refactor(backend): File has too many classes

backend/src/exceptions/badRequestException.ts

@@ -0,0 +1,11 @@
+import { HttpException } from './httpException.js';
+
+/**
+ * Exception for HTTP 400 Bad Request
+ */
+
+export class BadRequestException extends HttpException {
+    constructor(message: string = 'Bad Request') {
+        super(400, message);
+    }
+}

backend/src/exceptions/forbiddenException.ts

@@ -0,0 +1,10 @@
+import { HttpException } from './httpException.js';
+
+/**
+ * Exception for HTTP 403 Forbidden
+ */
+export class ForbiddenException extends HttpException {
+    constructor(message: string = 'Forbidden') {
+        super(403, message);
+    }
+}

backend/src/exceptions/httpException.ts

@@ -0,0 +1,8 @@
+export class HttpException extends Error {
+    constructor(
+        public status: number,
+        message: string
+    ) {
+        super(message);
+    }
+}

backend/src/exceptions/notFoundException.ts

@@ -0,0 +1,10 @@
+import { HttpException } from './httpException.js';
+
+/**
+ * Exception for HTTP 404 Not Found
+ */
+export class NotFoundException extends HttpException {
+    constructor(message: string = 'Not Found') {
+        super(404, message);
+    }
+}

backend/src/exceptions/unauthorizedException.ts

@@ -0,0 +1,10 @@
+import { HttpException } from './httpException.js';
+
+/**
+ * Exception for HTTP 401 Unauthorized
+ */
+export class UnauthorizedException extends HttpException {
+    constructor(message: string = 'Unauthorized') {
+        super(401, message);
+    }
+}