@acadix/setup
Version:
Acadix Learning Management System backend application project setup
64 lines • 2.9 kB
JavaScript
;
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 });
const logger_1 = require("../../logger");
const kafkajs_1 = require("kafkajs");
class KafkaManager {
constructor(env) {
this.env = env;
const { host, port } = this.env.KAFKA;
this.kafkaConfig = new kafkajs_1.Kafka({
clientId: this.env.SERVICE,
brokers: [`${host}:${port}`],
});
this.producer = this.kafkaConfig.producer();
this.consumer = this.kafkaConfig.consumer({ groupId: this.env.SERVICE });
this.logger = (0, logger_1.Logger)(this.env);
}
connectKafka() {
return __awaiter(this, void 0, void 0, function* () {
yield this.producer.connect();
yield this.consumer.connect();
this.logger.info("Kafka connected successfully");
});
}
disconnectKafka() {
return __awaiter(this, void 0, void 0, function* () {
yield this.producer.disconnect();
yield this.consumer.disconnect();
this.logger.info("Kafka disconnected successfully");
});
}
sendMessage(topic, message) {
return __awaiter(this, void 0, void 0, function* () {
return this.producer.send({ topic, messages: [{ value: message }] });
});
}
connectMessage(topics) {
return __awaiter(this, void 0, void 0, function* () {
yield Promise.all(topics.map((topic) => __awaiter(this, void 0, void 0, function* () {
yield this.consumer.subscribe({ topic, fromBeginning: true });
})));
yield this.consumer.run({
eachMessage: ({ topic, partition, message }) => __awaiter(this, void 0, void 0, function* () {
if (!message || !message.value) {
return;
}
const data = JSON.parse(message.value.toString());
this.logger.info(data, topic, partition);
return data;
}),
});
});
}
}
exports.default = KafkaManager;
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