From af2c452e648f0343b60e922757a162f39941653c Mon Sep 17 00:00:00 2001
From: sianida26 <chesakeselekkebo@gmail.com>
Date: Mon, 6 May 2024 22:10:59 +0700
Subject: [PATCH] Added error class

---
 apps/backend/src/errors/DashboardError.ts     | 44 +++++++++++++++++++
 apps/backend/src/index.ts                     | 24 +++++-----
 .../src/types/DashboardErrorParameter.d.ts    | 11 +++++
 3 files changed, 66 insertions(+), 13 deletions(-)
 create mode 100644 apps/backend/src/errors/DashboardError.ts
 create mode 100644 apps/backend/src/types/DashboardErrorParameter.d.ts

diff --git a/apps/backend/src/errors/DashboardError.ts b/apps/backend/src/errors/DashboardError.ts
new file mode 100644
index 0000000..a696a66
--- /dev/null
+++ b/apps/backend/src/errors/DashboardError.ts
@@ -0,0 +1,44 @@
+import { StatusCode } from "hono/utils/http-status";
+import DashboardErrorParameter from "../types/DashboardErrorParameter";
+
+class DashboardError extends Error {
+	public readonly errorCode: string;
+	public readonly statusCode: StatusCode = 500;
+	public readonly message: string;
+	public readonly formErrors?: Record<string, string>;
+	public readonly severity: "CRITICAL" | "HIGH" | "MEDIUM" | "LOW" =
+		"CRITICAL";
+
+	constructor(options: DashboardErrorParameter) {
+		super();
+
+		this.errorCode = options.errorCode;
+		this.statusCode = options.statusCode ?? this.statusCode;
+		this.message = options.message;
+		this.formErrors = options.formErrors;
+
+		Object.setPrototypeOf(this, new.target.prototype);
+	}
+}
+
+export const notFound = (options?: Partial<DashboardErrorParameter>) => {
+	throw new DashboardError({
+		errorCode: options?.errorCode ?? "NOT_FOUND",
+		message: options?.message ?? "The requested data is not found",
+		formErrors: options?.formErrors,
+		severity: options?.severity ?? "LOW",
+		statusCode: options?.statusCode ?? 404,
+	});
+};
+
+export const unauthorized = (options?: Partial<DashboardErrorParameter>) => {
+	throw new DashboardError({
+		errorCode: options?.errorCode ?? "UNAUTHORIZED",
+		message: options?.message ?? "Unauthorized",
+		formErrors: options?.formErrors,
+		severity: options?.severity ?? "LOW",
+		statusCode: options?.statusCode ?? 401,
+	});
+};
+
+export default DashboardError;
diff --git a/apps/backend/src/index.ts b/apps/backend/src/index.ts
index 1d1473a..23e9d5f 100644
--- a/apps/backend/src/index.ts
+++ b/apps/backend/src/index.ts
@@ -11,6 +11,7 @@ import { getSignedCookie } from "hono/cookie";
 import dashboardRoutes from "./routes/dashboard/routes";
 import rolesRoute from "./routes/roles/route";
 import { logger } from "hono/logger";
+import DashboardError from "./errors/DashboardError";
 
 configDotenv();
 
@@ -20,19 +21,6 @@ export type HonoVariables = {
 
 const app = new Hono<{ Variables: HonoVariables }>();
 
-// app.use(async (c, next) => {
-// 	const authHeader = c.req.header("Authorization");
-
-// 	if (authHeader && authHeader.startsWith("Bearer ")) {
-// 		const token = authHeader.substring(7);
-// 		const payload = await verifyAccessToken(token);
-
-// 		if (payload) c.set("uid", payload.uid);
-// 	}
-
-// 	await next();
-// });
-
 const routes = app
 	.use(logger())
 	.use(
@@ -91,6 +79,16 @@ const routes = app
 	.route("/dashboard", dashboardRoutes)
 	.route("/roles", rolesRoute)
 	.onError((err, c) => {
+		if (err instanceof DashboardError) {
+			return c.json(
+				{
+					message: err.message,
+					errorCode: err.errorCode,
+					formErrors: err.formErrors,
+				},
+				err.statusCode
+			);
+		}
 		if (err instanceof HTTPException) {
 			console.log(err);
 			return c.json(
diff --git a/apps/backend/src/types/DashboardErrorParameter.d.ts b/apps/backend/src/types/DashboardErrorParameter.d.ts
new file mode 100644
index 0000000..63d49f5
--- /dev/null
+++ b/apps/backend/src/types/DashboardErrorParameter.d.ts
@@ -0,0 +1,11 @@
+import { StatusCode } from "hono/utils/http-status";
+
+interface DashboardErrorParameter {
+	errorCode: string;
+	statusCode?: StatusCode;
+	message: string;
+	formErrors?: Record<string, string>;
+	severity?: "CRITICAL" | "HIGH" | "MEDIUM" | "LOW";
+}
+
+export default DashboardErrorParameter;