Added zValidator wrapper for returning default error response

apps/backend/src/routes/users/route.ts

@@ -10,6 +10,7 @@ import { hashPassword } from "../../utils/passwordUtils";
 import { rolesToUsers } from "../../drizzle/schema/rolesToUsers";
 import { rolesSchema } from "../../drizzle/schema/roles";
 import HonoEnv from "../../types/HonoEnv";
+import requestValidator from "../../utils/requestValidator";
 
 const userFormSchema = z.object({
 	name: z.string().min(1).max(255),
@@ -54,7 +55,7 @@ const usersRoute = new Hono<HonoEnv>()
 	})
 	.get(
 		"/",
-		zValidator(
+		requestValidator(
 			"query",
 			z.object({
 				includeTrashed: z.string().default("false"),
@@ -86,7 +87,7 @@ const usersRoute = new Hono<HonoEnv>()
 	//get user by id
 	.get(
 		"/:id",
-		zValidator(
+		requestValidator(
 			"query",
 			z.object({
 				includeTrashed: z.string().default("false"),
@@ -144,24 +145,7 @@ const usersRoute = new Hono<HonoEnv>()
 		}
 	)
 	//create user
-	.post(
+	.post("/", requestValidator("form", userFormSchema), async (c) => {
-		"/",
-		zValidator("form", userFormSchema, (result) => {
-			if (!result.success) {
-				let errors = result.error.flatten().fieldErrors as Record<
-					string,
-					string[]
-				>;
-				let firstErrors: Record<string, string> = {};
-				for (let field in errors) {
-					firstErrors[field] = errors[field][0]; // Grabbing the first error message for each field
-				}
-				throw new HTTPException(422, {
-					message: JSON.stringify(firstErrors),
-				});
-			}
-		}),
-		async (c) => {
 		const userData = c.req.valid("form");
 
 		const user = await db
@@ -195,28 +179,10 @@ const usersRoute = new Hono<HonoEnv>()
 			},
 			201
 		);
-		}
+	})
-	)
 
 	//update user
-	.patch(
+	.patch("/:id", requestValidator("form", userUpdateSchema), async (c) => {
-		"/:id",
-		zValidator("form", userUpdateSchema, (result) => {
-			if (!result.success) {
-				let errors = result.error.flatten().fieldErrors as Record<
-					string,
-					string[]
-				>;
-				let firstErrors: Record<string, string> = {};
-				for (let field in errors) {
-					firstErrors[field] = errors[field][0]; // Grabbing the first error message for each field
-				}
-				throw new HTTPException(422, {
-					message: JSON.stringify(firstErrors),
-				});
-			}
-		}),
-		async (c) => {
 		const userId = c.req.param("id");
 		const userData = c.req.valid("form");
 
@@ -242,13 +208,12 @@ const usersRoute = new Hono<HonoEnv>()
 		return c.json({
 			message: "User updated successfully",
 		});
-		}
+	})
-	)
 
 	//delete user
 	.delete(
 		"/:id",
-		zValidator(
+		requestValidator(
 			"form",
 			z.object({
 				skipTrash: z.string().default("false"),

apps/backend/src/utils/requestValidator.ts

@@ -0,0 +1,43 @@
+import { zValidator } from "@hono/zod-validator";
+import DashboardError from "../errors/DashboardError";
+
+type ValidatorParameters = Parameters<typeof zValidator>;
+
+/**
+ * Creates a request validator using the Zod schema.
+ * This middleware function is designed for use with the Hono framework to validate incoming requests.
+ * If the validation fails, it throws a `DashboardError` with detailed information about the validation errors.
+ *
+ * @param parameters - Parameters expected by `zValidator`. The first parameter is the Zod schema,
+ * the second is options for the Zod validator, and the third is a custom error handler.
+ * @returns A middleware function that validates the request against the provided schema.
+ */
+const requestValidator = (...parameters: ValidatorParameters) => {
+	return zValidator(
+		parameters[0],
+		parameters[1],
+		parameters[2] ??
+			((result) => {
+				if (!result.success) {
+					let errors = result.error.flatten().fieldErrors as Record<
+						string,
+						string[]
+					>;
+					let firstErrors: Record<string, string> = {};
+					for (let field in errors) {
+						firstErrors[field] = errors[field][0]; // Grabbing the first error message for each field
+					}
+					throw new DashboardError({
+						errorCode: "INVALID_FORM_DATA",
+						message:
+							"Validation failed. Please check your input and try again.",
+						formErrors: firstErrors,
+						severity: "LOW",
+						statusCode: 422,
+					});
+				}
+			})
+	);
+};
+
+export default requestValidator;