@addapptables/microservice
Version:
addapptables microservice
106 lines • 5.45 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
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 KafkaBusAdapter_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.KafkaBusAdapter = void 0;
const load_package_util_1 = require("../utils/load-package.util");
const constants_config_1 = require("../config/constants.config");
const logger_service_1 = require("../logger/services/logger.service");
const common_1 = require("@nestjs/common");
let kafkaPackage = {};
let KafkaBusAdapter = KafkaBusAdapter_1 = class KafkaBusAdapter {
constructor(logger) {
this.logger = logger;
this.options = {};
this.handles = new Map();
logger.setContext(KafkaBusAdapter_1.name);
kafkaPackage = (0, load_package_util_1.loadPackage)('kafkajs', KafkaBusAdapter_1.name, () => require('kafkajs'));
}
setOptions(options) {
this.options = options;
}
onInit() {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const clientId = (this.options.clientId || constants_config_1.KAFKA_DEFAULT_CLIENT) + '-client';
const brokers = this.options.brokers || [constants_config_1.KAFKA_DEFAULT_BROKER];
const groupId = (((_a = this.options) === null || _a === void 0 ? void 0 : _a.groupId) || constants_config_1.KAFKA_DEFAULT_GROUP) + '-client';
const kafka = new kafkaPackage.Kafka(Object.assign(this.options.client || {}, {
clientId: clientId,
brokers: brokers,
}));
this.producer = kafka.producer(this.options.producer || {});
// this.consumer = <Consumer>(
this.consumer = kafka.consumer(this.options.consumer || { groupId });
yield this.producer.connect();
yield this.consumer.connect();
});
}
publish(data) {
return __awaiter(this, void 0, void 0, function* () {
const topic = `${data.context}-${data.action}`;
yield this.producer.send({
topic,
messages: [{ value: JSON.stringify(data) }],
});
this.logger.debug(Object.assign(Object.assign({}, data), { sendData: true }), data.context);
});
}
subscribe(handle, data) {
return __awaiter(this, void 0, void 0, function* () {
const topic = `${data.context}-${data.action}`;
const handles = this.handles.get(topic) || [];
this.handles.set(topic, [...handles, handle]);
yield this.consumer.stop();
yield this.consumer.subscribe({ topic, fromBeginning: true });
yield this.listenMessages();
});
}
listenMessages() {
return __awaiter(this, void 0, void 0, function* () {
yield this.consumer.run({
eachMessage: ({ topic, message }) => __awaiter(this, void 0, void 0, function* () {
const msg = (JSON.parse(message.value.toString()));
try {
const handles = this.handles.get(topic);
handles.forEach((handle) => __awaiter(this, void 0, void 0, function* () { return yield handle(msg); }));
this.logger.debug(Object.assign(Object.assign({}, msg), { receivedData: true }), msg.context);
}
catch (error) {
this.logger.error({ message: error.message, msg }, KafkaBusAdapter_1.name, msg.context);
}
}),
});
});
}
close() {
return __awaiter(this, void 0, void 0, function* () {
yield this.consumer.stop();
yield this.consumer.disconnect();
yield this.producer.disconnect();
});
}
};
KafkaBusAdapter = KafkaBusAdapter_1 = __decorate([
(0, common_1.Injectable)({ scope: common_1.Scope.TRANSIENT }),
__metadata("design:paramtypes", [logger_service_1.CraftsLogger])
], KafkaBusAdapter);
exports.KafkaBusAdapter = KafkaBusAdapter;
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