yandex-cloud-functions-router/dist/routers/iotMessageRouter.js

Node router for Yandex Cloud Functions

"use strict";
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.iotMessageRouter = void 0;
const log_1 = require("../helpers/log");
const routerError_1 = require("../models/routerError");
const validateRegistryId = (context, registryIds, message) => {
    if (registryIds) {
        const result = registryIds.some((registryId) => registryId === message.details.registry_id);
        log_1.debug(context.requestId, `Validating reugistry id: ${result ? 'valid' : 'invalid'}`, {
            request: message.details.registry_id,
            route: registryIds
        });
        return result;
    }
    else {
        return true;
    }
};
const validateDeviceId = (context, deviceIds, message) => {
    if (deviceIds) {
        const result = deviceIds.some((deviceId) => deviceId === message.details.device_id);
        log_1.debug(context.requestId, `Validating device id: ${result ? 'valid' : 'invalid'}`, {
            request: message.details.device_id,
            route: deviceIds
        });
        return result;
    }
    else {
        return true;
    }
};
const validateMqttTopic = (context, mqttTopics, message) => {
    if (mqttTopics) {
        const result = mqttTopics.some((mqttTopic) => mqttTopic === message.details.mqtt_topic);
        log_1.debug(context.requestId, `Validating MQTT topic: ${result ? 'valid' : 'invalid'}`, {
            request: message.details.mqtt_topic,
            route: mqttTopics
        });
        return result;
    }
    else {
        return true;
    }
};
const iotMessageRouter = (routes, event, message, context) => __awaiter(void 0, void 0, void 0, function* () {
    log_1.debug(context.requestId, 'IoT Core processing started', {});
    for (const { registryId, deviceId, mqttTopic, handler } of routes) {
        const matched = validateRegistryId(context, registryId, message) &&
            validateDeviceId(context, deviceId, message) &&
            validateMqttTopic(context, mqttTopic, message);
        log_1.debug(context.requestId, 'IoT Core matching completed', {
            matched,
            message,
            registryId: registryId !== null && registryId !== void 0 ? registryId : '',
            deviceId: deviceId !== null && deviceId !== void 0 ? deviceId : '',
            mqttTopic: mqttTopic !== null && mqttTopic !== void 0 ? mqttTopic : ''
        });
        if (matched) {
            const result = handler(event, context, message);
            log_1.debug(context.requestId, 'IoT Core processed', {});
            return result instanceof Promise ? result : Promise.resolve(result);
        }
    }
    log_1.log('WARN', context.requestId, 'There is no matched route', {});
    throw new routerError_1.NoMatchedRouteError('There is no matched route.');
});
exports.iotMessageRouter = iotMessageRouter;