| 1 | import crypto from 'node:crypto'; |
| 2 | import path from 'path'; |
| 3 | import { fileURLToPath } from 'url'; |
| 4 | |
| 5 | import moment from 'moment'; |
| 6 | |
| 7 | import type ChargingStation from './ChargingStation'; |
| 8 | import BaseError from '../exception/BaseError'; |
| 9 | import type { ChargingStationInfo } from '../types/ChargingStationInfo'; |
| 10 | import { |
| 11 | AmpereUnits, |
| 12 | type ChargingStationTemplate, |
| 13 | CurrentType, |
| 14 | Voltage, |
| 15 | } from '../types/ChargingStationTemplate'; |
| 16 | import { ChargingProfileKindType, RecurrencyKindType } from '../types/ocpp/1.6/ChargingProfile'; |
| 17 | import type { OCPP16BootNotificationRequest } from '../types/ocpp/1.6/Requests'; |
| 18 | import { BootReasonEnumType, type OCPP20BootNotificationRequest } from '../types/ocpp/2.0/Requests'; |
| 19 | import { |
| 20 | type ChargingProfile, |
| 21 | ChargingRateUnitType, |
| 22 | type ChargingSchedulePeriod, |
| 23 | } from '../types/ocpp/ChargingProfile'; |
| 24 | import { OCPPVersion } from '../types/ocpp/OCPPVersion'; |
| 25 | import type { BootNotificationRequest } from '../types/ocpp/Requests'; |
| 26 | import { WorkerProcessType } from '../types/Worker'; |
| 27 | import Configuration from '../utils/Configuration'; |
| 28 | import Constants from '../utils/Constants'; |
| 29 | import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils'; |
| 30 | import logger from '../utils/Logger'; |
| 31 | import Utils from '../utils/Utils'; |
| 32 | |
| 33 | const moduleName = 'ChargingStationUtils'; |
| 34 | |
| 35 | export class ChargingStationUtils { |
| 36 | private constructor() { |
| 37 | // This is intentional |
| 38 | } |
| 39 | |
| 40 | public static getChargingStationId( |
| 41 | index: number, |
| 42 | stationTemplate: ChargingStationTemplate |
| 43 | ): string { |
| 44 | // In case of multiple instances: add instance index to charging station id |
| 45 | const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0; |
| 46 | const idSuffix = stationTemplate.nameSuffix ?? ''; |
| 47 | const idStr = `000000000${index.toString()}`; |
| 48 | return stationTemplate?.fixedName |
| 49 | ? stationTemplate.baseName |
| 50 | : `${stationTemplate.baseName}-${instanceIndex.toString()}${idStr.substring( |
| 51 | idStr.length - 4 |
| 52 | )}${idSuffix}`; |
| 53 | } |
| 54 | |
| 55 | public static getHashId(index: number, stationTemplate: ChargingStationTemplate): string { |
| 56 | const chargingStationInfo = { |
| 57 | chargePointModel: stationTemplate.chargePointModel, |
| 58 | chargePointVendor: stationTemplate.chargePointVendor, |
| 59 | ...(!Utils.isUndefined(stationTemplate.chargeBoxSerialNumberPrefix) && { |
| 60 | chargeBoxSerialNumber: stationTemplate.chargeBoxSerialNumberPrefix, |
| 61 | }), |
| 62 | ...(!Utils.isUndefined(stationTemplate.chargePointSerialNumberPrefix) && { |
| 63 | chargePointSerialNumber: stationTemplate.chargePointSerialNumberPrefix, |
| 64 | }), |
| 65 | // FIXME?: Should a firmware version change always reference a new configuration file? |
| 66 | ...(!Utils.isUndefined(stationTemplate.firmwareVersion) && { |
| 67 | firmwareVersion: stationTemplate.firmwareVersion, |
| 68 | }), |
| 69 | ...(!Utils.isUndefined(stationTemplate.iccid) && { iccid: stationTemplate.iccid }), |
| 70 | ...(!Utils.isUndefined(stationTemplate.imsi) && { imsi: stationTemplate.imsi }), |
| 71 | ...(!Utils.isUndefined(stationTemplate.meterSerialNumberPrefix) && { |
| 72 | meterSerialNumber: stationTemplate.meterSerialNumberPrefix, |
| 73 | }), |
| 74 | ...(!Utils.isUndefined(stationTemplate.meterType) && { |
| 75 | meterType: stationTemplate.meterType, |
