Uecko_ERP/apps/server/src/index.ts
2025-04-22 17:09:57 +02:00

129 lines
4.0 KiB
TypeScript

import http from "http";
import { DateTime } from "luxon";
import { createApp } from "./app";
import { ENV } from "./config";
import { connectToDatabase } from "./config/database";
import { logger } from "./core/common/infrastructure/logger";
// Guardamos información del estado del servidor
export const currentState = {
launchedAt: DateTime.now(),
appPath: process.cwd(),
host: ENV.HOST,
port: ENV.PORT,
environment: ENV.NODE_ENV,
connections: {} as Record<string, any>,
};
// Manejo de cierre forzado del servidor (graceful shutdown)
const serverStop = (server: http.Server) => {
const forceTimeout = 30000;
return new Promise<void>((resolve, reject) => {
logger.warn("⚡️ Shutting down server");
setTimeout(() => {
logger.error("Could not close connections in time, forcefully shutting down");
resolve();
}, forceTimeout).unref();
server.close((err) => {
if (err) {
return reject(err);
}
logger.info("Closed out remaining connections.");
logger.info("❎ Bye!");
resolve();
});
});
};
// Manejo de errores al iniciar el servidor
const serverError = (error: NodeJS.ErrnoException) => {
logger.info(`⛔️ Server wasn't able to start properly.`);
if (error.code === "EADDRINUSE") {
logger.error(error.message);
//logger.error(`The port ${error.port} is already used by another application.`);
} else {
logger.error(error);
}
// Dependiendo de la criticidad, podrías forzar el proceso a salir
process.exit(1);
};
// Almacena en "connections" cada nueva conexión (descomentar si se quiere seguimiento)
const serverConnection = (conn: any) => {
const key = `${conn.remoteAddress}:${conn.remotePort}`;
currentState.connections[key] = conn;
conn.on("close", () => {
delete currentState.connections[key];
});
};
//const sequelizeConn = createSequelizeAdapter();
//const firebirdConn = createFirebirdAdapter();
// Crea el servidor HTTP
const server = http
.createServer(createApp())
.once("listening", () =>
process.on("SIGINT", async () => {
// Por ejemplo, podrías desconectar la base de datos aquí:
// firebirdConn.disconnect();
// O forzar desconexión en adapters
// sequelizeConn.close();
await serverStop(server);
})
)
.on("close", () =>
logger.info(`Shut down at: ${DateTime.now().toLocaleString(DateTime.DATETIME_FULL)}`)
)
.on("connection", serverConnection)
.on("error", serverError);
// Ejemplo de adapters de base de datos (descoméntalos si los necesitas)
// const sequelizeConn = createSequelizeAdapter();
// const firebirdConn = createFirebirdAdapter();
// Manejo de promesas no capturadas
process.on("unhandledRejection", (reason: any, promise: Promise<any>) => {
logger.error("❌ Unhandled rejection at:", promise, "reason:", reason);
// Dependiendo de la aplicación, podrías desear una salida total o un cierre controlado
process.exit(1);
});
// Manejo de excepciones no controladas
process.on("uncaughtException", (error: Error) => {
// firebirdConn.disconnect();
logger.error(`❌ Uncaught exception:`, error.message);
logger.error(error.stack);
// process.exit(1);
});
// Arranca el servidor si la conexión a la base de datos va bien
(async () => {
try {
const now = DateTime.now();
logger.info(`Time: ${now.toLocaleString(DateTime.DATETIME_FULL)} ${now.zoneName}`);
logger.info(`Launched in: ${now.diff(currentState.launchedAt).toMillis()} ms`);
logger.info(`Environment: ${currentState.environment}`);
logger.info(`Process PID: ${process.pid}`);
await connectToDatabase();
// Lógica de inicialización de DB, si procede:
// initStructure(sequelizeConn.connection);
// insertUsers();
server.listen(currentState.port, () => {
logger.info("To shut down your server, press <CTRL> + C at any time");
logger.info(`⚡️ Server: http://${currentState.host}:${currentState.port}`);
});
} catch (error) {
serverError(error as NodeJS.ErrnoException);
}
})();