coddyger/dist/services/transporter.service.js

Coddyger est une bibliothèque JavaScript/TypeScript qui fournit des fonctions communes et des plugins pour la gestion des données, la communication entre services, et des utilitaires avancés pour le développement d'applications.

"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());
    });
};
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TransporterService = void 0;
const kafkajs_1 = require("kafkajs");
const globals_1 = __importDefault(require("../globals"));
const logger_service_1 = require("./logger.service");
const coddyger_1 = __importDefault(require("../coddyger"));
function logError(error, location, method) {
    return __awaiter(this, void 0, void 0, function* () {
        logger_service_1.LoggerService.log({
            type: logger_service_1.LogLevel.Error,
            content: JSON.stringify(error),
            location,
            method
        });
    });
}
function handleRemove(dao, _id, label) {
    return __awaiter(this, void 0, void 0, function* () {
        const result = yield dao.remove({ _id });
        if (result.error) {
            yield logError(result, 'TransporterCore', `${label}-remove`);
        }
        else {
            coddyger_1.default.konsole(`${label} removed successfully :: ${_id}`);
        }
    });
}
function handleCreate(dao, data, label) {
    return __awaiter(this, void 0, void 0, function* () {
        const result = yield dao.save(data);
        if (result.error) {
            yield logError(result, 'TransporterCore', `${label}-save`);
        }
        else {
            coddyger_1.default.konsole(`${label} saved successfully :: ${data._id}`);
        }
    });
}
function handleUpdate(dao, _id, data, label) {
    return __awaiter(this, void 0, void 0, function* () {
        const result = yield dao.update({ _id }, data);
        if (result.error) {
            yield logError(result, 'TransporterCore', `${label}-update`);
        }
        else {
            coddyger_1.default.konsole(`${label} edited successfully :: ${_id}`);
        }
    });
}
function handleNoCrud(data, handler, label) {
    return __awaiter(this, void 0, void 0, function* () {
        try {
            yield handler(data);
            coddyger_1.default.konsole(`${label} no-crud action executed successfully`);
        }
        catch (error) {
            yield logError(error, 'TransporterCore', `${label}-no-crud`);
        }
    });
}
function getData(data, set, label) {
    return __awaiter(this, void 0, void 0, function* () {
        const _id = data._id;
        const dao = new set();
        try {
            if (!_id) {
                throw new Error('Missing _id in data');
            }
            if (!coddyger_1.default.string.isValidObjectId(_id)) {
                yield logError('Wrong _id detected::' + _id, 'TransporterCore', 'getData');
                return;
            }
            if (data.action === 'remove') {
                yield handleRemove(dao, _id, label);
                return;
            }
            const existResult = yield dao.exist({ _id });
            if (existResult && typeof existResult === 'object' && 'error' in existResult) {
                yield logError(existResult.error, 'TransporterCore', `${label}-exist`);
                return;
            }
            if (!existResult) {
                yield handleCreate(dao, data, label);
            }
            else {
                const { _id } = data, updateData = __rest(data, ["_id"]);
                yield handleUpdate(dao, _id, updateData, label);
            }
        }
        catch (error) {
            yield logError(error, 'TransporterCore', 'getData');
        }
    });
}
class TransporterService {
    constructor(topics) {
        this.topics = [];
        this.isConnected = false;
        this.reconnectAttempts = 0;
        this.MAX_RECONNECT_ATTEMPTS = 5;
        this.kafka = new kafkajs_1.Kafka({
            clientId: globals_1.default.transporter.client,
            brokers: globals_1.default.transporter.broker.split(','),
            logLevel: kafkajs_1.logLevel.ERROR
        });
        this.producer = this.kafka.producer();
        this.consumer = this.kafka.consumer({
            groupId: globals_1.default.transporter.group
        });
        this.topics = topics || [];
    }
    send(value, topic) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                if (!this.isConnected) {
                    yield this.connect();
                }
                yield this.producer.send({
                    topic: !coddyger_1.default.string.isEmpty(topic) ? topic : globals_1.default.transporter.topic,
                    messages: [{ value }]
                });
            }
            catch (error) {
                yield logError(error, 'TransporterService', 'send');
                throw error;
            }
        });
    }
    connect() {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                yield Promise.all([
                    this.producer.connect(),
                    this.consumer.connect()
                ]);
                this.isConnected = true;
                this.reconnectAttempts = 0;
                coddyger_1.default.konsole(`Transporter connected! :: ${globals_1.default.transporter.broker}`);
            }
            catch (error) {
                this.isConnected = false;
                yield logError(error, 'TransporterService', 'connect');
                throw error;
            }
        });
    }
    disconnect() {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                yield Promise.all([
                    this.producer.disconnect(),
                    this.consumer.disconnect()
                ]);
                this.isConnected = false;
                coddyger_1.default.konsole('Transporter disconnected successfully');
            }
            catch (error) {
                yield logError(error, 'TransporterService', 'disconnect');
                throw error;
            }
        });
    }
    handleReconnect() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.reconnectAttempts >= this.MAX_RECONNECT_ATTEMPTS) {
                yield logError('Max reconnection attempts reached', 'TransporterService', 'handleReconnect');
                return;
            }
            this.reconnectAttempts++;
            try {
                yield this.connect();
            }
            catch (error) {
                yield logError(error, 'TransporterService', 'handleReconnect');
                setTimeout(() => this.handleReconnect(), 5000 * this.reconnectAttempts);
            }
        });
    }
    handleEvent(data, topic) {
        return __awaiter(this, void 0, void 0, function* () {
            const action = data.action;
            if (action === 'remove' && topic.set) {
                yield getData(data, topic.set, topic.id);
                return;
            }
            if (topic.handlers && topic.handlers[action]) {
                try {
                    yield topic.handlers[action](data);
                    coddyger_1.default.konsole(`Event ${action} handled successfully for topic ${topic.id}`);
                    return;
                }
                catch (error) {
                    yield logError(error, 'TransporterService', `${topic.id}-${action}`);
                    return;
                }
            }
            if (topic.set && !action) {
                yield getData(data, topic.set, topic.id);
                return;
            }
            yield logError(`No handler found for action ${action} in topic ${topic.id}`, 'TransporterService', 'handleEvent');
        });
    }
    get() {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                yield this.connect();
                for (const topic of this.topics) {
                    yield this.consumer.subscribe({
                        topic: topic.id,
                        fromBeginning: true
                    });
                }
                yield this.consumer.run({
                    eachMessage: (payload) => __awaiter(this, void 0, void 0, function* () {
                        try {
                            const msg = {
                                partition: payload.partition,
                                offset: payload.message.offset,
                                value: payload.message.value.toString()
                            };
                            coddyger_1.default.konsole(`Consuming from :: ${payload.topic}`);
                            const data = JSON.parse(msg.value);
                            for (const topic of this.topics) {
                                if (payload.topic === topic.id) {
                                    yield this.handleEvent(data, topic);
                                }
                            }
                        }
                        catch (error) {
                            yield logError(error, 'TransporterService', 'eachMessage');
                        }
                    }),
                    autoCommit: true
                });
            }
            catch (error) {
                yield logError(error, 'TransporterService', 'get');
                yield this.handleReconnect();
            }
        });
    }
}
exports.TransporterService = TransporterService;