| 76 | }), |
| 77 | }; |
| 78 | return crypto |
| 79 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) |
| 80 | .update( |
| 81 | `${JSON.stringify(chargingStationInfo)}${ChargingStationUtils.getChargingStationId( |
| 82 | index, |
| 83 | stationTemplate |
| 84 | )}` |
| 85 | ) |
| 86 | .digest('hex'); |
| 87 | } |
| 88 | |
| 89 | public static getTemplateMaxNumberOfConnectors(stationTemplate: ChargingStationTemplate): number { |
| 90 | const templateConnectors = stationTemplate?.Connectors; |
| 91 | if (!templateConnectors) { |
| 92 | return -1; |
| 93 | } |
| 94 | return Object.keys(templateConnectors).length; |
| 95 | } |
| 96 | |
| 97 | public static checkTemplateMaxConnectors( |
| 98 | templateMaxConnectors: number, |
| 99 | templateFile: string, |
| 100 | logPrefix: string |
| 101 | ): void { |
| 102 | if (templateMaxConnectors === 0) { |
| 103 | logger.warn( |
| 104 | `${logPrefix} Charging station information from template ${templateFile} with empty connectors configuration` |
| 105 | ); |
| 106 | } else if (templateMaxConnectors < 0) { |
| 107 | logger.error( |
| 108 | `${logPrefix} Charging station information from template ${templateFile} with no connectors configuration defined` |
| 109 | ); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | public static getConfiguredNumberOfConnectors(stationTemplate: ChargingStationTemplate): number { |
| 114 | let configuredMaxConnectors: number; |
| 115 | if (Utils.isEmptyArray(stationTemplate.numberOfConnectors) === false) { |
| 116 | const numberOfConnectors = stationTemplate.numberOfConnectors as number[]; |
| 117 | configuredMaxConnectors = |
| 118 | numberOfConnectors[Math.floor(Utils.secureRandom() * numberOfConnectors.length)]; |
| 119 | } else if (Utils.isUndefined(stationTemplate.numberOfConnectors) === false) { |
| 120 | configuredMaxConnectors = stationTemplate.numberOfConnectors as number; |
| 121 | } else { |
| 122 | configuredMaxConnectors = stationTemplate?.Connectors[0] |
| 123 | ? ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate) - 1 |
| 124 | : ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate); |
| 125 | } |
| 126 | return configuredMaxConnectors; |
| 127 | } |
| 128 | |
| 129 | public static checkConfiguredMaxConnectors( |
| 130 | configuredMaxConnectors: number, |
| 131 | templateFile: string, |
| 132 | logPrefix: string |
| 133 | ): void { |
| 134 | if (configuredMaxConnectors <= 0) { |
| 135 | logger.warn( |
| 136 | `${logPrefix} Charging station information from template ${templateFile} with ${configuredMaxConnectors} connectors` |
| 137 | ); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | public static createBootNotificationRequest( |
| 142 | stationInfo: ChargingStationInfo, |
| 143 | bootReason: BootReasonEnumType = BootReasonEnumType.PowerUp |
| 144 | ): BootNotificationRequest { |
| 145 | const ocppVersion = stationInfo.ocppVersion ?? OCPPVersion.VERSION_16; |
| 146 | switch (ocppVersion) { |
| 147 | case OCPPVersion.VERSION_16: |
| 148 | return { |
| 149 | chargePointModel: stationInfo.chargePointModel, |
| 150 | chargePointVendor: stationInfo.chargePointVendor, |
| 151 | ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && { |
| 152 | chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumber, |
| 153 | }), |
| 154 | ...(!Utils.isUndefined(stationInfo.chargePointSerialNumber) && { |
| 155 | chargePointSerialNumber: stationInfo.chargePointSerialNumber, |
| 156 | }), |
| 157 | ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { |
| 158 | firmwareVersion: stationInfo.firmwareVersion, |
| 159 | }), |
| 160 | ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), |
