feat(v1 logger): added in a logger to monitor the old app

app/src/pkg/logger/v1Listener.ts

@@ -0,0 +1,70 @@
+import { Client } from "pg";
+import { createLogger } from "./logger.js";
+
+type NewLog = {
+	level: string;
+	username: string;
+	service: string;
+	message: string;
+	checked: boolean;
+	add_Date: Date;
+};
+export const v1Listener = async () => {
+	const log = createLogger({ module: "logger", subModule: "Old logging app" });
+	const client = new Client({
+		connectionString: process.env.DATABASE_URL_V1,
+	});
+
+	await client.connect();
+
+	// the notify channel to listen for logs on
+	const channels = ["logs_channel", "users_channel", "orders_channel"];
+
+	for (const ch of channels) {
+		await client.query(`LISTEN ${ch}`);
+	}
+
+	console.log("Listening for:", channels.join(", "));
+
+	// create the log function to be able to mimic what is coming over
+	const logEvent = (newLog: string) => {
+		const newLogEvent: NewLog = JSON.parse(newLog);
+
+		switch (newLogEvent.level) {
+			case "info":
+				log.info(
+					{ username: newLogEvent.username, service: newLogEvent.service },
+					newLogEvent.message,
+				);
+				break;
+			case "error":
+				log.error(
+					{ username: newLogEvent.username, service: newLogEvent.service },
+					newLogEvent.message,
+				);
+				break;
+			default:
+				log.info(
+					{ username: newLogEvent.username, service: newLogEvent.service },
+					newLogEvent.message,
+				);
+		}
+	};
+	client.on("notification", (msg) => {
+		// msg.channel tells which channel it came from
+		// msg.payload is whatever message you sent from the trigger
+		switch (msg.channel) {
+			case "logs_channel":
+				logEvent(msg.payload || "");
+				break;
+			case "users_channel":
+				console.log("👤 User event:", msg.payload);
+				break;
+			case "orders_channel":
+				console.log("🛒 Order event:", msg.payload);
+				break;
+			default:
+				console.log("Other event:", msg);
+		}
+	});
+};