1 import type { DefinedError
, ErrorObject
} from
'ajv';
3 import BaseError from
'../../exception/BaseError';
4 import type { JsonObject
, JsonType
} from
'../../types/JsonType';
5 import type { SampledValueTemplate
} from
'../../types/MeasurandPerPhaseSampledValueTemplates';
6 import type { OCPP16StatusNotificationRequest
} from
'../../types/ocpp/1.6/Requests';
7 import type { OCPP20StatusNotificationRequest
} from
'../../types/ocpp/2.0/Requests';
8 import { ChargePointErrorCode
} from
'../../types/ocpp/ChargePointErrorCode';
9 import { StandardParametersKey
} from
'../../types/ocpp/Configuration';
10 import type { ConnectorStatusEnum
} from
'../../types/ocpp/ConnectorStatusEnum';
11 import { ErrorType
} from
'../../types/ocpp/ErrorType';
12 import { MeterValueMeasurand
, type MeterValuePhase
} from
'../../types/ocpp/MeterValues';
13 import { OCPPVersion
} from
'../../types/ocpp/OCPPVersion';
15 IncomingRequestCommand
,
18 type StatusNotificationRequest
,
19 } from
'../../types/ocpp/Requests';
20 import Constants from
'../../utils/Constants';
21 import logger from
'../../utils/Logger';
22 import Utils from
'../../utils/Utils';
23 import type ChargingStation from
'../ChargingStation';
24 import { ChargingStationConfigurationUtils
} from
'../ChargingStationConfigurationUtils';
26 export class OCPPServiceUtils
{
27 protected constructor() {
28 // This is intentional
31 public static ajvErrorsToErrorType(errors
: ErrorObject
[]): ErrorType
{
32 for (const error
of errors
as DefinedError
[]) {
33 switch (error
.keyword
) {
35 return ErrorType
.TYPE_CONSTRAINT_VIOLATION
;
38 return ErrorType
.OCCURRENCE_CONSTRAINT_VIOLATION
;
41 return ErrorType
.PROPERTY_CONSTRAINT_VIOLATION
;
44 return ErrorType
.FORMAT_VIOLATION
;
47 public static isRequestCommandSupported(
48 chargingStation
: ChargingStation
,
49 command
: RequestCommand
51 const isRequestCommand
= Object.values
<RequestCommand
>(RequestCommand
).includes(command
);
53 isRequestCommand
=== true &&
54 !chargingStation
.stationInfo
?.commandsSupport
?.outgoingCommands
58 isRequestCommand
=== true &&
59 chargingStation
.stationInfo
?.commandsSupport
?.outgoingCommands
61 return chargingStation
.stationInfo
?.commandsSupport
?.outgoingCommands
[command
] ?? false;
63 logger
.error(`${chargingStation.logPrefix()} Unknown outgoing OCPP command '${command}'`);
67 public static isIncomingRequestCommandSupported(
68 chargingStation
: ChargingStation
,
69 command
: IncomingRequestCommand
71 const isIncomingRequestCommand
=
72 Object.values
<IncomingRequestCommand
>(IncomingRequestCommand
).includes(command
);
74 isIncomingRequestCommand
=== true &&
75 !chargingStation
.stationInfo
?.commandsSupport
?.incomingCommands
79 isIncomingRequestCommand
=== true &&
80 chargingStation
.stationInfo
?.commandsSupport
?.incomingCommands
82 return chargingStation
.stationInfo
?.commandsSupport
?.incomingCommands
[command
] ?? false;
84 logger
.error(`${chargingStation.logPrefix()} Unknown incoming OCPP command '${command}'`);
88 public static isMessageTriggerSupported(
89 chargingStation
: ChargingStation
,
90 messageTrigger
: MessageTrigger
92 const isMessageTrigger
= Object.values(MessageTrigger
).includes(messageTrigger
);
93 if (isMessageTrigger
=== true && !chargingStation
.stationInfo
?.messageTriggerSupport
) {
95 } else if (isMessageTrigger
=== true && chargingStation
.stationInfo
?.messageTriggerSupport
) {
96 return chargingStation
.stationInfo
?.messageTriggerSupport
[messageTrigger
] ?? false;
99 `${chargingStation.logPrefix()} Unknown incoming OCPP message trigger '${messageTrigger}'`
104 public static isConnectorIdValid(
105 chargingStation
: ChargingStation
,
106 ocppCommand
: IncomingRequestCommand
,
109 if (connectorId
< 0) {
111 `${chargingStation.logPrefix()} ${ocppCommand} incoming request received with invalid connector Id ${connectorId}`
118 public static convertDateToISOString