| 161 | ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), |
| 162 | ...(!Utils.isUndefined(stationInfo.meterSerialNumber) && { |
| 163 | meterSerialNumber: stationInfo.meterSerialNumber, |
| 164 | }), |
| 165 | ...(!Utils.isUndefined(stationInfo.meterType) && { |
| 166 | meterType: stationInfo.meterType, |
| 167 | }), |
| 168 | } as OCPP16BootNotificationRequest; |
| 169 | case OCPPVersion.VERSION_20: |
| 170 | case OCPPVersion.VERSION_201: |
| 171 | return { |
| 172 | reason: bootReason, |
| 173 | chargingStation: { |
| 174 | model: stationInfo.chargePointModel, |
| 175 | vendorName: stationInfo.chargePointVendor, |
| 176 | ...(!Utils.isUndefined(stationInfo.firmwareVersion) && { |
| 177 | firmwareVersion: stationInfo.firmwareVersion, |
| 178 | }), |
| 179 | ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && { |
| 180 | serialNumber: stationInfo.chargeBoxSerialNumber, |
| 181 | }), |
| 182 | ...((!Utils.isUndefined(stationInfo.iccid) || !Utils.isUndefined(stationInfo.imsi)) && { |
| 183 | modem: { |
| 184 | ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }), |
| 185 | ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }), |
| 186 | }, |
| 187 | }), |
| 188 | }, |
| 189 | } as OCPP20BootNotificationRequest; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | public static workerPoolInUse(): boolean { |
| 194 | return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes( |
| 195 | Configuration.getWorker().processType |
| 196 | ); |
| 197 | } |
| 198 | |
| 199 | public static workerDynamicPoolInUse(): boolean { |
| 200 | return Configuration.getWorker().processType === WorkerProcessType.DYNAMIC_POOL; |
| 201 | } |
| 202 | |
| 203 | public static warnDeprecatedTemplateKey( |
| 204 | template: ChargingStationTemplate, |
| 205 | key: string, |
| 206 | templateFile: string, |
| 207 | logPrefix: string, |
| 208 | logMsgToAppend = '' |
| 209 | ): void { |
| 210 | if (!Utils.isUndefined(template[key])) { |
| 211 | logger.warn( |
| 212 | `${logPrefix} Deprecated template key '${key}' usage in file '${templateFile}'${ |
| 213 | logMsgToAppend && `. ${logMsgToAppend}` |
| 214 | }` |
| 215 | ); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | public static convertDeprecatedTemplateKey( |
| 220 | template: ChargingStationTemplate, |
| 221 | deprecatedKey: string, |
| 222 | key: string |
| 223 | ): void { |
| 224 | if (!Utils.isUndefined(template[deprecatedKey])) { |
| 225 | template[key] = template[deprecatedKey] as unknown; |
| 226 | delete template[deprecatedKey]; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | public static stationTemplateToStationInfo( |
| 231 | stationTemplate: ChargingStationTemplate |
| 232 | ): ChargingStationInfo { |
| 233 | stationTemplate = Utils.cloneObject(stationTemplate); |
| 234 | delete stationTemplate.power; |
| 235 | delete stationTemplate.powerUnit; |
| 236 | delete stationTemplate.Configuration; |
| 237 | delete stationTemplate.AutomaticTransactionGenerator; |
| 238 | delete stationTemplate.chargeBoxSerialNumberPrefix; |
| 239 | delete stationTemplate.chargePointSerialNumberPrefix; |
| 240 | delete stationTemplate.meterSerialNumberPrefix; |
| 241 | return stationTemplate as unknown as ChargingStationInfo; |
| 242 | } |
| 243 | |
| 244 | public static createStationInfoHash(stationInfo: ChargingStationInfo): void { |
| 245 | delete stationInfo.infoHash; |
| 246 | stationInfo.infoHash = crypto |
| 247 | .createHash(Constants.DEFAULT_HASH_ALGORITHM) |
| 248 | .update(JSON.stringify(stationInfo)) |
| 249 | .digest('hex'); |
| 250 | } |
| 251 | |
| 252 | public static createSerialNumber( |
| 253 | stationTemplate: ChargingStationTemplate, |
