event-driven
Version:
makes building event-driven-architecture easy
118 lines (117 loc) • 6.51 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
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 __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.eventStoreInit = exports.durableNames = exports._maxRetryCount = exports._showEventPublishes = exports._showProcessTimeWarning = exports._showError = void 0;
__exportStar(require("./publisher"), exports);
__exportStar(require("./subscribers"), exports);
const backend_1 = require("./backend");
__exportStar(require("./backend"), exports);
const mongodb_1 = require("mongodb");
const models_1 = require("./backend/models");
const mongoose_1 = __importDefault(require("mongoose"));
exports._showError = false;
exports._showEventPublishes = false;
exports._maxRetryCount = 5;
const cron_1 = require("cron");
exports.durableNames = [];
const eventStoreInit = ({ subjects, MONGO_URI, dbName, jsm, maxRetryCount = 5, maxLogAgeSecs = 7 * 24 * 60 * 60, logs, }) => __awaiter(void 0, void 0, void 0, function* () {
exports._maxRetryCount = maxRetryCount;
exports._showEventPublishes = !!(logs === null || logs === void 0 ? void 0 : logs.showEventPublishes);
exports._showError = !!(logs === null || logs === void 0 ? void 0 : logs.showError);
exports._showProcessTimeWarning = logs === null || logs === void 0 ? void 0 : logs.showProcessTimeWarning;
try {
yield mongoose_1.default.connect(MONGO_URI, { dbName });
mongoose_1.default.connection.on('error', (err) => {
console.error('mongoose connection error - ', err);
process.exit();
});
mongoose_1.default.connection.on('disconnected', (err) => {
console.error('mongoose connection disconnected - ', err);
process.exit();
});
const runEventArbiter = () => __awaiter(void 0, void 0, void 0, function* () {
const [streamSummaries, streams] = yield Promise.all([models_1.StreamSummary.find({}), jsm.streams.list().next()]);
yield Promise.all(subjects
.map((subject) => ({ stream: subject.split('.')[0], subject }))
.reduce((a, c) => {
let index = a.findIndex((v) => v.stream === c.stream);
if (index >= 0) {
a[index].subjects.push(c.subject);
return a;
}
else
return [...a, { stream: c.stream, subjects: [c.subject] }];
}, [])
.map(({ stream, subjects }) => __awaiter(void 0, void 0, void 0, function* () {
if (!streams.find((s) => s.config.name === stream)) {
yield jsm.streams.add({
name: stream,
subjects: [`${stream}.*`, `${stream}.*.*`, `${stream}.*.*.*`],
max_age: 6 * 60 * 60 * 1000 * 1000 * 1000,
});
console.log(`New stream created: ${stream}`);
}
const exists = streamSummaries.find((s) => s.stream === stream);
if (exists) {
const newSubjects = subjects.filter((subject) => !exists.subjects.includes(subject));
if (newSubjects.length === 0)
return;
yield models_1.StreamSummary.updateOne({ stream }, { $addToSet: { subjects: { $each: newSubjects } } });
console.log(`stream summary updated: ${stream}`);
}
else {
yield new models_1.StreamSummary({ stream, subjects }).save();
console.log(`stream summary created: ${stream}`);
}
})));
new cron_1.CronJob('0 0 */1 * * *', () => __awaiter(void 0, void 0, void 0, function* () {
const _id = mongodb_1.ObjectId.createFromTime(Math.floor(new Date().getTime() / 1000) - maxLogAgeSecs);
yield models_1.Event.deleteMany({ _id: { $lt: _id } });
yield models_1.TriggerError.deleteMany({ _id: { $lt: _id } });
yield models_1.EventError.deleteMany({ _id: { $lt: _id } });
yield models_1.SubscriptionError.deleteMany({ _id: { $lt: _id } });
})).start();
new cron_1.CronJob('0 */15 * * * *', () => __awaiter(void 0, void 0, void 0, function* () {
yield models_1.EventError.updateMany({
updatedAt: { $lt: new Date(new Date().getTime() - 60 * 60 * 1000) },
errorCount: { $lt: exports._maxRetryCount },
isResolved: false,
}, { isResolved: true });
yield models_1.SubscriptionError.updateMany({
updatedAt: { $lt: new Date(new Date().getTime() - 60 * 60 * 1000) },
errorCount: { $lt: exports._maxRetryCount },
'error.message': { $ne: backend_1.__NO_ACK__ },
isResolved: false,
}, { isResolved: true });
})).start();
});
process.on('SIGINT', () => mongoose_1.default.connection.close());
return { runEventArbiter };
}
catch (err) {
console.error(err);
throw err;
}
});
exports.eventStoreInit = eventStoreInit;