<T
extends JsonType
>(obj
: T
): void {
119 for (const key
in obj
) {
120 if (obj
[key
] instanceof Date) {
121 (obj
as JsonObject
)[key
] = (obj
[key
] as Date).toISOString();
122 } else if (obj
[key
] !== null && typeof obj
[key
] === 'object') {
123 this.convertDateToISOString
<T
>(obj
[key
] as T
);
128 public static buildStatusNotificationRequest(
129 chargingStation
: ChargingStation
,
131 status: ConnectorStatusEnum
132 ): StatusNotificationRequest
{
133 switch (chargingStation
.stationInfo
.ocppVersion
) {
134 case OCPPVersion
.VERSION_16
:
138 errorCode
: ChargePointErrorCode
.NO_ERROR
,
139 } as OCPP16StatusNotificationRequest
;
140 case OCPPVersion
.VERSION_20
:
141 case OCPPVersion
.VERSION_201
:
143 timestamp
: new Date(),
144 connectorStatus
: status,
147 } as OCPP20StatusNotificationRequest
;
151 protected static getSampledValueTemplate(
152 chargingStation
: ChargingStation
,
154 measurand
: MeterValueMeasurand
= MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
,
155 phase
?: MeterValuePhase
156 ): SampledValueTemplate
| undefined {
157 const onPhaseStr
= phase
? `on phase ${phase} ` : '';
158 if (Constants
.SUPPORTED_MEASURANDS
.includes(measurand
) === false) {
160 `${chargingStation.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
165 measurand
!== MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
&&
166 ChargingStationConfigurationUtils
.getConfigurationKey(
168 StandardParametersKey
.MeterValuesSampledData
169 )?.value
.includes(measurand
) === false
172 `${chargingStation.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${
173 StandardParametersKey.MeterValuesSampledData
178 const sampledValueTemplates
: SampledValueTemplate
[] =
179 chargingStation
.getConnectorStatus(connectorId
).MeterValues
;
182 Utils
.isEmptyArray(sampledValueTemplates
) === false && index
< sampledValueTemplates
.length
;
186 Constants
.SUPPORTED_MEASURANDS
.includes(
187 sampledValueTemplates
[index
]?.measurand
??
188 MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
192 `${chargingStation.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
196 sampledValueTemplates
[index
]?.phase
=== phase
&&
197 sampledValueTemplates
[index
]?.measurand
=== measurand
&&
198 ChargingStationConfigurationUtils
.getConfigurationKey(
200 StandardParametersKey
.MeterValuesSampledData
201 )?.value
.includes(measurand
) === true
203 return sampledValueTemplates
[index
];
206 !sampledValueTemplates
[index
].phase
&&
207 sampledValueTemplates
[index
]?.measurand
=== measurand
&&
208 ChargingStationConfigurationUtils
.getConfigurationKey(
210 StandardParametersKey
.MeterValuesSampledData
211 )?.value
.includes(measurand
) === true
213 return sampledValueTemplates
[index
];
215 measurand
=== MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
&&
216 (!sampledValueTemplates
[index
].measurand
||
217 sampledValueTemplates
[index
].measurand
=== measurand
)
219 return sampledValueTemplates
[index
];
222 if (measurand
=== MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
) {
223 const errorMsg
= `Missing MeterValues for default measurand '${measurand}' in template on connectorId ${connectorId}`;
224 logger
.error(`${chargingStation.logPrefix()} ${errorMsg}`);
225 throw new BaseError(errorMsg
);
228 `${chargingStation.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
232 protected static getLimitFromSampledValueTemplateCustomValue(
235 options
: { limitationEnabled
?: boolean; unitMultiplier
?: number } = {
236 limitationEnabled
: true,
240 options
.limitationEnabled
= options
?.limitationEnabled
?? true;
241 options
.unitMultiplier
= options
?.unitMultiplier
?? 1;
242 const parsedInt
= parseInt(value
);
243 const numberValue
= isNaN(parsedInt
) ? Infinity : parsedInt
;
244 return options
?.limitationEnabled
245 ? Math.min(numberValue
* options
.unitMultiplier
, limit
)
246 : numberValue
* options
.unitMultiplier
;