minor fixes

backend/src/server.ts

@@ -1,14 +1,12 @@
 import cookieParser from "cookie-parser";
 import cors from "cors";
-import express, { NextFunction, Request, Response } from "express";
+import express from "express";
 import morgan from "morgan";
 import HTTPCodes from "simple-http-codes";
+import generalErrorHandlerMiddleware from "./routes/middleware/generalErrorHandler.middleware";
+import singleImageParser from "./routes/middleware/singleImageParser.middleware";
 import timeoutMiddleware from "./routes/middleware/timeout.middleware";
 import router from "./routes/router";
-import HttpError from "../../shared/types/HttpError/HttpError.type";
-import { inspect } from "node:util";
-import singleImageParser from "./routes/middleware/singleImageParser.middleware";
-import { MulterError } from "multer";
 
 const server = express();
 server.use(morgan("dev"));
@@ -18,14 +16,14 @@ server.use(
 	cors({
 		origin: "http://localhost:5173",
 		credentials: true,
-	})
+ 	})
 );
 
 server.use(cookieParser());
 server.use(singleImageParser);
 server.use(express.json());
-//====== ROUTES
 
+//====== ROUTES
 server.get("/health", (_, res) => {
 	res.status(HTTPCodes.ClientError.IM_A_TEAPOT).json({
 		data: "Server is running, but refused to brew coffee with a teapot",
@@ -34,45 +32,7 @@ server.get("/health", (_, res) => {
 
 server.use(router);
 
-//====== ERROR HANDLING
-
-server.use(
-	(error: Error, _req: Request, res: Response, _next: NextFunction) => {
-		if (error instanceof HttpError) {
-			error.log();
-			return res.status(error.statusCode).json({
-				...error,
-				data: inspect(error.message, { depth: null }),
-			});
-		}
-
-		if (error instanceof MulterError) {
-			console.error(inspect(error, { depth: null }));
-			if (error.code === "LIMIT_UNEXPECTED_FILE")
-				return res
-					.status(HTTPCodes.ClientError.BAD_REQUEST)
-					.json({ data: "Unsupported file" });
-			else if (error.code === "LIMIT_FILE_SIZE") {
-				return res
-					.status(HTTPCodes.ClientError.BAD_REQUEST)
-					.json({ data: "File too big" });
-			} else {
-				return res
-					.status(HTTPCodes.ClientError.BAD_REQUEST)
-					.json({ data: "Unsupported Request" });
-			}
-		}
-
-		console.error(error);
-
-		return res.status(500).json({
-			data: "Unexpected Server Error, please contact development team",
-			error,
-		});
-
-		_next(); //just so that eslint doesn't complain...its a very specific scenario, don't blame me
-	}
-);
+server.use(generalErrorHandlerMiddleware);
 
 server.use("*", (_, res) => {
 	res.status(HTTPCodes.ServerError.NOT_IMPLEMENTED).json({