartTransactionRequest, | |
4 | StartTransactionResponse, | |
5 | StopTransactionReason, | |
6 | StopTransactionRequest, | |
7 | StopTransactionResponse, | |
8 | } from '../types/ocpp/Transaction'; | |
9 | import { | |
10 | BroadcastChannelProcedureName, | |
11 | BroadcastChannelRequest, | |
12 | } from '../types/WorkerBroadcastChannel'; | |
13 | import ChargingStation from './ChargingStation'; | |
1598b27c | 14 | import WorkerBroadcastChannel from './WorkerBroadcastChannel'; |
89b7a234 JB |
15 | |
16 | type MessageEvent = { data: unknown }; | |
17 | ||
1598b27c | 18 | export default class ChargingStationWorkerBroadcastChannel extends WorkerBroadcastChannel { |
89b7a234 JB |
19 | private readonly chargingStation: ChargingStation; |
20 | ||
21 | constructor(chargingStation: ChargingStation) { | |
1598b27c | 22 | super(); |
89b7a234 JB |
23 | this.chargingStation = chargingStation; |
24 | this.onmessage = this.handleRequest.bind(this) as (message: MessageEvent) => void; | |
25 | } | |
26 | ||
27 | private async handleRequest(messageEvent: MessageEvent): Promise<void> { | |
28 | const [, command, payload] = messageEvent.data as BroadcastChannelRequest; | |
29 | ||
30 | if (payload.hashId !== this.chargingStation.hashId) { | |
31 | return; | |
32 | } | |
33 | ||
34 | // TODO: return a response stating the command success or failure | |
35 | switch (command) { | |
36 | case BroadcastChannelProcedureName.START_TRANSACTION: | |
37 | await this.chargingStation.ocppRequestService.requestHandler< | |
38 | StartTransactionRequest, | |
39 | StartTransactionResponse | |
40 | >(this.chargingStation, RequestCommand.START_TRANSACTION, { | |
41 | connectorId: payload.connectorId, | |
42 | idTag: payload.idTag, | |
43 | }); | |
44 | break; | |
45 | case BroadcastChannelProcedureName.STOP_TRANSACTION: | |
46 | await this.chargingStation.ocppRequestService.requestHandler< | |
47 | StopTransactionRequest, | |
48 | StopTransactionResponse | |
49 | >(this.chargingStation, RequestCommand.STOP_TRANSACTION, { | |
50 | transactionId: payload.transactionId, | |
51 | meterStop: this.chargingStation.getEnergyActiveImportRegisterByTransactionId( | |
52 | payload.transactionId | |
53 | ), | |
54 | idTag: this.chargingStation.getTransactionIdTag(payload.transactionId), | |
55 | reason: StopTransactionReason.NONE, | |
56 | }); | |
57 | break; | |
58 | case BroadcastChannelProcedureName.START_CHARGING_STATION: | |
59 | this.chargingStation.start(); | |
60 | break; | |
61 | case BroadcastChannelProcedureName.STOP_CHARGING_STATION: | |
62 | await this.chargingStation.stop(); | |
63 | break; | |
64 | } | |
65 | } | |
66 | } |