@citrineos/reporting/dist/module/services.js

The reporting module for OCPP v2.0.1. This module is not intended to be used directly, but rather as a dependency for other modules.

"use strict";
// Copyright Contributors to the CitrineOS Project
//
// SPDX-License-Identifier: Apache 2.0
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DeviceModelService = void 0;
const base_1 = require("@citrineos/base");
class DeviceModelService {
    constructor(deviceModelRepository) {
        this._deviceModelRepository = deviceModelRepository;
    }
    /**
     * Fetches the ItemsPerMessage attribute from the device model.
     * Returns null if no such attribute exists.
     * @param stationId Charging station identifier.
     * @returns ItemsPerMessage as a number or null if no such attribute exists.
     */
    getItemsPerMessageByComponentAndVariableInstanceAndStationId(componentName, variableInstance, stationId) {
        return __awaiter(this, void 0, void 0, function* () {
            const itemsPerMessageAttributes = yield this._deviceModelRepository.readAllByQuerystring({
                stationId: stationId,
                component_name: componentName,
                variable_name: 'ItemsPerMessage',
                variable_instance: variableInstance,
                type: base_1.OCPP2_0_1.AttributeEnumType.Actual,
            });
            if (itemsPerMessageAttributes.length === 0) {
                return null;
            }
            else {
                // It is possible for itemsPerMessageAttributes.length > 1 if component instances or evses
                // are associated with alternate options. That structure is not supported by this logic, and that
                // structure is a violation of Part 2 - Specification of OCPP 2.0.1.
                return Number(itemsPerMessageAttributes[0].value);
            }
        });
    }
    /**
     * Fetches the BytesPerMessage attribute from the device model.
     * Returns null if no such attribute exists.
     * It is possible for there to be multiple BytesPerMessage attributes if component instances or evses
     * are associated with alternate options. That structure is not supported by this logic, and that
     * structure is a violation of Part 2 - Specification of OCPP 2.0.1.
     * In that case, the first attribute will be returned.
     * @param stationId Charging station identifier.
     * @returns BytesPerMessage as a number or null if no such attribute exists.
     */
    getBytesPerMessageByComponentAndVariableInstanceAndStationId(componentName, variableInstance, stationId) {
        return __awaiter(this, void 0, void 0, function* () {
            const bytesPerMessageAttributes = yield this._deviceModelRepository.readAllByQuerystring({
                stationId: stationId,
                component_name: componentName,
                variable_name: 'BytesPerMessage',
                variable_instance: variableInstance,
                type: base_1.OCPP2_0_1.AttributeEnumType.Actual,
            });
            if (bytesPerMessageAttributes.length === 0) {
                return null;
            }
            else {
                // It is possible for bytesPerMessageAttributes.length > 1 if component instances or evses
                // are associated with alternate options. That structure is not supported by this logic, and that
                // structure is a violation of Part 2 - Specification of OCPP 2.0.1.
                return Number(bytesPerMessageAttributes[0].value);
            }
        });
    }
}
exports.DeviceModelService = DeviceModelService;
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