| 254 | stationInfo: ChargingStationInfo, |
| 255 | params: { |
| 256 | randomSerialNumberUpperCase?: boolean; |
| 257 | randomSerialNumber?: boolean; |
| 258 | } = { |
| 259 | randomSerialNumberUpperCase: true, |
| 260 | randomSerialNumber: true, |
| 261 | } |
| 262 | ): void { |
| 263 | params = params ?? {}; |
| 264 | params.randomSerialNumberUpperCase = params?.randomSerialNumberUpperCase ?? true; |
| 265 | params.randomSerialNumber = params?.randomSerialNumber ?? true; |
| 266 | const serialNumberSuffix = params?.randomSerialNumber |
| 267 | ? ChargingStationUtils.getRandomSerialNumberSuffix({ |
| 268 | upperCase: params.randomSerialNumberUpperCase, |
| 269 | }) |
| 270 | : ''; |
| 271 | stationInfo.chargePointSerialNumber = |
| 272 | !Utils.isEmptyString(stationTemplate?.chargePointSerialNumberPrefix) && |
| 273 | `${stationTemplate.chargePointSerialNumberPrefix}${serialNumberSuffix}`; |
| 274 | stationInfo.chargeBoxSerialNumber = |
| 275 | !Utils.isEmptyString(stationTemplate?.chargeBoxSerialNumberPrefix) && |
| 276 | `${stationTemplate.chargeBoxSerialNumberPrefix}${serialNumberSuffix}`; |
| 277 | stationInfo.meterSerialNumber = |
| 278 | !Utils.isEmptyString(stationTemplate?.meterSerialNumberPrefix) && |
| 279 | `${stationTemplate.meterSerialNumberPrefix}${serialNumberSuffix}`; |
| 280 | } |
| 281 | |
| 282 | public static propagateSerialNumber( |
| 283 | stationTemplate: ChargingStationTemplate, |
| 284 | stationInfoSrc: ChargingStationInfo, |
| 285 | stationInfoDst: ChargingStationInfo |
| 286 | ) { |
| 287 | if (!stationInfoSrc || !stationTemplate) { |
| 288 | throw new BaseError( |
| 289 | 'Missing charging station template or existing configuration to propagate serial number' |
| 290 | ); |
| 291 | } |
| 292 | stationTemplate?.chargePointSerialNumberPrefix && stationInfoSrc?.chargePointSerialNumber |
| 293 | ? (stationInfoDst.chargePointSerialNumber = stationInfoSrc.chargePointSerialNumber) |
| 294 | : stationInfoDst?.chargePointSerialNumber && delete stationInfoDst.chargePointSerialNumber; |
| 295 | stationTemplate?.chargeBoxSerialNumberPrefix && stationInfoSrc?.chargeBoxSerialNumber |
| 296 | ? (stationInfoDst.chargeBoxSerialNumber = stationInfoSrc.chargeBoxSerialNumber) |
| 297 | : stationInfoDst?.chargeBoxSerialNumber && delete stationInfoDst.chargeBoxSerialNumber; |
| 298 | stationTemplate?.meterSerialNumberPrefix && stationInfoSrc?.meterSerialNumber |
| 299 | ? (stationInfoDst.meterSerialNumber = stationInfoSrc.meterSerialNumber) |
| 300 | : stationInfoDst?.meterSerialNumber && delete stationInfoDst.meterSerialNumber; |
| 301 | } |
| 302 | |
| 303 | public static getAmperageLimitationUnitDivider(stationInfo: ChargingStationInfo): number { |
| 304 | let unitDivider = 1; |
| 305 | switch (stationInfo.amperageLimitationUnit) { |
| 306 | case AmpereUnits.DECI_AMPERE: |
| 307 | unitDivider = 10; |
| 308 | break; |
| 309 | case AmpereUnits.CENTI_AMPERE: |
| 310 | unitDivider = 100; |
| 311 | break; |
| 312 | case AmpereUnits.MILLI_AMPERE: |
| 313 | unitDivider = 1000; |
| 314 | break; |
| 315 | } |
| 316 | return unitDivider; |
| 317 | } |
| 318 | |
| 319 | public static getChargingStationConnectorChargingProfilesPowerLimit( |
| 320 | chargingStation: ChargingStation, |
| 321 | connectorId: number |
| 322 | ): number | undefined { |
| 323 | let limit: number, matchingChargingProfile: ChargingProfile; |
| 324 | let chargingProfiles: ChargingProfile[] = []; |
| 325 | // Get charging profiles for connector and sort by stack level |
| 326 | chargingProfiles = chargingStation |
| 327 | .getConnectorStatus(connectorId) |
