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edd13439 | 1 | // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved. |
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2 | |
3 | import type { JSONSchemaType } from 'ajv'; | |
4 | ||
78202038 | 5 | import { OCPP20ServiceUtils } from './OCPP20ServiceUtils'; |
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6 | import OCPPError from '../../../exception/OCPPError'; |
7 | import type { JsonObject, JsonType } from '../../../types/JsonType'; | |
d270cc87 | 8 | import { |
96a52d08 | 9 | type OCPP20BootNotificationRequest, |
81533a20 | 10 | type OCPP20HeartbeatRequest, |
d270cc87 | 11 | OCPP20RequestCommand, |
6e939d9e | 12 | type OCPP20StatusNotificationRequest, |
d270cc87 | 13 | } from '../../../types/ocpp/2.0/Requests'; |
953d6b02 | 14 | import { ErrorType } from '../../../types/ocpp/ErrorType'; |
d270cc87 | 15 | import { OCPPVersion } from '../../../types/ocpp/OCPPVersion'; |
953d6b02 | 16 | import type { RequestParams } from '../../../types/ocpp/Requests'; |
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17 | import Utils from '../../../utils/Utils'; |
18 | import type ChargingStation from '../../ChargingStation'; | |
4d20f040 | 19 | import OCPPConstants from '../OCPPConstants'; |
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20 | import OCPPRequestService from '../OCPPRequestService'; |
21 | import type OCPPResponseService from '../OCPPResponseService'; | |
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22 | |
23 | const moduleName = 'OCPP20RequestService'; | |
24 | ||
25 | export default class OCPP20RequestService extends OCPPRequestService { | |
b3fc3ff5 | 26 | protected jsonSchemas: Map<OCPP20RequestCommand, JSONSchemaType<JsonObject>>; |
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27 | |
28 | public constructor(ocppResponseService: OCPPResponseService) { | |
29 | if (new.target?.name === moduleName) { | |
30 | throw new TypeError(`Cannot construct ${new.target?.name} instances directly`); | |
31 | } | |
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32 | super(OCPPVersion.VERSION_20, ocppResponseService); |
33 | this.jsonSchemas = new Map<OCPP20RequestCommand, JSONSchemaType<JsonObject>>([ | |
34 | [ | |
35 | OCPP20RequestCommand.BOOT_NOTIFICATION, | |
130783a7 | 36 | OCPP20ServiceUtils.parseJsonSchemaFile<OCPP20BootNotificationRequest>( |
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37 | '../../../assets/json-schemas/ocpp/2.0/BootNotificationRequest.json' |
38 | ), | |
d270cc87 | 39 | ], |
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40 | [ |
41 | OCPP20RequestCommand.HEARTBEAT, | |
130783a7 | 42 | OCPP20ServiceUtils.parseJsonSchemaFile<OCPP20HeartbeatRequest>( |
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43 | '../../../assets/json-schemas/ocpp/2.0/HeartbeatRequest.json' |
44 | ), | |
81533a20 | 45 | ], |
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46 | [ |
47 | OCPP20RequestCommand.STATUS_NOTIFICATION, | |
130783a7 | 48 | OCPP20ServiceUtils.parseJsonSchemaFile<OCPP20StatusNotificationRequest>( |
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49 | '../../../assets/json-schemas/ocpp/2.0/StatusNotificationRequest.json' |
50 | ), | |
6e939d9e | 51 | ], |
d270cc87 | 52 | ]); |
953d6b02 | 53 | this.buildRequestPayload.bind(this); |
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54 | } |
55 | ||
56 | public async requestHandler<RequestType extends JsonType, ResponseType extends JsonType>( | |
57 | chargingStation: ChargingStation, | |
58 | commandName: OCPP20RequestCommand, | |
59 | commandParams?: JsonType, | |
60 | params?: RequestParams | |
61 | ): Promise<ResponseType> { | |
62 | if (OCPP20ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true) { | |
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63 | return (await this.sendMessage( |
64 | chargingStation, | |
65 | Utils.generateUUID(), | |
18bf8274 | 66 | this.buildRequestPayload<RequestType>(chargingStation, commandName, commandParams), |
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67 | commandName, |
68 | params | |
69 | )) as unknown as ResponseType; | |
70 | } | |
71 | // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError(). | |
72 | throw new OCPPError( | |
73 | ErrorType.NOT_SUPPORTED, | |
74 | `Unsupported OCPP command '${commandName}'`, | |
75 | commandName, | |
76 | commandParams | |
77 | ); | |
78 | } | |
79 | ||
80 | private buildRequestPayload<Request extends JsonType>( | |
81 | chargingStation: ChargingStation, | |
82 | commandName: OCPP20RequestCommand, | |
83 | commandParams?: JsonType | |
84 | ): Request { | |
85 | commandParams = commandParams as JsonObject; | |
86 | switch (commandName) { | |
d270cc87 | 87 | case OCPP20RequestCommand.BOOT_NOTIFICATION: |
36c462a4 | 88 | return commandParams as unknown as Request; |
81533a20 | 89 | case OCPP20RequestCommand.HEARTBEAT: |
4d20f040 | 90 | return OCPPConstants.OCPP_RESPONSE_EMPTY as unknown as Request; |
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91 | case OCPP20RequestCommand.STATUS_NOTIFICATION: |
92 | return { | |
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93 | timestamp: new Date(), |
94 | ...commandParams, | |
6e939d9e | 95 | } as unknown as Request; |
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96 | default: |
97 | // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError(). | |
98 | throw new OCPPError( | |
99 | ErrorType.NOT_SUPPORTED, | |
100 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions | |
101 | `Unsupported OCPP command '${commandName}'`, | |
102 | commandName, | |
103 | commandParams | |
104 | ); | |
105 | } | |
106 | } | |
953d6b02 | 107 | } |