| 328 | ?.chargingProfiles?.sort((a, b) => b.stackLevel - a.stackLevel); |
| 329 | // Get profiles on connector 0 |
| 330 | if (chargingStation.getConnectorStatus(0)?.chargingProfiles) { |
| 331 | chargingProfiles.push( |
| 332 | ...chargingStation |
| 333 | .getConnectorStatus(0) |
| 334 | .chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel) |
| 335 | ); |
| 336 | } |
| 337 | if (!Utils.isEmptyArray(chargingProfiles)) { |
| 338 | const result = ChargingStationUtils.getLimitFromChargingProfiles( |
| 339 | chargingProfiles, |
| 340 | chargingStation.logPrefix() |
| 341 | ); |
| 342 | if (!Utils.isNullOrUndefined(result)) { |
| 343 | limit = result?.limit; |
| 344 | matchingChargingProfile = result?.matchingChargingProfile; |
| 345 | switch (chargingStation.getCurrentOutType()) { |
| 346 | case CurrentType.AC: |
| 347 | limit = |
| 348 | matchingChargingProfile.chargingSchedule.chargingRateUnit === |
| 349 | ChargingRateUnitType.WATT |
| 350 | ? limit |
| 351 | : ACElectricUtils.powerTotal( |
| 352 | chargingStation.getNumberOfPhases(), |
| 353 | chargingStation.getVoltageOut(), |
| 354 | limit |
| 355 | ); |
| 356 | break; |
| 357 | case CurrentType.DC: |
| 358 | limit = |
| 359 | matchingChargingProfile.chargingSchedule.chargingRateUnit === |
| 360 | ChargingRateUnitType.WATT |
| 361 | ? limit |
| 362 | : DCElectricUtils.power(chargingStation.getVoltageOut(), limit); |
| 363 | } |
| 364 | const connectorMaximumPower = |
| 365 | chargingStation.getMaximumPower() / chargingStation.powerDivider; |
| 366 | if (limit > connectorMaximumPower) { |
| 367 | logger.error( |
| 368 | `${chargingStation.logPrefix()} Charging profile id ${ |
| 369 | matchingChargingProfile.chargingProfileId |
| 370 | } limit ${limit} is greater than connector id ${connectorId} maximum ${connectorMaximumPower}: %j`, |
| 371 | result |
| 372 | ); |
| 373 | limit = connectorMaximumPower; |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | return limit; |
| 378 | } |
| 379 | |
| 380 | public static getDefaultVoltageOut( |
| 381 | currentType: CurrentType, |
| 382 | templateFile: string, |
| 383 | logPrefix: string |
| 384 | ): Voltage { |
| 385 | const errMsg = `Unknown ${currentType} currentOutType in template file ${templateFile}, cannot define default voltage out`; |
| 386 | let defaultVoltageOut: number; |
| 387 | switch (currentType) { |
| 388 | case CurrentType.AC: |
| 389 | defaultVoltageOut = Voltage.VOLTAGE_230; |
| 390 | break; |
| 391 | case CurrentType.DC: |
| 392 | defaultVoltageOut = Voltage.VOLTAGE_400; |
| 393 | break; |
| 394 | default: |
| 395 | logger.error(`${logPrefix} ${errMsg}`); |
| 396 | throw new BaseError(errMsg); |
| 397 | } |
| 398 | return defaultVoltageOut; |
| 399 | } |
| 400 | |
| 401 | public static getAuthorizationFile(stationInfo: ChargingStationInfo): string | undefined { |
| 402 | return ( |
| 403 | stationInfo.authorizationFile && |
| 404 | path.join( |
| 405 | path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'), |
| 406 | 'assets', |
| 407 | path.basename(stationInfo.authorizationFile) |
| 408 | ) |
| 409 | ); |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Charging profiles should already be sorted by connectorId and stack level (highest stack level has priority) |
| 414 | * |
| 415 | * @param chargingProfiles - |
| 416 | * @param logPrefix - |
| 417 | * @returns |
| 418 | */ |
| 419 | private static getLimitFromChargingProfiles( |
| 420 | chargingProfiles: ChargingProfile[], |
| 421 | logPrefix: string |
| 422 | ): { |
| 423 | limit: number; |
| 424 | matchingChargingProfile: ChargingProfile; |
| 425 | } | null { |
| 426 | const debugLogMsg = `${logPrefix} ${moduleName}.getLimitFromChargingProfiles: Matching charging profile found for power limitation: %j`; |
| 427 | for (const chargingProfile of chargingProfiles) { |
| 428 | // Set helpers |
| 429 | const currentMoment = moment(); |
| 430 | const chargingSchedule = chargingProfile.chargingSchedule; |
| 431 | // Check type (recurring) and if it is already active |
| 432 | // Adjust the daily recurring schedule to today |
| 433 | if ( |
| 434 | chargingProfile.chargingProfileKind === ChargingProfileKindType.RECURRING && |
| 435 | chargingProfile.recurrencyKind === RecurrencyKindType.DAILY && |
| 436 | currentMoment.isAfter(chargingSchedule.startSchedule) |
| 437 | ) { |
| 438 | const currentDate = new Date(); |
| 439 | chargingSchedule.startSchedule = new Date(chargingSchedule.startSchedule); |
| 440 | chargingSchedule.startSchedule.setFullYear( |
| 441 | currentDate.getFullYear(), |
| 442 | currentDate.getMonth(), |
| 443 | currentDate.getDate() |
| 444 | ); |
| 445 | // Check if the start of the schedule is yesterday |
| 446 | if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { |
| 447 | chargingSchedule.startSchedule.setDate(currentDate.getDate() - 1); |
| 448 | } |
| 449 | } else if (moment(chargingSchedule.startSchedule).isAfter(currentMoment)) { |
| 450 | return null; |
| 451 | } |
| 452 | // Check if the charging profile is active |
| 453 | if ( |
| 454 | moment(chargingSchedule.startSchedule) |
| 455 | .add(chargingSchedule.duration, 's') |
| 456 | .isAfter(currentMoment) |
| 457 | ) { |
| 458 | let lastButOneSchedule: ChargingSchedulePeriod; |
| 459 | // Search the right schedule period |
| 460 | for (const schedulePeriod of chargingSchedule.chargingSchedulePeriod) { |
| 461 | // Handling of only one period |
| 462 | if ( |
| 463 | chargingSchedule.chargingSchedulePeriod.length === 1 && |
| 464 | schedulePeriod.startPeriod === 0 |
| 465 | ) { |
| 466 | const result = { |
| 467 | limit: schedulePeriod.limit, |
| 468 | matchingChargingProfile: chargingProfile, |
| 469 | }; |
| 470 | logger.debug(debugLogMsg, result); |
| 471 | return result; |
| 472 | } |
| 473 | // Find the right schedule period |
| 474 | if ( |
| 475 | moment(chargingSchedule.startSchedule) |
| 476 | .add(schedulePeriod.startPeriod, 's') |
| 477 | .isAfter(currentMoment) |
| 478 | ) { |
| 479 | // Found the schedule: last but one is the correct one |
| 480 | const result = { |
| 481 | limit: lastButOneSchedule.limit, |
| 482 | matchingChargingProfile: chargingProfile, |
| 483 | }; |
| 484 | logger.debug(debugLogMsg, result); |
| 485 | return result; |
| 486 | } |
| 487 | // Keep it |
| 488 | lastButOneSchedule = schedulePeriod; |
| 489 | // Handle the last schedule period |
| 490 | if ( |
| 491 | schedulePeriod.startPeriod === |
| 492 | chargingSchedule.chargingSchedulePeriod[ |
| 493 | chargingSchedule.chargingSchedulePeriod.length - 1 |
| 494 | ].startPeriod |
| 495 | ) { |
| 496 | const result = { |
| 497 | limit: lastButOneSchedule.limit, |
| 498 | matchingChargingProfile: chargingProfile, |
| 499 | }; |
| 500 | logger.debug(debugLogMsg, result); |
| 501 | return result; |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | return null; |
| 507 | } |
| 508 | |
| 509 | private static getRandomSerialNumberSuffix(params?: { |
| 510 | randomBytesLength?: number; |
| 511 | upperCase?: boolean; |
| 512 | }): string { |
| 513 | const randomSerialNumberSuffix = crypto |
| 514 | .randomBytes(params?.randomBytesLength ?? 16) |
| 515 | .toString('hex'); |
| 516 | if (params?.upperCase) { |
| 517 | return randomSerialNumberSuffix.toUpperCase(); |
| 518 | } |
| 519 | return randomSerialNumberSuffix; |
| 520 | } |
| 521 | } |